2 -- Test citext datatype
6 -- first, define the datatype. Turn off echoing so that expected file
7 -- does not depend on contents of citext.sql.
9 SET client_min_messages = warning;
12 RESET client_min_messages;
15 -- Test the operators and indexing functions
18 SELECT 'a'::citext = 'a'::citext AS t;
19 SELECT 'a'::citext = 'A'::citext AS t;
20 SELECT 'a'::citext = 'A'::text AS f; -- text wins the discussion
21 SELECT 'a'::citext = 'b'::citext AS f;
22 SELECT 'a'::citext = 'ab'::citext AS f;
23 SELECT 'a'::citext <> 'ab'::citext AS t;
25 -- Multibyte sanity tests. Uncomment to run.
26 -- SELECT 'À'::citext = 'À'::citext AS t;
27 -- SELECT 'À'::citext = 'à'::citext AS t;
28 -- SELECT 'À'::text = 'à'::text AS f; -- text wins.
29 -- SELECT 'À'::citext <> 'B'::citext AS t;
31 -- Test combining characters making up canonically equivalent strings.
32 -- SELECT 'Ä'::text <> 'Ä'::text AS t;
33 -- SELECT 'Ä'::citext <> 'Ä'::citext AS t;
35 -- Test the Turkish dotted I. The lowercase is a single byte while the
36 -- uppercase is multibyte. This is why the comparison code can't be optimized
37 -- to compare string lengths.
38 -- SELECT 'i'::citext = 'İ'::citext AS t;
41 -- SELECT 'láska'::citext <> 'laská'::citext AS t;
43 -- SELECT 'Ask Bjørn Hansen'::citext = 'Ask Bjørn Hansen'::citext AS t;
44 -- SELECT 'Ask Bjørn Hansen'::citext = 'ASK BJØRN HANSEN'::citext AS t;
45 -- SELECT 'Ask Bjørn Hansen'::citext <> 'Ask Bjorn Hansen'::citext AS t;
46 -- SELECT 'Ask Bjørn Hansen'::citext <> 'ASK BJORN HANSEN'::citext AS t;
47 -- SELECT citext_cmp('Ask Bjørn Hansen'::citext, 'Ask Bjørn Hansen'::citext) AS zero;
48 -- SELECT citext_cmp('Ask Bjørn Hansen'::citext, 'ask bjørn hansen'::citext) AS zero;
49 -- SELECT citext_cmp('Ask Bjørn Hansen'::citext, 'ASK BJØRN HANSEN'::citext) AS zero;
50 -- SELECT citext_cmp('Ask Bjørn Hansen'::citext, 'Ask Bjorn Hansen'::citext) AS positive;
51 -- SELECT citext_cmp('Ask Bjorn Hansen'::citext, 'Ask Bjørn Hansen'::citext) AS negative;
54 SELECT 'B'::citext > 'a'::citext AS t;
55 SELECT 'b'::citext > 'A'::citext AS t;
56 SELECT 'B'::citext > 'b'::citext AS f;
57 SELECT 'B'::citext >= 'b'::citext AS t;
60 SELECT 'a'::citext < 'B'::citext AS t;
61 SELECT 'a'::citext <= 'B'::citext AS t;
63 -- Test implicit casting. citext casts to text, but not vice-versa.
64 SELECT 'a'::citext = 'a'::text AS t;
65 SELECT 'A'::text <> 'a'::citext AS t;
67 SELECT 'B'::citext < 'a'::text AS t; -- text wins.
68 SELECT 'B'::citext <= 'a'::text AS t; -- text wins.
70 SELECT 'a'::citext > 'B'::text AS t; -- text wins.
71 SELECT 'a'::citext >= 'B'::text AS t; -- text wins.
73 -- Test implicit casting. citext casts to varchar, but not vice-versa.
74 SELECT 'a'::citext = 'a'::varchar AS t;
75 SELECT 'A'::varchar <> 'a'::citext AS t;
77 SELECT 'B'::citext < 'a'::varchar AS t; -- varchar wins.
78 SELECT 'B'::citext <= 'a'::varchar AS t; -- varchar wins.
80 SELECT 'a'::citext > 'B'::varchar AS t; -- varchar wins.
81 SELECT 'a'::citext >= 'B'::varchar AS t; -- varchar wins.
83 -- A couple of longer examlpes to ensure that we don't get any issues with bad
84 -- conversions to char[] in the c code. Yes, I did do this.
86 SELECT 'aardvark'::citext = 'aardvark'::citext AS t;
87 SELECT 'aardvark'::citext = 'aardVark'::citext AS t;
89 -- Check the citext_cmp() function explicitly.
90 SELECT citext_cmp('aardvark'::citext, 'aardvark'::citext) AS zero;
91 SELECT citext_cmp('aardvark'::citext, 'aardVark'::citext) AS zero;
92 SELECT citext_cmp('AARDVARK'::citext, 'AARDVARK'::citext) AS zero;
93 SELECT citext_cmp('B'::citext, 'a'::citext) AS one;
95 -- Do some tests using a table and index.
