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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
commita175314c3e5827eb193872241446f2f8f5c9d33c (patch)
treecd3d60ca99ae00829c52a6ca79150a5b6e62528b /sql-bench/server-cfg.sh
parentInitial commit. (diff)
downloadmariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.tar.xz
mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.zip
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--sql-bench/server-cfg.sh3664
1 files changed, 3664 insertions, 0 deletions
diff --git a/sql-bench/server-cfg.sh b/sql-bench/server-cfg.sh
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+#!/usr/bin/env perl
+# -*- perl -*-
+# Copyright (c) 2000-2006 MySQL AB, 2009 Sun Microsystems, Inc.
+# Use is subject to license terms.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public
+# License as published by the Free Software Foundation; version 2
+# of the License.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library General Public
+# License along with this library; if not, write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+# MA 02110-1335 USA
+#
+# The configuration file for the DBI/DBD tests on different databases ....
+# You will need the DBD module for the database you are running.
+# Monty made this bench script and I (Luuk de Boer) rewrote it to DBI/DBD.
+# Monty rewrote this again to use packages.
+#
+# Each database has a different package that has 3 functions:
+# new Creates a object with some standard slot
+# version Version number of the server
+# create Generates commands to create a table
+#
+
+#
+# First some global functions that help use the packages:
+#
+
+sub get_server
+{
+ my ($name,$host,$database,$odbc,$machine,$socket,$connect_options)=@_;
+ my ($server);
+ if ($name =~ /mysql/i)
+ { $server=new db_MySQL($host, $database, $machine, $socket,$connect_options); }
+ elsif ($name =~ /pg/i)
+ { $server= new db_Pg($host,$database); }
+ elsif ($name =~ /msql/i)
+ { $server= new db_mSQL($host,$database); }
+ elsif ($name =~ /solid/i)
+ { $server= new db_Solid($host,$database); }
+ elsif ($name =~ /Empress/i)
+ { $server= new db_Empress($host,$database); }
+ elsif ($name =~ /FrontBase/i)
+ { $server= new db_FrontBase($host,$database); }
+ elsif ($name =~ /Oracle/i)
+ { $server= new db_Oracle($host,$database); }
+ elsif ($name =~ /Access/i)
+ { $server= new db_access($host,$database); }
+ elsif ($name =~ /Informix/i)
+ { $server= new db_Informix($host,$database); }
+ elsif ($name =~ /ms-sql/i)
+ { $server= new db_ms_sql($host,$database); }
+ elsif ($name =~ /sybase/i)
+ { $server= new db_sybase($host,$database); }
+ elsif ($name =~ /Adabas/i) # Adabas has two drivers
+ {
+ $server= new db_Adabas($host,$database);
+ if ($name =~ /AdabasD/i)
+ {
+ $server->{'data_source'} =~ s/:Adabas:/:AdabasD:/;
+ }
+ }
+ elsif ($name =~ /DB2/i)
+ { $server= new db_db2($host,$database); }
+ elsif ($name =~ /Mimer/i)
+ { $server= new db_Mimer($host,$database); }
+ elsif ($name =~ /Sapdb/i)
+ { $server= new db_sapdb($host,$database); }
+ elsif ($name =~ /interBase/i)
+ { $server= new db_interbase($host,$database); }
+ else
+ {
+ die "Unknown sql server name used: $name\nUse one of: Access, Adabas, AdabasD, Empress, FrontBase, Oracle, Informix, InterBase, DB2, mSQL, Mimer, MS-SQL, MySQL, Pg, Solid, SAPDB or Sybase.\nIf the connection is done trough ODBC the name must end with _ODBC\n";
+ }
+ if ($name =~ /_ODBC$/i || defined($odbc) && $odbc)
+ {
+ if (! ($server->{'data_source'} =~ /^([^:]*):([^:]+):([^:]*)/ ))
+ {
+ die "Can't find databasename in data_source: '" .
+ $server->{'data_source'}. "'\n";
+ }
+ if ($3) {
+ $server->{'data_source'} = "$1:ODBC:$3";
+ } else {
+ $server->{'data_source'} = "$1:ODBC:$database";
+ }
+ }
+ return $server;
+}
+
+sub all_servers
+{
+ return ["Access", "Adabas", "DB2", "Empress", "FrontBase", "Oracle",
+ "Informix", "InterBase", "Mimer", "mSQL", "MS-SQL", "MySQL", "Pg","SAPDB",
+ "Solid", "Sybase"];
+}
+
+#############################################################################
+# First the configuration for MySQL off course :-)
+#############################################################################
+
+package db_MySQL;
+
+sub new
+{
+ my ($type,$host,$database,$machine,$socket,$connect_options)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "mysql";
+ $self->{'data_source'} = "DBI:MariaDB:database=$database;host=$host";
+ $self->{'data_source'} .= ";mariadb_socket=$socket" if($socket);
+ $self->{'data_source'} .= ";$connect_options" if($connect_options);
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "blob";
+ $self->{'text'} = "text";
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'vacuum'} = 1; # When using with --fast
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 0; # Transactions disabled by default
+
+ $limits{'NEG'} = 1; # Supports -id
+ $limits{'alter_add_multi_col'}= 1; #Have ALTER TABLE t add a int,add b int;
+ $limits{'alter_table'} = 1; # Have ALTER TABLE
+ $limits{'alter_table_dropcol'}= 1; # Have ALTER TABLE DROP column
+ $limits{'alter_table_after'}= 1; # Have ALTER TABLE .. AFTER other_column
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'func_extra_%'} = 1; # Has % as alias for mod()
+ $limits{'func_extra_if'} = 1; # Have function if.
+ $limits{'func_extra_in_num'} = 1; # Has function in
+ $limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
+ $limits{'func_odbc_mod'} = 1; # Have function mod.
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_by_position'} = 1; # Can use 'GROUP BY 1'
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'group_func_extra_std'} = 1; # Have group function std().
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'having_with_alias'} = 1; # Can use aliases in HAVING
+ $limits{'having_with_group'} = 1; # Can use group functions in HAVING
+ $limits{'insert_multi_value'} = 1; # Have INSERT ... values (1,2),(3,4)
+ $limits{'insert_select'} = 1;
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'left_outer_join'} = 1; # Supports left outer joins
+ $limits{'like_with_column'} = 1; # Can use column1 LIKE column2
+ $limits{'limit'} = 1; # supports the limit attribute
+ $limits{'truncate_table'} = 1;
+ $limits{'load_data_infile'} = 1; # Has load data infile
+ $limits{'lock_tables'} = 1; # Has lock tables
+ $limits{'max_column_name'} = 64; # max table and column name
+ $limits{'max_columns'} = 2000; # Max number of columns in table
+ $limits{'max_conditions'} = 9999; # (Actually not a limit)
+ $limits{'max_index'} = 16; # Max number of keys
+ $limits{'max_index_parts'} = 16; # Max segments/key
+ $limits{'max_tables'} = (($machine || '') =~ "^win") ? 5000 : 65000;
+ $limits{'max_temporary_tables'}= 400;
+ $limits{'max_text_size'} = 1000000; # Good enough for tests
+ $limits{'multi_drop'} = 1; # Drop table can take many tables
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'order_by_unused'} = 1;
+ $limits{'query_size'} = 1000000; # Max size with default buffers.
+ $limits{'select_without_from'}= 1; # Can do 'select 1';
+ $limits{'subqueries'} = 0; # Doesn't support sub-queries.
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'working_all_fields'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+
+ # Some fixes that depends on the environment
+ if (defined($main::opt_create_options) &&
+ $main::opt_create_options =~ /engine=heap/i)
+ {
+ $limits{'working_blobs'} = 0; # HEAP tables can't handle BLOB's
+ }
+ # HEAP is deprecated in favor of MEMORY
+ if (defined($main::opt_create_options) &&
+ $main::opt_create_options =~ /engine=memory/i)
+ {
+ $limits{'working_blobs'} = 0; # MEMORY tables can't handle BLOB's
+ }
+ if (defined($main::opt_create_options) &&
+ $main::opt_create_options =~ /engine=innodb/i)
+ {
+ $self->{'transactions'} = 1; # Transactions enabled
+ }
+ if (defined($main::opt_create_options) &&
+ $main::opt_create_options =~ /engine=bdb/i)
+ {
+ $self->{'transactions'} = 1; # Transactions enabled
+ }
+ if (defined($main::opt_create_options) &&
+ $main::opt_create_options =~ /engine=gemini/i)
+ {
+ $limits{'working_blobs'} = 0; # Blobs not implemented yet
+ $limits{'max_tables'} = 500;
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+ $self->{'transactions'} = 1; # Transactions enabled
+ }
+ if (defined($main::opt_create_options) &&
+ $main::opt_create_options =~ /engine=tokudb/i)
+ {
+ $self->{'transactions'} = 1; # Transactions enabled
+ }
+
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my ($dbh,$sth,$version,@row);
+
+ $dbh=$self->connect();
+ $sth = $dbh->prepare("select VERSION()") or die $DBI::errstr;
+ $version="MySQL 3.20.?";
+ if ($sth->execute && (@row = $sth->fetchrow_array))
+ {
+ $row[0] =~ s/-/ /g; # To get better tables with long names
+ $version="MySQL $row[0]";
+ }
+ $sth->finish;
+
+ $sth = $dbh->prepare("show status like 'ssl_version'") or die $DBI::errstr;
+ if ($sth->execute && (@row = $sth->fetchrow_array) && $row[1])
+ {
+ $version .= "/$row[1]";
+ }
+ $sth->finish;
+ $dbh->disconnect;
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+#
+# Connection with optional disabling of logging
+#
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+
+ $dbh->do("SET OPTION LOG_OFF=1,UPDATE_LOG=0");
+ if ($main::opt_connect_command ne "")
+ {
+ $dbh->do($main::opt_connect_command) or
+ die "Can't execute connect_command: $main::opt_connect_command error: $DBI::errstr\n";
+ }
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+# If one uses $main::opt_fast then one is allowed to use
+# non standard types to get better speed.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index,$options) = @_;
+ my($query,@queries);
+
+ if ($main::opt_temporary_tables)
+ {
+ $query="create temporary table $table_name (";
+ }
+ else
+ {
+ $query="create table $table_name (";
+ }
+ foreach $field (@$fields)
+ {
+# $field =~ s/ decimal/ double(10,2)/i;
+ $field =~ s/ big_decimal/ double(10,2)/i;
+ $query.= $field . ',';
+ }
+ foreach $index (@$index)
+ {
+ $query.= $index . ',';
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ $query.=" $options" if (defined($options));
+ $query.=" $main::opt_create_options" if (defined($main::opt_create_options));
+ push(@queries,$query);
+ return @queries;
+}
+
+sub insert_file {
+ my ($self,$dbname, $file, $dbh) = @_;
+ my ($command, $sth);
+
+ $file =~ s|\\|/|g; # Change Win32 names to Unix syntax
+ $command = "load data infile '$file' into table $dbname columns optionally enclosed by '\\'' terminated by ','";
+# print "$command\n";
+ $sth = $dbh->do($command) or die $DBI::errstr;
+ return $sth; # Contains number of rows
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index {
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index ON $table";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 0;
+}
+
+#
+# This should return 1 if we to do disconnect / connect when doing
+# big batches
+#
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+#
+# reconnect on errors (needed mainly be crash-me)
+#
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+#
+# Optimize tables for better performance
+#
+
+sub vacuum
+{
+ my ($self,$full_vacuum,$dbh_ref,@tables)=@_;
+ my ($loop_time,$end_time,$dbh);
+ if ($#tables >= 0)
+ {
+ $dbh=$$dbh_ref;
+ $loop_time=new Benchmark;
+ $dbh->do("OPTIMIZE TABLE " . join(',',@tables)) || die "Got error: $DBI::errstr when executing 'OPTIMIZE TABLE'\n";
+ $end_time=new Benchmark;
+ print "Time for book-keeping (1): " .
