3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library. The
12 # focus of this file is testing built-in functions.
15 set testdir [file dirname $argv0]
16 source $testdir/tester.tcl
19 # Create a table to work with.
22 execsql {CREATE TABLE tbl1(t1 text)}
23 foreach word {this program is free software} {
24 execsql "INSERT INTO tbl1 VALUES('$word')"
26 execsql {SELECT t1 FROM tbl1 ORDER BY t1}
27 } {free is program software this}
31 INSERT INTO t2 VALUES(1);
32 INSERT INTO t2 VALUES(NULL);
33 INSERT INTO t2 VALUES(345);
34 INSERT INTO t2 VALUES(NULL);
35 INSERT INTO t2 VALUES(67890);
40 # Check out the length() function
43 execsql {SELECT length(t1) FROM tbl1 ORDER BY t1}
46 set r [catch {execsql {SELECT length(*) FROM tbl1 ORDER BY t1}} msg]
48 } {1 {wrong number of arguments to function length()}}
50 set r [catch {execsql {SELECT length(t1,5) FROM tbl1 ORDER BY t1}} msg]
52 } {1 {wrong number of arguments to function length()}}
54 execsql {SELECT length(t1), count(*) FROM tbl1 GROUP BY length(t1)
58 execsql {SELECT coalesce(length(a),-1) FROM t2}
61 # Check out the substr() function
64 execsql {SELECT substr(t1,1,2) FROM tbl1 ORDER BY t1}
67 execsql {SELECT substr(t1,2,1) FROM tbl1 ORDER BY t1}
70 execsql {SELECT substr(t1,3,3) FROM tbl1 ORDER BY t1}
73 execsql {SELECT substr(t1,-1,1) FROM tbl1 ORDER BY t1}
76 execsql {SELECT substr(t1,-1,2) FROM tbl1 ORDER BY t1}
79 execsql {SELECT substr(t1,-2,1) FROM tbl1 ORDER BY t1}
82 execsql {SELECT substr(t1,-2,2) FROM tbl1 ORDER BY t1}
85 execsql {SELECT substr(t1,-4,2) FROM tbl1 ORDER BY t1}
88 execsql {SELECT t1 FROM tbl1 ORDER BY substr(t1,2,20)}
89 } {this software free program is}
91 execsql {SELECT substr(a,1,1) FROM t2}
94 execsql {SELECT substr(a,2,2) FROM t2}
97 # Only do the following tests if TCL has UTF-8 capabilities
99 if {"\u1234"!="u1234"} {
101 # Put some UTF-8 characters in the database
104 execsql {DELETE FROM tbl1}
105 foreach word "contains UTF-8 characters hi\u1234ho" {
106 execsql "INSERT INTO tbl1 VALUES('$word')"
108 execsql {SELECT t1 FROM tbl1 ORDER BY t1}
109 } "UTF-8 characters contains hi\u1234ho"
111 execsql {SELECT length(t1) FROM tbl1 ORDER BY t1}
114 execsql {SELECT substr(t1,1,2) FROM tbl1 ORDER BY t1}
117 execsql {SELECT substr(t1,1,3) FROM tbl1 ORDER BY t1}
118 } "UTF cha con hi\u1234"
120 execsql {SELECT substr(t1,2,2) FROM tbl1 ORDER BY t1}
123 execsql {SELECT substr(t1,2,3) FROM tbl1 ORDER BY t1}
124 } "TF- har ont i\u1234h"
126 execsql {SELECT substr(t1,3,2) FROM tbl1 ORDER BY t1}
129 execsql {SELECT substr(t1,4,2) FROM tbl1 ORDER BY t1}
132 execsql {SELECT substr(t1,-1,1) FROM tbl1 ORDER BY t1}
135 execsql {SELECT substr(t1,-3,2) FROM tbl1 ORDER BY t1}
138 execsql {SELECT substr(t1,-4,3) FROM tbl1 ORDER BY t1}
139 } "TF- ter ain i\u1234h"
141 execsql {DELETE FROM tbl1}
142 foreach word {this program is free software} {
143 execsql "INSERT INTO tbl1 VALUES('$word')"
145 execsql {SELECT t1 FROM tbl1}
146 } {this program is free software}
148 } ;# End \u1234!=u1234
150 # Test the abs() and round() functions.
