Annotation of embedaddon/sqlite3/test/where5.test, revision 1.1
1.1 ! misho 1: # 2007 June 8
! 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: # This file implements regression tests for SQLite library. The
! 12: # focus of this file is testing NULL comparisons in the WHERE clause.
! 13: # See ticket #2404.
! 14: #
! 15: # $Id: where5.test,v 1.2 2007/06/08 08:43:10 drh Exp $
! 16:
! 17: set testdir [file dirname $argv0]
! 18: source $testdir/tester.tcl
! 19:
! 20: # Build some test data
! 21: #
! 22: do_test where5-1.0 {
! 23: execsql {
! 24: CREATE TABLE t1(x TEXT);
! 25: CREATE TABLE t2(x INTEGER);
! 26: CREATE TABLE t3(x INTEGER PRIMARY KEY);
! 27: INSERT INTO t1 VALUES(-1);
! 28: INSERT INTO t1 VALUES(0);
! 29: INSERT INTO t1 VALUES(1);
! 30: INSERT INTO t2 SELECT * FROM t1;
! 31: INSERT INTO t3 SELECT * FROM t2;
! 32: }
! 33: execsql {
! 34: SELECT * FROM t1 WHERE x<0
! 35: }
! 36: } {-1}
! 37: do_test where5-1.1 {
! 38: execsql {
! 39: SELECT * FROM t1 WHERE x<=0
! 40: }
! 41: } {-1 0}
! 42: do_test where5-1.2 {
! 43: execsql {
! 44: SELECT * FROM t1 WHERE x=0
! 45: }
! 46: } {0}
! 47: do_test where5-1.3 {
! 48: execsql {
! 49: SELECT * FROM t1 WHERE x>=0
! 50: }
! 51: } {0 1}
! 52: do_test where5-1.4 {
! 53: execsql {
! 54: SELECT * FROM t1 WHERE x>0
! 55: }
! 56: } {1}
! 57: do_test where5-1.5 {
! 58: execsql {
! 59: SELECT * FROM t1 WHERE x<>0
! 60: }
! 61: } {-1 1}
! 62: do_test where5-1.6 {
! 63: execsql {
! 64: SELECT * FROM t1 WHERE x<NULL
! 65: }
! 66: } {}
! 67: do_test where5-1.7 {
! 68: execsql {
! 69: SELECT * FROM t1 WHERE x<=NULL
! 70: }
! 71: } {}
! 72: do_test where5-1.8 {
! 73: execsql {
! 74: SELECT * FROM t1 WHERE x=NULL
! 75: }
! 76: } {}
! 77: do_test where5-1.9 {
! 78: execsql {
! 79: SELECT * FROM t1 WHERE x>=NULL
! 80: }
! 81: } {}
! 82: do_test where5-1.10 {
! 83: execsql {
! 84: SELECT * FROM t1 WHERE x>NULL
! 85: }
! 86: } {}
! 87: do_test where5-1.11 {
! 88: execsql {
! 89: SELECT * FROM t1 WHERE x!=NULL
! 90: }
! 91: } {}
! 92: do_test where5-1.12 {
! 93: execsql {
! 94: SELECT * FROM t1 WHERE x IS NULL
! 95: }
! 96: } {}
! 97: do_test where5-1.13 {
! 98: execsql {
! 99: SELECT * FROM t1 WHERE x IS NOT NULL
! 100: }
! 101: } {-1 0 1}
! 102:
! 103:
! 104: do_test where5-2.0 {
! 105: execsql {
! 106: SELECT * FROM t2 WHERE x<0
! 107: }
! 108: } {-1}
! 109: do_test where5-2.1 {
! 110: execsql {
! 111: SELECT * FROM t2 WHERE x<=0
! 112: }
! 113: } {-1 0}
! 114: do_test where5-2.2 {
! 115: execsql {
! 116: SELECT * FROM t2 WHERE x=0
! 117: }
! 118: } {0}
! 119: do_test where5-2.3 {
! 120: execsql {
! 121: SELECT * FROM t2 WHERE x>=0
! 122: }
! 123: } {0 1}
! 124: do_test where5-2.4 {
! 125: execsql {
! 126: SELECT * FROM t2 WHERE x>0
! 127: }
! 128: } {1}
! 129: do_test where5-2.5 {
! 130: execsql {
! 131: SELECT * FROM t2 WHERE x<>0
! 132: }
! 133: } {-1 1}
! 134: do_test where5-2.6 {
! 135: execsql {
! 136: SELECT * FROM t2 WHERE x<NULL
! 137: }
! 138: } {}
! 139: do_test where5-2.7 {
! 140: execsql {
! 141: SELECT * FROM t2 WHERE x<=NULL
! 142: }