+ Benchmark::timestr(Benchmark::timediff($end_time, $loop_time),"all") . "\n\n";
+ }
+}
+
+#############################################################################
+# Definitions for mSQL
+#############################################################################
+
+package db_mSQL;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "msql";
+ $self->{'data_source'} = "DBI:mSQL:$database:$host";
+ $self->{'limits'} = \%limits;
+ $self->{'double_quotes'} = 0;
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 0; # No transactions
+ $self->{'blob'} = "text(" . $limits{'max_text_size'} .")";
+ $self->{'text'} = "text(" . $limits{'max_text_size'} .")";
+
+ $limits{'max_conditions'} = 74;
+ $limits{'max_columns'} = 75;
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+ $limits{'max_text_size'} = 32000;
+ $limits{'query_size'} = 65535;
+ $limits{'max_index'} = 5;
+ $limits{'max_index_parts'} = 10;
+ $limits{'max_column_name'} = 35;
+
+ $limits{'join_optimizer'} = 0; # Can't optimize FROM tables
+ $limits{'load_data_infile'} = 0;
+ $limits{'lock_tables'} = 0;
+ $limits{'functions'} = 0;
+ $limits{'group_functions'} = 0;
+ $limits{'group_distinct_functions'}= 0; # Have count(distinct)
+ $limits{'multi_drop'} = 0;
+ $limits{'select_without_from'}= 0;
+ $limits{'subqueries'} = 0;
+ $limits{'left_outer_join'} = 0;
+ $limits{'table_wildcard'} = 0;
+ $limits{'having_with_alias'} = 0;
+ $limits{'having_with_group'} = 0;
+ $limits{'like_with_column'} = 1;
+ $limits{'order_by_position'} = 1;
+ $limits{'group_by_position'} = 1;
+ $limits{'alter_table'} = 0;
+ $limits{'alter_add_multi_col'}= 0;
+ $limits{'alter_table_dropcol'}= 0;
+ $limits{'group_func_extra_std'} = 0;
+ $limits{'limit'} = 1; # supports the limit attribute
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 0;
+
+ $limits{'func_odbc_mod'} = 0;
+ $limits{'func_extra_%'} = 0;
+ $limits{'func_odbc_floor'} = 0;
+ $limits{'func_extra_if'} = 0;
+ $limits{'column_alias'} = 0;
+ $limits{'NEG'} = 0;
+ $limits{'func_extra_in_num'} = 0;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($tmp,$dir);
+ foreach $dir ("/usr/local/Hughes", "/usr/local/mSQL","/my/local/mSQL",
+ "/usr/local")
+ {
+ if (-x "$dir/bin/msqladmin")
+ {
+ $tmp=`$dir/bin/msqladmin version | grep server`;
+ if ($tmp =~ /^\s*(.*\w)\s*$/)
+ { # Strip pre- and endspace
+ $tmp=$1;
+ $tmp =~ s/\s+/ /g; # Remove unnecessary spaces
+ $tmp .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+
+ return $tmp;
+ }
+ }
+ }
+ return "mSQL version ???";
+}
+
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+#
+# Can't handle many field types, so we map everything to int and real.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$name,$nr);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/varchar/char/i; # mSQL doesn't have VARCHAR()
+ # mSQL can't handle more than the real basic int types
+ $field =~ s/tinyint|smallint|mediumint|integer/int/i;
+ # mSQL can't handle different visual lengths
+ $field =~ s/int\(\d*\)/int/i;
+ # mSQL doesn't have float, change it to real
+ $field =~ s/float(\(\d*,\d*\)){0,1}/real/i;
+ $field =~ s/double(\(\d*,\d*\)){0,1}/real/i;
+ # mSQL doesn't have blob, it has text instead
+ if ($field =~ / blob/i)
+ {
+ $name=$self->{'blob'};
+ $field =~ s/ blob/ $name/;
+ }
+ $query.= $field . ',';
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query);
+ $nr=0;
+
+ # Prepend table_name to index name because the the name may clash with
+ # a field name. (Should be diffent name space, but this is mSQL...)
+
+ foreach $index (@$index)
+ {
+ # Primary key is unique index in mSQL
+ $index =~ s/primary key/unique index primary/i;
+ if ($index =~ /^unique\s*\(([^\(]*)\)$/i)
+ {
+ $nr++;
+ push(@queries,"create unique index ${table_name}_$nr on $table_name ($1)");
+ }
+ else
+ {
+ if (!($index =~ /^(.*index)\s+(\w*)\s+(\(.*\))$/i))
+ {
+ die "Can't parse index information in '$index'\n";
+ }
+ push(@queries,"create $1 ${table_name}_$2 on $table_name $3");
+ }
+ }
+ return @queries;
+}
+
+
+sub insert_file {
+ my($self,$dbname, $file) = @_;
+ print "insert an ascii file isn't supported by mSQL\n";
+ return 0;
+}
+
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index FROM $table";
+}
+
+sub abort_if_fatal_error
+{
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+#############################################################################
+# Definitions for PostgreSQL #
+#############################################################################
+
+package db_Pg;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "pg";
+ $self->{'data_source'} = "DBI:Pg:dbname=$database";
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "text";
+ $self->{'text'} = "text";
+ $self->{'double_quotes'} = 1;
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+ $self->{"vacuum"} = 1;
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'load_data_infile'} = 0;
+
+ $limits{'NEG'} = 1;
+ $limits{'alter_add_multi_col'}= 0; # alter_add_multi_col ?
+ $limits{'alter_table'} = 1;
+ $limits{'alter_table_dropcol'}= 0;
+ $limits{'column_alias'} = 1;
+ $limits{'func_extra_%'} = 1;
+ $limits{'func_extra_if'} = 0;
+ $limits{'func_extra_in_num'} = 1;
+ $limits{'func_odbc_floor'} = 1;
+ $limits{'func_odbc_mod'} = 1; # Has %
+ $limits{'functions'} = 1;
+ $limits{'group_by_position'} = 1;
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'group_func_extra_std'} = 0;
+ $limits{'group_func_sql_min_str'}= 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_functions'} = 1;
+ $limits{'having_with_alias'} = 0;
+ $limits{'having_with_group'} = 1;
+ $limits{'insert_select'} = 1;
+ $limits{'left_outer_join'} = 1;
+ $limits{'like_with_column'} = 1;
+ $limits{'lock_tables'} = 0; # in ATIS gives this a problem
+ $limits{'max_column_name'} = 128;
+ $limits{'max_columns'} = 1000; # 500 crashes pg 6.3
+ $limits{'max_conditions'} = 9999; # This makes Pg real slow
+ $limits{'max_index'} = 64; # Big enough
+ $limits{'max_index_parts'} = 16;
+ $limits{'max_tables'} = 65000;
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+
+ $limits{'max_text_size'} = 65000; # Good enough for test
+ $limits{'multi_drop'} = 1;
+ $limits{'order_by_position'} = 1;
+ $limits{'order_by_unused'} = 1;
+ $limits{'query_size'} = 16777216;
+ $limits{'select_without_from'}= 1;
+ $limits{'subqueries'} = 1;
+ $limits{'table_wildcard'} = 1;
+ $limits{'truncate_table'} = 1;
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'working_all_fields'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+
+ return $self;
+}
+
+# couldn't find the option to get the version number
+
+sub version
+{
+ my ($version,$dir);
+ $version = "PostgreSQL version ???";
+ foreach $dir ($ENV{'PGDATA'},"/usr/local/pgsql/data", "/usr/local/pg/data")
+ {
+ if ($dir && -e "$dir/PG_VERSION")
+ {
+ $version= `cat $dir/PG_VERSION`;
+ if ($? == 0)
+ {
+ chomp($version);
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return "PostgreSQL $version";
+ }
+ }
+ }
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$name,$in,$indfield,$table,$nr);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ if ($main::opt_fast)
+ {
+ # Allow use of char2, char4, char8 or char16
+ $field =~ s/char(2|4|8|16)/char$1/;
+ }
+ # Pg can't handle more than the real basic int types
+ $field =~ s/tinyint|smallint|mediumint|integer/int/;
+ # Pg can't handle different visual lengths
+ $field =~ s/int\(\d*\)/int/;
+ $field =~ s/float\(\d*,\d*\)/float/;
+ $field =~ s/ double/ float/;
+# $field =~ s/ decimal/ float/i;
+# $field =~ s/ big_decimal/ float/i;
+# $field =~ s/ date/ int/i;
+ # Pg doesn't have blob, it has text instead
+ $field =~ s/ blob/ text/;
+ $query.= $field . ',';
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query);
+ foreach $index (@$index)
+ {
+ $index =~ s/primary key/unique index primary_key/i;
+ if ($index =~ /^unique.*\(([^\(]*)\)$/i)
+ {
+ # original: $indfield="using btree (" .$1.")";
+ # using btree doesnīt seem to work with Postgres anymore; it creates
+ # the table and adds the index, but it isnīt unique
+ $indfield=" (" .$1.")";
+ $in="unique index";
+ $table="index_$nr"; $nr++;
+ }
+ elsif ($index =~ /^(.*index)\s+(\w*)\s+(\(.*\))$/i)
+ {
+ # original: $indfield="using btree (" .$1.")";
+ $indfield=" " .$3;
+ $in="index";
+ $table="index_$nr"; $nr++;
+ }
+ else
+ {
+ die "Can't parse index information in '$index'\n";
+ }
+ push(@queries,"create $in ${table_name}_$table on $table_name $indfield");
+ }
+ $queries[0]=$query;
+ return @queries;
+}
+
+sub insert_file {
+ my ($self,$dbname, $file, $dbh) = @_;
+ my ($command, $sth);
+
+# Syntax:
+# copy [binary] <class_name> [with oids]
+# {to|from} {<filename>|stdin|stdout} [using delimiters <delim>]
+ print "The ascii files aren't correct for postgres ....!!!\n";
+ $command = "copy $dbname from '$file' using delimiters ','";
+ print "$command\n";
+ $sth = $dbh->do($command) or die $DBI::errstr;
+ return $sth;
+}
+
+#
+# As postgreSQL wants A % B instead of standard mod(A,B) we have to map
+# This will not handle all cases, but as the benchmarks doesn't use functions
+# inside MOD() the following should work
+#
+# PostgreSQL cant handle count(*) or even count(1), but it can handle
+# count(1+1) sometimes. ==> this is solved in PostgreSQL 6.3
+#
+# PostgreSQL 6.5 is supporting MOD.
+
+sub query {
+ my($self,$sql) = @_;
+ my(@select,$change);
+# if you use PostgreSQL 6.x and x is lower as 5 then uncomment the line below.