152 ifcapable !floatingpoint {
155 CREATE TABLE t1(a,b,c);
156 INSERT INTO t1 VALUES(1,2,3);
157 INSERT INTO t1 VALUES(2,12345678901234,-1234567890);
158 INSERT INTO t1 VALUES(3,-2,-5);
160 catchsql {SELECT abs(a,b) FROM t1}
161 } {1 {wrong number of arguments to function abs()}}
163 ifcapable floatingpoint {
166 CREATE TABLE t1(a,b,c);
167 INSERT INTO t1 VALUES(1,2,3);
168 INSERT INTO t1 VALUES(2,1.2345678901234,-12345.67890);
169 INSERT INTO t1 VALUES(3,-2,-5);
171 catchsql {SELECT abs(a,b) FROM t1}
172 } {1 {wrong number of arguments to function abs()}}
175 catchsql {SELECT abs() FROM t1}
176 } {1 {wrong number of arguments to function abs()}}
177 ifcapable floatingpoint {
179 catchsql {SELECT abs(b) FROM t1 ORDER BY a}
180 } {0 {2 1.2345678901234 2}}
182 catchsql {SELECT abs(c) FROM t1 ORDER BY a}
183 } {0 {3 12345.6789 5}}
185 ifcapable !floatingpoint {
186 if {[working_64bit_int]} {
188 catchsql {SELECT abs(b) FROM t1 ORDER BY a}
189 } {0 {2 12345678901234 2}}
192 catchsql {SELECT abs(c) FROM t1 ORDER BY a}
193 } {0 {3 1234567890 5}}
196 execsql {SELECT abs(a) FROM t2}
197 } {1 {} 345 {} 67890}
199 execsql {SELECT abs(t1) FROM tbl1}
200 } {0.0 0.0 0.0 0.0 0.0}
202 ifcapable floatingpoint {
204 catchsql {SELECT round(a,b,c) FROM t1}
205 } {1 {wrong number of arguments to function round()}}
207 catchsql {SELECT round(b,2) FROM t1 ORDER BY b}
208 } {0 {-2.0 1.23 2.0}}
210 catchsql {SELECT round(b,0) FROM t1 ORDER BY a}
213 catchsql {SELECT round(c) FROM t1 ORDER BY a}
214 } {0 {3.0 -12346.0 -5.0}}
216 catchsql {SELECT round(c,a) FROM t1 ORDER BY a}
217 } {0 {3.0 -12345.68 -5.0}}
219 catchsql {SELECT 'x' || round(c,a) || 'y' FROM t1 ORDER BY a}
220 } {0 {x3.0y x-12345.68y x-5.0y}}
222 catchsql {SELECT round() FROM t1 ORDER BY a}
223 } {1 {wrong number of arguments to function round()}}
225 execsql {SELECT coalesce(round(a,2),'nil') FROM t2}
226 } {1.0 nil 345.0 nil 67890.0}
228 execsql {SELECT round(t1,2) FROM tbl1}
229 } {0.0 0.0 0.0 0.0 0.0}
231 execsql {SELECT typeof(round(5.1,1));}
234 execsql {SELECT typeof(round(5.1));}
237 catchsql {SELECT round(b,2.0) FROM t1 ORDER BY b}
238 } {0 {-2.0 1.23 2.0}}
239 # Verify some values reported on the mailing list.
