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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727
|
--
-- Licensed to the Apache Software Foundation (ASF) under one or more
-- contributor license agreements. See the NOTICE file distributed with
-- this work for additional information regarding copyright ownership.
-- The ASF licenses this file to You under the Apache License, Version 2.0
-- (the "License"); you may not use this file except in compliance with
-- the License. You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- tests for cast expressions
-- refer to casting.java for a complete analysis on casting
--==================================
--
-- simple test cases
--
--==================================
-- shrink/grow bit and char
-- no exceptions should be raised.
-- expect a warning when shrinking non-space
-- shrink
values (cast ('hell' as char(2)));
values (cast ('hell' as varchar(2)));
-- shrink, whitespace only
values (cast ('he ' as char(2)));
-- expand, check lengths
values (cast ('hell' as char(20)));
values (cast ('hell' as varchar(20)));
values length(cast ('hell' as char(20)));
values length(cast ('hell' as varchar(20)));
----------------
--char->bit data
----------------
-- shrink
values (cast (X'1111' as char(1) for bit data));
-- shrink, zero only
values (cast (X'1100' as char(1) for bit data));
-- expand
values (cast (X'1111' as char(2) for bit data));
-- w/o format
-- DB2 UDB PASS
-- DB2 CS FAIL
values (cast ('1234' as char(2) for bit data));
-- extra tests for shrinking parts of bits
values cast (X'11111111' as char(1) for bit data);
values cast (X'01111111' as char(1) for bit data);
values cast (X'11111111' as char(1) for bit data);
values cast (X'01111111' as char(1) for bit data);
values cast (X'00111111' as char(1) for bit data);
values cast (X'11111111' as char(1) for bit data);
values cast (X'01111111' as char(1) for bit data);
values cast (X'00111111' as char(1) for bit data);
values cast (X'00011111' as char(1) for bit data);
values cast (X'11111111' as char(1) for bit data);
values cast (X'01111111' as char(1) for bit data);
values cast (X'00111111' as char(1) for bit data);
values cast (X'00011111' as char(1) for bit data);
values cast (X'00001111' as char(1) for bit data);
values cast (X'11111111' as char(1) for bit data);
values cast (X'01111111' as char(1) for bit data);
values cast (X'00111111' as char(1) for bit data);
values cast (X'00011111' as char(1) for bit data);
values cast (X'00001111' as char(1) for bit data);
values cast (X'00000111' as char(1) for bit data);
values cast (X'11111111' as char(1) for bit data);
values cast (X'01111111' as char(1) for bit data);
values cast (X'00111111' as char(1) for bit data);
values cast (X'00011111' as char(1) for bit data);
values cast (X'00001111' as char(1) for bit data);
values cast (X'00000111' as char(1) for bit data);
values cast (X'00000011' as char(1) for bit data);
values cast (X'11111111' as char(1) for bit data);
values cast (X'01111111' as char(1) for bit data);
values cast (X'00111111' as char(1) for bit data);
values cast (X'00011111' as char(1) for bit data);
values cast (X'00001111' as char(1) for bit data);
values cast (X'00000111' as char(1) for bit data);
values cast (X'00000011' as char(1) for bit data);
values cast (X'00000001' as char(1) for bit data);
values cast (X'0011111111111111' as char(1) for bit data);
values cast (X'1111111100111111' as char(2) for bit data);
---------
--numbers
---------
values (cast (1.1 as int));
values (cast (1.1 as smallint));
values (cast (1.1 as bigint));
values (cast (1.1 as double precision));
values (cast (1.1 as numeric(2,1)));
values (cast (1.1 as decimal(2,1)));
values (cast (1.1 as numeric(2,0)));
