92 lines
2.3 KiB
Plaintext
92 lines
2.3 KiB
Plaintext
# 2014-03-31
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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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# The focus of this file is testing the OR optimization on WITHOUT ROWID
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# tables.
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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 whereI
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do_execsql_test 1.0 {
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CREATE TABLE t1(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID;
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INSERT INTO t1 VALUES(1, 'a', 'z');
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INSERT INTO t1 VALUES(2, 'b', 'y');
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INSERT INTO t1 VALUES(3, 'c', 'x');
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INSERT INTO t1 VALUES(4, 'd', 'w');
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CREATE INDEX i1 ON t1(b);
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CREATE INDEX i2 ON t1(c);
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}
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do_eqp_test 1.1 {
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SELECT a FROM t1 WHERE b='b' OR c='x'
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} {
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0 0 0 {SEARCH TABLE t1 USING INDEX i1 (b=?)}
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0 0 0 {SEARCH TABLE t1 USING INDEX i2 (c=?)}
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}
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do_execsql_test 1.2 {
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SELECT a FROM t1 WHERE b='b' OR c='x'
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} {2 3}
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do_execsql_test 1.3 {
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SELECT a FROM t1 WHERE b='a' OR c='z'
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} {1}
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#----------------------------------------------------------------------
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# Try that again, this time with non integer PRIMARY KEY values.
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#
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do_execsql_test 2.0 {
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CREATE TABLE t2(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID;
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INSERT INTO t2 VALUES('i', 'a', 'z');
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INSERT INTO t2 VALUES('ii', 'b', 'y');
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INSERT INTO t2 VALUES('iii', 'c', 'x');
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INSERT INTO t2 VALUES('iv', 'd', 'w');
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CREATE INDEX i3 ON t2(b);
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CREATE INDEX i4 ON t2(c);
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}
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do_eqp_test 2.1 {
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SELECT a FROM t2 WHERE b='b' OR c='x'
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} {
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0 0 0 {SEARCH TABLE t2 USING INDEX i3 (b=?)}
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0 0 0 {SEARCH TABLE t2 USING INDEX i4 (c=?)}
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}
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do_execsql_test 2.2 {
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SELECT a FROM t2 WHERE b='b' OR c='x'
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} {ii iii}
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do_execsql_test 2.3 {
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SELECT a FROM t2 WHERE b='a' OR c='z'
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} {i}
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#----------------------------------------------------------------------
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# On a table with a multi-column PK.
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#
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do_execsql_test 3.0 {
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CREATE TABLE t3(a, b, c, d, PRIMARY KEY(c, b)) WITHOUT ROWID;
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INSERT INTO t3 VALUES('f', 1, 1, 'o');
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INSERT INTO t3 VALUES('o', 2, 1, 't');
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INSERT INTO t3 VALUES('t', 1, 2, 't');
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INSERT INTO t3 VALUES('t', 2, 2, 'f');
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CREATE INDEX t3i1 ON t3(d);
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CREATE INDEX t3i2 ON t3(a);
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SELECT c||'.'||b FROM t3 WHERE a='t' OR d='t'
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} {
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2.1 2.2 1.2
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}
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finish_test
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