240 # Some of these fail on MSVC builds with 64-bit
241 # long doubles, but not on GCC builds with 80-bit
243 for {set i 1} {$i<999} {incr i} {
244 set x1 [expr 40222.5 + $i]
245 set x2 [expr 40223.0 + $i]
246 do_test func-4.17.$i {
247 execsql {SELECT round($x1);}
250 for {set i 1} {$i<999} {incr i} {
251 set x1 [expr 40222.05 + $i]
252 set x2 [expr 40222.10 + $i]
253 do_test func-4.18.$i {
254 execsql {SELECT round($x1,1);}
258 execsql {SELECT round(40223.4999999999);}
261 execsql {SELECT round(40224.4999999999);}
264 execsql {SELECT round(40225.4999999999);}
266 for {set i 1} {$i<10} {incr i} {
267 do_test func-4.23.$i {
268 execsql {SELECT round(40223.4999999999,$i);}
270 do_test func-4.24.$i {
271 execsql {SELECT round(40224.4999999999,$i);}
273 do_test func-4.25.$i {
274 execsql {SELECT round(40225.4999999999,$i);}
277 for {set i 10} {$i<32} {incr i} {
278 do_test func-4.26.$i {
279 execsql {SELECT round(40223.4999999999,$i);}
281 do_test func-4.27.$i {
282 execsql {SELECT round(40224.4999999999,$i);}
284 do_test func-4.28.$i {
285 execsql {SELECT round(40225.4999999999,$i);}
289 execsql {SELECT round(1234567890.5);}
292 execsql {SELECT round(12345678901.5);}
295 execsql {SELECT round(123456789012.5);}
298 execsql {SELECT round(1234567890123.5);}
301 execsql {SELECT round(12345678901234.5);}
304 execsql {SELECT round(1234567890123.35,1);}
307 execsql {SELECT round(1234567890123.445,2);}
310 execsql {SELECT round(99999999999994.5);}
313 execsql {SELECT round(9999999999999.55,1);}
316 execsql {SELECT round(9999999999999.556,2);}
320 # Test the upper() and lower() functions
323 execsql {SELECT upper(t1) FROM tbl1}
324 } {THIS PROGRAM IS FREE SOFTWARE}
326 execsql {SELECT lower(upper(t1)) FROM tbl1}
327 } {this program is free software}
329 execsql {SELECT upper(a), lower(a) FROM t2}
330 } {1 1 {} {} 345 345 {} {} 67890 67890}
333 catchsql {SELECT upper(a,5) FROM t2}
334 } {1 {wrong number of arguments to function upper()}}
337 catchsql {SELECT upper(*) FROM t2}
338 } {1 {wrong number of arguments to function upper()}}
340 # Test the coalesce() and nullif() functions
343 execsql {SELECT coalesce(a,'xyz') FROM t2}
344 } {1 xyz 345 xyz 67890}
346 execsql {SELECT coalesce(upper(a),'nil') FROM t2}
347 } {1 nil 345 nil 67890}
349 execsql {SELECT coalesce(nullif(1,1),'nil')}
352 execsql {SELECT coalesce(nullif(1,2),'nil')}
355 execsql {SELECT coalesce(nullif(1,NULL),'nil')}
359 # Test the last_insert_rowid() function
362 execsql {SELECT last_insert_rowid()}
363 } [db last_insert_rowid]
365 # Tests for aggregate functions and how they handle NULLs.
367 ifcapable floatingpoint {
370 execsql {EXPLAIN SELECT sum(a) FROM t2;}
373 SELECT sum(a), count(a), round(avg(a),2), min(a), max(a), count(*) FROM t2;
375 } {68236 3 22745.33 1 67890 5}
377 ifcapable !floatingpoint {
380 execsql {EXPLAIN SELECT sum(a) FROM t2;}
383 SELECT sum(a), count(a), avg(a), min(a), max(a), count(*) FROM t2;
385 } {68236 3 22745.0 1 67890 5}
389 SELECT max('z+'||a||'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP') FROM t2;
391 } {z+67890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP}
396 CREATE TEMP TABLE t3 AS SELECT a FROM t2 ORDER BY a DESC;
397 SELECT min('z+'||a||'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP') FROM t3;
399 } {z+1abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP}
403 CREATE TABLE t3 AS SELECT a FROM t2 ORDER BY a DESC;
404 SELECT min('z+'||a||'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP') FROM t3;
406 } {z+1abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP}
410 SELECT max('z+'||a||'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP') FROM t3;
412 } {z+67890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP}
416 SELECT sum(x) FROM (SELECT '9223372036' || '854775807' AS x
417 UNION ALL SELECT -9223372036854775807)
422 SELECT typeof(sum(x)) FROM (SELECT '9223372036' || '854775807' AS x
423 UNION ALL SELECT -9223372036854775807)
428 SELECT typeof(sum(x)) FROM (SELECT '9223372036' || '854775808' AS x
429 UNION ALL SELECT -9223372036854775807)
432 ifcapable floatingpoint {
435 SELECT sum(x)>0.0 FROM (SELECT '9223372036' || '854775808' AS x
436 UNION ALL SELECT -9223372036850000000)
440 ifcapable !floatingpoint {
443 SELECT sum(x)>0 FROM (SELECT '9223372036' || '854775808' AS x
444 UNION ALL SELECT -9223372036850000000)
450 # How do you test the random() function in a meaningful, deterministic way?