+# $sql =~ s/mod\(([^,]*),([^\)]*)\)/\($1 % $2\)/gi;
+#
+# if you use PostgreSQL 6.1.x uncomment the lines below
+# if ($sql =~ /select\s+count\(\*\)\s+from/i) {
+# }
+# elsif ($sql =~ /count\(\*\)/i)
+# {
+# if ($sql =~ /select\s+(.*)\s+from/i)
+# {
+# @select = split(/,/,$1);
+# if ($select[0] =~ /(.*)\s+as\s+\w+$/i)
+# {
+# $change = $1;
+# }
+# else
+# {
+# $change = $select[0];
+# }
+# }
+# if (($change =~ /count/i) || ($change eq "")) {
+# $change = "1+1";
+# }
+# $sql =~ s/count\(\*\)/count($change)/gi;
+# }
+# till here.
+ return $sql;
+}
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index";
+}
+
+sub abort_if_fatal_error
+{
+ return 1 if ($DBI::errstr =~ /sent to backend, but backend closed/i);
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+sub vacuum
+{
+ my ($self,$full_vacuum,$dbh_ref,@tables)=@_;
+ my ($loop_time,$end_time,$dbh,$table);
+ if (defined($full_vacuum))
+ {
+ $$dbh_ref->disconnect; $$dbh_ref= $self->connect();
+ }
+ $dbh=$$dbh_ref;
+ $loop_time=new Benchmark;
+ if ($#tables >= 0)
+ {
+ foreach $table (@tables)
+ {
+ $dbh->do("vacuum analyze $table") || die "Got error: $DBI::errstr when executing 'vacuum analyze $table'\n";
+ $dbh->do("vacuum $table") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
+ }
+ }
+ else
+ {
+# $dbh->do("vacuum pg_attributes") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
+# $dbh->do("vacuum pg_index") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
+ $dbh->do("vacuum analyze") || die "Got error: $DBI::errstr when executing 'vacuum analyze'\n";
+ $dbh->do("vacuum") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
+ }
+ $end_time=new Benchmark;
+ print "Time for book-keeping (1): " .
+ Benchmark::timestr(Benchmark::timediff($end_time, $loop_time),"all") . "\n\n";
+ $dbh->disconnect; $$dbh_ref= $self->connect();
+}
+
+
+#############################################################################
+# Definitions for Solid
+#############################################################################
+
+package db_Solid;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "solid";
+ $self->{'data_source'} = "DBI:Solid:";
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "long varchar";
+ $self->{'text'} = "long varchar";
+ $self->{'double_quotes'} = 1;
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+
+ $limits{'max_conditions'} = 9999; # Probably big enough
+ $limits{'max_columns'} = 2000; # From crash-me
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+
+ $limits{'max_text_size'} = 65492; # According to tests
+ $limits{'query_size'} = 65535; # Probably a limit
+ $limits{'max_index'} = 64; # Probably big enough
+ $limits{'max_index_parts'} = 64;
+ $limits{'max_column_name'} = 80;
+
+ $limits{'join_optimizer'} = 1;
+ $limits{'load_data_infile'} = 0;
+ $limits{'lock_tables'} = 0;
+ $limits{'functions'} = 1;
+ $limits{'group_functions'} = 1;
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'select_without_from'}= 0; # Can do 'select 1' ?;
+ $limits{'multi_drop'} = 0;
+ $limits{'subqueries'} = 1;
+ $limits{'left_outer_join'} = 1;
+ $limits{'table_wildcard'} = 1;
+ $limits{'having_with_alias'} = 0;
+ $limits{'having_with_group'} = 1;
+ $limits{'like_with_column'} = 1;
+ $limits{'order_by_position'} = 0; # 2.30.0018 can this
+ $limits{'group_by_position'} = 0;
+ $limits{'alter_table'} = 1;
+ $limits{'alter_add_multi_col'}= 0;
+ $limits{'alter_table_dropcol'}= 0;
+
+ $limits{'group_func_extra_std'} = 0; # Have group function std().
+
+ $limits{'func_odbc_mod'} = 1;
+ $limits{'func_extra_%'} = 0;
+ $limits{'func_odbc_floor'} = 1;
+ $limits{'column_alias'} = 1;
+ $limits{'NEG'} = 1;
+ $limits{'func_extra_in_num'} = 1;
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($version,$dir);
+ $version="Solid version ??";
+ foreach $dir ($ENV{'SOLIDDIR'},"/usr/local/solid", "/my/local/solid")
+ {
+ if ($dir && -e "$dir/bin/solcon")
+ {
+ $version=`$dir/bin/solcon -e"ver" $main::opt_user $main::opt_password | grep Server | sed q`;
+ if ($? == 0)
+ {
+ chomp($version);
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+ }
+ }
+ }
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$nr);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/mediumint/integer/i;
+ $field =~ s/ double/ float/i;
+ # Solid doesn't have blob, it has long varchar
+ $field =~ s/ blob/ long varchar/;
+# $field =~ s/ decimal/ float/i;
+# $field =~ s/ big_decimal/ float/i;
+# $field =~ s/ date/ int/i;
+ $query.= $field . ',';
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query);
+ $nr=0;
+ foreach $index (@$index)
+ {
+ if ($index =~ /^primary key/i || $index =~ /^unique/i)
+ { # Add to create statement
+ substr($queries[0],-1,0)="," . $index;
+ }
+ else
+ {
+ $index =~ /^(.*)\s+(\(.*\))$/;
+ push(@queries,"create ${1}$nr on $table_name $2");
+ $nr++;
+ }
+ }
+ return @queries;
+}
+
+# there is no sql statement in solid which can do the load from
+# an ascii file in the db ... but there is the speedloader program
+# an external program which can load the ascii file in the db ...
+# the server must be down before using speedloader !!!!
+# (in the standalone version)
+# it works also with a control file ... that one must be made ....
+sub insert_file {
+ my ($self, $dbname, $file) = @_;
+ my ($speedcmd);
+ $speedcmd = '/usr/local/solid/bin/solload';
+ print "At this moment not supported - solid server must go down \n";
+ return 0;
+}
+
+# solid can't handle an alias in a having statement so
+# select test as foo from tmp group by foo having foor > 2
+# becomes
+# select test as foo from tmp group by foo having test > 2
+#
+sub query {
+ my($self,$sql) = @_;
+ my(@select,$tmp,$newhaving,$key,%change);
+
+ if ($sql =~ /having\s+/i)
+ {
+ if ($sql =~ /select (.*) from/i)
+ {
+ (@select) = split(/,\s*/, $1);
+ foreach $tmp (@select)
+ {
+ if ($tmp =~ /(.*)\s+as\s+(\w+)/)
+ {
+ $change{$2} = $1;
+ }
+ }
+ }
+ if ($sql =~ /having\s+(\w+)/i)
+ {
+ $newhaving = $1;
+ foreach $key (sort {$a cmp $b} keys %change)
+ {
+ if ($newhaving eq $key)
+ {
+ $newhaving =~ s/$key/$change{$key}/g;
+ }
+ }
+ }
+ $sql =~ s/(having)\s+(\w+)/$1 $newhaving/i;
+ }
+ return $sql;
+}
+
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index";
+}
+
+sub abort_if_fatal_error
+{
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+#############################################################################
+# Definitions for Empress
+#
+# at this moment DBI:Empress can only handle 200 prepare statements ...
+# so Empress can't be tested with the benchmark test :(
+#############################################################################
+
+package db_Empress;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "empress";
+ $self->{'data_source'} = "DBI:EmpressNet:SERVER=$host;Database=/usr/local/empress/rdbms/bin/$database";
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "text";
+ $self->{'text'} = "text";
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+
+ $limits{'max_conditions'} = 1258;
+ $limits{'max_columns'} = 226; # server is disconnecting????
+ # above this value .... but can handle 2419 columns
+ # maybe something for crash-me ... but how to check ???
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+ $limits{'max_text_size'} = 4095; # max returned ....
+ $limits{'query_size'} = 65535; # Not a limit, big enough
+ $limits{'max_index'} = 64; # Big enough
+ $limits{'max_index_parts'} = 64; # Big enough
+ $limits{'max_column_name'} = 31;
+
+ $limits{'join_optimizer'} = 1;
+ $limits{'load_data_infile'} = 0;
+ $limits{'lock_tables'} = 1;
+ $limits{'functions'} = 1;
+ $limits{'group_functions'} = 1;
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'select_without_from'}= 0;
+ $limits{'multi_drop'} = 0;
+ $limits{'subqueries'} = 1;
+ $limits{'table_wildcard'} = 0;
+ $limits{'having_with_alias'} = 0; # AS isn't supported in a select
+ $limits{'having_with_group'} = 1;
+ $limits{'like_with_column'} = 1;
+ $limits{'order_by_position'} = 1;
+ $limits{'group_by_position'} = 0;
+ $limits{'alter_table'} = 1;
+ $limits{'alter_add_multi_col'}= 0;
+ $limits{'alter_table_dropcol'}= 0;
+
+ $limits{'group_func_extra_std'}= 0; # Have group function std().
