3
-- Test various data entry syntaxes.
6
-- SQL92 string continuation syntax
7
-- E021-03 character string literals
11
AS "Three lines to one";
13
-- illegal string continuation syntax
15
' - next line' /* this comment is not allowed here */
17
AS "Illegal comment within continuation";
20
-- test conversions between various string types
21
-- E021-10 implicit casting among the character data types
24
SELECT CAST(f1 AS text) AS "text(char)" FROM CHAR_TBL;
26
SELECT CAST(f1 AS text) AS "text(varchar)" FROM VARCHAR_TBL;
28
SELECT CAST(name 'namefield' AS text) AS "text(name)";
30
-- since this is an explicit cast, it should truncate w/o error:
31
SELECT CAST(f1 AS char(10)) AS "char(text)" FROM TEXT_TBL;
32
-- note: implicit-cast case is tested in char.sql
34
SELECT CAST(f1 AS char(20)) AS "char(text)" FROM TEXT_TBL;
36
SELECT CAST(f1 AS char(10)) AS "char(varchar)" FROM VARCHAR_TBL;
38
SELECT CAST(name 'namefield' AS char(10)) AS "char(name)";
40
SELECT CAST(f1 AS varchar) AS "varchar(text)" FROM TEXT_TBL;
42
SELECT CAST(f1 AS varchar) AS "varchar(char)" FROM CHAR_TBL;
44
SELECT CAST(name 'namefield' AS varchar) AS "varchar(name)";
47
-- test SQL92 string functions
48
-- E### and T### are feature reference numbers from SQL99
51
-- E021-09 trim function
52
SELECT TRIM(BOTH FROM ' bunch o blanks ') = 'bunch o blanks' AS "bunch o blanks";
54
SELECT TRIM(LEADING FROM ' bunch o blanks ') = 'bunch o blanks ' AS "bunch o blanks ";
56
SELECT TRIM(TRAILING FROM ' bunch o blanks ') = ' bunch o blanks' AS " bunch o blanks";
58
SELECT TRIM(BOTH 'x' FROM 'xxxxxsome Xsxxxxx') = 'some Xs' AS "some Xs";
60
-- E021-06 substring expression
61
SELECT SUBSTRING('1234567890' FROM 3) = '34567890' AS "34567890";
63
SELECT SUBSTRING('1234567890' FROM 4 FOR 3) = '456' AS "456";
65
-- T581 regular expression substring (with SQL99's bizarre regexp syntax)
66
SELECT SUBSTRING('abcdefg' FROM 'a#"(b_d)#"%' FOR '#') AS "bcd";
68
-- No match should return NULL
69
SELECT SUBSTRING('abcdefg' FROM '#"(b_d)#"%' FOR '#') IS NULL AS "True";
71
-- Null inputs should return NULL
72
SELECT SUBSTRING('abcdefg' FROM '(b|c)' FOR NULL) IS NULL AS "True";
73
SELECT SUBSTRING(NULL FROM '(b|c)' FOR '#') IS NULL AS "True";
74
SELECT SUBSTRING('abcdefg' FROM NULL FOR '#') IS NULL AS "True";
76
-- PostgreSQL extension to allow omitting the escape character;
77
-- here the regexp is taken as Posix syntax
78
SELECT SUBSTRING('abcdefg' FROM 'c.e') AS "cde";
80
-- With a parenthesized subexpression, return only what matches the subexpr
81
SELECT SUBSTRING('abcdefg' FROM 'b(.*)f') AS "cde";
84
-- E021-11 position expression
85
SELECT POSITION('4' IN '1234567890') = '4' AS "4";
87
SELECT POSITION(5 IN '1234567890') = '5' AS "5";
89
-- T312 character overlay function
90
SELECT OVERLAY('abcdef' PLACING '45' FROM 4) AS "abc45f";
92
SELECT OVERLAY('yabadoo' PLACING 'daba' FROM 5) AS "yabadaba";
94
SELECT OVERLAY('yabadoo' PLACING 'daba' FROM 5 FOR 0) AS "yabadabadoo";
96
SELECT OVERLAY('babosa' PLACING 'ubb' FROM 2 FOR 4) AS "bubba";
100
-- Be sure to form every test as a LIKE/NOT LIKE pair.