97 CREATE TEMP TABLE try (
98 name citext PRIMARY KEY
101 INSERT INTO try (name)
102 VALUES ('a'), ('ab'), ('â'), ('aba'), ('b'), ('ba'), ('bab'), ('AZ');
104 SELECT name, 'a' = name AS eq_a FROM try WHERE name <> 'â';
105 SELECT name, 'a' = name AS t FROM try where name = 'a';
106 SELECT name, 'A' = name AS "eq_A" FROM try WHERE name <> 'â';
107 SELECT name, 'A' = name AS t FROM try where name = 'A';
108 SELECT name, 'A' = name AS t FROM try where name = 'A';
110 -- expected failures on duplicate key
111 INSERT INTO try (name) VALUES ('a');
112 INSERT INTO try (name) VALUES ('A');
113 INSERT INTO try (name) VALUES ('aB');
115 -- Make sure that citext_smaller() and citext_lager() work properly.
116 SELECT citext_smaller( 'aa'::citext, 'ab'::citext ) = 'aa' AS t;
117 SELECT citext_smaller( 'AAAA'::citext, 'bbbb'::citext ) = 'AAAA' AS t;
118 SELECT citext_smaller( 'aardvark'::citext, 'Aaba'::citext ) = 'Aaba' AS t;
119 SELECT citext_smaller( 'aardvark'::citext, 'AARDVARK'::citext ) = 'AARDVARK' AS t;
121 SELECT citext_larger( 'aa'::citext, 'ab'::citext ) = 'ab' AS t;
122 SELECT citext_larger( 'AAAA'::citext, 'bbbb'::citext ) = 'bbbb' AS t;
123 SELECT citext_larger( 'aardvark'::citext, 'Aaba'::citext ) = 'aardvark' AS t;
125 -- Test aggregate functions and sort ordering
127 CREATE TEMP TABLE srt (
131 INSERT INTO srt (name)
138 -- Check the min() and max() aggregates, with and without index.
139 set enable_seqscan = off;
140 SELECT MIN(name) AS "AAA" FROM srt;
141 SELECT MAX(name) AS abd FROM srt;
142 reset enable_seqscan;
143 set enable_indexscan = off;
144 SELECT MIN(name) AS "AAA" FROM srt;
145 SELECT MAX(name) AS abd FROM srt;
146 reset enable_indexscan;
148 -- Check sorting likewise
149 set enable_seqscan = off;
150 SELECT name FROM srt ORDER BY name;
151 reset enable_seqscan;
152 set enable_indexscan = off;
153 SELECT name FROM srt ORDER BY name;
154 reset enable_indexscan;
156 -- Test assignment casts.
157 SELECT LOWER(name) as aaa FROM srt WHERE name = 'AAA'::text;
158 SELECT LOWER(name) as aaa FROM srt WHERE name = 'AAA'::varchar;
159 SELECT LOWER(name) as aaa FROM srt WHERE name = 'AAA'::bpchar;
160 SELECT LOWER(name) as aaa FROM srt WHERE name = 'AAA';
161 SELECT LOWER(name) as aaa FROM srt WHERE name = 'AAA'::citext;
163 -- LIKE should be case-insensitive
164 SELECT name FROM srt WHERE name LIKE '%a%' ORDER BY name;
165 SELECT name FROM srt WHERE name NOT LIKE '%b%' ORDER BY name;
166 SELECT name FROM srt WHERE name LIKE '%A%' ORDER BY name;
167 SELECT name FROM srt WHERE name NOT LIKE '%B%' ORDER BY name;
169 -- ~~ should be case-insensitive
170 SELECT name FROM srt WHERE name ~~ '%a%' ORDER BY name;
171 SELECT name FROM srt WHERE name !~~ '%b%' ORDER BY name;
172 SELECT name FROM srt WHERE name ~~ '%A%' ORDER BY name;
173 SELECT name FROM srt WHERE name !~~ '%B%' ORDER BY name;
175 -- ~ should be case-insensitive
176 SELECT name FROM srt WHERE name ~ '^a' ORDER BY name;
177 SELECT name FROM srt WHERE name !~ 'a$' ORDER BY name;
178 SELECT name FROM srt WHERE name ~ '^A' ORDER BY name;
179 SELECT name FROM srt WHERE name !~ 'A$' ORDER BY name;
181 -- SIMILAR TO should be case-insensitive.