454 SELECT random() is not null;
459 SELECT typeof(random());
464 SELECT randomblob(32) is not null;
469 SELECT typeof(randomblob(32));
474 SELECT length(randomblob(32)), length(randomblob(-5)),
475 length(randomblob(2000))
479 # The "hex()" function was added in order to be able to render blobs
480 # generated by randomblob(). So this seems like a good place to test
485 execsql {SELECT hex(x'00112233445566778899aAbBcCdDeEfF')}
486 } {00112233445566778899AABBCCDDEEFF}
488 set encoding [db one {PRAGMA encoding}]
489 if {$encoding=="UTF-16le"} {
490 do_test func-9.11-utf16le {
491 execsql {SELECT hex(replace('abcdefg','ef','12'))}
492 } {6100620063006400310032006700}
493 do_test func-9.12-utf16le {
494 execsql {SELECT hex(replace('abcdefg','','12'))}
495 } {6100620063006400650066006700}
496 do_test func-9.13-utf16le {
497 execsql {SELECT hex(replace('aabcdefg','a','aaa'))}
498 } {610061006100610061006100620063006400650066006700}
499 } elseif {$encoding=="UTF-8"} {
500 do_test func-9.11-utf8 {
501 execsql {SELECT hex(replace('abcdefg','ef','12'))}
503 do_test func-9.12-utf8 {
504 execsql {SELECT hex(replace('abcdefg','','12'))}
506 do_test func-9.13-utf8 {
507 execsql {SELECT hex(replace('aabcdefg','a','aaa'))}
508 } {616161616161626364656667}
511 # Use the "sqlite_register_test_function" TCL command which is part of
512 # the text fixture in order to verify correct operation of some of
513 # the user-defined SQL function APIs that are not used by the built-in
516 set ::DB [sqlite3_connection_pointer db]
517 sqlite_register_test_function $::DB testfunc
520 SELECT testfunc(NULL,NULL);
522 } {1 {first argument should be one of: int int64 string double null value}}
526 'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
534 'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
540 ifcapable floatingpoint {
544 'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
552 'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
554 'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
556 'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
558 'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
560 'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
562 'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
569 # Test the built-in sqlite_version(*) SQL function.
573 SELECT sqlite_version(*);
577 # Test that destructors passed to sqlite3 by calls to sqlite3_result_text()
578 # etc. are called. These tests use two special user-defined functions
579 # (implemented in func.c) only available in test builds.
581 # Function test_destructor() takes one argument and returns a copy of the
582 # text form of that argument. A destructor is associated with the return
583 # value. Function test_destructor_count() returns the number of outstanding
584 # destructor calls for values returned by test_destructor().
586 if {[db eval {PRAGMA encoding}]=="UTF-8"} {
587 do_test func-12.1-utf8 {
589 SELECT test_destructor('hello world'), test_destructor_count();
594 do_test func-12.1-utf16 {
596 SELECT test_destructor16('hello world'), test_destructor_count();
603 SELECT test_destructor_count();
608 SELECT test_destructor('hello')||' world'
613 SELECT test_destructor_count();
619 INSERT INTO t4 VALUES(test_destructor('hello'));
620 INSERT INTO t4 VALUES(test_destructor('world'));
621 SELECT min(test_destructor(x)), max(test_destructor(x)) FROM t4;
626 SELECT test_destructor_count();
636 # Test that the auxdata API for scalar functions works. This test uses
637 # a special user-defined function only available in test builds,
638 # test_auxdata(). Function test_auxdata() takes any number of arguments.
641 SELECT test_auxdata('hello world');
647 CREATE TABLE t4(a, b);
648 INSERT INTO t4 VALUES('abc', 'def');
649 INSERT INTO t4 VALUES('ghi', 'jkl');
654 SELECT test_auxdata('hello world') FROM t4;
659 SELECT test_auxdata('hello world', 123) FROM t4;
664 SELECT test_auxdata('hello world', a) FROM t4;
669 SELECT test_auxdata('hello'||'world', a) FROM t4;
673 # Test that auxilary data is preserved between calls for SQL variables.
675 set DB [sqlite3_connection_pointer db]
676 set sql "SELECT test_auxdata( ? , a ) FROM t4;"
677 set STMT [sqlite3_prepare $DB $sql -1 TAIL]
678 sqlite3_bind_text $STMT 1 hello\000 -1
680 while { "SQLITE_ROW"==[sqlite3_step $STMT] } {
681 lappend res [sqlite3_column_text $STMT 0]
683 lappend res [sqlite3_finalize $STMT]
684 } {{0 0} {1 0} SQLITE_OK}
686 # Test that auxiliary data is discarded when a statement is reset.
