|
| 1 | + |
| 2 | +# EVIDENCE-OF: R-52275-55503 When the right operand is an empty set, the |
| 3 | +# result of IN is false and the result of NOT IN is true, regardless of |
| 4 | +# the left operand and even if the left operand is NULL. |
| 5 | +# |
| 6 | + |
| 7 | +# EVIDENCE-OF: R-13595-45863 Note that SQLite allows the parenthesized |
| 8 | +# list of scalar values on the right-hand side of an IN or NOT IN |
| 9 | +# operator to be an empty list but most other SQL database database |
| 10 | +# engines and the SQL92 standard require the list to contain at least |
| 11 | +# one element. |
| 12 | +# |
| 13 | + |
| 14 | +# EVIDENCE-OF: R-50221-42915 The result of an IN or NOT IN operator is |
| 15 | +# determined by the following matrix: Left operand is NULL Right operand |
| 16 | +# contains NULL Right operand is an empty set Left operand found within |
| 17 | +# right operand Result of IN operator Result of NOT IN operator no no no |
| 18 | +# no false true does not matter no yes no false true no does not matter |
| 19 | +# no yes true false no yes no no NULL NULL yes does not matter no does |
| 20 | +# not matter NULL NULL |
| 21 | +# |
| 22 | + |
| 23 | +skipif oracle |
| 24 | +statement ok |
| 25 | +CREATE TABLE t1( x INTEGER, y TEXT ) |
| 26 | + |
| 27 | +onlyif oracle |
| 28 | +statement ok |
| 29 | +CREATE TABLE t1( x INTEGER, y VARCHAR(8) ) |
| 30 | + |
| 31 | +statement ok |
| 32 | +INSERT INTO t1 VALUES(1,'true') |
| 33 | + |
| 34 | +statement ok |
| 35 | +INSERT INTO t1 VALUES(0,'false') |
| 36 | + |
| 37 | +statement ok |
| 38 | +INSERT INTO t1 VALUES(NULL,'NULL') |
| 39 | + |
| 40 | +# Row 1: |
| 41 | + |
| 42 | +query I nosort |
| 43 | +SELECT 1 FROM t1 WHERE 1 IN (2) |
| 44 | +---- |
| 45 | + |
| 46 | +query I nosort |
| 47 | +SELECT 1 FROM t1 WHERE 1.0 IN (2.0) |
| 48 | +---- |
| 49 | + |
| 50 | +query I nosort |
| 51 | +SELECT 1 FROM t1 WHERE '1' IN ('2') |
| 52 | +---- |
| 53 | + |
| 54 | +query I nosort |
| 55 | +SELECT 1 FROM t1 WHERE 1 NOT IN (2) |
| 56 | +---- |
| 57 | +1 |
| 58 | +1 |
| 59 | +1 |
| 60 | + |
| 61 | +query I nosort |
| 62 | +SELECT 1 FROM t1 WHERE 1.0 NOT IN (2.0) |
| 63 | +---- |
| 64 | +1 |
| 65 | +1 |
| 66 | +1 |
| 67 | + |
| 68 | +query I nosort |
| 69 | +SELECT 1 FROM t1 WHERE '1' NOT IN ('2') |
| 70 | +---- |
| 71 | +1 |
| 72 | +1 |
| 73 | +1 |
| 74 | + |
| 75 | +# |
| 76 | +# Row 2: empty RHS |
| 77 | + |
| 78 | +skipif mysql # empty RHS |
| 79 | +skipif mssql # empty RHS |
| 80 | +skipif oracle # empty RHS |
| 81 | +query I nosort |
| 82 | +SELECT 1 FROM t1 WHERE 1 IN () |
| 83 | +---- |
| 84 | + |
| 85 | +skipif mysql # empty RHS |
| 86 | +skipif mssql # empty RHS |
| 87 | +skipif oracle # empty RHS |
| 88 | +query I nosort |
| 89 | +SELECT 1 FROM t1 WHERE 1.0 IN () |
| 90 | +---- |
| 91 | + |
| 92 | +skipif mysql # empty RHS |
| 93 | +skipif mssql # empty RHS |