values (cast (1.1 as decimal(2,0)));
values (cast (1.1 as float));
values (cast (1.1 as real));
values (cast (1.9 as int));
values (cast (1.9 as smallint));
values (cast (1.9 as bigint));
values (cast (1.9 as double precision));
values (cast (1.9 as numeric(2,1)));
values (cast (1.9 as decimal(2,1)));
values (cast (1.9 as numeric(2,0)));
values (cast (1.9 as decimal(2,0)));
values (cast (1.9 as float));
values (cast (1.9 as real));
-- bug 4352,4358 loss of precision on casts
-- 9223372036854775807 is Long::MAX_VALUE
values (
9223372036854775807,
cast (9223372036854775807 as DECIMAL(24,1)),
cast (
cast (9223372036854775807 as DECIMAL(24,1)) as BIGINT)
);
values (
cast ('9223372036854775807' as DECIMAL(24,1)),
cast (cast ('9223372036854775807' as DECIMAL(24,1)) as BIGINT)
);
values (
cast ('9223372036854775806' as DECIMAL(24,1)),
cast (cast ('9223372036854775806' as DECIMAL(24,1)) as BIGINT)
);
-- only this should fail
values (
cast ('9223372036854775808' as DECIMAL(24,1)),
cast (cast ('9223372036854775808' as DECIMAL(24,1)) as BIGINT)
);
values (
cast ('9223372036854775807.9' as DECIMAL(24,1)),
cast (cast ('9223372036854775807.9' as DECIMAL(24,1)) as BIGINT)
);
-- -9223372036854775808 is Long::MIN_VALUE
values (
cast ('-9223372036854775808' as DECIMAL(24,1)),
cast (cast ('-9223372036854775808' as DECIMAL(24,1)) as BIGINT)
);
values (
cast ('-9223372036854775807' as DECIMAL(24,1)),
cast (cast ('-9223372036854775807' as DECIMAL(24,1)) as BIGINT)
);
-- only this should fail
values (
cast ('-9223372036854775809' as DECIMAL(24,1)),
cast (cast ('-9223372036854775809' as DECIMAL(24,1)) as BIGINT)
);
values (
cast ('-9223372036854775808.9' as DECIMAL(24,1)),
cast (cast ('-9223372036854775808.9' as DECIMAL(24,1)) as BIGINT)
);
values (
cast ('32767' as DECIMAL(24,1)),
cast (cast ('32767' as DECIMAL(24,1)) as SMALLINT)
);
values (
cast ('32766' as DECIMAL(24,1)),
cast (cast ('32766' as DECIMAL(24,1)) as SMALLINT)
);
values (
cast ('32768' as DECIMAL(24,1)),
cast (cast ('32768' as DECIMAL(24,1)) as SMALLINT)
);
-- only this should fail
values (
cast ('32767.9' as DECIMAL(24,1)),
cast (cast ('32767.9' as DECIMAL(24,1)) as SMALLINT)
);
values (
cast ('-32768' as DECIMAL(24,1)),
cast (cast ('-32768' as DECIMAL(24,1)) as SMALLINT)
);
values (
cast ('-32767' as DECIMAL(24,1)),
cast (cast ('-32767' as DECIMAL(24,1)) as SMALLINT)
);
-- only this should fail
values (
cast ('-32769' as DECIMAL(24,1)),
cast (cast ('-32769' as DECIMAL(24,1)) as SMALLINT)
);
values (
cast ('-32768.9' as DECIMAL(24,1)),
cast (cast ('-32768.9' as DECIMAL(24,1)) as SMALLINT)
);
values (
cast ('2147483647' as DECIMAL(24,1)),
cast (cast ('2147483647' as DECIMAL(24,1)) as INTEGER)
);
values (
cast ('2147483646' as DECIMAL(24,1)),
cast (cast ('2147483646' as DECIMAL(24,1)) as INTEGER)
);
-- only this should fail
values (
cast ('2147483648' as DECIMAL(24,1)),
cast (cast ('2147483648' as DECIMAL(24,1)) as INTEGER)
);
values (
cast ('2147483647.9' as DECIMAL(24,1)),
cast (cast ('2147483647.9' as DECIMAL(24,1)) as INTEGER)
);
values (
cast ('-2147483647' as DECIMAL(24,1)),
cast (cast ('-2147483647' as DECIMAL(24,1)) as INTEGER)
);
values (
cast ('-2147483646' as DECIMAL(24,1)),
cast (cast ('-2147483646' as DECIMAL(24,1)) as INTEGER)
);
-- only this should fail
values (
cast ('-2147483649' as DECIMAL(24,1)),
cast (cast ('-2147483649' as DECIMAL(24,1)) as INTEGER)
);
values (
cast ('-2147483648.9' as DECIMAL(24,1)),
cast (cast ('-2147483648.9' as DECIMAL(24,1)) as INTEGER)
);
--numbers to char
values (cast (1.1 as char(10)));
values (cast (1.1 as varchar(10)));
values (cast (1e1 as varchar(10)));
values (cast (1e1 as char(10)));
values (cast (1 as char(10)));
values (cast (1 as varchar(10)));