687 do_execsql_test 13.8.1 {
688 SELECT test_auxdata('constant') FROM t4;
690 do_execsql_test 13.8.2 {
691 SELECT test_auxdata('constant') FROM t4;
694 do_execsql_test 13.8.3 {
695 SELECT test_auxdata('constant') FROM t4;
698 do_execsql_test 13.8.4 {
699 SELECT test_auxdata($V), $V FROM t4;
702 do_execsql_test 13.8.5 {
703 SELECT test_auxdata($V), $V FROM t4;
707 do_execsql_test 13.8.6 {
708 SELECT test_auxdata($V), $V FROM t4;
712 # Make sure that a function with a very long name is rejected
715 db function [string repeat X 254] {return "hello"}
720 db function [string repeat X 256] {return "hello"}
725 catchsql {select test_error(NULL)}
728 catchsql {select test_error('this is the error message')}
729 } {1 {this is the error message}}
731 catchsql {select test_error('this is the error message',12)}
732 } {1 {this is the error message}}
737 # Test the quote function for BLOB and NULL values.
740 CREATE TABLE tbl2(a, b);
742 set STMT [sqlite3_prepare $::DB "INSERT INTO tbl2 VALUES(?, ?)" -1 TAIL]
743 sqlite3_bind_blob $::STMT 1 abc 3
745 sqlite3_finalize $::STMT
747 SELECT quote(a), quote(b) FROM tbl2;
751 # Correctly handle function error messages that include %. Ticket #1354
754 proc testfunc1 args {error "Error %d with %s percents %p"}
755 db function testfunc1 ::testfunc1
757 SELECT testfunc1(1,2,3);
759 } {1 {Error %d with %s percents %p}}
761 # The SUM function should return integer results when all inputs are integer.
766 INSERT INTO t5 VALUES(1);
767 INSERT INTO t5 VALUES(-99);
768 INSERT INTO t5 VALUES(10000);
769 SELECT sum(x) FROM t5;
772 ifcapable floatingpoint {
775 INSERT INTO t5 VALUES(0.0);
776 SELECT sum(x) FROM t5;
781 # The sum of nothing is NULL. But the sum of all NULLs is NULL.
783 # The TOTAL of nothing is 0.0.
788 SELECT sum(x), total(x) FROM t5;
793 INSERT INTO t5 VALUES(NULL);
794 SELECT sum(x), total(x) FROM t5
799 INSERT INTO t5 VALUES(NULL);
800 SELECT sum(x), total(x) FROM t5
805 INSERT INTO t5 VALUES(123);
806 SELECT sum(x), total(x) FROM t5
810 # Ticket #1664, #1669, #1670, #1674: An integer overflow on SUM causes
811 # an error. The non-standard TOTAL() function continues to give a helpful
816 CREATE TABLE t6(x INTEGER);
817 INSERT INTO t6 VALUES(1);
818 INSERT INTO t6 VALUES(1<<62);
819 SELECT sum(x) - ((1<<62)+1) from t6;
824 SELECT typeof(sum(x)) FROM t6
827 ifcapable floatingpoint {
830 INSERT INTO t6 VALUES(1<<62);
831 SELECT sum(x) - ((1<<62)*2.0+1) from t6;
833 } {1 {integer overflow}}
836 SELECT total(x) - ((1<<62)*2.0+1) FROM t6
840 ifcapable !floatingpoint {
843 INSERT INTO t6 VALUES(1<<62);
844 SELECT sum(x) - ((1<<62)*2+1) from t6;
846 } {1 {integer overflow}}
849 SELECT total(x) - ((1<<62)*2+1) FROM t6
853 if {[working_64bit_int]} {
856 SELECT sum(-9223372036854775805);
858 } -9223372036854775805
860 ifcapable compound&&subquery {
865 (SELECT 9223372036854775807 AS x UNION ALL
868 } {1 {integer overflow}}
869 if {[working_64bit_int]} {
873 (SELECT 9223372036854775807 AS x UNION ALL
876 } {0 9223372036854775797}
880 (SELECT -9223372036854775807 AS x UNION ALL
883 } {0 -9223372036854775797}
888 (SELECT -9223372036854775807 AS x UNION ALL
891 } {1 {integer overflow}}
894 SELECT sum(x) FROM (SELECT 9 AS x UNION ALL SELECT -10 AS x);
899 SELECT sum(x) FROM (SELECT -9 AS x UNION ALL SELECT 10 AS x);
904 SELECT sum(x) FROM (SELECT -10 AS x UNION ALL SELECT 9 AS x);
909 SELECT sum(x) FROM (SELECT 10 AS x UNION ALL SELECT -9 AS x);
913 } ;# ifcapable compound&&subquery
915 # Integer overflow on abs()
917 if {[working_64bit_int]} {
920 SELECT abs(-9223372036854775807);
922 } {0 9223372036854775807}
926 SELECT abs(-9223372036854775807-1);
928 } {1 {integer overflow}}
930 # The MATCH function exists but is only a stub and always throws an error.
