gitlab.com/CoiaPrant/sqlite3@v1.19.1/testdata/tcl/whereI.test (about) 1 # 2014-03-31 2 # 3 # The author disclaims copyright to this source code. In place of 4 # a legal notice, here is a blessing: 5 # 6 # May you do good and not evil. 7 # May you find forgiveness for yourself and forgive others. 8 # May you share freely, never taking more than you give. 9 # 10 #*********************************************************************** 11 # The focus of this file is testing the OR optimization on WITHOUT ROWID 12 # tables. 13 # 14 15 set testdir [file dirname $argv0] 16 source $testdir/tester.tcl 17 set ::testprefix whereI 18 19 do_execsql_test 1.0 { 20 CREATE TABLE t1(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID; 21 INSERT INTO t1 VALUES(1, 'a', 'z'); 22 INSERT INTO t1 VALUES(2, 'b', 'y'); 23 INSERT INTO t1 VALUES(3, 'c', 'x'); 24 INSERT INTO t1 VALUES(4, 'd', 'w'); 25 CREATE INDEX i1 ON t1(b); 26 CREATE INDEX i2 ON t1(c); 27 } 28 29 do_eqp_test 1.1 { 30 SELECT a FROM t1 WHERE b='b' OR c='x' 31 } { 32 QUERY PLAN 33 `--MULTI-INDEX OR 34 |--INDEX 1 35 | `--SEARCH t1 USING INDEX i1 (b=?) 36 `--INDEX 2 37 `--SEARCH t1 USING INDEX i2 (c=?) 38 } 39 40 do_execsql_test 1.2 { 41 SELECT a FROM t1 WHERE b='b' OR c='x' 42 } {2 3} 43 44 do_execsql_test 1.3 { 45 SELECT a FROM t1 WHERE b='a' OR c='z' 46 } {1} 47 48 #---------------------------------------------------------------------- 49 # Try that again, this time with non integer PRIMARY KEY values. 50 # 51 do_execsql_test 2.0 { 52 CREATE TABLE t2(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID; 53 INSERT INTO t2 VALUES('i', 'a', 'z'); 54 INSERT INTO t2 VALUES('ii', 'b', 'y'); 55 INSERT INTO t2 VALUES('iii', 'c', 'x'); 56 INSERT INTO t2 VALUES('iv', 'd', 'w'); 57 CREATE INDEX i3 ON t2(b); 58 CREATE INDEX i4 ON t2(c); 59 } 60 61 do_eqp_test 2.1 { 62 SELECT a FROM t2 WHERE b='b' OR c='x' 63 } { 64 QUERY PLAN 65 `--MULTI-INDEX OR 66 |--INDEX 1 67 | `--SEARCH t2 USING INDEX i3 (b=?) 68 `--INDEX 2 69 `--SEARCH t2 USING INDEX i4 (c=?) 70 } 71 72 do_execsql_test 2.2 { 73 SELECT a FROM t2 WHERE b='b' OR c='x' 74 } {ii iii} 75 76 do_execsql_test 2.3 { 77 SELECT a FROM t2 WHERE b='a' OR c='z' 78 } {i} 79 80 #---------------------------------------------------------------------- 81 # On a table with a multi-column PK. 82 # 83 do_execsql_test 3.0 { 84 CREATE TABLE t3(a, b, c, d, PRIMARY KEY(c, b)) WITHOUT ROWID; 85 86 INSERT INTO t3 VALUES('f', 1, 1, 'o'); 87 INSERT INTO t3 VALUES('o', 2, 1, 't'); 88 INSERT INTO t3 VALUES('t', 1, 2, 't'); 89 INSERT INTO t3 VALUES('t', 2, 2, 'f'); 90 91 CREATE INDEX t3i1 ON t3(d); 92 CREATE INDEX t3i2 ON t3(a); 93 94 SELECT c||'.'||b FROM t3 WHERE a='t' OR d='t' 95 } { 96 2.1 2.2 1.2 97 } 98 99 finish_test