+
+ $limits{'func_odbc_mod'} = 0;
+ $limits{'func_extra_%'} = 1;
+ $limits{'func_odbc_floor'} = 1;
+ $limits{'func_extra_if'} = 0;
+ $limits{'column_alias'} = 0;
+ $limits{'NEG'} = 1;
+ $limits{'func_extra_in_num'} = 0;
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self,$dbh)=@_;
+ my ($version);
+ $version="";
+ if (-x "/usr/local/empress/rdbms/bin/empvers")
+ {
+ $version=`/usr/local/empress/rdbms/bin/empvers | grep Version`;
+ }
+ if ($version)
+ {
+ chomp($version);
+ }
+ else
+ {
+ $version="Empress version ???";
+ }
+
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+sub insert_file {
+ my($self,$dbname, $file) = @_;
+ my($command,$sth);
+ $command = "insert into $dbname from '$file'";
+ print "$command\n" if ($opt_debug);
+ $sth = $dbh->do($command) or die $DBI::errstr;
+
+ return $sth;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$nr);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/mediumint/int/i;
+ $field =~ s/tinyint/int/i;
+ $field =~ s/smallint/int/i;
+ $field =~ s/longint/int/i;
+ $field =~ s/integer/int/i;
+ $field =~ s/ double/ longfloat/i;
+ # Solid doesn't have blob, it has long varchar
+# $field =~ s/ blob/ text(65535,65535,65535,65535)/;
+ $field =~ s/ blob/ text/;
+ $field =~ s/ varchar\((\d+)\)/ char($1,3)/;
+ $field =~ s/ char\((\d+)\)/ char($1,3)/;
+# $field =~ s/ decimal/ float/i;
+# $field =~ s/ big_decimal/ longfloat/i;
+# $field =~ s/ date/ int/i;
+ $field =~ s/ float(.*)/ float/i;
+ if ($field =~ / int\((\d+)\)/) {
+ if ($1 > 4) {
+ $field =~ s/ int\(\d+\)/ longinteger/i;
+ } else {
+ $field =~ s/ int\(\d+\)/ longinteger/i;
+ }
+ } else {
+ $field =~ s/ int/ longinteger/i;
+ }
+ $query.= $field . ',';
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query);
+ $nr=1;
+ foreach $index (@$index)
+ {
+ # Primary key is unique index in Empress
+ $index =~ s/primary key/unique index/i;
+ if ($index =~ /^unique.*\(([^\(]*)\)$/i)
+ {
+ $nr++;
+ push(@queries,"create unique index ${table_name}_$nr on $table_name ($1)");
+ }
+ else
+ {
+ if (!($index =~ /^(.*index)\s+(\w*)\s+(\(.*\))$/i))
+ {
+ die "Can't parse index information in '$index'\n";
+ }
+ push(@queries,"create $1 ${table_name}_$2 on $table_name $3");
+ }
+ }
+ return @queries;
+}
+
+# empress can't handle an alias and but can handle the number of the
+# columname - so
+# select test as foo from tmp order by foo
+# becomes
+# select test from tmp order by 1
+#
+sub query {
+ my($self,$sql) = @_;
+ my(@select,$i,$tmp,$newselect,$neworder,@order,$key,%change);
+ my($tmp1,$otmp,$tmp2);
+
+ if ($sql =~ /\s+as\s+/i)
+ {
+ if ($sql =~ /select\s+(.*)\s+from/i) {
+ $newselect = $1;
+ (@select) = split(/,\s*/, $1);
+ $i = 1;
+ foreach $tmp (@select) {
+ if ($tmp =~ /\s+as\s+(\w+)/) {
+ $change{$1} = $i;
+ }
+ $i++;
+ }
+ }
+ $newselect =~ s/\s+as\s+(\w+)//gi;
+ $tmp2 = 0;
+ if ($sql =~ /order\s+by\s+(.*)$/i) {
+ (@order) = split(/,\s*/, $1);
+ foreach $otmp (@order) {
+ foreach $key (sort {$a cmp $b} keys %change) {
+ if ($otmp eq $key) {
+ $neworder .= "$tmp1"."$change{$key}";
+ $tmp1 = ", ";
+ $tmp2 = 1;
+ } elsif ($otmp =~ /(\w+)\s+(.+)$/) {
+ if ($key eq $1) {
+ $neworder .= "$tmp1"."$change{$key} $2";
+ $tmp2 = 1;
+ }
+ }
+ }
+ if ($tmp2 == 0) {
+ $neworder .= "$tmp1"."$otmp";
+ }
+ $tmp2 = 0;
+ $tmp1 = ", ";
+ }
+ }
+ $sql =~ s/(select)\s+(.*)\s+(from)/$1 $newselect $3/i;
+ $sql =~ s/(order\s+by)\s+(.*)$/$1 $neworder/i;
+ }
+ return $sql;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ $cmd =~ s/\'\'/\' \'/g;
+ return $cmd;
+}
+
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index";
+}
+
+# This is a because of the 200 statement problem with DBI-Empress
+
+sub abort_if_fatal_error
+{
+ if ($DBI::errstr =~ /Overflow of table of prepared statements/i)
+ {
+ print "Overflow of prepared statements ... killing the process\n";
+ exit 1;
+ }
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+#############################################################################
+# Definitions for Oracle
+#############################################################################
+
+package db_Oracle;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "Oracle";
+ $self->{'data_source'} = "DBI:Oracle:$database";
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "long";
+ $self->{'text'} = "long";
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+ $self->{"vacuum"} = 1;
+
+ $limits{'max_conditions'} = 9999; # (Actually not a limit)
+ $limits{'max_columns'} = 254; # Max number of columns in table
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+
+ $limits{'max_text_size'} = 2000; # Limit for blob test-connect
+ $limits{'query_size'} = 65525; # Max size with default buffers.
+ $limits{'max_index'} = 16; # Max number of keys
+ $limits{'max_index_parts'} = 16; # Max segments/key
+ $limits{'max_column_name'} = 32; # max table and column name
+
+ $limits{'truncate_table'} = 1;
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'load_data_infile'} = 0; # Has load data infile
+ $limits{'lock_tables'} = 0; # Has lock tables
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'select_without_from'}= 0;
+ $limits{'multi_drop'} = 0;
+ $limits{'subqueries'} = 1;
+ $limits{'left_outer_join'} = 0; # This may be fixed in the query module
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING
+ $limits{'having_with_group'} = 1; # Can't use group functions in HAVING
+ $limits{'like_with_column'} = 1; # Can use column1 LIKE column2
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'group_by_position'} = 0;
+ $limits{'alter_table'} = 1;
+ $limits{'alter_add_multi_col'}= 0;
+ $limits{'alter_table_dropcol'}= 0;
+
+ $limits{'group_func_extra_std'} = 0; # Have group function std().
+
+ $limits{'func_odbc_mod'} = 0; # Oracle has problem with mod()
+ $limits{'func_extra_%'} = 0; # Has % as alias for mod()
+ $limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
+ $limits{'func_extra_if'} = 0; # Have function if.
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'NEG'} = 1; # Supports -id
+ $limits{'func_extra_in_num'} = 1; # Has function in
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+
+
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my ($dbh,$sth,$version,@row);
+
+ $dbh=$self->connect();
+ $sth = $dbh->prepare("select VERSION from product_component_version WHERE PRODUCT like 'Oracle%'") or die $DBI::errstr;
+ $version="Oracle 7.x";
+ if ($sth->execute && (@row = $sth->fetchrow_array))
+ {
+ $version="Oracle $row[0]";
+ }
+ $sth->finish;
+ $dbh->disconnect;
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+# If one uses $main::opt_fast then one is allowed to use
+# non standard types to get better speed.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$ind,@keys);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/ character\((\d+)\)/ char\($1\)/i;
+ $field =~ s/ character varying\((\d+)\)/ varchar\($1\)/i;
+ $field =~ s/ char varying\((\d+)\)/ varchar\($1\)/i;
+ $field =~ s/ integer/ number\(38\)/i;
+ $field =~ s/ int/ number\(38\)/i;
+ $field =~ s/ tinyint/ number\(38\)/i;
+ $field =~ s/ smallint/ number\(38\)/i;
+ $field =~ s/ mediumint/ number\(38\)/i;
+ $field =~ s/ tinynumber\((\d+)\)\((\d+)\)/ number\($1,$2\)/i;
+ $field =~ s/ smallnumber\((\d+)\)\((\d+)\)/ number\($1,$2\)/i;
+ $field =~ s/ mediumnumber\((\d+)\)\((\d+)\)/ number\($1,$2\)/i;
+ $field =~ s/ number\((\d+)\)\((\d+)\)/ number\($1,$2\)/i;
+ $field =~ s/ numeric\((\d+)\)\((\d+)\)/ number\($1,$2\)/i;
+ $field =~ s/ decimal\((\d+)\)\((\d+)\)/ number\($1,$2\)/i;
+ $field =~ s/ dec\((\d+)\)\((\d+)\)/ number\($1,$2\)/i;
+ $field =~ s/ float/ number/;
+ $field =~ s/ real/ number/;
+ $field =~ s/ double precision/ number/;
+ $field =~ s/ double/ number/;
+ $field =~ s/ blob/ long/;
+ $query.= $field . ',';
+ }
+
+ foreach $ind (@$index)
+ {
+ my @index;
+ if ( $ind =~ /\bKEY\b/i ){
+ push(@keys,"ALTER TABLE $table_name ADD $ind");
+ }else{
+ my @fields = split(' ',$index);
+ my $query="CREATE INDEX $fields[1] ON $table_name $fields[2]";
+ push(@index,$query);
+ }
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query,@keys,@index);
+#print "query:$query\n";
+
+ return @queries;
+}
+
+sub insert_file {
+ my($self,$dbname, $file) = @_;
+ print "insert an ascii file isn't supported by Oracle (?)\n";
+ return 0;
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ $cmd =~ s/\'\'/\' \'/g;
+ return $cmd;
+}
+
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 1;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+#
+# optimize the tables ....
+#
+sub vacuum
+{
+ my ($self,$full_vacuum,$dbh_ref)=@_;
+ my ($loop_time,$end_time,$sth,$dbh);
+
+ if (defined($full_vacuum))
+ {
+ $$dbh_ref->disconnect; $$dbh_ref= $self->connect();
+ }
+ $dbh=$$dbh_ref;
+ $loop_time=new Benchmark;
+ # first analyze all tables
+ $sth = $dbh->prepare("select table_name from user_tables") || die "Got error: $DBI::errstr";
+ $sth->execute || die "Got error: $DBI::errstr when select user_tables";
+ while (my @r = $sth->fetchrow_array)
+ {
+ $dbh->do("analyze table $r[0] compute statistics") || die "Got error: $DBI::errstr when executing 'analyze table'\n";
+ }
+ # now analyze all indexes ...
+ $sth = $dbh->prepare("select index_name from user_indexes") || die "Got error: $DBI::errstr";
+ $sth->execute || die "Got error: $DBI::errstr when select user_indexes";
+ while (my @r1 = $sth->fetchrow_array)
+ {
+ $dbh->do("analyze index $r1[0] compute statistics") || die "Got error: $DBI::errstr when executing 'analyze index $r1[0]'\n";
+ }
+ $end_time=new Benchmark;
+ print "Time for book-keeping (1): " .
+ Benchmark::timestr(Benchmark::timediff($end_time, $loop_time),"all") . "\n\n";
+ $dbh->disconnect; $$dbh_ref= $self->connect();
+}
+
+
+#############################################################################
+# Definitions for Informix
+#############################################################################
+
+package db_Informix;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "Informix";
+ $self->{'data_source'} = "DBI:Informix:$database";
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "byte in table";
+ $self->{'text'} = "byte in table";
+ $self->{'double_quotes'} = 0; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+ $self->{'host'} = $host;
+
+ $limits{'NEG'} = 1; # Supports -id
+ $limits{'alter_table'} = 1;
+ $limits{'alter_add_multi_col'}= 0;
+ $limits{'alter_table_dropcol'}= 1;
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'func_extra_%'} = 0; # Has % as alias for mod()
+ $limits{'func_extra_if'} = 0; # Have function if.
+ $limits{'func_extra_in_num'}= 0; # Has function in
+ $limits{'func_odbc_floor'} = 0; # Has func_odbc_floor function
+ $limits{'func_odbc_mod'} = 1; # Have function mod.
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_by_position'} = 1; # Can use 'GROUP BY 1'
+ $limits{'group_by_alias'} = 0; # Can use 'select a as ab from x GROUP BY ab'
+ $limits{'group_func_extra_std'} = 0; # Have group function std().
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING
+ $limits{'having_with_group'}= 1; # Can't use group functions in HAVING
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables (always 1 only for msql)
+ $limits{'left_outer_join'} = 0; # Supports left outer joins (ANSI)
+ $limits{'like_with_column'} = 1; # Can use column1 LIKE column2
+ $limits{'load_data_infile'} = 0; # Has load data infile
+ $limits{'lock_tables'} = 1; # Has lock tables
+ $limits{'max_conditions'} = 1214; # (Actually not a limit)
+ $limits{'max_column_name'} = 18; # max table and column name
+ $limits{'max_columns'} = 994; # Max number of columns in table
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+
+ $limits{'max_index'} = 64; # Max number of keys
+ $limits{'max_index_parts'} = 15; # Max segments/key
+ $limits{'max_text_size'} = 65535; # Max size with default buffers. ??
+ $limits{'multi_drop'} = 0; # Drop table can take many tables
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'query_size'} = 32766; # Max size with default buffers.
+ $limits{'select_without_from'}= 0; # Can do 'select 1';
+ $limits{'subqueries'} = 1; # Doesn't support sub-queries.