934 SELECT match(a,b) FROM t1 WHERE 0;
939 SELECT 'abc' MATCH 'xyz';
941 } {1 {unable to use function MATCH in the requested context}}
944 SELECT 'abc' NOT MATCH 'xyz';
946 } {1 {unable to use function MATCH in the requested context}}
951 } {1 {wrong number of arguments to function match()}}
955 if {![catch {db eval {SELECT soundex('hello')}}]} {
977 execsql {SELECT soundex($name)}
982 # Tests of the REPLACE function.
988 } {1 {wrong number of arguments to function replace()}}
991 SELECT replace(1,2,3,4);
993 } {1 {wrong number of arguments to function replace()}}
996 SELECT typeof(replace("This is the main test string", NULL, "ALT"));
1001 SELECT typeof(replace(NULL, "main", "ALT"));
1006 SELECT typeof(replace("This is the main test string", "main", NULL));
1011 SELECT replace("This is the main test string", "main", "ALT");
1013 } {{This is the ALT test string}}
1016 SELECT replace("This is the main test string", "main", "larger-main");
1018 } {{This is the larger-main test string}}
1021 SELECT replace("aaaaaaa", "a", "0123456789");
1023 } {0123456789012345678901234567890123456789012345678901234567890123456789}
1027 # Attempt to exploit a buffer-overflow that at one time existed
1028 # in the REPLACE function.
1029 set ::str "[string repeat A 29998]CC[string repeat A 35537]"
1030 set ::rep [string repeat B 65536]
1032 SELECT LENGTH(REPLACE($::str, 'C', $::rep));
1034 } [expr 29998 + 2*65536 + 35537]
1037 # Tests for the TRIM, LTRIM and RTRIM functions.
1040 catchsql {SELECT trim(1,2,3)}
1041 } {1 {wrong number of arguments to function trim()}}
1043 catchsql {SELECT ltrim(1,2,3)}
1044 } {1 {wrong number of arguments to function ltrim()}}
1046 catchsql {SELECT rtrim(1,2,3)}
1047 } {1 {wrong number of arguments to function rtrim()}}
1049 execsql {SELECT trim(' hi ');}
1052 execsql {SELECT ltrim(' hi ');}
1055 execsql {SELECT rtrim(' hi ');}
1058 execsql {SELECT trim(' hi ','xyz');}
1061 execsql {SELECT ltrim(' hi ','xyz');}
1064 execsql {SELECT rtrim(' hi ','xyz');}
1066 do_test func-22.10 {
1067 execsql {SELECT trim('xyxzy hi zzzy','xyz');}
1069 do_test func-22.11 {
1070 execsql {SELECT ltrim('xyxzy hi zzzy','xyz');}
1072 do_test func-22.12 {
1073 execsql {SELECT rtrim('xyxzy hi zzzy','xyz');}
1075 do_test func-22.13 {
1076 execsql {SELECT trim(' hi ','');}
1078 if {[db one {PRAGMA encoding}]=="UTF-8"} {
1079 do_test func-22.14 {
1080 execsql {SELECT hex(trim(x'c280e1bfbff48fbfbf6869',x'6162e1bfbfc280'))}
1082 do_test func-22.15 {
1083 execsql {SELECT hex(trim(x'6869c280e1bfbff48fbfbf61',
1084 x'6162e1bfbfc280f48fbfbf'))}
1086 do_test func-22.16 {
1087 execsql {SELECT hex(trim(x'ceb1ceb2ceb3',x'ceb1'));}
1090 do_test func-22.20 {
1091 execsql {SELECT typeof(trim(NULL));}
1093 do_test func-22.21 {
1094 execsql {SELECT typeof(trim(NULL,'xyz'));}
1096 do_test func-22.22 {
1097 execsql {SELECT typeof(trim('hello',NULL));}
1100 # This is to test the deprecated sqlite3_aggregate_count() API.
