146 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			146 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2005 August 24
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| #
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| # The author disclaims copyright to this source code.  In place of
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| # a legal notice, here is a blessing:
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| #
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| #    May you do good and not evil.
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| #    May you find forgiveness for yourself and forgive others.
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| #    May you share freely, never taking more than you give.
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| #
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| #***********************************************************************
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| # This file implements regression tests for SQLite library.  The
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| # focus of this script is a test of the DELETE command.
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| #
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| 
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| set testdir [file dirname $argv0]
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| source $testdir/tester.tcl
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| set testprefix delete4
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| 
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| do_execsql_test 1.1 {
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|   CREATE TABLE t1(x INTEGER PRIMARY KEY, y);
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|   INSERT INTO t1 VALUES(1, 0);
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|   INSERT INTO t1 VALUES(2, 1);
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|   INSERT INTO t1 VALUES(3, 0);
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|   INSERT INTO t1 VALUES(4, 1);
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|   INSERT INTO t1 VALUES(5, 0);
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|   INSERT INTO t1 VALUES(6, 1);
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|   INSERT INTO t1 VALUES(7, 0);
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|   INSERT INTO t1 VALUES(8, 1);
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| }
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| do_execsql_test 1.2 {
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|   DELETE FROM t1 WHERE y=1;
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| }
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| do_execsql_test 1.3 {
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|   SELECT x FROM t1;
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| } {1 3 5 7}
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| 
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| #-------------------------------------------------------------------------
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| #
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| reset_db
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| do_execsql_test 2.1 {
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|   CREATE TABLE t1(x INTEGER PRIMARY KEY, y, z);
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|   INSERT INTO t1 VALUES(1, 0, randomblob(200));
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|   INSERT INTO t1 VALUES(2, 1, randomblob(200));
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|   INSERT INTO t1 VALUES(3, 0, randomblob(200));
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|   INSERT INTO t1 VALUES(4, 1, randomblob(200));
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|   INSERT INTO t1 VALUES(5, 0, randomblob(200));
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|   INSERT INTO t1 VALUES(6, 1, randomblob(200));
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|   INSERT INTO t1 VALUES(7, 0, randomblob(200));
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|   INSERT INTO t1 VALUES(8, 1, randomblob(200));
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| }
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| do_execsql_test 2.2 {
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|   DELETE FROM t1 WHERE y=1;
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| }
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| do_execsql_test 2.3 {
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|   SELECT x FROM t1;
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| } {1 3 5 7}
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| 
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| 
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| #-------------------------------------------------------------------------
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| #
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| reset_db
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| do_execsql_test 3.1 {
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|   CREATE TABLE t1(a, b, PRIMARY KEY(a, b)) WITHOUT ROWID;
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|   INSERT INTO t1 VALUES(1, 2);
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|   INSERT INTO t1 VALUES(2, 4);
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|   INSERT INTO t1 VALUES(1, 5);
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|   DELETE FROM t1 WHERE a=1;
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|   SELECT * FROM t1;
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| } {2 4}
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| 
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| #-------------------------------------------------------------------------
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| # DELETE statement that uses the OR optimization
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| #
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| reset_db
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| do_execsql_test 3.1 {
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|   CREATE TABLE t1(i INTEGER PRIMARY KEY, a, b);
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|   CREATE INDEX i1a ON t1(a);
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|   CREATE INDEX i1b ON t1(b);
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|   INSERT INTO t1 VALUES(1, 'one', 'i');
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|   INSERT INTO t1 VALUES(2, 'two', 'ii');
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|   INSERT INTO t1 VALUES(3, 'three', 'iii');
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|   INSERT INTO t1 VALUES(4, 'four', 'iv');
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|   INSERT INTO t1 VALUES(5, 'one', 'i');
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|   INSERT INTO t1 VALUES(6, 'two', 'ii');
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|   INSERT INTO t1 VALUES(7, 'three', 'iii');
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|   INSERT INTO t1 VALUES(8, 'four', 'iv');
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| } {}
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| 
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| do_execsql_test 3.2 {
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|   DELETE FROM t1 WHERE a='two' OR b='iv';
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| }
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| 
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| do_execsql_test 3.3 {
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|   SELECT i FROM t1 ORDER BY i;
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| } {1 3 5 7}
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| 
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| do_execsql_test 3.4 { 
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|   PRAGMA integrity_check; 
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| } {ok}
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| 
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| # Between 2015-09-14 and 2015-09-28, the following test cases would result
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| # in corruption (wrong # of entries in index) due to a bug in the ONEPASS
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| # optimization.
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| #
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| do_execsql_test 4.1 {
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|   DROP TABLE IF EXISTS t4;
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|   CREATE TABLE t4(col0, col1);
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|   INSERT INTO "t4" VALUES(14, 'abcde');
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|   CREATE INDEX idx_t4_0 ON t4 (col1, col0);
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|   CREATE INDEX idx_t4_3 ON t4 (col0);
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|   DELETE FROM t4 WHERE col0=69 OR col0>7;
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|   PRAGMA integrity_check;
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| } {ok}
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| do_execsql_test 4.2 {
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|   DROP TABLE IF EXISTS t4;
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|   CREATE TABLE t4(col0, col1);
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|   INSERT INTO "t4" VALUES(14, 'abcde');
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|   CREATE INDEX idx_t4_3 ON t4 (col0);
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|   CREATE INDEX idx_t4_0 ON t4 (col1, col0);
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|   DELETE FROM t4 WHERE col0=69 OR col0>7;
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|   PRAGMA integrity_check;
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| } {ok}
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| do_execsql_test 4.11 {
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|   DROP TABLE IF EXISTS t4;
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|   CREATE TABLE t4(col0, col1, pk PRIMARY KEY) WITHOUT ROWID;
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|   INSERT INTO t4 VALUES(14, 'abcde','xyzzy');
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|   CREATE INDEX idx_t4_0 ON t4 (col1, col0);
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|   CREATE INDEX idx_t4_3 ON t4 (col0);
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|   DELETE FROM t4 WHERE col0=69 OR col0>7;
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|   PRAGMA integrity_check;
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| } {ok}
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| do_execsql_test 4.12 {
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|   DROP TABLE IF EXISTS t4;
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|   CREATE TABLE t4(col0, col1, pk PRIMARY KEY) WITHOUT ROWID;
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|   INSERT INTO t4 VALUES(14, 'abcde','xyzzy');
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|   CREATE INDEX idx_t4_3 ON t4 (col0);
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|   CREATE INDEX idx_t4_0 ON t4 (col1, col0);
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|   DELETE FROM t4 WHERE col0=69 OR col0>7;
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|   PRAGMA integrity_check;
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| } {ok}
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| 
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| 
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| 
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| 
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| finish_test
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