values (cast (1e200 as char(10)));
values (cast (1e200 as varchar(10)));
values (cast (1 as long varchar));
values (cast (1.1 as long varchar));
values (cast (1e1 as long varchar));
--char to numbers
values (cast ('123' as smallint));
values (cast ('123' as int));
values (cast ('123' as bigint));
values (cast ('123' as double precision));
values (cast ('123' as float));
values (cast ('123' as real));
values (cast ('123' as numeric(3,0)));
values (cast ('123' as decimal(3,0)));
-- char (with decimal) to numbers (truncates where needed Track #3756)
-- bug 5568
values (cast ('123.45' as smallint));
values (cast ('123.45' as int));
values (cast ('123.45' as bigint));
values (cast ('123.45' as double precision));
values (cast ('123.45' as float));
values (cast ('123.45' as real));
values (cast ('123.45' as numeric(5,1)));
values (cast ('123.45' as decimal(5,1)));
values (cast ('123.99' as smallint));
values (cast ('123.99' as int));
values (cast ('123.99' as bigint));
values (cast ('123.99' as double precision));
values (cast ('123.99' as float));
values (cast ('123.99' as real));
values (cast ('123.99' as numeric(5,1)));
values (cast ('123.99' as decimal(5,1)));
--bad
values (cast (1 as char(2) for bit data));
values (cast (1 as date));
values (cast (1 as time));
values (cast (1 as timestamp));
-------------------
--char -> date/time
-------------------
values (cast ('TIME''11:11:11''' as time));
values (cast ('11:11:11' as time));
values (cast ('DATE''1999-09-09''' as date));
values (cast ('1999-09-09' as date));
values (cast ('TIMESTAMP''1999-09-09 11:11:11''' as timestamp));
values (cast ('1999-09-09 11:11:11' as timestamp));
------------------
--date/time ->other
------------------
values (cast (TIME('11:11:11') as char(20)));
values (cast (DATE('1999-09-09') as char(20)));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as char(40)));
values (cast (TIME('11:11:11') as varchar(20)));
values (cast (DATE('1999-09-09') as varchar(20)));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as varchar(40)));
values (cast (TIME('11:11:11') as long varchar));
values (cast (DATE('1999-09-09') as long varchar));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as long varchar));
-- truncation errors
values (cast (TIME('11:11:11') as char(2)));
values (cast (DATE('1999-09-09') as char(2)));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as char(2)));
-- to date/time
values (cast (TIME('11:11:11') as time));
values (cast (TIME('11:11:11') as date));
-- this piece of convoluted logic is to ensure that we
-- get the current date for a conversion of time to timestamp
values substr(cast (cast (TIME('11:11:11') as timestamp) as char(50)), 1, 10) = cast (current_date as char(10));
-- now make sure we got the time right
values substr(cast (cast (TIME('11:11:11') as timestamp) as char(30)), 12);
values (cast (DATE('1999-09-09') as date));
values (cast (DATE('1999-09-09') as time));
values (cast (DATE('1999-09-09') as timestamp));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as date));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as time));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as timestamp));
--bad
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as int));
values (cast (DATE('1999-09-09') as int));
values (cast (TIME('11:11:11') as int));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as smallint));
values (cast (DATE('1999-09-09') as smallint));
values (cast (TIME('11:11:11') as smallint));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as bigint));
values (cast (DATE('1999-09-09') as bigint));
values (cast (TIME('11:11:11') as bigint));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as numeric));