104
-- E061-04 like predicate
105
SELECT 'hawkeye' LIKE 'h%' AS "true";
106
SELECT 'hawkeye' NOT LIKE 'h%' AS "false";
108
SELECT 'hawkeye' LIKE 'H%' AS "false";
109
SELECT 'hawkeye' NOT LIKE 'H%' AS "true";
111
SELECT 'hawkeye' LIKE 'indio%' AS "false";
112
SELECT 'hawkeye' NOT LIKE 'indio%' AS "true";
114
SELECT 'hawkeye' LIKE 'h%eye' AS "true";
115
SELECT 'hawkeye' NOT LIKE 'h%eye' AS "false";
117
SELECT 'indio' LIKE '_ndio' AS "true";
118
SELECT 'indio' NOT LIKE '_ndio' AS "false";
120
SELECT 'indio' LIKE 'in__o' AS "true";
121
SELECT 'indio' NOT LIKE 'in__o' AS "false";
123
SELECT 'indio' LIKE 'in_o' AS "false";
124
SELECT 'indio' NOT LIKE 'in_o' AS "true";
126
-- unused escape character
127
SELECT 'hawkeye' LIKE 'h%' ESCAPE '#' AS "true";
128
SELECT 'hawkeye' NOT LIKE 'h%' ESCAPE '#' AS "false";
130
SELECT 'indio' LIKE 'ind_o' ESCAPE '$' AS "true";
131
SELECT 'indio' NOT LIKE 'ind_o' ESCAPE '$' AS "false";
134
-- E061-05 like predicate with escape clause
135
SELECT 'h%' LIKE 'h#%' ESCAPE '#' AS "true";
136
SELECT 'h%' NOT LIKE 'h#%' ESCAPE '#' AS "false";
138
SELECT 'h%wkeye' LIKE 'h#%' ESCAPE '#' AS "false";
139
SELECT 'h%wkeye' NOT LIKE 'h#%' ESCAPE '#' AS "true";
141
SELECT 'h%wkeye' LIKE 'h#%%' ESCAPE '#' AS "true";
142
SELECT 'h%wkeye' NOT LIKE 'h#%%' ESCAPE '#' AS "false";
144
SELECT 'h%awkeye' LIKE 'h#%a%k%e' ESCAPE '#' AS "true";
145
SELECT 'h%awkeye' NOT LIKE 'h#%a%k%e' ESCAPE '#' AS "false";
147
SELECT 'indio' LIKE '_ndio' ESCAPE '$' AS "true";
148
SELECT 'indio' NOT LIKE '_ndio' ESCAPE '$' AS "false";
150
SELECT 'i_dio' LIKE 'i$_d_o' ESCAPE '$' AS "true";
151
SELECT 'i_dio' NOT LIKE 'i$_d_o' ESCAPE '$' AS "false";
153
SELECT 'i_dio' LIKE 'i$_nd_o' ESCAPE '$' AS "false";
154
SELECT 'i_dio' NOT LIKE 'i$_nd_o' ESCAPE '$' AS "true";
156
SELECT 'i_dio' LIKE 'i$_d%o' ESCAPE '$' AS "true";
157
SELECT 'i_dio' NOT LIKE 'i$_d%o' ESCAPE '$' AS "false";
159
-- escape character same as pattern character
160
SELECT 'maca' LIKE 'm%aca' ESCAPE '%' AS "true";
161
SELECT 'maca' NOT LIKE 'm%aca' ESCAPE '%' AS "false";
163
SELECT 'ma%a' LIKE 'm%a%%a' ESCAPE '%' AS "true";
164
SELECT 'ma%a' NOT LIKE 'm%a%%a' ESCAPE '%' AS "false";
166
SELECT 'bear' LIKE 'b_ear' ESCAPE '_' AS "true";
167
SELECT 'bear' NOT LIKE 'b_ear' ESCAPE '_' AS "false";
169
SELECT 'be_r' LIKE 'b_e__r' ESCAPE '_' AS "true";
170
SELECT 'be_r' NOT LIKE 'b_e__r' ESCAPE '_' AS "false";
172
SELECT 'be_r' LIKE '__e__r' ESCAPE '_' AS "false";
173
SELECT 'be_r' NOT LIKE '__e__r' ESCAPE '_' AS "true";
177
-- test ILIKE (case-insensitive LIKE)
178
-- Be sure to form every test as an ILIKE/NOT ILIKE pair.
