Annotation of embedaddon/sqlite3/test/minmax3.test, revision 1.1
1.1 ! misho 1: # 2008 January 5
! 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: # $Id: minmax3.test,v 1.5 2008/07/12 14:52:20 drh Exp $
! 12:
! 13: set testdir [file dirname $argv0]
! 14: source $testdir/tester.tcl
! 15:
! 16: # Do not use a codec for tests in this file, as the database file is
! 17: # manipulated directly using tcl scripts (using the [hexio_write] command).
! 18: #
! 19: do_not_use_codec
! 20:
! 21: # Do an SQL statement. Append the search count to the end of the result.
! 22: #
! 23: proc count sql {
! 24: set ::sqlite_search_count 0
! 25: return [concat [execsql $sql] $::sqlite_search_count]
! 26: }
! 27:
! 28: # This procedure sets the value of the file-format in file 'test.db'
! 29: # to $newval. Also, the schema cookie is incremented.
! 30: #
! 31: proc set_file_format {newval} {
! 32: hexio_write test.db 44 [hexio_render_int32 $newval]
! 33: set schemacookie [hexio_get_int [hexio_read test.db 40 4]]
! 34: incr schemacookie
! 35: hexio_write test.db 40 [hexio_render_int32 $schemacookie]
! 36: return {}
! 37: }
! 38:
! 39: do_test minmax3-1.0 {
! 40: execsql {
! 41: CREATE TABLE t1(x, y, z);
! 42: }
! 43: db close
! 44: set_file_format 4
! 45: sqlite3 db test.db
! 46: execsql {
! 47: BEGIN;
! 48: INSERT INTO t1 VALUES('1', 'I', 'one');
! 49: INSERT INTO t1 VALUES('2', 'IV', 'four');
! 50: INSERT INTO t1 VALUES('2', NULL, 'three');
! 51: INSERT INTO t1 VALUES('2', 'II', 'two');
! 52: INSERT INTO t1 VALUES('2', 'V', 'five');
! 53: INSERT INTO t1 VALUES('3', 'VI', 'six');
! 54: COMMIT;
! 55: PRAGMA automatic_index=OFF;
! 56: }
! 57: } {}
! 58: do_test minmax3-1.1.1 {
! 59: # Linear scan.
! 60: count { SELECT max(y) FROM t1 WHERE x = '2'; }
! 61: } {V 5}
! 62: do_test minmax3-1.1.2 {
! 63: # Index optimizes the WHERE x='2' constraint.
! 64: execsql { CREATE INDEX i1 ON t1(x) }
! 65: count { SELECT max(y) FROM t1 WHERE x = '2'; }
! 66: } {V 9}
! 67: do_test minmax3-1.1.3 {
! 68: # Index optimizes the WHERE x='2' constraint and the MAX(y).
! 69: execsql { CREATE INDEX i2 ON t1(x,y) }
! 70: count { SELECT max(y) FROM t1 WHERE x = '2'; }
! 71: } {V 1}
! 72: do_test minmax3-1.1.4 {
! 73: # Index optimizes the WHERE x='2' constraint and the MAX(y).
! 74: execsql { DROP INDEX i2 ; CREATE INDEX i2 ON t1(x, y DESC) }
! 75: count { SELECT max(y) FROM t1 WHERE x = '2'; }
! 76: } {V 1}
! 77: do_test minmax3-1.1.5 {
! 78: count { SELECT max(y) FROM t1 WHERE x = '2' AND y != 'V'; }
! 79: } {IV 2}
! 80: do_test minmax3-1.1.6 {
! 81: count { SELECT max(y) FROM t1 WHERE x = '2' AND y < 'V'; }
! 82: } {IV 1}
! 83: do_test minmax3-1.1.6 {
! 84: count { SELECT max(y) FROM t1 WHERE x = '2' AND z != 'five'; }
! 85: } {IV 4}
! 86:
! 87: do_test minmax3-1.2.1 {
! 88: # Linear scan of t1.
! 89: execsql { DROP INDEX i1 ; DROP INDEX i2 }
! 90: count { SELECT min(y) FROM t1 WHERE x = '2'; }
! 91: } {II 5}
! 92: do_test minmax3-1.2.2 {
! 93: # Index i1 optimizes the WHERE x='2' constraint.