values (cast (DATE('1999-09-09') as numeric));
values (cast (TIME('11:11:11') as numeric));
values (cast (TIMESTAMP('1999-09-09 11:11:11' )as decimal));
values (cast (DATE('1999-09-09') as decimal));
values (cast (TIME('11:11:11') as decimal));
values (cast (TIMESTAMP('1999-09-09 11:11:11' ) as char(13) for bit data));
values (cast (DATE('1999-09-09') as char(13) for bit data));
values (cast (TIME('11:11:11') as char(13) for bit data));
------------
--bit ->char
------------
values (cast (X'00680065006c006c006f' as char(10)));
--small bit
values (cast (X'11' as char(10)));
values (cast (X'11' as varchar(10)));
values (cast (X'11' as long varchar));
--values (cast (X'00' as char(10)));
--odd length won't work anymore
values (cast (X'123' as char(20)));
--truncate, (should be warning in future)
values (cast ('1234' as char(1) for bit data));
--truncate, ok
values (cast ('1200' as char(1) for bit data));
------------------------------------------------
-- Casting
-----------------------------------------------
create table tab1 (
i integer,
s integer,
b integer,
l bigint,
c char(10),
v varchar(10),
d double precision,
r real,
dt date,
t time,
ts timestamp,
dc decimal);
insert into tab1 values(1,
cast(1 as smallint),
cast(1 as int),
cast(1 as bigint),
'char',
'varchar',
cast(1.1 as double precision),
cast(1.1 as real),
DATE('1990-10-10'),
TIME('11:11:11'),
TIMESTAMP('1990-11-11 11:11:11'),
1.1);
insert into tab1 values (null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null,
null);
-- tab1 type -> its tab1 type
select cast(i as integer) from tab1;
select cast(s as smallint) from tab1;
select cast(l as bigint) from tab1;
select cast(c as char(10)) from tab1;
select cast(v as char varying(10)) from tab1;
select cast(d as double precision) from tab1;
select cast(r as float) from tab1;
select cast(dt as date) from tab1;
select cast(t as time) from tab1;
select cast(ts as timestamp) from tab1;
select cast(dc as dec) from tab1;
-- try a few others where we try all conversions
select cast(i as integer) from tab1;
select cast(i as smallint) from tab1;
select cast(i as bigint) from tab1;
select cast(i as char(10)) from tab1;
select cast(i as char varying(10)) from tab1;
select cast(i as double precision) from tab1;
select cast(i as float) from tab1;
select cast(i as date) from tab1;
select cast(i as time) from tab1;
select cast(i as timestamp) from tab1;
select cast(i as dec) from tab1;
-- try a few others
select cast(c as integer) from tab1;
select cast(c as smallint) from tab1;
select cast(c as bigint) from tab1;
select cast(c as char(10)) from tab1;
select cast(c as char varying(10)) from tab1;
select cast(c as double precision) from tab1;
select cast(c as float) from tab1;
select cast(c as date) from tab1;
select cast(c as time) from tab1;
select cast(c as timestamp) from tab1;
select cast(c as dec) from tab1;
select cast(t as integer) from tab1;
select cast(t as smallint) from tab1;
select cast(t as bigint) from tab1;
select cast(t as char(10)) from tab1;
select cast(t as char varying(10)) from tab1;
select cast(t as double precision) from tab1;
select cast(t as float) from tab1;
select cast(t as date) from tab1;
select cast(t as time) from tab1;
select cast(t as dec) from tab1;
drop table tab1;
---------------------------------------------------------------
-- Other Tests
---------------------------------------------------------------
autocommit off;
-- create tables
create table t1 (bt char(1) for bit data, btv varchar(1) for bit data,
c char(30), d double precision, i int, r real,
s smallint, dc decimal(18), num numeric(18),
dt date, t time, ts timestamp, v varchar(30),
lvc long varchar);
create table strings(c30 char(30));
