sl@0: # 2006 January 30
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file implements regression tests for SQLite library.
sl@0: #
sl@0: # This file implements tests to verify that ticket #1644 is
sl@0: # fixed.  Ticket #1644 complains that precompiled statements
sl@0: # are not expired correctly as a result of changes to TEMP
sl@0: # views and triggers.
sl@0: #
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: ifcapable !tempdb||!view {
sl@0:   finish_test
sl@0:   return
sl@0: }  
sl@0: 
sl@0: # Create two tables T1 and T2 and make V1 point to T1.
sl@0: do_test tkt1644-1.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t1(a);
sl@0:     INSERT INTO t1 VALUES(1);
sl@0:     CREATE TABLE t2(b);
sl@0:     INSERT INTO t2 VALUES(99);
sl@0:     CREATE TEMP VIEW v1 AS SELECT * FROM t1;
sl@0:     SELECT * FROM v1;
sl@0:   }
sl@0: } {1}
sl@0: 
sl@0: # The "SELECT * FROM v1" should be in the TCL interface cache below.
sl@0: # It will continue to point to T1 unless the cache is invalidated when
sl@0: # the view changes.
sl@0: #
sl@0: do_test tkt1644-1.2 {
sl@0:   execsql {
sl@0:     DROP VIEW v1;
sl@0:     CREATE TEMP VIEW v1 AS SELECT * FROM t2;
sl@0:     SELECT * FROM v1;
sl@0:   }
sl@0: } {99}
sl@0: 
sl@0: # Cache an access to the T1 table.
sl@0: #
sl@0: do_test tkt1644-1.3 {
sl@0:   execsql {
sl@0:     SELECT * FROM t1;
sl@0:   }
sl@0: } {1}
sl@0: 
sl@0: # Create a temp table T1.  Make sure the cache is invalidated so that
sl@0: # the statement is recompiled and refers to the empty temp table.
sl@0: #
sl@0: do_test tkt1644-1.4 {
sl@0:   execsql {
sl@0:     CREATE TEMP TABLE t1(x);
sl@0:   }
sl@0:   execsql {
sl@0:     SELECT * FROM t1;
sl@0:   }
sl@0: } {}
sl@0: 
sl@0: ifcapable view {
sl@0:   do_test tkt1644-2.1 {
sl@0:     execsql {
sl@0:       CREATE TEMP TABLE temp_t1(a, b);
sl@0:     }
sl@0:     set ::DB [sqlite3_connection_pointer db]
sl@0:     set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_t1" -1 DUMMY]
sl@0:     execsql {
sl@0:       DROP TABLE temp_t1;
sl@0:     }
sl@0:     list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
sl@0:   } {SQLITE_ERROR SQLITE_SCHEMA}
sl@0:   
sl@0:   do_test tkt1644-2.2 {
sl@0:     execsql {
sl@0:       CREATE TABLE real_t1(a, b);
sl@0:       CREATE TEMP VIEW temp_v1 AS SELECT * FROM real_t1;
sl@0:     }
sl@0:     set ::DB [sqlite3_connection_pointer db]
sl@0:     set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_v1" -1 DUMMY]
sl@0:     execsql {
sl@0:       DROP VIEW temp_v1;
sl@0:     }
sl@0:     list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
sl@0:   } {SQLITE_ERROR SQLITE_SCHEMA}
sl@0: 
sl@0:   do_test tkt1644-2.3 {
sl@0:     execsql {
sl@0:       CREATE TEMP VIEW temp_v1 AS SELECT * FROM real_t1 LIMIT 10 OFFSET 10;
sl@0:     }
sl@0:     set ::DB [sqlite3_connection_pointer db]
sl@0:     set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_v1" -1 DUMMY]
sl@0:     execsql {
sl@0:       DROP VIEW temp_v1;
sl@0:     }
sl@0:     list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
sl@0:   } {SQLITE_ERROR SQLITE_SCHEMA}
sl@0: }
sl@0: 
sl@0: 
sl@0: finish_test