! 94: execsql { CREATE INDEX i1 ON t1(x) }
! 95: count { SELECT min(y) FROM t1 WHERE x = '2'; }
! 96: } {II 9}
! 97: do_test minmax3-1.2.3 {
! 98: # Index i2 optimizes the WHERE x='2' constraint and the min(y).
! 99: execsql { CREATE INDEX i2 ON t1(x,y) }
! 100: count { SELECT min(y) FROM t1 WHERE x = '2'; }
! 101: } {II 1}
! 102: do_test minmax3-1.2.4 {
! 103: # Index optimizes the WHERE x='2' constraint and the MAX(y).
! 104: execsql { DROP INDEX i2 ; CREATE INDEX i2 ON t1(x, y DESC) }
! 105: count { SELECT min(y) FROM t1 WHERE x = '2'; }
! 106: } {II 1}
! 107:
! 108: do_test minmax3-1.3.1 {
! 109: # Linear scan
! 110: execsql { DROP INDEX i1 ; DROP INDEX i2 }
! 111: count { SELECT min(y) FROM t1; }
! 112: } {I 5}
! 113: do_test minmax3-1.3.2 {
! 114: # Index i1 optimizes the min(y)
! 115: execsql { CREATE INDEX i1 ON t1(y) }
! 116: count { SELECT min(y) FROM t1; }
! 117: } {I 1}
! 118: do_test minmax3-1.3.3 {
! 119: # Index i1 optimizes the min(y)
! 120: execsql { DROP INDEX i1 ; CREATE INDEX i1 ON t1(y DESC) }
! 121: count { SELECT min(y) FROM t1; }
! 122: } {I 1}
! 123:
! 124: do_test minmax3-1.4.1 {
! 125: # Linear scan
! 126: execsql { DROP INDEX i1 }
! 127: count { SELECT max(y) FROM t1; }
! 128: } {VI 5}
! 129: do_test minmax3-1.4.2 {
! 130: # Index i1 optimizes the max(y)
! 131: execsql { CREATE INDEX i1 ON t1(y) }
! 132: count { SELECT max(y) FROM t1; }
! 133: } {VI 0}
! 134: do_test minmax3-1.4.3 {
! 135: # Index i1 optimizes the max(y)
! 136: execsql { DROP INDEX i1 ; CREATE INDEX i1 ON t1(y DESC) }
! 137: execsql { SELECT y from t1}
! 138: count { SELECT max(y) FROM t1; }
! 139: } {VI 0}
! 140: do_test minmax3-1.4.4 {
! 141: execsql { DROP INDEX i1 }
! 142: } {}
! 143:
! 144: do_test minmax3-2.1 {
! 145: execsql {
! 146: CREATE TABLE t2(a, b);
! 147: CREATE INDEX i3 ON t2(a, b);
! 148: INSERT INTO t2 VALUES(1, NULL);
! 149: INSERT INTO t2 VALUES(1, 1);
! 150: INSERT INTO t2 VALUES(1, 2);
! 151: INSERT INTO t2 VALUES(1, 3);
! 152: INSERT INTO t2 VALUES(2, NULL);
! 153: INSERT INTO t2 VALUES(2, 1);
! 154: INSERT INTO t2 VALUES(2, 2);
! 155: INSERT INTO t2 VALUES(2, 3);
! 156: INSERT INTO t2 VALUES(3, 1);
! 157: INSERT INTO t2 VALUES(3, 2);
! 158: INSERT INTO t2 VALUES(3, 3);
! 159: }
! 160: } {}
! 161: do_test minmax3-2.2 {
! 162: execsql { SELECT min(b) FROM t2 WHERE a = 1; }
! 163: } {1}
! 164: do_test minmax3-2.3 {
! 165: execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>1; }
! 166: } {2}
! 167: do_test minmax3-2.4 {
! 168: execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>-1; }
! 169: } {1}
! 170: do_test minmax3-2.5 {
! 171: execsql { SELECT min(b) FROM t2 WHERE a = 1; }
! 172: } {1}
! 173: do_test minmax3-2.6 {
! 174: execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<2; }
! 175: } {1}
! 176: do_test minmax3-2.7 {
! 177: execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<1; }
! 178: } {{}}
! 179: do_test minmax3-2.8 {
! 180: execsql { SELECT min(b) FROM t2 WHERE a = 3 AND b<1; }
! 181: } {{}}
! 182:
