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Annotation of embedaddon/sqlite3/test/tkt1644.test, revision 1.1.1.1

1.1       misho       1: # 2006 January 30
                      2: #
                      3: # The author disclaims copyright to this source code.  In place of
                      4: # a legal notice, here is a blessing:
                      5: #
                      6: #    May you do good and not evil.
                      7: #    May you find forgiveness for yourself and forgive others.
                      8: #    May you share freely, never taking more than you give.
                      9: #
                     10: #***********************************************************************
                     11: # This file implements regression tests for SQLite library.
                     12: #
                     13: # This file implements tests to verify that ticket #1644 is
                     14: # fixed.  Ticket #1644 complains that precompiled statements
                     15: # are not expired correctly as a result of changes to TEMP
                     16: # views and triggers.
                     17: #
                     18: 
                     19: set testdir [file dirname $argv0]
                     20: source $testdir/tester.tcl
                     21: 
                     22: ifcapable !tempdb||!view {
                     23:   finish_test
                     24:   return
                     25: }  
                     26: 
                     27: # Create two tables T1 and T2 and make V1 point to T1.
                     28: do_test tkt1644-1.1 {
                     29:   execsql {
                     30:     CREATE TABLE t1(a);
                     31:     INSERT INTO t1 VALUES(1);
                     32:     CREATE TABLE t2(b);
                     33:     INSERT INTO t2 VALUES(99);
                     34:     CREATE TEMP VIEW v1 AS SELECT * FROM t1;
                     35:     SELECT * FROM v1;
                     36:   }
                     37: } {1}
                     38: 
                     39: # The "SELECT * FROM v1" should be in the TCL interface cache below.
                     40: # It will continue to point to T1 unless the cache is invalidated when
                     41: # the view changes.
                     42: #
                     43: do_test tkt1644-1.2 {
                     44:   execsql {
                     45:     DROP VIEW v1;
                     46:     CREATE TEMP VIEW v1 AS SELECT * FROM t2;
                     47:     SELECT * FROM v1;
                     48:   }
                     49: } {99}
                     50: 
                     51: # Cache an access to the T1 table.
                     52: #
                     53: do_test tkt1644-1.3 {
                     54:   execsql {
                     55:     SELECT * FROM t1;
                     56:   }
                     57: } {1}
                     58: 
                     59: # Create a temp table T1.  Make sure the cache is invalidated so that
                     60: # the statement is recompiled and refers to the empty temp table.
                     61: #
                     62: do_test tkt1644-1.4 {
                     63:   execsql {
                     64:     CREATE TEMP TABLE t1(x);
                     65:   }
                     66:   execsql {
                     67:     SELECT * FROM t1;
                     68:   }
                     69: } {}
                     70: 
                     71: ifcapable view {
                     72:   do_test tkt1644-2.1 {
                     73:     execsql {
                     74:       CREATE TEMP TABLE temp_t1(a, b);
                     75:     }
                     76:     set ::DB [sqlite3_connection_pointer db]
                     77:     set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_t1" -1 DUMMY]
                     78:     execsql {
                     79:       DROP TABLE temp_t1;
                     80:     }
                     81:     list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
                     82:   } {SQLITE_ERROR SQLITE_SCHEMA}
                     83:   
                     84:   do_test tkt1644-2.2 {
                     85:     execsql {
                     86:       CREATE TABLE real_t1(a, b);
                     87:       CREATE TEMP VIEW temp_v1 AS SELECT * FROM real_t1;
                     88:     }
                     89:     set ::DB [sqlite3_connection_pointer db]
                     90:     set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_v1" -1 DUMMY]
                     91:     execsql {
                     92:       DROP VIEW temp_v1;
                     93:     }
                     94:     list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
                     95:   } {SQLITE_ERROR SQLITE_SCHEMA}
                     96: 
                     97:   do_test tkt1644-2.3 {
                     98:     execsql {
                     99:       CREATE TEMP VIEW temp_v1 AS SELECT * FROM real_t1 LIMIT 10 OFFSET 10;
                    100:     }
                    101:     set ::DB [sqlite3_connection_pointer db]
                    102:     set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_v1" -1 DUMMY]
                    103:     execsql {
                    104:       DROP VIEW temp_v1;
                    105:     }
                    106:     list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
                    107:   } {SQLITE_ERROR SQLITE_SCHEMA}
                    108: }
                    109: 
                    110: 
                    111: finish_test