1102 ifcapable deprecated {
1104 sqlite3_create_aggregate db
1106 SELECT legacy_count() FROM t6;
1111 # The group_concat() function.
1115 SELECT group_concat(t1) FROM tbl1
1117 } {this,program,is,free,software}
1120 SELECT group_concat(t1,' ') FROM tbl1
1122 } {{this program is free software}}
1125 SELECT group_concat(t1,' ' || rowid || ' ') FROM tbl1
1127 } {{this 2 program 3 is 4 free 5 software}}
1130 SELECT group_concat(NULL,t1) FROM tbl1
1135 SELECT group_concat(t1,NULL) FROM tbl1
1137 } {thisprogramisfreesoftware}
1140 SELECT 'BEGIN-'||group_concat(t1) FROM tbl1
1142 } {BEGIN-this,program,is,free,software}
1144 # Ticket #3179: Make sure aggregate functions can take many arguments.
1145 # None of the built-in aggregates do this, so use the md5sum() from the
1148 unset -nocomplain midargs
1150 unset -nocomplain midres
1152 unset -nocomplain result
1153 for {set i 1} {$i<[sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG -1]} {incr i} {
1154 append midargs ,'/$i'
1157 "this${midres}program${midres}is${midres}free${midres}software${midres}"]
1158 set sql "SELECT md5sum(t1$midargs) FROM tbl1"
1159 do_test func-24.7.$i {
1164 # Ticket #3806. If the initial string in a group_concat is an empty
1165 # string, the separator that follows should still be present.
1169 SELECT group_concat(CASE t1 WHEN 'this' THEN '' ELSE t1 END) FROM tbl1
1171 } {,program,is,free,software}
1174 SELECT group_concat(CASE WHEN t1!='software' THEN '' ELSE t1 END) FROM tbl1
1178 # Ticket #3923. Initial empty strings have a separator. But initial
1181 do_test func-24.10 {
1183 SELECT group_concat(CASE t1 WHEN 'this' THEN null ELSE t1 END) FROM tbl1
1185 } {program,is,free,software}
1186 do_test func-24.11 {
1188 SELECT group_concat(CASE WHEN t1!='software' THEN null ELSE t1 END) FROM tbl1
1191 do_test func-24.12 {
1193 SELECT group_concat(CASE t1 WHEN 'this' THEN ''
1194 WHEN 'program' THEN null ELSE t1 END) FROM tbl1
1196 } {,is,free,software}
1197 # Tests to verify ticket http://www.sqlite.org/src/tktview/55746f9e65f8587c0
1198 do_test func-24.13 {
1200 SELECT typeof(group_concat(x)) FROM (SELECT '' AS x);
1203 do_test func-24.14 {
1205 SELECT typeof(group_concat(x,''))
1206 FROM (SELECT '' AS x UNION ALL SELECT '');
1211 # Use the test_isolation function to make sure that type conversions
1212 # on function arguments do not effect subsequent arguments.
1215 execsql {SELECT test_isolation(t1,t1) FROM tbl1}
1216 } {this program is free software}
1218 # Try to misuse the sqlite3_create_function() interface. Verify that
1219 # errors are returned.
1222 abuse_create_function db
1225 # The previous test (func-26.1) registered a function with a very long
1226 # function name that takes many arguments and always returns NULL. Verify
1227 # that this function works correctly.
1231 for {set i 1} {$i<=$::SQLITE_MAX_FUNCTION_ARG} {incr i} {
1235 SELECT nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789([join $a ,]);
1240 for {set i 1} {$i<=$::SQLITE_MAX_FUNCTION_ARG+1} {incr i} {
1244 SELECT nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789([join $a ,]);
1246 } {1 {too many arguments on function nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789}}
1249 for {set i 1} {$i<=$::SQLITE_MAX_FUNCTION_ARG-1} {incr i} {
1253 SELECT nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789([join $a ,]);
1255 } {1 {wrong number of arguments to function nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789()}}
1258 SELECT nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_12345678a(0);
1260 } {1 {no such function: nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_12345678a}}
1263 SELECT nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789a(0);
1265 } {1 {no such function: nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789a}}
1268 catchsql {SELECT coalesce()}
1269 } {1 {wrong number of arguments to function coalesce()}}
1271 catchsql {SELECT coalesce(1)}
1272 } {1 {wrong number of arguments to function coalesce()}}
1274 catchsql {SELECT coalesce(1,2)}
1277 # Ticket 2d401a94287b5
1278 # Unknown function in a DEFAULT expression causes a segfault.