| 94 | +skipif oracle # empty RHS |
| 95 | +query I nosort |
| 96 | +SELECT 1 FROM t1 WHERE '1' IN () |
| 97 | +---- |
| 98 | + |
| 99 | +skipif mysql # empty RHS |
| 100 | +skipif mssql # empty RHS |
| 101 | +skipif oracle # empty RHS |
| 102 | +query I nosort |
| 103 | +SELECT 1 FROM t1 WHERE NULL IN () |
| 104 | +---- |
| 105 | + |
| 106 | +skipif mysql # empty RHS |
| 107 | +skipif mssql # empty RHS |
| 108 | +skipif oracle # empty RHS |
| 109 | +query I nosort |
| 110 | +SELECT 1 FROM t1 WHERE 1 NOT IN () |
| 111 | +---- |
| 112 | +1 |
| 113 | +1 |
| 114 | +1 |
| 115 | + |
| 116 | +skipif mysql # empty RHS |
| 117 | +skipif mssql # empty RHS |
| 118 | +skipif oracle # empty RHS |
| 119 | +query I nosort |
| 120 | +SELECT 1 FROM t1 WHERE 1.0 NOT IN () |
| 121 | +---- |
| 122 | +1 |
| 123 | +1 |
| 124 | +1 |
| 125 | + |
| 126 | +skipif mysql # empty RHS |
| 127 | +skipif mssql # empty RHS |
| 128 | +skipif oracle # empty RHS |
| 129 | +query I nosort |
| 130 | +SELECT 1 FROM t1 WHERE '1' NOT IN () |
| 131 | +---- |
| 132 | +1 |
| 133 | +1 |
| 134 | +1 |
| 135 | + |
| 136 | +skipif mysql # empty RHS |
| 137 | +skipif mssql # empty RHS |
| 138 | +skipif oracle # empty RHS |
| 139 | +query I nosort |
| 140 | +SELECT 1 FROM t1 WHERE NULL NOT IN () |
| 141 | +---- |
| 142 | +1 |
| 143 | +1 |
| 144 | +1 |
| 145 | + |
| 146 | +# Row 3: |
| 147 | + |
| 148 | +query I nosort |
| 149 | +SELECT 1 FROM t1 WHERE 1 IN ( NULL, 1 ) |
| 150 | +---- |
| 151 | +1 |
| 152 | +1 |
| 153 | +1 |
| 154 | + |
| 155 | +query I nosort |
| 156 | +SELECT 1 FROM t1 WHERE 1.0 IN ( NULL, 1.0 ) |
| 157 | +---- |
| 158 | +1 |
| 159 | +1 |
| 160 | +1 |
| 161 | + |
| 162 | +query I nosort |
| 163 | +SELECT 1 FROM t1 WHERE '1' IN ( NULL, '1' ) |
| 164 | +---- |
| 165 | +1 |
| 166 | +1 |
| 167 | +1 |
| 168 | + |
| 169 | +query I nosort |
| 170 | +SELECT 1 FROM t1 WHERE 1 NOT IN ( NULL, 1 ) |
| 171 | +---- |
| 172 | + |
| 173 | +query I nosort |
| 174 | +SELECT 1 FROM t1 WHERE 1.0 NOT IN ( NULL, 1.0 ) |
| 175 | +---- |
| 176 | + |
| 177 | +query I nosort |
| 178 | +SELECT 1 FROM t1 WHERE '1' NOT IN ( NULL, '1' ) |
| 179 | +---- |
| 180 | + |
| 181 | +query I nosort |
| 182 | +SELECT 1 FROM t1 WHERE 1 IN ( 1 ) |
| 183 | +---- |
| 184 | +1 |
| 185 | +1 |
| 186 | +1 |
| 187 | + |
| 188 | +query I nosort |
| 189 | +SELECT 1 FROM t1 WHERE 1.0 IN ( 1.0 ) |
| 190 | +---- |
| 191 | +1 |
| 192 | +1 |
| 193 | +1 |
| 194 | + |
| 195 | +query I nosort |
| 196 | +SELECT 1 FROM t1 WHERE '1' IN ( '1' ) |
| 197 | +---- |
| 198 | +1 |
| 199 | +1 |
| 200 | +1 |
| 201 | + |
| 202 | +query I nosort |
| 203 | +SELECT 1 FROM t1 WHERE 1 NOT IN ( 1 ) |
| 204 | +---- |
| 205 | + |
| 206 | +query I nosort |
| 207 | +SELECT 1 FROM t1 WHERE 1.0 NOT IN ( 1.0 ) |
| 208 | +---- |
| 209 | + |
| 210 | +query I nosort |
| 211 | +SELECT 1 FROM t1 WHERE '1' NOT IN ( '1' ) |
| 212 | +---- |
| 213 | + |
| 214 | +# |
