| # 2014-03-31 |
| # |
| # The author disclaims copyright to this source code. In place of |
| # a legal notice, here is a blessing: |
| # |
| # May you do good and not evil. |
| # May you find forgiveness for yourself and forgive others. |
| # May you share freely, never taking more than you give. |
| # |
| #*********************************************************************** |
| # The focus of this file is testing the OR optimization on WITHOUT ROWID |
| # tables. |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| set ::testprefix whereI |
| |
| do_execsql_test 1.0 { |
| CREATE TABLE t1(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID; |
| INSERT INTO t1 VALUES(1, 'a', 'z'); |
| INSERT INTO t1 VALUES(2, 'b', 'y'); |
| INSERT INTO t1 VALUES(3, 'c', 'x'); |
| INSERT INTO t1 VALUES(4, 'd', 'w'); |
| CREATE INDEX i1 ON t1(b); |
| CREATE INDEX i2 ON t1(c); |
| } |
| |
| do_eqp_test 1.1 { |
| SELECT a FROM t1 WHERE b='b' OR c='x' |
| } { |
| QUERY PLAN |
| `--MULTI-INDEX OR |
| |--INDEX 1 |
| | `--SEARCH TABLE t1 USING INDEX i1 (b=?) |
| `--INDEX 2 |
| `--SEARCH TABLE t1 USING INDEX i2 (c=?) |
| } |
| |
| do_execsql_test 1.2 { |
| SELECT a FROM t1 WHERE b='b' OR c='x' |
| } {2 3} |
| |
| do_execsql_test 1.3 { |
| SELECT a FROM t1 WHERE b='a' OR c='z' |
| } {1} |
| |
| #---------------------------------------------------------------------- |
| # Try that again, this time with non integer PRIMARY KEY values. |
| # |
| do_execsql_test 2.0 { |
| CREATE TABLE t2(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID; |
| INSERT INTO t2 VALUES('i', 'a', 'z'); |
| INSERT INTO t2 VALUES('ii', 'b', 'y'); |
| INSERT INTO t2 VALUES('iii', 'c', 'x'); |
| INSERT INTO t2 VALUES('iv', 'd', 'w'); |
| CREATE INDEX i3 ON t2(b); |
| CREATE INDEX i4 ON t2(c); |
| } |
| |
| do_eqp_test 2.1 { |
| SELECT a FROM t2 WHERE b='b' OR c='x' |
| } { |
| QUERY PLAN |
| `--MULTI-INDEX OR |
| |--INDEX 1 |
| | `--SEARCH TABLE t2 USING INDEX i3 (b=?) |
| `--INDEX 2 |
| `--SEARCH TABLE t2 USING INDEX i4 (c=?) |
| } |
| |
| do_execsql_test 2.2 { |
| SELECT a FROM t2 WHERE b='b' OR c='x' |
| } {ii iii} |
| |
| do_execsql_test 2.3 { |
| SELECT a FROM t2 WHERE b='a' OR c='z' |
| } {i} |
| |
| #---------------------------------------------------------------------- |
| # On a table with a multi-column PK. |
| # |
| do_execsql_test 3.0 { |
| CREATE TABLE t3(a, b, c, d, PRIMARY KEY(c, b)) WITHOUT ROWID; |
| |
| INSERT INTO t3 VALUES('f', 1, 1, 'o'); |
| INSERT INTO t3 VALUES('o', 2, 1, 't'); |
| INSERT INTO t3 VALUES('t', 1, 2, 't'); |
| INSERT INTO t3 VALUES('t', 2, 2, 'f'); |
| |
| CREATE INDEX t3i1 ON t3(d); |
| CREATE INDEX t3i2 ON t3(a); |
| |
| SELECT c||'.'||b FROM t3 WHERE a='t' OR d='t' |
| } { |
| 2.1 2.2 1.2 |
| } |
| |
| finish_test |