# 2021 May 27 # # 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. # #*********************************************************************** # Tests focused on the "constant propagation" that occurs within the # WHERE clause of a SELECT statemente. # set testdir [file dirname $argv0] source $testdir/tester.tcl source $testdir/malloc_common.tcl set testprefix whereM do_execsql_test 1.0 { CREATE TABLE t1(a, b INTEGER, c TEXT, d REAL, e BLOB); INSERT INTO t1 VALUES(10.0, 10.0, 10.0, 10.0, 10.0); SELECT * FROM t1; } { 10.0 10 10.0 10.0 10.0 } do_execsql_test 1.1.1 { SELECT a=10, a = '10.0', a LIKE '10.0' FROM t1; } {1 0 1} do_execsql_test 1.1.2 { SELECT count(*) FROM t1 WHERE a=10 AND a = '10.0' } {0} do_execsql_test 1.1.3 { SELECT count(*) FROM t1 WHERE a=10 AND a LIKE '10.0' } {1} do_execsql_test 1.1.4 { SELECT count(*) FROM t1 WHERE a='10.0' AND a LIKE '10.0' } {0} do_execsql_test 1.2.1 { SELECT b=10, b = '10.0', b LIKE '10.0', b LIKE '10' FROM t1; } {1 1 0 1} do_execsql_test 1.2.2 { SELECT count(*) FROM t1 WHERE b=10 AND b = '10.0' } {1} do_execsql_test 1.2.3 { SELECT count(*) FROM t1 WHERE b=10 AND b LIKE '10.0' } {0} do_execsql_test 1.2.4 { SELECT count(*) FROM t1 WHERE b='10.0' AND b LIKE '10.0' } {0} do_execsql_test 1.2.3 { SELECT count(*) FROM t1 WHERE b=10 AND b LIKE '10' } {1} do_execsql_test 1.2.4 { SELECT count(*) FROM t1 WHERE b='10.0' AND b LIKE '10' } {1} do_execsql_test 1.3.1 { SELECT c=10, c = 10.0, c = '10.0', c LIKE '10.0' FROM t1; } {0 1 1 1} do_execsql_test 1.3.2 { SELECT count(*) FROM t1 WHERE c=10 AND c = '10.0' } {0} do_execsql_test 1.3.3 { SELECT count(*) FROM t1 WHERE c=10 AND c LIKE '10.0' } {0} do_execsql_test 1.3.4 { SELECT count(*) FROM t1 WHERE c='10.0' AND c LIKE '10.0' } {1} do_execsql_test 1.3.5 { SELECT count(*) FROM t1 WHERE c=10.0 AND c = '10.0' } {1} do_execsql_test 1.3.6 { SELECT count(*) FROM t1 WHERE c=10.0 AND c LIKE '10.0' } {1} do_execsql_test 1.4.1 { SELECT d=10, d = 10.0, d = '10.0', d LIKE '10.0', d LIKE '10' FROM t1; } {1 1 1 1 0} do_execsql_test 1.4.2 { SELECT count(*) FROM t1 WHERE d=10 AND d = '10.0' } {1} do_execsql_test 1.4.3 { SELECT count(*) FROM t1 WHERE d=10 AND d LIKE '10.0' } {1} do_execsql_test 1.4.4 { SELECT count(*) FROM t1 WHERE d='10.0' AND d LIKE '10.0' } {1} do_execsql_test 1.4.5 { SELECT count(*) FROM t1 WHERE d='10' AND d LIKE '10.0' } {1} do_execsql_test 1.5.1 { SELECT e=10, e = '10.0', e LIKE '10.0', e LIKE '10' FROM t1; } {1 0 1 0} do_execsql_test 1.5.2 { SELECT count(*) FROM t1 WHERE e=10 AND e = '10.0' } {0} do_execsql_test 1.5.3 { SELECT count(*) FROM t1 WHERE e=10 AND e LIKE '10.0' } {1} do_execsql_test 1.5.4 { SELECT count(*) FROM t1 WHERE e='10.0' AND e LIKE '10.0' } {0} do_execsql_test 1.5.5 { SELECT count(*) FROM t1 WHERE e=10.0 AND e LIKE '10.0' } {1} finish_test