182 SELECT name FROM srt WHERE name SIMILAR TO '%a.*';
183 SELECT name FROM srt WHERE name SIMILAR TO '%A.*';
186 SELECT true::citext = 'true' AS t;
187 SELECT 'true'::citext::boolean = true AS t;
189 SELECT 4::citext = '4' AS t;
190 SELECT 4::int4::citext = '4' AS t;
191 SELECT '4'::citext::int4 = 4 AS t;
192 SELECT 4::integer::citext = '4' AS t;
193 SELECT '4'::citext::integer = 4 AS t;
195 SELECT 4::int8::citext = '4' AS t;
196 SELECT '4'::citext::int8 = 4 AS t;
197 SELECT 4::bigint::citext = '4' AS t;
198 SELECT '4'::citext::bigint = 4 AS t;
200 SELECT 4::int2::citext = '4' AS t;
201 SELECT '4'::citext::int2 = 4 AS t;
202 SELECT 4::smallint::citext = '4' AS t;
203 SELECT '4'::citext::smallint = 4 AS t;
205 SELECT 4.0::numeric = '4.0' AS t;
206 SELECT '4.0'::citext::numeric = 4.0 AS t;
207 SELECT 4.0::decimal = '4.0' AS t;
208 SELECT '4.0'::citext::decimal = 4.0 AS t;
210 SELECT 4.0::real = '4.0' AS t;
211 SELECT '4.0'::citext::real = 4.0 AS t;
212 SELECT 4.0::float4 = '4.0' AS t;
213 SELECT '4.0'::citext::float4 = 4.0 AS t;
215 SELECT 4.0::double precision = '4.0' AS t;
216 SELECT '4.0'::citext::double precision = 4.0 AS t;
217 SELECT 4.0::float8 = '4.0' AS t;
218 SELECT '4.0'::citext::float8 = 4.0 AS t;
220 SELECT 'foo'::name::citext = 'foo' AS t;
221 SELECT 'foo'::citext::name = 'foo'::name AS t;
223 SELECT 'foo'::bytea::citext = 'foo' AS t;
224 SELECT 'foo'::citext::bytea = 'foo'::bytea AS t;
226 SELECT '100'::money::citext = '$100.00' AS t;
227 SELECT '100'::citext::money = '100'::money AS t;
229 SELECT 'a'::char::citext = 'a' AS t;
230 SELECT 'a'::citext::char = 'a'::char AS t;
232 SELECT 'foo'::varchar::citext = 'foo' AS t;
233 SELECT 'foo'::citext::varchar = 'foo'::varchar AS t;
235 SELECT 'foo'::text::citext = 'foo' AS t;
236 SELECT 'foo'::citext::text = 'foo'::text AS t;
238 SELECT '192.168.100.128/25'::cidr::citext = '192.168.100.128/25' AS t;
239 SELECT '192.168.100.128/25'::citext::cidr = '192.168.100.128/25'::cidr AS t;
241 SELECT '192.168.100.128'::inet::citext = '192.168.100.128/32' AS t;
242 SELECT '192.168.100.128'::citext::inet = '192.168.100.128'::inet AS t;
244 SELECT '08:00:2b:01:02:03'::macaddr::citext = '08:00:2b:01:02:03' AS t;
245 SELECT '08:00:2b:01:02:03'::citext::macaddr = '08:00:2b:01:02:03'::macaddr AS t;
247 SELECT '<p>foo</p>'::xml::citext = '<p>foo</p>' AS t;
248 SELECT '<p>foo</p>'::citext::xml::text = '<p>foo</p>'::xml::text AS t;
250 SELECT '1999-01-08 04:05:06'::timestamp::citext = '1999-01-08 04:05:06'::timestamp::text AS t;
251 SELECT '1999-01-08 04:05:06'::citext::timestamp = '1999-01-08 04:05:06'::timestamp AS t;
252 SELECT '1999-01-08 04:05:06'::timestamptz::citext = '1999-01-08 04:05:06'::timestamptz::text AS t;
253 SELECT '1999-01-08 04:05:06'::citext::timestamptz = '1999-01-08 04:05:06'::timestamptz AS t;
255 SELECT '1 hour'::interval::citext = '1 hour'::interval::text AS t;
256 SELECT '1 hour'::citext::interval = '1 hour'::interval AS t;
258 SELECT '1999-01-08'::date::citext = '1999-01-08'::date::text AS t;
259 SELECT '1999-01-08'::citext::date = '1999-01-08'::date AS t;
261 SELECT '04:05:06'::time::citext = '04:05:06' AS t;
262 SELECT '04:05:06'::citext::time = '04:05:06'::time AS t;
263 SELECT '04:05:06'::timetz::citext = '04:05:06'::timetz::text AS t;
264 SELECT '04:05:06'::citext::timetz = '04:05:06'::timetz AS t;
266 SELECT '( 1 , 1)'::point::citext = '(1,1)' AS t;
267 SELECT '( 1 , 1)'::citext::point ~= '(1,1)'::point AS t;
268 SELECT '( 1 , 1 ) , ( 2 , 2 )'::lseg::citext = '[(1,1),(2,2)]' AS t;
269 SELECT '( 1 , 1 ) , ( 2 , 2 )'::citext::lseg = '[(1,1),(2,2)]'::lseg AS t;
270 SELECT '( 0 , 0 ) , ( 1 , 1 )'::box::citext = '(0,0),(1,1)'::box::text AS t;
271 SELECT '( 0 , 0 ) , ( 1 , 1 )'::citext::box ~= '(0,0),(1,1)'::text::box AS t;
273 SELECT '((0,0),(1,1),(2,0))'::path::citext = '((0,0),(1,1),(2,0))' AS t;
274 SELECT '((0,0),(1,1),(2,0))'::citext::path = '((0,0),(1,1),(2,0))'::path AS t;
276 SELECT '((0,0),(1,1))'::polygon::citext = '((0,0),(1,1))' AS t;
277 SELECT '((0,0),(1,1))'::citext::polygon ~= '((0,0),(1,1))'::polygon AS t;
279 SELECT '((0,0),2)'::circle::citext = '((0,0),2)'::circle::text AS t;
280 SELECT '((0,0),2)'::citext::circle ~= '((0,0),2)'::text::circle AS t;
282 SELECT '101'::bit::citext = '101'::bit::text AS t;
283 SELECT '101'::citext::bit = '101'::text::bit AS t;
284 SELECT '101'::bit varying::citext = '101'::bit varying::text AS t;
285 SELECT '101'::citext::bit varying = '101'::text::bit varying AS t;
286 SELECT 'a fat cat'::tsvector::citext = '''a'' ''cat'' ''fat''' AS t;
287 SELECT 'a fat cat'::citext::tsvector = 'a fat cat'::tsvector AS t;
288 SELECT 'fat & rat'::tsquery::citext = '''fat'' & ''rat''' AS t;
289 SELECT 'fat & rat'::citext::tsquery = 'fat & rat'::tsquery AS t;
290 SELECT 'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'::uuid::citext = 'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11' AS t;
291 SELECT 'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'::citext::uuid = 'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'::uuid AS t;
293 CREATE TYPE mood AS ENUM ('sad', 'ok', 'happy');
294 SELECT 'sad'::mood::citext = 'sad' AS t;
295 SELECT 'sad'::citext::mood = 'sad'::mood AS t;
298 CREATE TABLE caster (
318 timestamptz timestamptz,
336 INSERT INTO caster (text) VALUES ('foo'::citext);
337 INSERT INTO caster (citext) VALUES ('foo'::text);
339 INSERT INTO caster (varchar) VALUES ('foo'::text);
340 INSERT INTO caster (text) VALUES ('foo'::varchar);
341 INSERT INTO caster (varchar) VALUES ('foo'::citext);
342 INSERT INTO caster (citext) VALUES ('foo'::varchar);
344 INSERT INTO caster (bpchar) VALUES ('foo'::text);
345 INSERT INTO caster (text) VALUES ('foo'::bpchar);
346 INSERT INTO caster (bpchar) VALUES ('foo'::citext);
347 INSERT INTO caster (citext) VALUES ('foo'::bpchar);
349 INSERT INTO caster (name) VALUES ('foo'::text);
350 INSERT INTO caster (text) VALUES ('foo'::name);
351 INSERT INTO caster (name) VALUES ('foo'::citext);
352 INSERT INTO caster (citext) VALUES ('foo'::name);
354 -- Cannot cast to bytea on assignment.