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my ($dbh,$sth,$version,@row);
+
+ $ENV{'INFORMIXSERVER'} = $self->{'host'};
+ $dbh=$self->connect();
+ $sth = $dbh->prepare("SELECT owner FROM systables WHERE tabname = ' VERSION'")
+ or die $DBI::errstr;
+ $version='Informix unknown';
+ if ($sth->execute && (@row = $sth->fetchrow_array))
+ {
+ $version="Informix $row[0]";
+ }
+ $sth->finish;
+ $dbh->disconnect;
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+
+#
+# Create table
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$name,$nr);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+# $field =~ s/\btransport_description\b/transport_desc/;
+ # to overcome limit 18 chars
+ $field =~ s/tinyint/smallint/i;
+ $field =~ s/tinyint\(\d+\)/smallint/i;
+ $field =~ s/mediumint/integer/i;
+ $field =~ s/mediumint\(\d+\)/integer/i;
+ $field =~ s/smallint\(\d+\)/smallint/i;
+ $field =~ s/integer\(\d+\)/integer/i;
+ $field =~ s/int\(\d+\)/integer/i;
+# $field =~ s/\b(?:small)?int(?:eger)?\((\d+)\)/decimal($1)/i;
+# $field =~ s/float(\(\d*,\d*\)){0,1}/real/i;
+ $field =~ s/(float|double)(\(.*?\))?/float/i;
+
+ if ($field =~ / blob/i)
+ {
+ $name=$self->{'blob'};
+ $field =~ s/ blob/ $name/;
+ }
+ $query.= $field . ',';
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query);
+ $nr=0;
+
+ foreach $index (@$index)
+ {
+ # Primary key is unique index in Informix
+ $index =~ s/primary key/unique index primary/i;
+ if ($index =~ /^unique\s*\(([^\(]*)\)$/i)
+ {
+ $nr++;
+ push(@queries,"create unique index ${table_name}_$nr on $table_name ($1)");
+ }
+ else
+ {
+ if (!($index =~ /^(.*index)\s+(\w*)\s+(\(.*\))$/i))
+ {
+ die "Can't parse index information in '$index'\n";
+ }
+ ### push(@queries,"create $1 ${table_name}_$2 on $table_name $3");
+ $nr++;
+ push(@queries,"create $1 ${table_name}_$nr on $table_name $3");
+ }
+ }
+ return @queries;
+}
+#
+# Some test needed this
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ $cmd =~ s/\\\'//g;
+ return $cmd;
+}
+
+
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+
+#############################################################################
+# Configuration for Access
+#############################################################################
+
+package db_access;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "access";
+ $self->{'data_source'} = "DBI:ODBC:$database";
+ if (defined($host) && $host ne "")
+ {
+ $self->{'data_source'} .= ":$host";
+ }
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "blob";
+ $self->{'text'} = "blob"; # text ?
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+
+ $limits{'max_conditions'} = 97; # We get 'Query is too complex'
+ $limits{'max_columns'} = 255; # Max number of columns in table
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+
+ $limits{'max_text_size'} = 255; # Max size with default buffers.
+ $limits{'query_size'} = 65535; # Not a limit, big enough
+ $limits{'max_index'} = 32; # Max number of keys
+ $limits{'max_index_parts'} = 10; # Max segments/key
+ $limits{'max_column_name'} = 64; # max table and column name
+
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'load_data_infile'} = 0; # Has load data infile
+ $limits{'lock_tables'} = 0; # Has lock tables
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_distinct_functions'}= 0; # Have count(distinct)
+ $limits{'select_without_from'}= 1; # Can do 'select 1';
+ $limits{'multi_drop'} = 0; # Drop table can take many tables
+ $limits{'subqueries'} = 1; # Supports sub-queries.
+ $limits{'left_outer_join'} = 1; # Supports left outer joins
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING
+ $limits{'having_with_group'} = 1; # Can use group functions in HAVING
+ $limits{'like_with_column'} = 1; # Can use column1 LIKE column2
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'group_by_position'} = 0; # Can use 'GROUP BY 1'
+ $limits{'alter_table'} = 1;
+ $limits{'alter_add_multi_col'}= 2; #Have ALTER TABLE t add a int, b int;
+ $limits{'alter_table_dropcol'}= 1;
+
+ $limits{'group_func_extra_std'} = 0; # Have group function std().
+
+ $limits{'func_odbc_mod'} = 0; # Have function mod.
+ $limits{'func_extra_%'} = 0; # Has % as alias for mod()
+ $limits{'func_odbc_floor'} = 0; # Has func_odbc_floor function
+ $limits{'func_extra_if'} = 0; # Have function if.
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'NEG'} = 1; # Supports -id
+ $limits{'func_extra_in_num'} = 1; # Has function in
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my $version="Access 2000";
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version; #DBI/ODBC can't return the server version
+}
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$nr);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/mediumint/integer/i;
+ $field =~ s/tinyint/smallint/i;
+ $field =~ s/float\(\d+,\d+\)/float/i;
+ $field =~ s/integer\(\d+\)/integer/i;
+ $field =~ s/smallint\(\d+\)/smallint/i;
+ $field =~ s/int\(\d+\)/integer/i;
+ $field =~ s/blob/text/i;
+ $query.= $field . ',';
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query);
+ $nr=0;
+ foreach $index (@$index)
+ {
+ $ext="WITH DISALLOW NULL";
+ if (($index =~ s/primary key/unique index primary_key/i))
+ {
+ $ext="WITH PRIMARY;"
+ }
+ if ($index =~ /^unique.*\(([^\(]*)\)$/i)
+ {
+ $nr++;
+ $index="unique index ${table_name}_$nr ($1)";
+ }
+ $index =~ /^(.*)\s+(\(.*\))$/;
+ push(@queries,"create ${1} on $table_name $2");
+ }
+ return @queries;
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index ON $table";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 1 if (($DBI::errstr =~ /The database engine couldn\'t lock table/i) ||
+ ($DBI::errstr =~ /niet vergrendelen. De tabel is momenteel in gebruik /i) ||
+ ($DBI::errstr =~ /Den anv.* redan av en annan/i) ||
+ ($DBI::errstr =~ /non-exclusive access/));
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 1;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+#############################################################################
+# Configuration for Microsoft SQL server
+#############################################################################
+
+package db_ms_sql;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "ms-sql";
+ $self->{'data_source'} = "DBI:ODBC:$database";
+ if (defined($host) && $host ne "")
+ {
+ $self->{'data_source'} .= ":$host";
+ }
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "text";
+ $self->{'text'} = "text";
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+
+ $limits{'max_conditions'} = 1030; # We get 'Query is too complex'
+ $limits{'max_columns'} = 250; # Max number of columns in table
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+
+ $limits{'max_text_size'} = 9830; # Max size with default buffers.
+ $limits{'query_size'} = 9830; # Max size with default buffers.
+ $limits{'max_index'} = 64; # Max number of keys
+ $limits{'max_index_parts'} = 15; # Max segments/key
+ $limits{'max_column_name'} = 30; # max table and column name
+
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'load_data_infile'} = 0; # Has load data infile
+ $limits{'lock_tables'} = 0; # Has lock tables
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'select_without_from'}= 1; # Can do 'select 1';
+ $limits{'multi_drop'} = 1; # Drop table can take many tables
+ $limits{'subqueries'} = 1; # Supports sub-queries.
+ $limits{'left_outer_join'} = 1; # Supports left outer joins
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING
+ $limits{'having_with_group'} = 1; # Can't use group functions in HAVING
+ $limits{'like_with_column'} = 1; # Can use column1 LIKE column2
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'group_by_position'} = 0; # Can use 'GROUP BY 1'
+ $limits{'alter_table'} = 1;
+ $limits{'alter_add_multi_col'}= 0;
+ $limits{'alter_table_dropcol'}= 0;
+
+ $limits{'group_func_extra_std'} = 0; # Have group function std().
+
+ $limits{'func_odbc_mod'} = 0; # Have function mod.
+ $limits{'func_extra_%'} = 1; # Has % as alias for mod()
+ $limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
+ $limits{'func_extra_if'} = 0; # Have function if.
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'NEG'} = 1; # Supports -id
+ $limits{'func_extra_in_num'} = 0; # Has function in
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my($sth,@row, $version);
+ $version='MS SQL server ?';
+ $dbh=$self->connect();
+ $sth = $dbh->prepare("SELECT \@\@VERSION") or die $DBI::errstr;
+ $sth->execute or die $DBI::errstr;
+ @row = $sth->fetchrow_array;
+ if ($row[0]) {
+ @server = split(/\n/,$row[0]);
+ chomp(@server);
+ $version= "$server[0]";
+ }
+ $sth->finish;
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$nr);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/mediumint/integer/i;
+ $field =~ s/float\(\d+,\d+\)/float/i;
+ $field =~ s/double\(\d+,\d+\)/float/i;
+ $field =~ s/double/float/i;
+ $field =~ s/integer\(\d+\)/integer/i;
+ $field =~ s/int\(\d+\)/integer/i;
+ $field =~ s/smallint\(\d+\)/smallint/i;
+ $field =~ s/smallinteger/smallint/i;
+ $field =~ s/tinyint\(\d+\)/tinyint/i;
+ $field =~ s/tinyinteger/tinyint/i;
+ $field =~ s/blob/text/i;
+ $query.= $field . ',';
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query);
+ $nr=0;
+ foreach $index (@$index)
+ {
+ $ext="WITH DISALLOW NULL";
+ if (($index =~ s/primary key/unique index primary_key/i))
+ {
+ $ext="WITH PRIMARY;"
+ }
+ if ($index =~ /^unique.*\(([^\(]*)\)$/i)
+ {
+ $nr++;
+ $index="unique index ${table_name}_$nr ($1)";
+ }
+ $index =~ /^(.*)\s+(\(.*\))$/;
+ push(@queries,"create ${1} on $table_name $2");
+ }
+ return @queries;
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $table.$index";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+#############################################################################
+# Configuration for Sybase
+#############################################################################
+package db_sybase;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "sybase";
+ $self->{'data_source'} = "DBI:Sybase:database=$database";
+ if (defined($host) && $host ne "")
+ {
+ $self->{'data_source'} .= ";hostname=$host";
+ }
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "text";
+ $self->{'text'} = "text";
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+ $self->{"vacuum"} = 1;
+
+ $limits{'max_conditions'} = 1030; # We get 'Query is too complex'
+ $limits{'max_columns'} = 250; # Max number of columns in table
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+
+ $limits{'max_text_size'} = 9830; # Max size with default buffers.
+ $limits{'query_size'} = 9830; # Max size with default buffers.
+ $limits{'max_index'} = 64; # Max number of keys
+ $limits{'max_index_parts'} = 15; # Max segments/key
+ $limits{'max_column_name'} = 30; # max table and column name
+
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'load_data_infile'} = 0; # Has load data infile
+ $limits{'lock_tables'} = 0; # Has lock tables
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'select_without_from'}= 1; # Can do 'select 1';
+ $limits{'multi_drop'} = 1; # Drop table can take many tables
+ $limits{'subqueries'} = 1; # Supports sub-queries.
