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Annotation of embedaddon/sqlite3/test/tkt3810.test, revision 1.1.1.1

1.1       misho       1: # 2009 August 1
                      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: #
                     12: # Tests to make sure #3810 is fixed.
                     13: #
                     14: # $Id: tkt3810.test,v 1.4 2009/08/06 17:43:31 drh Exp $
                     15: 
                     16: set testdir [file dirname $argv0]
                     17: source $testdir/tester.tcl
                     18: ifcapable {!trigger} {
                     19:   finish_test
                     20:   return
                     21: }
                     22: 
                     23: # Create a table using the first database connection.
                     24: #
                     25: do_test tkt3810-1.1 {
                     26:   execsql {
                     27:     CREATE TABLE t1(x);
                     28:     INSERT INTO t1 VALUES(123);
                     29:     SELECT * FROM t1;
                     30:     CREATE TABLE t2(y);
                     31:     CREATE TABLE t3(z);
                     32:   }
                     33: } 123
                     34: 
                     35: # Create a second connection to the same database.  Make sure the
                     36: # schema of the database has been parsed by the second connection.
                     37: #
                     38: do_test tkt3810-2 {
                     39:   sqlite3 db2 test.db
                     40:   execsql {
                     41:     SELECT * FROM t1;
                     42:   } db2
                     43: } 123
                     44: 
                     45: # DROP the table using the second connection.  The table no longer exists
                     46: # but the first connection does not yet know this.  Then try to create a TEMP
                     47: # trigger in the first connection that references the table that was dropped.
                     48: #
                     49: do_test tkt3810-3 {
                     50:   execsql {DROP TABLE t1} db2
                     51:   execsql {
                     52:      CREATE TEMP TRIGGER r1 AFTER INSERT ON t1 BEGIN
                     53:        INSERT INTO t2 VALUES(new.rowid);
                     54:      END;
                     55:   }
                     56:   catchsql {
                     57:     SELECT * FROM t3;
                     58:   }
                     59: } {0 {}}
                     60: 
                     61: # Trigger still exists in the sqlite_temp_master table, but now it is
                     62: # an orphan.
                     63: #
                     64: do_test tkt3810-4 {
                     65:   execsql {SELECT name FROM sqlite_temp_master ORDER BY name}
                     66: } {r1}
                     67: 
                     68: # Because it is an orphan, it cannot be dropped.
                     69: #
                     70: do_test tkt3810-5 {
                     71:   catchsql {DROP TRIGGER r1}
                     72: } {1 {no such trigger: r1}}
                     73: 
                     74: # Create a table t1 then drop the table in order to drop the orphaned
                     75: # trigger.
                     76: #
                     77: do_test tkt3810-6 {
                     78:   execsql {CREATE TABLE t1(x)} db2
                     79:   execsql {DROP TABLE t1}
                     80:   execsql {
                     81:     SELECT name FROM sqlite_temp_master;
                     82:   }
                     83: } {}
                     84: 
                     85: db2 close
                     86: 
                     87: finish_test