355 INSERT INTO caster (bytea) VALUES ('foo'::text);
356 INSERT INTO caster (text) VALUES ('foo'::bytea);
357 INSERT INTO caster (bytea) VALUES ('foo'::citext);
358 INSERT INTO caster (citext) VALUES ('foo'::bytea);
360 -- Cannot cast to boolean on assignment.
361 INSERT INTO caster (boolean) VALUES ('t'::text);
362 INSERT INTO caster (text) VALUES ('t'::boolean);
363 INSERT INTO caster (boolean) VALUES ('t'::citext);
364 INSERT INTO caster (citext) VALUES ('t'::boolean);
366 -- Cannot cast to float8 on assignment.
367 INSERT INTO caster (float8) VALUES ('12.42'::text);
368 INSERT INTO caster (text) VALUES ('12.42'::float8);
369 INSERT INTO caster (float8) VALUES ('12.42'::citext);
370 INSERT INTO caster (citext) VALUES ('12.42'::float8);
372 -- Cannot cast to float4 on assignment.
373 INSERT INTO caster (float4) VALUES ('12.42'::text);
374 INSERT INTO caster (text) VALUES ('12.42'::float4);
375 INSERT INTO caster (float4) VALUES ('12.42'::citext);
376 INSERT INTO caster (citext) VALUES ('12.42'::float4);
378 -- Cannot cast to numeric on assignment.
379 INSERT INTO caster (numeric) VALUES ('12.42'::text);
380 INSERT INTO caster (text) VALUES ('12.42'::numeric);
381 INSERT INTO caster (numeric) VALUES ('12.42'::citext);
382 INSERT INTO caster (citext) VALUES ('12.42'::numeric);
384 -- Cannot cast to int8 on assignment.
385 INSERT INTO caster (int8) VALUES ('12'::text);
386 INSERT INTO caster (text) VALUES ('12'::int8);
387 INSERT INTO caster (int8) VALUES ('12'::citext);
388 INSERT INTO caster (citext) VALUES ('12'::int8);
390 -- Cannot cast to int4 on assignment.
391 INSERT INTO caster (int4) VALUES ('12'::text);
392 INSERT INTO caster (text) VALUES ('12'::int4);
393 INSERT INTO caster (int4) VALUES ('12'::citext);
394 INSERT INTO caster (citext) VALUES ('12'::int4);
396 -- Cannot cast to int2 on assignment.
397 INSERT INTO caster (int2) VALUES ('12'::text);
398 INSERT INTO caster (text) VALUES ('12'::int2);
399 INSERT INTO caster (int2) VALUES ('12'::citext);
400 INSERT INTO caster (citext) VALUES ('12'::int2);
402 -- Cannot cast to cidr on assignment.
403 INSERT INTO caster (cidr) VALUES ('192.168.100.128/25'::text);
404 INSERT INTO caster (text) VALUES ('192.168.100.128/25'::cidr);
405 INSERT INTO caster (cidr) VALUES ('192.168.100.128/25'::citext);
406 INSERT INTO caster (citext) VALUES ('192.168.100.128/25'::cidr);
408 -- Cannot cast to inet on assignment.
409 INSERT INTO caster (inet) VALUES ('192.168.100.128'::text);
410 INSERT INTO caster (text) VALUES ('192.168.100.128'::inet);
411 INSERT INTO caster (inet) VALUES ('192.168.100.128'::citext);
412 INSERT INTO caster (citext) VALUES ('192.168.100.128'::inet);
414 -- Cannot cast to macaddr on assignment.
415 INSERT INTO caster (macaddr) VALUES ('08:00:2b:01:02:03'::text);
416 INSERT INTO caster (text) VALUES ('08:00:2b:01:02:03'::macaddr);
417 INSERT INTO caster (macaddr) VALUES ('08:00:2b:01:02:03'::citext);
418 INSERT INTO caster (citext) VALUES ('08:00:2b:01:02:03'::macaddr);
420 -- Cannot cast to xml on assignment.