+ $limits{'left_outer_join'} = 1; # Supports left outer joins
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING
+ $limits{'having_with_group'} = 1; # Can't use group functions in HAVING
+ $limits{'like_with_column'} = 1; # Can use column1 LIKE column2
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'group_by_position'} = 0; # Can use 'GROUP BY 1'
+ $limits{'alter_table'} = 1;
+ $limits{'alter_add_multi_col'}= 0;
+ $limits{'alter_table_dropcol'}= 0;
+
+ $limits{'group_func_extra_std'} = 0; # Have group function std().
+
+ $limits{'func_odbc_mod'} = 0; # Have function mod.
+ $limits{'func_extra_%'} = 1; # Has % as alias for mod()
+ $limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
+ $limits{'func_extra_if'} = 0; # Have function if.
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'NEG'} = 1; # Supports -id
+ $limits{'func_extra_in_num'} = 0; # Has function in
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my ($dbh,$sth,$version,@row);
+
+ $dbh=$self->connect();
+ $sth = $dbh->prepare('SELECT @@version') or die $DBI::errstr;
+ $version="Sybase (unknown)";
+ if ($sth->execute && (@row = $sth->fetchrow_array))
+ {
+ $version=$row[0];
+ }
+ $sth->finish;
+ $dbh->disconnect;
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0 , AutoCommit => 1}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$nr);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/mediumint/integer/i;
+ $field =~ s/float\(\d+,\d+\)/float/i;
+ $field =~ s/int\(\d+\)/int/i;
+ $field =~ s/double/float/i;
+ $field =~ s/integer\(\d+\)/integer/i;
+ $field =~ s/smallint\(\d+\)/smallint/i;
+ $field =~ s/tinyint\(\d+\)/tinyint/i;
+ $field =~ s/blob/text/i;
+ $query.= $field . ',';
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query);
+ $nr=0;
+ foreach $index (@$index)
+ {
+# $ext="WITH DISALLOW NULL";
+ if (($index =~ s/primary key/unique index primary_key/i))
+ {
+# $ext="WITH PRIMARY;"
+ }
+ if ($index =~ /^unique.*\(([^\(]*)\)$/i)
+ {
+ $nr++;
+ $index="unique index ${table_name}_$nr ($1)";
+ }
+ $index =~ /^(.*)\s+(\(.*\))$/;
+ push(@queries,"create ${1} on $table_name $2");
+ }
+ return @queries;
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $table.$index";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+#
+# optimize the tables ....
+# WARNING (from walrus)! This sub will work only from DBD:sybase
+# driver. Because if we use ODBC we don't know actual database name
+# (but DSN name only)
+sub vacuum
+{
+ my ($self,$full_vacuum,$dbh_ref)=@_;
+ my ($loop_time,$end_time,$dbh);
+
+ if (defined($full_vacuum))
+ {
+ $$dbh_ref->disconnect; $$dbh_ref= $self->connect();
+ }
+ $dbh=$$dbh_ref;
+ $loop_time=new Benchmark;
+ my (@tables,$sth,$current_table,$current_base);
+ $dbh->do("dump tran $database with truncate_only");
+ $sth=$dbh->prepare("sp_tables" ) or die "prepere";
+ $sth->execute() or die "execute";
+ while (@row = $sth->fetchrow_array()) {
+ $current_table = $row[2];
+ $current_base = $row[0];
+ next if ($current_table =~ /^sys/);
+ push(@tables,$current_table) if ($database == $current_base);
+ }
+
+ $sth->finish();
+
+ foreach $table (@tables) {
+# print "$table: \n";
+ $dbh->do("update statistics $table") or print "Oops!";
+ }
+
+# $dbh->do("analyze table ?? compute statistics") || die "Got error: $DBI::errstr when executing 'vacuum'\n";
+ $end_time=new Benchmark;
+ print "Time for book-keeping (1): " .
+ Benchmark::timestr(Benchmark::timediff($end_time, $loop_time),"all") . "\n\n";
+ $dbh->disconnect; $$dbh_ref= $self->connect();
+}
+
+
+
+
+#############################################################################
+# Definitions for Adabas
+#############################################################################
+
+package db_Adabas;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "Adabas";
+ $self->{'data_source'} = "DBI:Adabas:$database";
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "long";
+ $self->{'text'} = "long";
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+
+ $limits{'max_conditions'} = 50; # (Actually not a limit)
+ $limits{'max_columns'} = 254; # Max number of columns in table
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+
+ $limits{'max_text_size'} = 2000; # Limit for blob test-connect
+ $limits{'query_size'} = 65525; # Max size with default buffers.
+ $limits{'max_index'} = 16; # Max number of keys
+ $limits{'max_index_parts'} = 16; # Max segments/key
+ $limits{'max_column_name'} = 32; # max table and column name
+
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'load_data_infile'} = 0; # Has load data infile
+ $limits{'lock_tables'} = 0; # Has lock tables
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'select_without_from'}= 0;
+ $limits{'multi_drop'} = 0;
+ $limits{'subqueries'} = 1;
+ $limits{'left_outer_join'} = 0; # This may be fixed in the query module
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING
+ $limits{'having_with_group'} = 1; # Can't use group functions in HAVING
+ $limits{'like_with_column'} = 1; # Can use column1 LIKE column2
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'group_by_position'} = 1;
+ $limits{'alter_table'} = 1;
+ $limits{'alter_add_multi_col'}= 2; #Have ALTER TABLE t add a int, b int;
+ $limits{'alter_table_dropcol'}= 1;
+
+ $limits{'group_func_extra_std'} = 0; # Have group function std().
+
+ $limits{'func_odbc_mod'} = 0; # Oracle has problem with mod()
+ $limits{'func_extra_%'} = 0; # Has % as alias for mod()
+ $limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
+ $limits{'func_extra_if'} = 0; # Have function if.
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'NEG'} = 1; # Supports -id
+ $limits{'func_extra_in_num'} = 1; # Has function in
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+
+
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my ($dbh,$sth,$version,@row);
+
+ $dbh=$self->connect();
+ $sth = $dbh->prepare("SELECT KERNEL FROM VERSIONS") or die $DBI::errstr;
+ $version="Adabas (unknown)";
+ if ($sth->execute && (@row = $sth->fetchrow_array)
+ && $row[0] =~ /([\d\.]+)/)
+ {
+ $version="Adabas $1";
+ }
+ $sth->finish;
+ $dbh->disconnect;
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+# If one uses $main::opt_fast then one is allowed to use
+# non standard types to get better speed.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$ind,@keys);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/CHARACTER\s+VARYING/VARCHAR/i;
+ $field =~ s/TINYINT/SMALLINT/i;
+ $field =~ s/MEDIUMINT/INT/i;
+ $field =~ s/SMALLINT\s*\(\d+\)/SMALLINT/i;
+ $field =~ s/INT\s*\(\d+\)/INT/i;
+ $field =~ s/BLOB/LONG/i;
+ $field =~ s/INTEGER\s*\(\d+\)/INTEGER/i;
+ $field =~ s/FLOAT\s*\((\d+),\d+\)/FLOAT\($1\)/i;
+ $field =~ s/DOUBLE/FLOAT\(38\)/i;
+ $field =~ s/DOUBLE\s+PRECISION/FLOAT\(38\)/i;
+ $query.= $field . ',';
+ }
+
+ foreach $ind (@$index)
+ {
+ my @index;
+ if ( $ind =~ /\bKEY\b/i ){
+ push(@keys,"ALTER TABLE $table_name ADD $ind");
+ }else{
+ my @fields = split(' ',$index);
+ my $query="CREATE INDEX $fields[1] ON $table_name $fields[2]";
+ push(@index,$query);
+ }
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query,@keys,@index);
+#print "query:$query\n";
+
+ return @queries;
+}
+
+sub insert_file {
+ my($self,$dbname, $file) = @_;
+ print "insert an ascii file isn't supported by Oracle (?)\n";
+ return 0;
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+#############################################################################
+# Configuration for IBM DB2
+#############################################################################
+
+package db_db2;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "DB2";
+ $self->{'data_source'} = "DBI:ODBC:$database";
+ if (defined($host) && $host ne "")
+ {
+ $self->{'data_source'} .= ":$host";
+ }
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "varchar(255)";
+ $self->{'text'} = "varchar(255)";
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+
+ $limits{'max_conditions'} = 418; # We get 'Query is too complex'
+ $limits{'max_columns'} = 500; # Max number of columns in table
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+
+ $limits{'max_text_size'} = 254; # Max size with default buffers.
+ $limits{'query_size'} = 254; # Max size with default buffers.
+ $limits{'max_index'} = 48; # Max number of keys
+ $limits{'max_index_parts'} = 15; # Max segments/key
+ $limits{'max_column_name'} = 18; # max table and column name
+
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'load_data_infile'} = 0; # Has load data infile
+ $limits{'lock_tables'} = 0; # Has lock tables
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'group_func_sql_min_str'}= 1;
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'select_without_from'}= 0; # Can do 'select 1';
+ $limits{'multi_drop'} = 0; # Drop table can take many tables
+ $limits{'subqueries'} = 1; # Supports sub-queries.
+ $limits{'left_outer_join'} = 1; # Supports left outer joins
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING
+ $limits{'having_with_group'} = 1; # Can't use group functions in HAVING
+ $limits{'like_with_column'} = 0; # Can use column1 LIKE column2
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'group_by_position'} = 0; # Can use 'GROUP BY 1'
+ $limits{'alter_table'} = 1;
+ $limits{'alter_add_multi_col'}= 0;
+ $limits{'alter_table_dropcol'}= 0;
+
+ $limits{'group_func_extra_std'} = 0; # Have group function std().
+
+ $limits{'func_odbc_mod'} = 1; # Have function mod.
+ $limits{'func_extra_%'} = 0; # Has % as alias for mod()
+ $limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
+ $limits{'func_extra_if'} = 0; # Have function if.
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'NEG'} = 1; # Supports -id
+ $limits{'func_extra_in_num'} = 0; # Has function in
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ return "IBM DB2 5"; #DBI/ODBC can't return the server version
+}
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user, $main::opt_password) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index) = @_;
+ my($query,@queries,$nr);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/mediumint/integer/i;
+ $field =~ s/float\(\d+,\d+\)/float/i;
+ $field =~ s/integer\(\d+\)/integer/i;
+ $field =~ s/int\(\d+\)/integer/i;
+ $field =~ s/tinyint\(\d+\)/smallint/i;
+ $field =~ s/tinyint/smallint/i;
+ $field =~ s/smallint\(\d+\)/smallint/i;
+ $field =~ s/smallinteger/smallint/i;
+ $field =~ s/blob/varchar(256)/i;
+ $query.= $field . ',';
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ push(@queries,$query);
+ $nr=0;
+ foreach $index (@$index)
+ {
+ $ext="WITH DISALLOW NULL";
+ if (($index =~ s/primary key/unique index primary_key/i))
+ {
+ $ext="WITH PRIMARY;"
+ }
+ if ($index =~ /^unique.*\(([^\(]*)\)$/i)
+ {
+ $nr++;
+ $index="unique index ${table_name}_$nr ($1)";
+ }
+ $index =~ /^(.*)\s+(\(.*\))$/;
+ push(@queries,"create ${1} on $table_name $2");
+ }
+ return @queries;
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index
+{
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $table.$index";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 1;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+#############################################################################
+# Configuration for MIMER
+#############################################################################
+
+package db_Mimer;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "mimer";
+ $self->{'data_source'} = "DBI:mimer:$database:$host";
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "binary varying(15000)";
+ $self->{'text'} = "character varying(15000)";
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+ $self->{'char_null'} = "cast(NULL as char(1))";
+ $self->{'numeric_null'} = "cast(NULL as int)";
+
+ $limits{'max_conditions'} = 9999; # (Actually not a limit)
+ $limits{'max_columns'} = 252; # Max number of columns in table
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+ $limits{'max_text_size'} = 15000; # Max size with default buffers.
