boolean.out 7.85 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452
--
-- BOOLEAN
--
--
-- sanity check - if this fails go insane!
--
SELECT 1 AS one;
 one 
-----
   1
(1 row)

-- ******************testing built-in type bool********************
-- check bool input syntax
SELECT true AS true;
 true 
------
 t
(1 row)

SELECT false AS false;
 false 
-------
 f
(1 row)

SELECT bool 't' AS true;
 true 
------
 t
(1 row)

SELECT bool '   f           ' AS false;
 false 
-------
 f
(1 row)

SELECT bool 'true' AS true;
 true 
------
 t
(1 row)

SELECT bool 'test' AS error;
ERROR:  invalid input syntax for type boolean: "test"
LINE 1: SELECT bool 'test' AS error;
                    ^
SELECT bool 'false' AS false;
 false 
-------
 f
(1 row)

SELECT bool 'foo' AS error;
ERROR:  invalid input syntax for type boolean: "foo"
LINE 1: SELECT bool 'foo' AS error;
                    ^
SELECT bool 'y' AS true;
 true 
------
 t
(1 row)

SELECT bool 'yes' AS true;
 true 
------
 t
(1 row)

SELECT bool 'yeah' AS error;
ERROR:  invalid input syntax for type boolean: "yeah"
LINE 1: SELECT bool 'yeah' AS error;
                    ^
SELECT bool 'n' AS false;
 false 
-------
 f
(1 row)

SELECT bool 'no' AS false;
 false 
-------
 f
(1 row)

SELECT bool 'nay' AS error;
ERROR:  invalid input syntax for type boolean: "nay"
LINE 1: SELECT bool 'nay' AS error;
                    ^
SELECT bool 'on' AS true;
 true 
------
 t
(1 row)

SELECT bool 'off' AS false;
 false 
-------
 f
(1 row)

SELECT bool 'of' AS false;
 false 
-------
 f
(1 row)

SELECT bool 'o' AS error;
ERROR:  invalid input syntax for type boolean: "o"
LINE 1: SELECT bool 'o' AS error;
                    ^
SELECT bool 'on_' AS error;
ERROR:  invalid input syntax for type boolean: "on_"
LINE 1: SELECT bool 'on_' AS error;
                    ^
SELECT bool 'off_' AS error;
ERROR:  invalid input syntax for type boolean: "off_"
LINE 1: SELECT bool 'off_' AS error;
                    ^
SELECT bool '1' AS true;
 true 
------
 t
(1 row)

SELECT bool '11' AS error;
ERROR:  invalid input syntax for type boolean: "11"
LINE 1: SELECT bool '11' AS error;
                    ^
SELECT bool '0' AS false;
 false 
-------
 f
(1 row)

SELECT bool '000' AS error;
ERROR:  invalid input syntax for type boolean: "000"
LINE 1: SELECT bool '000' AS error;
                    ^
SELECT bool '' AS error;
ERROR:  invalid input syntax for type boolean: ""
LINE 1: SELECT bool '' AS error;
                    ^
-- and, or, not in qualifications
SELECT bool 't' or bool 'f' AS true;
 true 
------
 t
(1 row)

SELECT bool 't' and bool 'f' AS false;
 false 
-------
 f
(1 row)

SELECT not bool 'f' AS true;
 true 
------
 t
(1 row)

SELECT bool 't' = bool 'f' AS false;
 false 
-------
 f
(1 row)

SELECT bool 't' <> bool 'f' AS true;
 true 
------
 t
(1 row)

SELECT bool 't' > bool 'f' AS true;
 true 
------
 t
(1 row)

SELECT bool 't' >= bool 'f' AS true;
 true 
------
 t
(1 row)

SELECT bool 'f' < bool 't' AS true;
 true 
------
 t
(1 row)

SELECT bool 'f' <= bool 't' AS true;
 true 
------
 t
(1 row)

-- explicit casts to/from text
SELECT 'TrUe'::text::boolean AS true, 'fAlse'::text::boolean AS false;
 true | false 
------+-------
 t    | f
(1 row)

SELECT '    true   '::text::boolean AS true,
       '     FALSE'::text::boolean AS false;
 true | false 
------+-------
 t    | f
(1 row)

SELECT true::boolean::text AS true, false::boolean::text AS false;
 true | false 
------+-------
 true | false
(1 row)

SELECT '  tru e '::text::boolean AS invalid;    -- error
ERROR:  invalid input syntax for type boolean: "  tru e "
SELECT ''::text::boolean AS invalid;            -- error
ERROR:  invalid input syntax for type boolean: ""
CREATE TABLE BOOLTBL1 (f1 bool);
INSERT INTO BOOLTBL1 (f1) VALUES (bool 't');
INSERT INTO BOOLTBL1 (f1) VALUES (bool 'True');
INSERT INTO BOOLTBL1 (f1) VALUES (bool 'true');
-- BOOLTBL1 should be full of true's at this point 
SELECT '' AS t_3, BOOLTBL1.* FROM BOOLTBL1;
 t_3 | f1 
-----+----
     | t
     | t
     | t
(3 rows)

SELECT '' AS t_3, BOOLTBL1.*
   FROM BOOLTBL1
   WHERE f1 = bool 'true';
 t_3 | f1 
-----+----
     | t
     | t
     | t
(3 rows)