421 INSERT INTO caster (xml) VALUES ('<p>foo</p>'::text);
422 INSERT INTO caster (text) VALUES ('<p>foo</p>'::xml);
423 INSERT INTO caster (xml) VALUES ('<p>foo</p>'::citext);
424 INSERT INTO caster (citext) VALUES ('<p>foo</p>'::xml);
426 -- Cannot cast to money on assignment.
427 INSERT INTO caster (money) VALUES ('12'::text);
428 INSERT INTO caster (text) VALUES ('12'::money);
429 INSERT INTO caster (money) VALUES ('12'::citext);
430 INSERT INTO caster (citext) VALUES ('12'::money);
432 -- Cannot cast to timestamp on assignment.
433 INSERT INTO caster (timestamp) VALUES ('1999-01-08 04:05:06'::text);
434 INSERT INTO caster (text) VALUES ('1999-01-08 04:05:06'::timestamp);
435 INSERT INTO caster (timestamp) VALUES ('1999-01-08 04:05:06'::citext);
436 INSERT INTO caster (citext) VALUES ('1999-01-08 04:05:06'::timestamp);
438 -- Cannot cast to timestamptz on assignment.
439 INSERT INTO caster (timestamptz) VALUES ('1999-01-08 04:05:06'::text);
440 INSERT INTO caster (text) VALUES ('1999-01-08 04:05:06'::timestamptz);
441 INSERT INTO caster (timestamptz) VALUES ('1999-01-08 04:05:06'::citext);
442 INSERT INTO caster (citext) VALUES ('1999-01-08 04:05:06'::timestamptz);
444 -- Cannot cast to interval on assignment.
445 INSERT INTO caster (interval) VALUES ('1 hour'::text);
446 INSERT INTO caster (text) VALUES ('1 hour'::interval);
447 INSERT INTO caster (interval) VALUES ('1 hour'::citext);
448 INSERT INTO caster (citext) VALUES ('1 hour'::interval);
450 -- Cannot cast to date on assignment.
451 INSERT INTO caster (date) VALUES ('1999-01-08'::text);
452 INSERT INTO caster (text) VALUES ('1999-01-08'::date);
453 INSERT INTO caster (date) VALUES ('1999-01-08'::citext);
454 INSERT INTO caster (citext) VALUES ('1999-01-08'::date);
456 -- Cannot cast to time on assignment.
457 INSERT INTO caster (time) VALUES ('04:05:06'::text);
458 INSERT INTO caster (text) VALUES ('04:05:06'::time);
459 INSERT INTO caster (time) VALUES ('04:05:06'::citext);
460 INSERT INTO caster (citext) VALUES ('04:05:06'::time);
462 -- Cannot cast to timetz on assignment.
463 INSERT INTO caster (timetz) VALUES ('04:05:06'::text);
464 INSERT INTO caster (text) VALUES ('04:05:06'::timetz);
465 INSERT INTO caster (timetz) VALUES ('04:05:06'::citext);
466 INSERT INTO caster (citext) VALUES ('04:05:06'::timetz);
468 -- Cannot cast to point on assignment.
469 INSERT INTO caster (point) VALUES ('( 1 , 1)'::text);
470 INSERT INTO caster (text) VALUES ('( 1 , 1)'::point);
471 INSERT INTO caster (point) VALUES ('( 1 , 1)'::citext);
472 INSERT INTO caster (citext) VALUES ('( 1 , 1)'::point);
474 -- Cannot cast to lseg on assignment.
475 INSERT INTO caster (lseg) VALUES ('( 1 , 1 ) , ( 2 , 2 )'::text);
476 INSERT INTO caster (text) VALUES ('( 1 , 1 ) , ( 2 , 2 )'::lseg);
477 INSERT INTO caster (lseg) VALUES ('( 1 , 1 ) , ( 2 , 2 )'::citext);
478 INSERT INTO caster (citext) VALUES ('( 1 , 1 ) , ( 2 , 2 )'::lseg);
480 -- Cannot cast to box on assignment.
481 INSERT INTO caster (box) VALUES ('(0,0),(1,1)'::text);
482 INSERT INTO caster (text) VALUES ('(0,0),(1,1)'::box);
483 INSERT INTO caster (box) VALUES ('(0,0),(1,1)'::citext);
484 INSERT INTO caster (citext) VALUES ('(0,0),(1,1)'::box);
486 -- Cannot cast to path on assignment.
487 INSERT INTO caster (path) VALUES ('((0,0),(1,1),(2,0))'::text);
488 INSERT INTO caster (text) VALUES ('((0,0),(1,1),(2,0))'::path);
489 INSERT INTO caster (path) VALUES ('((0,0),(1,1),(2,0))'::citext);
490 INSERT INTO caster (citext) VALUES ('((0,0),(1,1),(2,0))'::path);
492 -- Cannot cast to polygon on assignment.
493 INSERT INTO caster (polygon) VALUES ('((0,0),(1,1))'::text);
494 INSERT INTO caster (text) VALUES ('((0,0),(1,1))'::polygon);
495 INSERT INTO caster (polygon) VALUES ('((0,0),(1,1))'::citext);
496 INSERT INTO caster (citext) VALUES ('((0,0),(1,1))'::polygon);
498 -- Cannot cast to circle on assignment.
499 INSERT INTO caster (circle) VALUES ('((0,0),2)'::text);
500 INSERT INTO caster (text) VALUES ('((0,0),2)'::circle);
501 INSERT INTO caster (circle) VALUES ('((0,0),2)'::citext);
502 INSERT INTO caster (citext) VALUES ('((0,0),2)'::circle);
504 -- Cannot cast to bit on assignment.