! 183: do_test minmax3-3.1 {
! 184: execsql {
! 185: DROP TABLE t2;
! 186: CREATE TABLE t2(a, b);
! 187: CREATE INDEX i3 ON t2(a, b DESC);
! 188: INSERT INTO t2 VALUES(1, NULL);
! 189: INSERT INTO t2 VALUES(1, 1);
! 190: INSERT INTO t2 VALUES(1, 2);
! 191: INSERT INTO t2 VALUES(1, 3);
! 192: INSERT INTO t2 VALUES(2, NULL);
! 193: INSERT INTO t2 VALUES(2, 1);
! 194: INSERT INTO t2 VALUES(2, 2);
! 195: INSERT INTO t2 VALUES(2, 3);
! 196: INSERT INTO t2 VALUES(3, 1);
! 197: INSERT INTO t2 VALUES(3, 2);
! 198: INSERT INTO t2 VALUES(3, 3);
! 199: }
! 200: } {}
! 201: do_test minmax3-3.2 {
! 202: execsql { SELECT min(b) FROM t2 WHERE a = 1; }
! 203: } {1}
! 204: do_test minmax3-3.3 {
! 205: execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>1; }
! 206: } {2}
! 207: do_test minmax3-3.4 {
! 208: execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>-1; }
! 209: } {1}
! 210: do_test minmax3-3.5 {
! 211: execsql { SELECT min(b) FROM t2 WHERE a = 1; }
! 212: } {1}
! 213: do_test minmax3-3.6 {
! 214: execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<2; }
! 215: } {1}
! 216: do_test minmax3-3.7 {
! 217: execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<1; }
! 218: } {{}}
! 219: do_test minmax3-3.8 {
! 220: execsql { SELECT min(b) FROM t2 WHERE a = 3 AND b<1; }
! 221: } {{}}
! 222:
! 223: do_test minmax3-4.1 {
! 224: execsql {
! 225: CREATE TABLE t4(x);
! 226: INSERT INTO t4 VALUES('abc');
! 227: INSERT INTO t4 VALUES('BCD');
! 228: SELECT max(x) FROM t4;
! 229: }
! 230: } {abc}
! 231: do_test minmax3-4.2 {
! 232: execsql {
! 233: SELECT max(x COLLATE nocase) FROM t4;
! 234: }
! 235: } {BCD}
! 236: do_test minmax3-4.3 {
! 237: execsql {
! 238: SELECT max(x), max(x COLLATE nocase) FROM t4;
! 239: }
! 240: } {abc BCD}
! 241: do_test minmax3-4.4 {
! 242: execsql {
! 243: SELECT max(x COLLATE binary), max(x COLLATE nocase) FROM t4;
! 244: }
! 245: } {abc BCD}
! 246: do_test minmax3-4.5 {
! 247: execsql {
! 248: SELECT max(x COLLATE nocase), max(x COLLATE rtrim) FROM t4;
! 249: }
! 250: } {BCD abc}
! 251: do_test minmax3-4.6 {
! 252: execsql {
! 253: SELECT max(x COLLATE nocase), max(x) FROM t4;
! 254: }
! 255: } {BCD abc}
! 256: do_test minmax3-4.10 {
! 257: execsql {
! 258: SELECT min(x) FROM t4;
! 259: }
! 260: } {BCD}
! 261: do_test minmax3-4.11 {
! 262: execsql {
! 263: SELECT min(x COLLATE nocase) FROM t4;
! 264: }
! 265: } {abc}
! 266: do_test minmax3-4.12 {
! 267: execsql {
! 268: SELECT min(x), min(x COLLATE nocase) FROM t4;
! 269: }
! 270: } {BCD abc}
! 271: do_test minmax3-4.13 {
! 272: execsql {
! 273: SELECT min(x COLLATE binary), min(x COLLATE nocase) FROM t4;
! 274: }
! 275: } {BCD abc}
! 276: do_test minmax3-4.14 {
! 277: execsql {
! 278: SELECT min(x COLLATE nocase), min(x COLLATE rtrim) FROM t4;
! 279: }
! 280: } {abc BCD}
! 281: do_test minmax3-4.15 {
! 282: execsql {
! 283: SELECT min(x COLLATE nocase), min(x) FROM t4;
! 284: }
! 285: } {abc BCD}
! 286:
! 287:
! 288: finish_test
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