1282 CREATE TABLE t28(x, y DEFAULT(nosuchfunc(1)));
1285 INSERT INTO t28(x) VALUES(1);
1287 } {1 {unknown function: nosuchfunc()}}
1289 # Verify that the length() and typeof() functions do not actually load
1290 # the content of their argument.
1294 CREATE TABLE t29(id INTEGER PRIMARY KEY, x, y);
1295 INSERT INTO t29 VALUES(1, 2, 3), (2, NULL, 4), (3, 4.5, 5);
1296 INSERT INTO t29 VALUES(4, randomblob(1000000), 6);
1297 INSERT INTO t29 VALUES(5, "hello", 7);
1301 sqlite3_db_status db CACHE_MISS 1
1302 db eval {SELECT typeof(x), length(x), typeof(y) FROM t29 ORDER BY id}
1303 } {integer 1 integer null {} integer real 3 integer blob 1000000 integer text 5 integer}
1305 set x [lindex [sqlite3_db_status db CACHE_MISS 1] 1]
1312 sqlite3_db_status db CACHE_MISS 1
1313 db eval {SELECT typeof(+x) FROM t29 ORDER BY id}
1314 } {integer null real blob text}
1315 if {[permutation] != "mmap"} {
1316 ifcapable !direct_read {
1318 set x [lindex [sqlite3_db_status db CACHE_MISS 1] 1]
1319 if {$x>100} {set x many}
1327 sqlite3_db_status db CACHE_MISS 1
1328 db eval {SELECT sum(length(x)) FROM t29}
1331 set x [lindex [sqlite3_db_status db CACHE_MISS 1] 1]
1336 # The OP_Column opcode has an optimization that avoids loading content
1337 # for fields with content-length=0 when the content offset is on an overflow
1338 # page. Make sure the optimization works.
1340 do_execsql_test func-29.10 {
1341 CREATE TABLE t29b(a,b,c,d,e,f,g,h,i);
1343 VALUES(1, hex(randomblob(2000)), null, 0, 1, '', zeroblob(0),'x',x'01');
1344 SELECT typeof(c), typeof(d), typeof(e), typeof(f),
1345 typeof(g), typeof(h), typeof(i) FROM t29b;
1346 } {null integer integer text blob text blob}
1347 do_execsql_test func-29.11 {
1348 SELECT length(f), length(g), length(h), length(i) FROM t29b;
1350 do_execsql_test func-29.12 {
1351 SELECT quote(f), quote(g), quote(h), quote(i) FROM t29b;
1352 } {'' X'' 'x' X'01'}
1354 # EVIDENCE-OF: R-29701-50711 The unicode(X) function returns the numeric
1355 # unicode code point corresponding to the first character of the string
1358 # EVIDENCE-OF: R-55469-62130 The char(X1,X2,...,XN) function returns a
1359 # string composed of characters having the unicode code point values of
1360 # integers X1 through XN, respectively.
1362 do_execsql_test func-30.1 {SELECT unicode('$');} 36
1363 do_execsql_test func-30.2 [subst {SELECT unicode('\u00A2');}] 162
1364 do_execsql_test func-30.3 [subst {SELECT unicode('\u20AC');}] 8364
1365 do_execsql_test func-30.4 {SELECT char(36,162,8364);} [subst {$\u00A2\u20AC}]
1367 for {set i 1} {$i<0xd800} {incr i 13} {
1368 do_execsql_test func-30.5.$i {SELECT unicode(char($i))} $i
1370 for {set i 57344} {$i<=0xfffd} {incr i 17} {
1371 if {$i==0xfeff} continue
1372 do_execsql_test func-30.5.$i {SELECT unicode(char($i))} $i
1374 for {set i 65536} {$i<=0x10ffff} {incr i 139} {
1375 do_execsql_test func-30.5.$i {SELECT unicode(char($i))} $i
1380 do_execsql_test func-31.1 {
1381 SELECT char(), length(char()), typeof(char())