505 INSERT INTO caster (bit) VALUES ('101'::text);
506 INSERT INTO caster (text) VALUES ('101'::bit);
507 INSERT INTO caster (bit) VALUES ('101'::citext);
508 INSERT INTO caster (citext) VALUES ('101'::bit);
510 -- Cannot cast to bit varying on assignment.
511 INSERT INTO caster (bitv) VALUES ('101'::text);
512 INSERT INTO caster (text) VALUES ('101'::bit varying);
513 INSERT INTO caster (bitv) VALUES ('101'::citext);
514 INSERT INTO caster (citext) VALUES ('101'::bit varying);
516 -- Cannot cast to tsvector on assignment.
517 INSERT INTO caster (tsvector) VALUES ('the fat cat'::text);
518 INSERT INTO caster (text) VALUES ('the fat cat'::tsvector);
519 INSERT INTO caster (tsvector) VALUES ('the fat cat'::citext);
520 INSERT INTO caster (citext) VALUES ('the fat cat'::tsvector);
522 -- Cannot cast to tsquery on assignment.
523 INSERT INTO caster (tsquery) VALUES ('fat & rat'::text);
524 INSERT INTO caster (text) VALUES ('fat & rat'::tsquery);
525 INSERT INTO caster (tsquery) VALUES ('fat & rat'::citext);
526 INSERT INTO caster (citext) VALUES ('fat & rat'::tsquery);
528 -- Cannot cast to uuid on assignment.
529 INSERT INTO caster (uuid) VALUES ('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'::text);
530 INSERT INTO caster (text) VALUES ('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'::uuid);
531 INSERT INTO caster (uuid) VALUES ('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'::citext);
532 INSERT INTO caster (citext) VALUES ('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'::uuid);
534 -- Table 9-5. SQL String Functions and Operators
535 SELECT 'D'::citext || 'avid'::citext = 'David'::citext AS citext_concat;
536 SELECT 'Value: '::citext || 42 = 'Value: 42' AS text_concat;
537 SELECT 42 || ': value'::citext ='42: value' AS int_concat;
538 SELECT bit_length('jose'::citext) = 32 AS t;
539 SELECT bit_length( name ) = bit_length( name::text ) AS t FROM srt;
540 SELECT textlen( name ) = textlen( name::text ) AS t FROM srt;
541 SELECT char_length( name ) = char_length( name::text ) AS t FROM srt;
542 SELECT lower( name ) = lower( name::text ) AS t FROM srt;
543 SELECT octet_length( name ) = octet_length( name::text ) AS t FROM srt;
544 SELECT overlay( name placing 'hom' from 2 for 4) = overlay( name::text placing 'hom' from 2 for 4) AS t FROM srt;
545 SELECT position( 'a' IN name ) = position( 'a' IN name::text ) AS t FROM srt;
547 SELECT substr('alphabet'::citext, 3) = 'phabet' AS t;
548 SELECT substr('alphabet'::citext, 3, 2) = 'ph' AS t;
550 SELECT substring('alphabet'::citext, 3) = 'phabet' AS t;
551 SELECT substring('alphabet'::citext, 3, 2) = 'ph' AS t;
552 SELECT substring('Thomas'::citext from 2 for 3) = 'hom' AS t;
553 SELECT substring('Thomas'::citext from 2) = 'homas' AS t;
554 SELECT substring('Thomas'::citext from '...$') = 'mas' AS t;
555 SELECT substring('Thomas'::citext from '%#"o_a#"_' for '#') = 'oma' AS t;
557 SELECT trim(' trim '::citext) = 'trim' AS t;
558 SELECT trim('xxxxxtrimxxxx'::citext, 'x'::citext) = 'trim' AS t;
559 SELECT trim('xxxxxxtrimxxxx'::text, 'x'::citext) = 'trim' AS t;
560 SELECT trim('xxxxxtrimxxxx'::text, 'x'::citext) = 'trim' AS t;
562 SELECT upper( name ) = upper( name::text ) AS t FROM srt;
564 -- Table 9-6. Other String Functions.
565 SELECT ascii( name ) = ascii( name::text ) AS t FROM srt;
567 SELECT btrim(' trim'::citext ) = 'trim' AS t;
568 SELECT btrim('xxxxxtrimxxxx'::citext, 'x'::citext ) = 'trim' AS t;
569 SELECT btrim('xyxtrimyyx'::citext, 'xy'::citext) = 'trim' AS t;
570 SELECT btrim('xyxtrimyyx'::text, 'xy'::citext) = 'trim' AS t;
571 SELECT btrim('xyxtrimyyx'::citext, 'xy'::text ) = 'trim' AS t;
573 -- chr() takes an int and returns text.
574 -- convert() and convert_from take bytea and return text.
576 SELECT convert_to( name, 'ISO-8859-1' ) = convert_to( name::text, 'ISO-8859-1' ) AS t FROM srt;
577 SELECT decode('MTIzAAE='::citext, 'base64') = decode('MTIzAAE='::text, 'base64') AS t;
578 -- encode() takes bytea and returns text.