-- we need a 1 row table with date/time columns because of problems
-- with single quotes in using 'values DATE('')'
create table temporal_values (dt date, t time, ts timestamp);
insert into temporal_values values(DATE('9876-5-4'), TIME('1:02:34'),
TIMESTAMP('9876-5-4 1:02:34'));
-- negative
-- pass wrong type for parameter
prepare a1 as 'values cast(? as smallint)';
execute a1 using 'values 1';
-- uninitialized parameter
values cast(? as int);
-- positive
-- test casting null to all builtin types
insert into t1 (bt) values cast(null as char(1) for bit data);
insert into t1 (btv) values cast(null as varchar(1) for bit data);
insert into t1 (c) values cast(null as char(30));
insert into t1 (d) values cast(null as double precision);
insert into t1 (i) values cast(null as int);
insert into t1 (r) values cast(null as real);
insert into t1 (s) values cast(null as smallint);
insert into t1 (dc) values cast(null as decimal);
insert into t1 (num) values cast(null as numeric);
insert into t1 (dt) values cast(null as date);
insert into t1 (t) values cast(null as time);
insert into t1 (ts) values cast(null as timestamp);
insert into t1 (v) values cast(null as varchar(30));
insert into t1 (lvc) values cast(null as long varchar);
-- expect 10 rows of nulls
select * from t1;
-- make sure casting works correctly on nulls
select cast (bt as char(1) for bit data) from t1;
select cast (btv as varchar(1) for bit data) from t1;
select cast (c as char(30)) from t1;
select cast (d as double precision) from t1;
select cast (r as real) from t1;
select cast (s as smallint) from t1;
select cast (num as numeric) from t1;
select cast (dc as decimal) from t1;
select cast (dt as date) from t1;
select cast (t as time) from t1;
select cast (ts as timestamp) from t1;
select cast (v as varchar(30)) from t1;
select cast (lvc as long varchar) from t1;
-- clean up t1
delete from t1;
-- test casting ? to all builtin types
prepare q1 as 'insert into t1 (bt) values cast(? as char(1) for bit data)';
prepare q2 as 'insert into t1 (btv) values cast(? as varchar(1) for bit data)';
prepare q4 as 'insert into t1 (c) values cast(? as char(30))';
prepare q5 as 'insert into t1 (d) values cast(? as double precision)';
prepare q6 as 'insert into t1 (i) values cast(? as int)';
prepare q7 as 'insert into t1 (r) values cast(? as real)';
prepare q8 as 'insert into t1 (s) values cast(? as smallint)';
prepare q10 as 'insert into t1 (num) values cast(? as numeric(18))';
prepare q11 as 'insert into t1 (dc) values cast(? as decimal(18))';
prepare q12 as 'insert into t1 (dt) values cast(? as date)';
prepare q13 as 'insert into t1 (t) values cast(? as time)';
prepare q14 as 'insert into t1 (ts) values cast(? as timestamp)';
prepare q15 as 'insert into t1 (v) values cast(? as varchar(30))';
prepare q16 as 'insert into t1 (lvc) values cast(? as long varchar)';
execute q1 using 'values X''aa''';
execute q2 using 'values X''aa''';
execute q4 using 'values char(123456)';
execute q5 using 'values 123456.78e0';
execute q6 using 'values 4321';
-- bug 5421 - support db2 udb compatible built-in functions
execute q7 using 'values REAL(4321.01234)';
execute q8 using 'values SMALLINT(12321)';
execute q10 using 'values 123456.78';
execute q11 using 'values 123456.78';
execute q12 using 'select dt from temporal_values';
execute q13 using 'select t from temporal_values';
execute q14 using 'select ts from temporal_values';
execute q15 using 'values char(654321)';
execute q16 using 'values char(987654)';
select * from t1;
-- clean up t1
delete from t1;
-- more ? tests
-- Truncation exception expected in non-parameter cases
-- RESOLVE, no truncation expected in parameter cases
-- where parameter value is not a string. This is
-- currently an "extension".
