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# 2006 January 30
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# This file implements tests to verify that ticket #1644 is
# fixed. Ticket #1644 complains that precompiled statements
# are not expired correctly as a result of changes to TEMP
# views and triggers.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !tempdb||!view {
finish_test
return
}
# Create two tables T1 and T2 and make V1 point to T1.
do_test tkt1644-1.1 {
execsql {
CREATE TABLE t1(a);
INSERT INTO t1 VALUES(1);
CREATE TABLE t2(b);
INSERT INTO t2 VALUES(99);
CREATE TEMP VIEW v1 AS SELECT * FROM t1;
SELECT * FROM v1;
}
} {1}
# The "SELECT * FROM v1" should be in the TCL interface cache below.
# It will continue to point to T1 unless the cache is invalidated when
# the view changes.
#
do_test tkt1644-1.2 {
execsql {
DROP VIEW v1;
CREATE TEMP VIEW v1 AS SELECT * FROM t2;
SELECT * FROM v1;
}
} {99}
# Cache an access to the T1 table.
#
do_test tkt1644-1.3 {
execsql {
SELECT * FROM t1;
}
} {1}
# Create a temp table T1. Make sure the cache is invalidated so that
# the statement is recompiled and refers to the empty temp table.
#
do_test tkt1644-1.4 {
execsql {
CREATE TEMP TABLE t1(x);
}
execsql {
SELECT * FROM t1;
}
} {}
ifcapable view {
do_test tkt1644-2.1 {
execsql {
CREATE TEMP TABLE temp_t1(a, b);
}
set ::DB [sqlite3_connection_pointer db]
set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_t1" -1 DUMMY]
execsql {
DROP TABLE temp_t1;
}
list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
} {SQLITE_ERROR SQLITE_SCHEMA}
do_test tkt1644-2.2 {
execsql {
CREATE TABLE real_t1(a, b);
CREATE TEMP VIEW temp_v1 AS SELECT * FROM real_t1;
}
set ::DB [sqlite3_connection_pointer db]
set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_v1" -1 DUMMY]
execsql {
DROP VIEW temp_v1;
}
list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
} {SQLITE_ERROR SQLITE_SCHEMA}
do_test tkt1644-2.3 {
execsql {
CREATE TEMP VIEW temp_v1 AS SELECT * FROM real_t1 LIMIT 10 OFFSET 10;
}
set ::DB [sqlite3_connection_pointer db]
set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_v1" -1 DUMMY]
execsql {
DROP VIEW temp_v1;
}
list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
} {SQLITE_ERROR SQLITE_SCHEMA}
}
finish_test
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