579 SELECT initcap('hi THOMAS'::citext) = initcap('hi THOMAS'::text) AS t;
580 SELECT length( name ) = length( name::text ) AS t FROM srt;
582 SELECT lpad('hi'::citext, 5 ) = ' hi' AS t;
583 SELECT lpad('hi'::citext, 5, 'xy'::citext) = 'xyxhi' AS t;
584 SELECT lpad('hi'::text, 5, 'xy'::citext) = 'xyxhi' AS t;
585 SELECT lpad('hi'::citext, 5, 'xy'::text ) = 'xyxhi' AS t;
587 SELECT ltrim(' trim'::citext ) = 'trim' AS t;
588 SELECT ltrim('zzzytrim'::citext, 'xyz'::citext) = 'trim' AS t;
589 SELECT ltrim('zzzytrim'::text, 'xyz'::citext) = 'trim' AS t;
590 SELECT ltrim('zzzytrim'::citext, 'xyz'::text ) = 'trim' AS t;
592 SELECT md5( name ) = md5( name::text ) AS t FROM srt;
593 -- pg_client_encoding() takes no args and returns name.
594 SELECT quote_ident( name ) = quote_ident( name::text ) AS t FROM srt;
595 SELECT quote_literal( name ) = quote_literal( name::text ) AS t FROM srt;
597 SELECT regexp_matches('foobarbequebaz'::citext, '(bar)(beque)') = ARRAY[ 'bar', 'beque' ] AS t;
598 SELECT regexp_matches('foobarbequebaz'::citext, '(BAR)(BEQUE)') = ARRAY[ 'bar', 'beque' ] AS t;
599 SELECT regexp_matches('foobarbequebaz'::citext, '(BAR)(BEQUE)'::citext) = ARRAY[ 'bar', 'beque' ] AS t;
600 SELECT regexp_matches('foobarbequebaz'::citext, '(BAR)(BEQUE)'::citext, '') = ARRAY[ 'bar', 'beque' ] AS t;
601 SELECT regexp_matches('foobarbequebaz'::citext, '(BAR)(BEQUE)', '') = ARRAY[ 'bar', 'beque' ] AS t;
602 SELECT regexp_matches('foobarbequebaz', '(BAR)(BEQUE)'::citext, '') = ARRAY[ 'bar', 'beque' ] AS t;
603 SELECT regexp_matches('foobarbequebaz'::citext, '(BAR)(BEQUE)'::citext, ''::citext) = ARRAY[ 'bar', 'beque' ] AS t;
604 -- c forces case-sensitive
605 SELECT regexp_matches('foobarbequebaz'::citext, '(BAR)(BEQUE)'::citext, 'c'::citext) = ARRAY[ 'bar', 'beque' ] AS "null";
607 SELECT regexp_replace('Thomas'::citext, '.[mN]a.', 'M') = 'ThM' AS t;
608 SELECT regexp_replace('Thomas'::citext, '.[MN]A.', 'M') = 'ThM' AS t;
609 SELECT regexp_replace('Thomas', '.[MN]A.'::citext, 'M') = 'ThM' AS t;
610 SELECT regexp_replace('Thomas'::citext, '.[MN]A.'::citext, 'M') = 'ThM' AS t;
611 -- c forces case-sensitive
612 SELECT regexp_replace('Thomas'::citext, '.[MN]A.'::citext, 'M', 'c') = 'Thomas' AS t;
614 SELECT regexp_split_to_array('hello world'::citext, E'\\s+') = ARRAY[ 'hello', 'world' ] AS t;
615 SELECT regexp_split_to_array('helloTworld'::citext, 't') = ARRAY[ 'hello', 'world' ] AS t;
616 SELECT regexp_split_to_array('helloTworld', 't'::citext) = ARRAY[ 'hello', 'world' ] AS t;
617 SELECT regexp_split_to_array('helloTworld'::citext, 't'::citext) = ARRAY[ 'hello', 'world' ] AS t;
618 SELECT regexp_split_to_array('helloTworld'::citext, 't', 's') = ARRAY[ 'hello', 'world' ] AS t;
619 SELECT regexp_split_to_array('helloTworld', 't'::citext, 's') = ARRAY[ 'hello', 'world' ] AS t;
620 SELECT regexp_split_to_array('helloTworld'::citext, 't'::citext, 's') = ARRAY[ 'hello', 'world' ] AS t;
622 -- c forces case-sensitive
623 SELECT regexp_split_to_array('helloTworld'::citext, 't'::citext, 'c') = ARRAY[ 'helloTworld' ] AS t;
625 SELECT regexp_split_to_table('hello world'::citext, E'\\s+') AS words;
626 SELECT regexp_split_to_table('helloTworld'::citext, 't') AS words;
627 SELECT regexp_split_to_table('helloTworld', 't'::citext) AS words;
628 SELECT regexp_split_to_table('helloTworld'::citext, 't'::citext) AS words;
629 -- c forces case-sensitive
630 SELECT regexp_split_to_table('helloTworld'::citext, 't'::citext, 'c') AS word;
632 SELECT repeat('Pg'::citext, 4) = 'PgPgPgPg' AS t;
634 SELECT replace('abcdefabcdef'::citext, 'cd', 'XX') = 'abXXefabXXef' AS t;
635 SELECT replace('abcdefabcdef'::citext, 'CD', 'XX') = 'abXXefabXXef' AS t;
636 SELECT replace('ab^is$abcdef'::citext, '^is$', 'XX') = 'abXXabcdef' AS t;
637 SELECT replace('abcdefabcdef', 'cd'::citext, 'XX') = 'abXXefabXXef' AS t;