create table x(c1 char(1));
prepare param1 as 'insert into x values cast(? as char(1))';
insert into x values cast('12' as char(1));
execute param1 using 'values ''34''';
select * from x;
delete from x;
insert into x values cast(12 as char(1));
execute param1 using 'values 34';
select * from x;
delete from x;
insert into x values cast(time('12:12:12') as char(1));
execute param1 using 'values time(''21:12:12'')';
select * from x;
delete from x;
drop table x;
-- method resolution tests
-- clean up the prepared statements
remove a1;
remove q1;
remove q2;
remove q4;
remove q5;
remove q6;
remove q7;
remove q8;
remove q10;
remove q11;
remove q12;
remove q13;
remove q14;
remove q15;
-- reset autocomiit
commit;
autocommit on;
-- bind time casting tests
-- negative
values cast('asdf' as smallint);
values cast('asdf' as int);
values cast('asdf' as bigint);
values cast('asdf' as real);
values cast('asdf' as double precision);
values cast('asdf' as decimal(5,4));
values cast('asdf' as date);
values cast('asdf' as time);
values cast('asdf' as timestamp);
values cast('2999999999' as int);
values cast(2999999999 as int);
values cast('99999' as smallint);
values cast(99999 as smallint);
values cast(cast(99 as int) as char);
values cast(cast(-9 as int) as char);
values cast(cast(99 as smallint) as char);
values cast(cast(99 as bigint) as char);
values cast(cast(9.9 as real) as char);
values cast(cast(9.9 as double precision) as char);
-- positive
values cast(1 as int);
values cast(1 as smallint);
values cast(1 as bigint);
values cast(1 as char);
values cast('true' as char(4));
-- drop the tables
drop table t1;
drop table temporal_values;
drop table strings;
-- ISO time/timestamp formats
values (cast ('08.08.08' as TIME));
values (cast ('2001-01-01-08.08.08.123456' as TIMESTAMP));
-- char, varchar
values (char('abcde', 5));
values (char('abcde', 6));
values (char('abcde', 4));
values (varchar('', 20));
create table t1 (c5 date, c6 time, c7 timestamp, c8 char(5), c9 varchar(5));
insert into t1 values ('2003-09-10', '16:44:02', '2003-09-08 12:20:30.123456', 'abc', 'abcde');
insert into t1 values ('2005-09-10', '18.44.02', '2004-09-08-12.20.30.123456', 'cba', 'c');
select char(c5), char(c6), char(c7), char(c8), char(c9) from t1;
select varchar(c5), varchar(c6), varchar(c7), varchar(c8), varchar(c9) from t1;
select char(c8, 10), varchar(c9, 9) from t1;
select { fn concat(c8, char(c8)) } from t1;
select { fn concat(c8, varchar(c9)) } from t1;
select { fn concat(varchar(c9, 20), char(c8, 8)) } from t1;
select { fn concat(char(c9, 20), varchar(c8, 8)) } from t1;
-- clean up
drop table t1;
-- bug 5421 - support db2 udb compatible built-in functions
values CHAR(INT(67890));
values CHAR(INTEGER(12345));
values CHAR(DEC(67.21,4,2));
values CHAR(DECIMAL(67.10,4,2));
values CHAR(DOUBLE(5.55));
values CHAR(DOUBLE_PRECISION(5.555));
values CHAR(BIGINT(1));
values CHAR(BIGINT(-1));
values LENGTH(CAST('hello' AS CHAR(25)));
values LENGTH(CAST('hello' AS VARCHAR(25)));
values LENGTH(CAST('hello' AS LONG VARCHAR));
values CAST (X'03' as CHAR(5) for bit data);
values CAST (X'04' as VARCHAR(5) for bit data);
values CAST (X'05' as LONG VARCHAR for bit data);
-- clean up
drop table t1;
-- test some casting from a java type to standard SQL types.
-- should all fail at runtime
select cast (aliasinfo as BOOLEAN) from sys.sysaliases;
select cast (aliasinfo as SMALLINT) from sys.sysaliases;
select cast (aliasinfo as INTEGER) from sys.sysaliases;
select cast (aliasinfo as BIGINT) from sys.sysaliases;
select cast (aliasinfo as REAL) from sys.sysaliases;
select cast (aliasinfo as DOUBLE) from sys.sysaliases;
select cast (aliasinfo as DECIMAL(5,4)) from sys.sysaliases;
select cast (aliasinfo as CHAR(30) FOR BIT DATA) from sys.sysaliases;
select cast (aliasinfo as VARCHAR(30) FOR BIT DATA) from sys.sysaliases;
select cast (aliasinfo as LONG VARCHAR FOR BIT DATA) from sys.sysaliases;
select cast (aliasinfo as BLOB) from sys.sysaliases;
select cast (aliasinfo as CLOB) from sys.sysaliases where CAST(alias AS VARCHAR(128)) = 'INSTALL_JAR';
-- Java casts to character types excluding CLOB are supported using Object.toString
select cast (aliasinfo as CHAR(240)) from sys.sysaliases where CAST(alias AS VARCHAR(128)) = 'INSTALL_JAR';
select cast (aliasinfo as VARCHAR(240)) from sys.sysaliases where CAST(alias AS VARCHAR(128)) = 'INSTALL_JAR';
select cast (aliasinfo as LONG VARCHAR) from sys.sysaliases where CAST(alias AS VARCHAR(128)) = 'INSTALL_JAR';
|