SELECT '' AS t_3, BOOLTBL1.* 
   FROM BOOLTBL1
   WHERE f1 <> bool 'false';
 t_3 | f1 
-----+----
     | t
     | t
     | t
(3 rows)

SELECT '' AS zero, BOOLTBL1.*
   FROM BOOLTBL1
   WHERE booleq(bool 'false', f1);
 zero | f1 
------+----
(0 rows)

INSERT INTO BOOLTBL1 (f1) VALUES (bool 'f');
SELECT '' AS f_1, BOOLTBL1.* 
   FROM BOOLTBL1
   WHERE f1 = bool 'false';
 f_1 | f1 
-----+----
     | f
(1 row)

CREATE TABLE BOOLTBL2 (f1 bool);
INSERT INTO BOOLTBL2 (f1) VALUES (bool 'f');
INSERT INTO BOOLTBL2 (f1) VALUES (bool 'false');
INSERT INTO BOOLTBL2 (f1) VALUES (bool 'False');
INSERT INTO BOOLTBL2 (f1) VALUES (bool 'FALSE');
-- This is now an invalid expression
-- For pre-v6.3 this evaluated to false - thomas 1997-10-23
INSERT INTO BOOLTBL2 (f1) 
   VALUES (bool 'XXX');  
ERROR:  invalid input syntax for type boolean: "XXX"
LINE 2:    VALUES (bool 'XXX');
                        ^
-- BOOLTBL2 should be full of false's at this point 
SELECT '' AS f_4, BOOLTBL2.* FROM BOOLTBL2;
 f_4 | f1 
-----+----
     | f
     | f
     | f
     | f
(4 rows)

SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
   FROM BOOLTBL1, BOOLTBL2
   WHERE BOOLTBL2.f1 <> BOOLTBL1.f1;
 tf_12 | f1 | f1 
-------+----+----
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
(12 rows)

SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
   FROM BOOLTBL1, BOOLTBL2
   WHERE boolne(BOOLTBL2.f1,BOOLTBL1.f1);
 tf_12 | f1 | f1 
-------+----+----
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
       | t  | f
(12 rows)

SELECT '' AS ff_4, BOOLTBL1.*, BOOLTBL2.*
   FROM BOOLTBL1, BOOLTBL2
   WHERE BOOLTBL2.f1 = BOOLTBL1.f1 and BOOLTBL1.f1 = bool 'false';
 ff_4 | f1 | f1 
------+----+----
      | f  | f
      | f  | f
      | f  | f
      | f  | f
(4 rows)

SELECT '' AS tf_12_ff_4, BOOLTBL1.*, BOOLTBL2.*
   FROM BOOLTBL1, BOOLTBL2
   WHERE BOOLTBL2.f1 = BOOLTBL1.f1 or BOOLTBL1.f1 = bool 'true'
   ORDER BY BOOLTBL1.f1, BOOLTBL2.f1;
 tf_12_ff_4 | f1 | f1 
------------+----+----
            | f  | f
            | f  | f
            | f  | f
            | f  | f
            | t  | f
            | t  | f
            | t  | f
            | t  | f
            | t  | f
            | t  | f
            | t  | f
            | t  | f
            | t  | f
            | t  | f
            | t  | f
            | t  | f
(16 rows)

--
-- SQL92 syntax
-- Try all combinations to ensure that we get nothing when we expect nothing
-- - thomas 2000-01-04
--
SELECT '' AS "True", f1
   FROM BOOLTBL1
   WHERE f1 IS TRUE;
 True | f1 
------+----
      | t
      | t
      | t
(3 rows)

SELECT '' AS "Not False", f1
   FROM BOOLTBL1
   WHERE f1 IS NOT FALSE;
 Not False | f1 
-----------+----
           | t
           | t
           | t
(3 rows)

SELECT '' AS "False", f1
   FROM BOOLTBL1
   WHERE f1 IS FALSE;
 False | f1 
-------+----
       | f
(1 row)

SELECT '' AS "Not True", f1
   FROM BOOLTBL1
   WHERE f1 IS NOT TRUE;
 Not True | f1 
----------+----
          | f
(1 row)

SELECT '' AS "True", f1
   FROM BOOLTBL2
   WHERE f1 IS TRUE;
 True | f1 
------+----
(0 rows)

SELECT '' AS "Not False", f1
   FROM BOOLTBL2
   WHERE f1 IS NOT FALSE;
 Not False | f1 
-----------+----
(0 rows)

SELECT '' AS "False", f1
   FROM BOOLTBL2
   WHERE f1 IS FALSE;
 False | f1 
-------+----
       | f
       | f
       | f
       | f
(4 rows)

SELECT '' AS "Not True", f1
   FROM BOOLTBL2
   WHERE f1 IS NOT TRUE;
 Not True | f1 
----------+----
          | f
          | f
          | f
          | f
(4 rows)

--
-- Clean up
-- Many tables are retained by the regression test, but these do not seem
--  particularly useful so just get rid of them for now.
--  - thomas 1997-11-30
--
DROP TABLE  BOOLTBL1;
DROP TABLE  BOOLTBL2;