+ $limits{'query_size'} = 1000000; # Max size with default buffers.
+ $limits{'max_index'} = 32; # Max number of keys
+ $limits{'max_index_parts'} = 16; # Max segments/key
+ $limits{'max_column_name'} = 128; # max table and column name
+
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'load_data_infile'} = 1; # Has load data infile
+ $limits{'lock_tables'} = 0; # Has lock tables
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'select_without_from'}= 0; # Cannot do 'select 1';
+ $limits{'multi_drop'} = 0; # Drop table cannot take many tables
+ $limits{'subqueries'} = 1; # Supports sub-queries.
+ $limits{'left_outer_join'} = 1; # Supports left outer joins
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING
+ $limits{'having_with_group'} = 1; # Can use group functions in HAVING
+ $limits{'like_with_column'} = 1; # Can use column1 LIKE column2
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'group_by_position'} = 0; # Cannot use 'GROUP BY 1'
+ $limits{'alter_table'} = 1; # Have ALTER TABLE
+ $limits{'alter_add_multi_col'}= 0; # Have ALTER TABLE t add a int,add b int;
+ $limits{'alter_table_dropcol'}= 1; # Have ALTER TABLE DROP column
+ $limits{'insert_multi_value'} = 0; # Does not have INSERT ... values (1,2),(3,4)
+ $limits{'multi_distinct'} = 0; # Does not allow select count(distinct a),count(distinct b)..
+
+ $limits{'group_func_extra_std'} = 0; # Does not have group function std().
+
+ $limits{'func_odbc_mod'} = 1; # Have function mod.
+ $limits{'func_extra_%'} = 0; # Does not have % as alias for mod()
+ $limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function
+ $limits{'func_extra_if'} = 0; # Does not have function if.
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'NEG'} = 1; # Supports -id
+ $limits{'func_extra_in_num'} = 1; # Has function in
+ $limits{'limit'} = 0; # Does not support the limit attribute
+ $limits{'unique_index'} = 1; # Unique index works or not
+ $limits{'insert_select'} = 1;
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 0;
+ $limits{'working_all_fields'} = 1;
+
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my ($dbh,$sth,$version,@row);
+
+ $dbh=$self->connect();
+#
+# Pick up SQLGetInfo option SQL_DBMS_VER (18)
+#
+ $version = $dbh->func(18, GetInfo);
+ $dbh->disconnect;
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+#
+# Connection with optional disabling of logging
+#
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+
+ $dbh->do("SET OPTION LOG_OFF=1,UPDATE_LOG=0");
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+# If one uses $main::opt_fast then one is allowed to use
+# non standard types to get better speed.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index,$options) = @_;
+ my($query,@queries,@indexes);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+# $field =~ s/ decimal/ double(10,2)/i;
+# $field =~ s/ big_decimal/ double(10,2)/i;
+ $field =~ s/ double/ double precision/i;
+ $field =~ s/ tinyint\(.*\)/ smallint/i;
+ $field =~ s/ smallint\(.*\)/ smallint/i;
+ $field =~ s/ mediumint/ integer/i;
+ $field =~ s/ float\(.*\)/ float/i;
+# $field =~ s/ date/ int/i; # Because of tcp ?
+ $query.= $field . ',';
+ }
+ foreach $index (@$index)
+ {
+ if ( $index =~ /\bINDEX\b/i )
+ {
+ my @fields = split(' ',$index);
+ my $query="CREATE INDEX $fields[1] ON $table_name $fields[2]";
+ push(@indexes,$query);
+
+ } else {
+ $query.= $index . ',';
+ }
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ $query.=" $options" if (defined($options));
+ push(@queries,$query,@indexes);
+ return @queries;
+}
+
+sub insert_file {
+ my($self,$dbname, $file) = @_;
+ print "insert of an ascii file isn't supported by Mimer\n";
+ return 0;
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index {
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 1 if ($DBI::errstr =~ /Table locked by another cursor/);
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+#############################################################################
+# Configuration for InterBase
+#############################################################################
+
+package db_interbase;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "interbase";
+ $self->{'data_source'} = "DBI:InterBase:database=$database;ib_dialect=3";
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "blob";
+ $self->{'text'} = "";
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled
+ $self->{'char_null'} = "";
+ $self->{'numeric_null'} = "";
+
+ $limits{'max_conditions'} = 9999; # (Actually not a limit)
+ $limits{'max_columns'} = 252; # Max number of columns in table
+ $limits{'max_tables'} = 65000; # Should be big enough
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+ $limits{'max_text_size'} = 15000; # Max size with default buffers.
+ $limits{'query_size'} = 1000000; # Max size with default buffers.
+ $limits{'max_index'} = 65000; # Max number of keys
+ $limits{'max_index_parts'} = 8; # Max segments/key
+ $limits{'max_column_name'} = 128; # max table and column name
+
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'load_data_infile'} = 0; # Has load data infile
+ $limits{'lock_tables'} = 0; # Has lock tables
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct)
+ $limits{'select_without_from'}= 0; # Cannot do 'select 1';
+ $limits{'multi_drop'} = 0; # Drop table cannot take many tables
+ $limits{'subqueries'} = 1; # Supports sub-queries.
+ $limits{'left_outer_join'} = 1; # Supports left outer joins
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING
+ $limits{'having_with_group'} = 1; # Can use group functions in HAVING
+ $limits{'like_with_column'} = 0; # Can use column1 LIKE column2
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'group_by_position'} = 0; # Cannot use 'GROUP BY 1'
+ $limits{'alter_table'} = 1; # Have ALTER TABLE
+ $limits{'alter_add_multi_col'}= 1; # Have ALTER TABLE t add a int,add b int;
+ $limits{'alter_table_dropcol'}= 1; # Have ALTER TABLE DROP column
+ $limits{'insert_multi_value'} = 0; # Does not have INSERT ... values (1,2),(3,4)
+
+ $limits{'group_func_extra_std'} = 0; # Does not have group function std().
+
+ $limits{'func_odbc_mod'} = 0; # Have function mod.
+ $limits{'func_extra_%'} = 0; # Does not have % as alias for mod()
+ $limits{'func_odbc_floor'} = 0; # Has func_odbc_floor function
+ $limits{'func_extra_if'} = 0; # Does not have function if.
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'NEG'} = 0; # Supports -id
+ $limits{'func_extra_in_num'} = 0; # Has function in
+ $limits{'limit'} = 0; # Does not support the limit attribute
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works
+ $limits{'order_by_unused'} = 1;
+ $limits{'working_all_fields'} = 1;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my ($dbh,$version);
+
+ $version='Interbase ?';
+
+ $dbh=$self->connect();
+ eval { $version = $dbh->func('version','ib_database_info')->{'version'}; };
+ $dbh->disconnect;
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+#
+# Connection with optional disabling of logging
+#
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0, AutoCommit => 1}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+# If one uses $main::opt_fast then one is allowed to use
+# non standard types to get better speed.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index,$options) = @_;
+ my($query,@queries,@keys,@indexes);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+# $field =~ s/ big_decimal/ decimal/i;
+ $field =~ s/ double/ double precision/i;
+ $field =~ s/ tinyint/ smallint/i;
+ $field =~ s/ mediumint/ integer/i;
+ $field =~ s/\bint\b/integer/i;
+ $field =~ s/ float\(\d,\d\)/ float/i;
+ $field =~ s/ smallint\(\d\)/ smallint/i;
+ $field =~ s/ integer\(\d\)/ integer/i;
+ $query.= $field . ',';
+ }
+ foreach $ind (@$index)
+ {
+ if ( $ind =~ /(\bKEY\b)|(\bUNIQUE\b)/i ){
+ push(@keys,"ALTER TABLE $table_name ADD $ind");
+ }else{
+ my @fields = split(' ',$ind);
+ my $query="CREATE INDEX $fields[1] ON $table_name $fields[2]";
+ push(@indexes,$query);
+ }
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ $query.=" $options" if (defined($options));
+ push(@queries,$query,@keys,@indexes);
+ return @queries;
+}
+
+sub insert_file {
+ my($self,$dbname, $file) = @_;
+ print "insert of an ascii file isn't supported by InterBase\n";
+ return 0;
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index {
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 1 if ($DBI::errstr =~ /Table locked by another cursor/);
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 1;
+}
+
+sub reconnect_on_errors
+{
+ return 1;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+#############################################################################
+# Configuration for FrontBase
+#############################################################################
+
+package db_FrontBase;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "FrontBase";
+ $self->{'data_source'} = "DBI:FB:dbname=$database;host=$host";
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "varchar(8000000)";
+ $self->{'text'} = "varchar(8000000)";
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = ' restrict';
+ $self->{'transactions'} = 1; # Transactions enabled
+ $self->{'error_on_execute_means_zero_rows'}=1;
+
+ $limits{'max_conditions'} = 5427; # (Actually not a limit)
+ # The following should be 8192, but is smaller because Frontbase crashes..
+ $limits{'max_columns'} = 150; # Max number of columns in table
+ $limits{'max_tables'} = 5000; # 10000 crashed FrontBase
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+ $limits{'max_text_size'} = 65000; # Max size with default buffers.
+ $limits{'query_size'} = 8000000; # Max size with default buffers.
+ $limits{'max_index'} = 38; # Max number of keys
+ $limits{'max_index_parts'} = 20; # Max segments/key
+ $limits{'max_column_name'} = 128; # max table and column name
+
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables
+ $limits{'load_data_infile'} = 1; # Has load data infile
+ $limits{'lock_tables'} = 0; # Has lock tables
+ $limits{'functions'} = 1; # Has simple functions (+/-)
+ $limits{'group_functions'} = 1; # Have group functions
+ $limits{'group_distinct_functions'}= 0; # Have count(distinct)
+ $limits{'select_without_from'}= 0;
+ $limits{'multi_drop'} = 0; # Drop table cannot take many tables
+ $limits{'subqueries'} = 1; # Supports sub-queries.
+ $limits{'left_outer_join'} = 1; # Supports left outer joins
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING
+ $limits{'having_with_group'} = 0; # Can use group functions in HAVING
+ $limits{'like_with_column'} = 1; # Can use column1 LIKE column2
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1'
+ $limits{'group_by_position'} = 0; # Use of 'GROUP BY 1'
+ $limits{'alter_table'} = 1; # Have ALTER TABLE
+ $limits{'alter_add_multi_col'}= 0; # Have ALTER TABLE t add a int,add b int;
+ $limits{'alter_table_dropcol'}= 0; # Have ALTER TABLE DROP column
+ $limits{'insert_multi_value'} = 1;
+
+ $limits{'group_func_extra_std'} = 0; # Does not have group function std().
+
+ $limits{'func_odbc_mod'} = 0; # Have function mod.