181
SELECT 'hawkeye' ILIKE 'h%' AS "true";
182
SELECT 'hawkeye' NOT ILIKE 'h%' AS "false";
184
SELECT 'hawkeye' ILIKE 'H%' AS "true";
185
SELECT 'hawkeye' NOT ILIKE 'H%' AS "false";
187
SELECT 'hawkeye' ILIKE 'H%Eye' AS "true";
188
SELECT 'hawkeye' NOT ILIKE 'H%Eye' AS "false";
190
SELECT 'Hawkeye' ILIKE 'h%' AS "true";
191
SELECT 'Hawkeye' NOT ILIKE 'h%' AS "false";
194
-- test implicit type conversion
197
-- E021-07 character concatenation
198
SELECT 'unknown' || ' and unknown' AS "Concat unknown types";
200
SELECT text 'text' || ' and unknown' AS "Concat text to unknown type";
202
SELECT char(20) 'characters' || ' and text' AS "Concat char to unknown type";
204
SELECT text 'text' || char(20) ' and characters' AS "Concat text to char";
206
SELECT text 'text' || varchar ' and varchar' AS "Concat text to varchar";
209
-- test substr with toasted text values
211
CREATE TABLE toasttest(f1 text);
213
insert into toasttest values(repeat('1234567890',10000));
214
insert into toasttest values(repeat('1234567890',10000));
217
-- Ensure that some values are uncompressed, to test the faster substring
218
-- operation used in that case
220
alter table toasttest alter column f1 set storage external;
221
insert into toasttest values(repeat('1234567890',10000));
222
insert into toasttest values(repeat('1234567890',10000));
224
-- If the starting position is zero or less, then return from the start of the string
225
-- adjusting the length to be consistent with the "negative start" per SQL92.
226
SELECT substr(f1, -1, 5) from toasttest;
228
-- If the length is less than zero, an ERROR is thrown.
229
SELECT substr(f1, 5, -1) from toasttest;
231
-- If no third argument (length) is provided, the length to the end of the
232
-- string is assumed.
233
SELECT substr(f1, 99995) from toasttest;
235
-- If start plus length is > string length, the result is truncated to
237
SELECT substr(f1, 99995, 10) from toasttest;
239
DROP TABLE toasttest;
242
-- test substr with toasted bytea values
244
CREATE TABLE toasttest(f1 bytea);
246
insert into toasttest values(decode(repeat('1234567890',10000),'escape'));
247
insert into toasttest values(decode(repeat('1234567890',10000),'escape'));
250
-- Ensure that some values are uncompressed, to test the faster substring
251
-- operation used in that case
253
alter table toasttest alter column f1 set storage external;
254
insert into toasttest values(decode(repeat('1234567890',10000),'escape'));
255
insert into toasttest values(decode(repeat('1234567890',10000),'escape'));
257
-- If the starting position is zero or less, then return from the start of the string
258
-- adjusting the length to be consistent with the "negative start" per SQL92.
259
SELECT substr(f1, -1, 5) from toasttest;
261
-- If the length is less than zero, an ERROR is thrown.
262
SELECT substr(f1, 5, -1) from toasttest;
264
-- If no third argument (length) is provided, the length to the end of the
265
-- string is assumed.
266
SELECT substr(f1, 99995) from toasttest;
268
-- If start plus length is > string length, the result is truncated to
270
SELECT substr(f1, 99995, 10) from toasttest;
272
DROP TABLE toasttest;
278
SELECT length('abcdef') AS "length_6";
284
SELECT strpos('abcdef', 'cd') AS "pos_3";
286
SELECT strpos('abcdef', 'xy') AS "pos_0";
291
SELECT replace('abcdef', 'de', '45') AS "abc45f";
293
SELECT replace('yabadabadoo', 'ba', '123') AS "ya123da123doo";
295
SELECT replace('yabadoo', 'bad', '') AS "yaoo";
300
select split_part('joeuser@mydatabase','@',0) AS "an error";
302
select split_part('joeuser@mydatabase','@',1) AS "joeuser";
304
select split_part('joeuser@mydatabase','@',2) AS "mydatabase";
306
select split_part('joeuser@mydatabase','@',3) AS "empty string";
308
select split_part('@joeuser@mydatabase@','@',2) AS "joeuser";
313
select to_hex(256*256*256 - 1) AS "ffffff";
315
select to_hex(256::bigint*256::bigint*256::bigint*256::bigint - 1) AS "ffffffff";
318
-- MD5 test suite - from IETF RFC 1321
319
-- (see: ftp://ftp.rfc-editor.org/in-notes/rfc1321.txt)
321
select md5('') = 'd41d8cd98f00b204e9800998ecf8427e' AS "TRUE";
323
select md5('a') = '0cc175b9c0f1b6a831c399e269772661' AS "TRUE";
325
select md5('abc') = '900150983cd24fb0d6963f7d28e17f72' AS "TRUE";
327
select md5('message digest') = 'f96b697d7cb7938d525a2f31aaf161d0' AS "TRUE";
329
select md5('abcdefghijklmnopqrstuvwxyz') = 'c3fcd3d76192e4007dfb496cca67e13b' AS "TRUE";
331
select md5('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789') = 'd174ab98d277d9f5a5611c2c9f419d9f' AS "TRUE";
333
select md5('12345678901234567890123456789012345678901234567890123456789012345678901234567890') = '57edf4a22be3c955ac49da2e2107b67a' AS "TRUE";