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Diffstat (limited to '')
-rw-r--r-- | sql/procedure.cc | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/sql/procedure.cc b/sql/procedure.cc new file mode 100644 index 00000000..21afef27 --- /dev/null +++ b/sql/procedure.cc @@ -0,0 +1,102 @@ +/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ + + +/* Procedures (functions with changes output of select) */ + +#ifdef USE_PRAGMA_IMPLEMENTATION +#pragma implementation // gcc: Class implementation +#endif + +#include "mariadb.h" +#include "sql_priv.h" +#include "procedure.h" +#include "sql_analyse.h" // Includes procedure +#ifdef USE_PROC_RANGE +#include "proc_range.h" +#endif + +static struct st_procedure_def { + const char *name; + Procedure *(*init)(THD *thd,ORDER *param,select_result *result, + List<Item> &field_list); +} sql_procs[] = { +#ifdef USE_PROC_RANGE + { "split_sum",proc_sum_range_init }, // Internal procedure at TCX + { "split_count",proc_count_range_init }, // Internal procedure at TCX + { "matris_ranges",proc_matris_range_init }, // Internal procedure at TCX +#endif + { "analyse",proc_analyse_init } // Analyse a result +}; + + +my_decimal *Item_proc_string::val_decimal(my_decimal *decimal_value) +{ + if (null_value) + return 0; + string2my_decimal(E_DEC_FATAL_ERROR, &value, decimal_value); + return (decimal_value); +} + + +my_decimal *Item_proc_int::val_decimal(my_decimal *decimal_value) +{ + if (null_value) + return 0; + int2my_decimal(E_DEC_FATAL_ERROR, value, unsigned_flag, decimal_value); + return (decimal_value); +} + + +my_decimal *Item_proc_real::val_decimal(my_decimal *decimal_value) +{ + if (null_value) + return 0; + double2my_decimal(E_DEC_FATAL_ERROR, value, decimal_value); + return (decimal_value); +} + + +/** + Setup handling of procedure. + + @return + Return 0 if everything is ok +*/ + + +Procedure * +setup_procedure(THD *thd,ORDER *param,select_result *result, + List<Item> &field_list,int *error) +{ + uint i; + DBUG_ENTER("setup_procedure"); + *error=0; + if (!param) + DBUG_RETURN(0); + for (i=0 ; i < array_elements(sql_procs) ; i++) + { + if (!my_strcasecmp(system_charset_info, + (*param->item)->name.str, sql_procs[i].name)) + { + Procedure *proc=(*sql_procs[i].init)(thd,param,result,field_list); + *error= !proc; + DBUG_RETURN(proc); + } + } + my_error(ER_UNKNOWN_PROCEDURE, MYF(0), (*param->item)->name.str); + *error=1; + DBUG_RETURN(0); +} |