638 SELECT replace('abcdefabcdef', 'CD'::citext, 'XX') = 'abXXefabXXef' AS t;
639 SELECT replace('ab^is$abcdef', '^is$'::citext, 'XX') = 'abXXabcdef' AS t;
640 SELECT replace('abcdefabcdef'::citext, 'cd'::citext, 'XX') = 'abXXefabXXef' AS t;
641 SELECT replace('abcdefabcdef'::citext, 'CD'::citext, 'XX') = 'abXXefabXXef' AS t;
642 SELECT replace('ab^is$abcdef'::citext, '^is$'::citext, 'XX') = 'abXXabcdef' AS t;
644 SELECT rpad('hi'::citext, 5 ) = 'hi ' AS t;
645 SELECT rpad('hi'::citext, 5, 'xy'::citext) = 'hixyx' AS t;
646 SELECT rpad('hi'::text, 5, 'xy'::citext) = 'hixyx' AS t;
647 SELECT rpad('hi'::citext, 5, 'xy'::text ) = 'hixyx' AS t;
649 SELECT rtrim('trim '::citext ) = 'trim' AS t;
650 SELECT rtrim('trimxxxx'::citext, 'x'::citext) = 'trim' AS t;
651 SELECT rtrim('trimxxxx'::text, 'x'::citext) = 'trim' AS t;
652 SELECT rtrim('trimxxxx'::text, 'x'::text ) = 'trim' AS t;
654 SELECT split_part('abc~@~def~@~ghi'::citext, '~@~', 2) = 'def' AS t;
655 SELECT split_part('abcTdefTghi'::citext, 't', 2) = 'def' AS t;
656 SELECT split_part('abcTdefTghi'::citext, 't'::citext, 2) = 'def' AS t;
657 SELECT split_part('abcTdefTghi', 't'::citext, 2) = 'def' AS t;
659 SELECT strpos('high'::citext, 'ig' ) = 2 AS t;
660 SELECT strpos('high', 'ig'::citext) = 2 AS t;
661 SELECT strpos('high'::citext, 'ig'::citext) = 2 AS t;
662 SELECT strpos('high'::citext, 'IG' ) = 2 AS t;
663 SELECT strpos('high', 'IG'::citext) = 2 AS t;
664 SELECT strpos('high'::citext, 'IG'::citext) = 2 AS t;
666 -- to_ascii() does not support UTF-8.
667 -- to_hex() takes a numeric argument.
668 SELECT substr('alphabet', 3, 2) = 'ph' AS t;
669 SELECT translate('abcdefabcdef'::citext, 'cd', 'XX') = 'abXXefabXXef' AS t;
670 SELECT translate('abcdefabcdef'::citext, 'CD', 'XX') = 'abXXefabXXef' AS t;
671 SELECT translate('abcdefabcdef'::citext, 'CD'::citext, 'XX') = 'abXXefabXXef' AS t;
672 SELECT translate('abcdefabcdef', 'CD'::citext, 'XX') = 'abXXefabXXef' AS t;
674 -- Table 9-20. Formatting Functions
675 SELECT to_date('05 Dec 2000'::citext, 'DD Mon YYYY'::citext)
676 = to_date('05 Dec 2000', 'DD Mon YYYY') AS t;
677 SELECT to_date('05 Dec 2000'::citext, 'DD Mon YYYY')
678 = to_date('05 Dec 2000', 'DD Mon YYYY') AS t;
679 SELECT to_date('05 Dec 2000', 'DD Mon YYYY'::citext)
680 = to_date('05 Dec 2000', 'DD Mon YYYY') AS t;
682 SELECT to_number('12,454.8-'::citext, '99G999D9S'::citext)
683 = to_number('12,454.8-', '99G999D9S') AS t;
684 SELECT to_number('12,454.8-'::citext, '99G999D9S')
685 = to_number('12,454.8-', '99G999D9S') AS t;
686 SELECT to_number('12,454.8-', '99G999D9S'::citext)
687 = to_number('12,454.8-', '99G999D9S') AS t;
689 SELECT to_timestamp('05 Dec 2000'::citext, 'DD Mon YYYY'::citext)
690 = to_timestamp('05 Dec 2000', 'DD Mon YYYY') AS t;
691 SELECT to_timestamp('05 Dec 2000'::citext, 'DD Mon YYYY')
692 = to_timestamp('05 Dec 2000', 'DD Mon YYYY') AS t;
693 SELECT to_timestamp('05 Dec 2000', 'DD Mon YYYY'::citext)
694 = to_timestamp('05 Dec 2000', 'DD Mon YYYY') AS t;
696 -- Try assigning function results to a column.
697 SELECT COUNT(*) = 8::bigint AS t FROM try;
699 VALUES ( to_char( now()::timestamp, 'HH12:MI:SS') ),
700 ( to_char( now() + '1 sec'::interval, 'HH12:MI:SS') ), -- timetamptz
701 ( to_char( '15h 2m 12s'::interval, 'HH24:MI:SS') ),
702 ( to_char( current_date, '999') ),
703 ( to_char( 125::int, '999') ),
704 ( to_char( 127::int4, '999') ),
705 ( to_char( 126::int8, '999') ),
706 ( to_char( 128.8::real, '999D9') ),
707 ( to_char( 125.7::float4, '999D9') ),
708 ( to_char( 125.9::float8, '999D9') ),
709 ( to_char( -125.8::numeric, '999D99S') );
711 SELECT COUNT(*) = 19::bigint AS t FROM try;
713 SELECT like_escape( name, '' ) = like_escape( name::text, '' ) AS t FROM srt;
714 SELECT like_escape( name::text, ''::citext ) = like_escape( name::text, '' ) AS t FROM srt;