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231 lines
6.5 KiB
Plaintext
231 lines
6.5 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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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix delete4
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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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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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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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# 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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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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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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do_execsql_test 3.4 {
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PRAGMA integrity_check;
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} {ok}
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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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# Further tests for DELETE statements that use the OR optimization.
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#
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array unset -nocomplain res
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foreach {tn tbl} {
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0 { CREATE TABLE t5(i INTEGER, a, b, c) }
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1 {
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CREATE TABLE t5(i INTEGER PRIMARY KEY, a, b, c);
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CREATE INDEX t5a ON t5(a);
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CREATE INDEX t5bc ON t5(b, c);
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CREATE INDEX t5c ON t5(c);
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}
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2 {
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CREATE TABLE t5(i INT PRIMARY KEY, a, b, c) WITHOUT ROWID;
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CREATE INDEX t5a ON t5(a);
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CREATE INDEX t5bc ON t5(b, c);
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CREATE INDEX t5c ON t5(c);
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}
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} {
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do_test 5.$tn.0 {
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execsql { DROP TABLE IF EXISTS t5 }
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execsql $tbl
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for {set i 1} {$i <= 100} {incr i} {
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set a [expr $i*2]
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set b [expr ($i*7 % 100)]
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set c [expr 100-$i]
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execsql { INSERT INTO t5 VALUES($i, $a, $b, $c) }
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}
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} {}
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foreach {tn2 sql} {
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1 { DELETE FROM t5 WHERE a=4 OR b=10 OR c=17 }
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2 { DELETE FROM t5 WHERE (a=4 OR b=22) AND c=98 }
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3 { DELETE FROM t5 WHERE (b=49 AND c=93) OR a=14 }
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4 { DELETE FROM t5 WHERE (b=70 AND c=90) OR a=150 }
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5 { DELETE FROM t5 WHERE (a BETWEEN 2 AND 20) OR (b BETWEEN 1 AND 10) }
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6 { DELETE FROM t5 WHERE a IN (2, 4, 6, 8) OR b IN (63, 70, 77) }
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} {
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execsql BEGIN
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execsql $sql
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do_execsql_test 5.$tn.$tn2.1 { PRAGMA integrity_check } ok
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if {$tn==0} {
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set res($tn2) [db eval { SELECT count(*), md5sum(i, a, b, c) FROM t5 }]
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}
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do_execsql_test 5.$tn.$tn2.2 {
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SELECT count(*), md5sum(i, a, b, c) FROM t5
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} $res($tn2)
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execsql ROLLBACK
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}
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}
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#-------------------------------------------------------------------------
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# Test that nested OR optimizations work.
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#
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do_execsql_test 6.0 {
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CREATE TABLE t6(a, b, c, d);
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CREATE INDEX t6a ON t6(a);
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CREATE INDEX t6b ON t6(b);
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CREATE INDEX t6c ON t6(c);
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WITH s(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<1000 )
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INSERT INTO t6 SELECT i, i*2, i*3, i%2 FROM s;
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}
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proc do_61_test {tn sql lDel} {
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uplevel [list do_execsql_test $tn "
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BEGIN;
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$sql;
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WITH s(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<1000 )
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SELECT i FROM s EXCEPT SELECT a FROM t6 ORDER BY 1;
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ROLLBACK;
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" $lDel]
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}
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do_61_test 6.1 {
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DELETE FROM t6 WHERE a=22 OR b=90 OR (d=0 AND (b=400 OR c=303));
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} {22 45 200}
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do_61_test 6.2 {
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DELETE FROM t6 WHERE a=22 OR b=90 OR (d=1 AND (b=400 OR c=303));
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} {22 45 101}
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do_61_test 6.3 {
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DELETE FROM t6 WHERE (d=0 AND (a=100 OR b=150)) OR (d=1 AND (b=50 OR c=603));
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} {25 100 201}
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finish_test
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