| 215 | +# Row 4: RHS contains NULL, LHS not in RHS |
| 216 | + |
| 217 | +query I nosort |
| 218 | +SELECT 1 FROM t1 WHERE 1 IN ( NULL, 2 ) |
| 219 | +---- |
| 220 | + |
| 221 | +query I nosort |
| 222 | +SELECT 1 FROM t1 WHERE 1.0 IN ( NULL, 2.0 ) |
| 223 | +---- |
| 224 | + |
| 225 | +query I nosort |
| 226 | +SELECT 1 FROM t1 WHERE '1' IN ( NULL, '2' ) |
| 227 | +---- |
| 228 | + |
| 229 | +query I nosort |
| 230 | +SELECT 1 FROM t1 WHERE 1 NOT IN ( NULL, 2 ) |
| 231 | +---- |
| 232 | + |
| 233 | +query I nosort |
| 234 | +SELECT 1 FROM t1 WHERE 1.0 NOT IN ( NULL, 2.0 ) |
| 235 | +---- |
| 236 | + |
| 237 | +query I nosort |
| 238 | +SELECT 1 FROM t1 WHERE '1' NOT IN ( NULL, '2' ) |
| 239 | +---- |
| 240 | + |
| 241 | +# |
| 242 | +# Row 5: LHS is NULL |
| 243 | + |
| 244 | +query I nosort |
| 245 | +SELECT 1 FROM t1 WHERE NULL IN ( 1 ) |
| 246 | +---- |
| 247 | + |
| 248 | +query I nosort |
| 249 | +SELECT 1 FROM t1 WHERE NULL IN ( 1.0 ) |
| 250 | +---- |
| 251 | + |
| 252 | +query I nosort |
| 253 | +SELECT 1 FROM t1 WHERE NULL IN ( '1' ) |
| 254 | +---- |
| 255 | + |
| 256 | +query I nosort |
| 257 | +SELECT 1 FROM t1 WHERE NULL NOT IN ( 1 ) |
| 258 | +---- |
| 259 | + |
| 260 | +query I nosort |
| 261 | +SELECT 1 FROM t1 WHERE NULL NOT IN ( 1.0 ) |
| 262 | +---- |
| 263 | + |
| 264 | +query I nosort |
| 265 | +SELECT 1 FROM t1 WHERE NULL NOT IN ( '1' ) |
| 266 | +---- |
| 267 | + |
| 268 | +query I nosort |
| 269 | +SELECT 1 FROM t1 WHERE NULL IN ( NULL, 1 ) |
| 270 | +---- |
| 271 | + |
| 272 | +query I nosort |
| 273 | +SELECT 1 FROM t1 WHERE NULL IN ( NULL, 1.0 ) |
| 274 | +---- |
| 275 | + |
| 276 | +query I nosort |
| 277 | +SELECT 1 FROM t1 WHERE NULL IN ( NULL, '1' ) |
| 278 | +---- |
| 279 | + |
| 280 | +query I nosort |
| 281 | +SELECT 1 FROM t1 WHERE NULL NOT IN ( NULL, 1 ) |
| 282 | +---- |
| 283 | + |
| 284 | +query I nosort |
| 285 | +SELECT 1 FROM t1 WHERE NULL NOT IN ( NULL, 1.0 ) |
| 286 | +---- |
| 287 | + |
| 288 | +query I nosort |
| 289 | +SELECT 1 FROM t1 WHERE NULL NOT IN ( NULL, '1' ) |
| 290 | +---- |
| 291 | + |
| 292 | +# EVIDENCE-OF: R-35033-20570 The subquery on the right of an IN or NOT |
| 293 | +# IN operator must be a scalar subquery if the left expression is not a |
| 294 | +# row value expression. |
| 295 | + |
| 296 | +query I nosort |
| 297 | +SELECT 1 FROM t1 WHERE 1 IN (SELECT 1) |
| 298 | +---- |
| 299 | +1 |
| 300 | +1 |
| 301 | +1 |
| 302 | + |
| 303 | +statement error |
| 304 | +SELECT 1 FROM t1 WHERE 1 IN (SELECT 1,2) |
| 305 | + |
| 306 | +statement error |
| 307 | +SELECT 1 FROM t1 WHERE 1 IN (SELECT x,y FROM t1) |
| 308 | + |
| 309 | +statement error |
| 310 | +SELECT 1 FROM t1 WHERE 1 IN (SELECT * FROM t1) |
| 311 | + |
| 312 | +statement error |
| 313 | +SELECT 1 FROM t1 WHERE 1 IN (SELECT min(x),max(x) FROM t1) |
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