# 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' } { 0 0 0 {SEARCH TABLE t1 USING INDEX i1 (b=?)} 0 0 0 {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' } { 0 0 0 {SEARCH TABLE t2 USING INDEX i3 (b=?)} 0 0 0 {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