! 143: } {}
! 144: do_test where5-2.8 {
! 145: execsql {
! 146: SELECT * FROM t2 WHERE x=NULL
! 147: }
! 148: } {}
! 149: do_test where5-2.9 {
! 150: execsql {
! 151: SELECT * FROM t2 WHERE x>=NULL
! 152: }
! 153: } {}
! 154: do_test where5-2.10 {
! 155: execsql {
! 156: SELECT * FROM t2 WHERE x>NULL
! 157: }
! 158: } {}
! 159: do_test where5-2.11 {
! 160: execsql {
! 161: SELECT * FROM t2 WHERE x!=NULL
! 162: }
! 163: } {}
! 164: do_test where5-2.12 {
! 165: execsql {
! 166: SELECT * FROM t2 WHERE x IS NULL
! 167: }
! 168: } {}
! 169: do_test where5-2.13 {
! 170: execsql {
! 171: SELECT * FROM t2 WHERE x IS NOT NULL
! 172: }
! 173: } {-1 0 1}
! 174:
! 175:
! 176: do_test where5-3.0 {
! 177: execsql {
! 178: SELECT * FROM t3 WHERE x<0
! 179: }
! 180: } {-1}
! 181: do_test where5-3.1 {
! 182: execsql {
! 183: SELECT * FROM t3 WHERE x<=0
! 184: }
! 185: } {-1 0}
! 186: do_test where5-3.2 {
! 187: execsql {
! 188: SELECT * FROM t3 WHERE x=0
! 189: }
! 190: } {0}
! 191: do_test where5-3.3 {
! 192: execsql {
! 193: SELECT * FROM t3 WHERE x>=0
! 194: }
! 195: } {0 1}
! 196: do_test where5-3.4 {
! 197: execsql {
! 198: SELECT * FROM t3 WHERE x>0
! 199: }
! 200: } {1}
! 201: do_test where5-3.5 {
! 202: execsql {
! 203: SELECT * FROM t3 WHERE x<>0
! 204: }
! 205: } {-1 1}
! 206: do_test where5-3.6 {
! 207: execsql {
! 208: SELECT * FROM t3 WHERE x<NULL
! 209: }
! 210: } {}
! 211: do_test where5-3.7 {
! 212: execsql {
! 213: SELECT * FROM t3 WHERE x<=NULL
! 214: }
! 215: } {}
! 216: do_test where5-3.8 {
! 217: execsql {
! 218: SELECT * FROM t3 WHERE x=NULL
! 219: }
! 220: } {}
! 221: do_test where5-3.9 {
! 222: execsql {
! 223: SELECT * FROM t3 WHERE x>=NULL
! 224: }
! 225: } {}
! 226: do_test where5-3.10 {
! 227: execsql {
! 228: SELECT * FROM t3 WHERE x>NULL
! 229: }
! 230: } {}
! 231: do_test where5-3.11 {
! 232: execsql {
! 233: SELECT * FROM t3 WHERE x!=NULL
! 234: }
! 235: } {}
! 236: do_test where5-3.12 {
! 237: execsql {
! 238: SELECT * FROM t3 WHERE x IS NULL
! 239: }
! 240: } {}
! 241: do_test where5-3.13 {
! 242: execsql {
! 243: SELECT * FROM t3 WHERE x IS NOT NULL
! 244: }
! 245: } {-1 0 1}
! 246:
! 247: do_test where5-4.0 {
! 248: execsql {
! 249: SELECT x<NULL FROM t3
! 250: }
! 251: } {{} {} {}}
! 252: do_test where5-4.1 {
! 253: execsql {
! 254: SELECT x<=NULL FROM t3
! 255: }
! 256: } {{} {} {}}
! 257: do_test where5-4.2 {
! 258: execsql {
! 259: SELECT x==NULL FROM t3
! 260: }
! 261: } {{} {} {}}
! 262: do_test where5-4.3 {
! 263: execsql {
! 264: SELECT x>NULL FROM t3
! 265: }
! 266: } {{} {} {}}
! 267: do_test where5-4.4 {
! 268: execsql {
! 269: SELECT x>=NULL FROM t3
! 270: }
! 271: } {{} {} {}}
! 272: do_test where5-4.5 {
! 273: execsql {
! 274: SELECT x!=NULL FROM t3
! 275: }
! 276: } {{} {} {}}
! 277: do_test where5-4.6 {
! 278: execsql {
! 279: SELECT x IS NULL FROM t3
! 280: }
! 281: } {0 0 0}
! 282: do_test where5-4.7 {
! 283: execsql {
! 284: SELECT x IS NOT NULL FROM t3
! 285: }
! 286: } {1 1 1}
! 287:
! 288: finish_test
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