+ $limits{'func_extra_%'} = 0; # Does not have % as alias for mod()
+ $limits{'func_odbc_floor'} = 0; # Has func_odbc_floor function
+ $limits{'func_extra_if'} = 0; # Does not have function if.
+ $limits{'column_alias'} = 1; # Alias for fields in select statement.
+ $limits{'NEG'} = 1; # Supports -id
+ $limits{'func_extra_in_num'} = 0; # Has function in
+ $limits{'limit'} = 0; # Does not support the limit attribute
+ $limits{'insert_select'} = 0;
+ $limits{'order_by_unused'} = 0;
+
+ # We don't get an error for duplicate row in 'test-insert'
+ $limits{'unique_index'} = 0; # Unique index works or not
+ # We can't use a blob as a normal string (we got a wierd error)
+ $limits{'working_blobs'} = 0;
+ # 'select min(region),max(region) from bench1' kills the server after a while
+ $limits{'group_func_sql_min_str'} = 0;
+ # If you do select f1,f2,f3...f200 from table, Frontbase dies.
+ $limits{'working_all_fields'} = 0;
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my ($dbh,$sth,$version,@row);
+
+# $dbh=$self->connect();
+#
+# Pick up SQLGetInfo option SQL_DBMS_VER (18)
+#
+ #$version = $dbh->func(18, GetInfo);
+ $version="FrontBase 3.3";
+# $dbh->disconnect;
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+#
+# Connection with optional disabling of logging
+#
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'},
+ $main::opt_user,
+ $main::opt_password,
+ { PrintError => 0 ,
+ 'fb_host'=>$main::opt_host
+ }) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+ $db->{AutoCommit}=1;
+ # $dbh->do("SET OPTION LOG_OFF=1,UPDATE_LOG=0");
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+# If one uses $main::opt_fast then one is allowed to use
+# non standard types to get better speed.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index,$options) = @_;
+ my($query,@queries,@indexes,@keys);
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/ blob/ varchar(32000)/i;
+ $field =~ s/ big_decimal/ float/i;
+ $field =~ s/ double/ float/i;
+ $field =~ s/ tinyint/ smallint/i;
+ $field =~ s/ mediumint/ int/i;
+ $field =~ s/ integer/ int/i;
+ $field =~ s/ float\(\d,\d\)/ float/i;
+ $field =~ s/ smallint\(\d\)/ smallint/i;
+ $field =~ s/ int\(\d\)/ int/i;
+ $query.= $field . ',';
+ }
+ foreach $ind (@$index)
+ {
+# my @index;
+ if ( $ind =~ /(\bKEY\b)|(\bUNIQUE\b)/i ){
+ push(@keys,"ALTER TABLE $table_name ADD $ind");
+ }else{
+ my @fields = split(' ',$ind);
+ my $query="CREATE INDEX $fields[1] ON $table_name $fields[2]";
+ push(@indexes,$query);
+ }
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ $query.=" $options" if (defined($options));
+ push(@queries,$query,@keys,@indexes);
+ return @queries;
+}
+
+sub insert_file {
+ my($self,$dbname, $file) = @_;
+ print "insert of an ascii file isn't supported by InterBase\n";
+ return 0;
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index {
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 0 if ($DBI::errstr =~ /No raw data handle/);
+ return 1;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 1;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+#############################################################################
+# Configuration for SAPDB
+#############################################################################
+
+package db_sapdb;
+
+sub new
+{
+ my ($type,$host,$database)= @_;
+ my $self= {};
+ my %limits;
+ bless $self;
+
+ $self->{'cmp_name'} = "sapdb";
+ $self->{'data_source'} = "DBI:SAP_DB:$database";
+ $self->{'limits'} = \%limits;
+ $self->{'blob'} = "LONG"; # *
+ $self->{'text'} = "LONG"; # *
+ $self->{'double_quotes'} = 1; # Can handle: 'Walker''s'
+ $self->{'drop_attr'} = "";
+ $self->{'transactions'} = 1; # Transactions enabled *
+ $self->{'char_null'} = "";
+ $self->{'numeric_null'} = "";
+
+ $limits{'max_conditions'} = 9999; # (Actually not a limit) *
+ $limits{'max_columns'} = 1023; # Max number of columns in table *
+ $limits{'max_tables'} = 65000; # Should be big enough * unlimited actually
+ $limits{'max_temporary_tables'}= $limits{"max_tables"};
+ $limits{'max_text_size'} = 15000; # Max size with default buffers.
+ $limits{'query_size'} = 64*1024; # Max size with default buffers. *64 kb by default. May be set by system variable
+ $limits{'max_index'} = 510; # Max number of keys *
+ $limits{'max_index_parts'} = 16; # Max segments/key *
+ $limits{'max_column_name'} = 32; # max table and column name *
+
+ $limits{'join_optimizer'} = 1; # Can optimize FROM tables *
+ $limits{'load_data_infile'} = 0; # Has load data infile *
+ $limits{'lock_tables'} = 1; # Has lock tables
+ $limits{'functions'} = 1; # Has simple functions (+/-) *
+ $limits{'group_functions'} = 1; # Have group functions *
+ $limits{'group_func_sql_min_str'} = 1; # Can execute MIN() and MAX() on strings *
+ $limits{'group_distinct_functions'}= 1; # Have count(distinct) *
+ $limits{'select_without_from'}= 0; # Cannot do 'select 1'; *
+ $limits{'multi_drop'} = 0; # Drop table cannot take many tables *
+ $limits{'subqueries'} = 1; # Supports sub-queries. *
+ $limits{'left_outer_join'} = 1; # Supports left outer joins *
+ $limits{'table_wildcard'} = 1; # Has SELECT table_name.*
+ $limits{'having_with_alias'} = 0; # Can use aliases in HAVING *
+ $limits{'having_with_group'} = 1; # Can use group functions in HAVING *
+ $limits{'like_with_column'} = 1; # Can use column1 LIKE column2 *
+ $limits{'order_by_position'} = 1; # Can use 'ORDER BY 1' *
+ $limits{'group_by_position'} = 0; # Cannot use 'GROUP BY 1' *
+ $limits{'alter_table'} = 1; # Have ALTER TABLE *
+ $limits{'alter_add_multi_col'}= 1; # Have ALTER TABLE t add a int,add b int; *
+ $limits{'alter_table_dropcol'}= 1; # Have ALTER TABLE DROP column *
+ $limits{'insert_multi_value'} = 0; # INSERT ... values (1,2),(3,4) *
+
+ $limits{'group_func_extra_std'} = 0; # Does not have group function std().
+
+ $limits{'func_odbc_mod'} = 0; # Have function mod. *
+ $limits{'func_extra_%'} = 0; # Does not have % as alias for mod() *
+ $limits{'func_odbc_floor'} = 1; # Has func_odbc_floor function *
+ $limits{'func_extra_if'} = 0; # Does not have function if. *
+ $limits{'column_alias'} = 1; # Alias for fields in select statement. *
+ $limits{'NEG'} = 1; # Supports -id *
+ $limits{'func_extra_in_num'} = 0; # Has function in *
+ $limits{'limit'} = 0; # Does not support the limit attribute *
+ $limits{'working_blobs'} = 1; # If big varchar/blobs works *
+ $limits{'order_by_unused'} = 1; #
+ $limits{'working_all_fields'} = 1; #
+ $limits{'multi_distinct'} = 1; # allows select count(distinct a),count(distinct b)..
+
+
+ return $self;
+}
+
+#
+# Get the version number of the database
+#
+
+sub version
+{
+ my ($self)=@_;
+ my ($dbh,$sth,$version,@row);
+
+ $dbh=$self->connect();
+ $sth = $dbh->prepare("SELECT KERNEL FROM VERSIONS") or die $DBI::errstr;
+ $version="SAP DB (unknown)";
+ if ($sth->execute && (@row = $sth->fetchrow_array)
+ && $row[0] =~ /([\d\.]+)/)
+ {
+ $version=$row[0];
+ $version =~ s/KERNEL/SAP DB/i;
+ }
+ $sth->finish;
+ $dbh->disconnect;
+ $version .= "/ODBC" if ($self->{'data_source'} =~ /:ODBC:/);
+ return $version;
+}
+
+#
+# Connection with optional disabling of logging
+#
+
+sub connect
+{
+ my ($self)=@_;
+ my ($dbh);
+ $dbh=DBI->connect($self->{'data_source'}, $main::opt_user,
+ $main::opt_password,{ PrintError => 0, AutoCommit => 1}) ||
+ die "Got error: '$DBI::errstr' when connecting to " . $self->{'data_source'} ." with user: '$main::opt_user' password: '$main::opt_password'\n";
+
+ return $dbh;
+}
+
+#
+# Returns a list of statements to create a table
+# The field types are in ANSI SQL format.
+#
+
+sub create
+{
+ my($self,$table_name,$fields,$index,$options) = @_;
+ my($query,@queries,$nr);
+ my @index;
+ my @keys;
+
+ $query="create table $table_name (";
+ foreach $field (@$fields)
+ {
+ $field =~ s/\bmediumint\b/int/i;
+ $field =~ s/\btinyint\b/int/i;
+ $field =~ s/ int\(\d\)/ int/i;
+ $field =~ s/BLOB/LONG/i;
+ $field =~ s/INTEGER\s*\(\d+\)/INTEGER/i;
+ $field =~ s/SMALLINT\s*\(\d+\)/SMALLINT/i;
+ $field =~ s/FLOAT\s*\((\d+),\d+\)/FLOAT\($1\)/i;
+ $field =~ s/DOUBLE/FLOAT\(38\)/i;
+ $field =~ s/DOUBLE\s+PRECISION/FLOAT\(38\)/i;
+ $query.= $field . ',';
+ }
+ $nr=0;
+ foreach $ind (@$index)
+ {
+ if ( $ind =~ /\bKEY\b/i ){
+ push(@keys,"ALTER TABLE $table_name ADD $ind");
+ } elsif ($ind =~ /^unique.*\(([^\(]*)\)$/i) {
+ $nr++;
+ my $query="create unique index ${table_name}_$nr on $table_name ($1)";
+ push(@index,$query);
+ }else{
+ my @fields = split(' ',$ind);
+ my $query="CREATE INDEX $fields[1] ON $table_name $fields[2]";
+ push(@index,$query);
+ }
+ }
+ substr($query,-1)=")"; # Remove last ',';
+ $query.=" $options" if (defined($options));
+ push(@queries,$query);
+ push(@queries,@keys);
+ push(@queries,@index);
+ return @queries;
+}
+
+sub insert_file {
+ my($self,$dbname, $file) = @_;
+ print "insert of an ascii file isn't supported by SAPDB\n";
+ return 0;
+}
+
+#
+# Do any conversions to the ANSI SQL query so that the database can handle it
+#
+
+sub query {
+ my($self,$sql) = @_;
+ return $sql;
+}
+
+sub drop_index {
+ my ($self,$table,$index) = @_;
+ return "DROP INDEX $index";
+}
+
+#
+# Abort if the server has crashed
+# return: 0 if ok
+# 1 question should be retried
+#
+
+sub abort_if_fatal_error
+{
+ return 0;
+}
+
+sub small_rollback_segment
+{
+ return 0;
+}
+
+sub reconnect_on_errors
+{
+ return 0;
+}
+
+sub fix_for_insert
+{
+ my ($self,$cmd) = @_;
+ return $cmd;
+}
+
+1;