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.
14 set testdir [file dirname $argv0]
15 source $testdir/tester.tcl
16 set testprefix indexexpr2
19 CREATE TABLE t1(a, b);
20 INSERT INTO t1 VALUES(1, 'one');
21 INSERT INTO t1 VALUES(2, 'two');
22 INSERT INTO t1 VALUES(3, 'three');
24 CREATE INDEX i1 ON t1(b || 'x');
28 SELECT 'TWOX' == (b || 'x') FROM t1 WHERE (b || 'x')>'onex'
32 SELECT 'TWOX' == (b || 'x') COLLATE nocase FROM t1 WHERE (b || 'x')>'onex'
36 CREATE INDEX i2 ON t1(a+1);
40 SELECT a+1, quote(a+1) FROM t1 ORDER BY 1;
43 #-------------------------------------------------------------------------
44 # At one point SQLite was incorrectly using indexes on expressions to
45 # optimize ORDER BY and GROUP BY clauses even when the collation
46 # sequences of the query and index did not match (ticket [e20dd54ab0e4]).
47 # The following tests - 3.* - attempt to verify that this has been fixed.
51 do_execsql_test 3.1.0 {
52 CREATE TABLE t1(a, b);
53 CREATE INDEX i1 ON t1(a, b);
57 SELECT b FROM t1 WHERE b IS NOT NULL AND a IS NULL
58 GROUP BY b COLLATE nocase
59 ORDER BY b COLLATE nocase;
60 } {/USE TEMP B-TREE FOR GROUP BY/}
62 do_execsql_test 3.2.0 {
65 INSERT INTO t2 VALUES('.ABC');
66 INSERT INTO t2 VALUES('.abcd');
67 INSERT INTO t2 VALUES('.defg');
68 INSERT INTO t2 VALUES('.DEF');
71 do_execsql_test 3.2.1 {
72 SELECT x FROM t2 ORDER BY substr(x, 2) COLLATE nocase;
77 do_execsql_test 3.2.2 {
78 CREATE INDEX i2 ON t2( substr(x, 2) );
79 SELECT x FROM t2 ORDER BY substr(x, 2) COLLATE nocase;
84 do_execsql_test 3.3.0 {
90 SELECT json_extract(x, '$.b') FROM t2
91 WHERE json_extract(x, '$.b') IS NOT NULL AND json_extract(x, '$.a') IS NULL
92 GROUP BY json_extract(x, '$.b') COLLATE nocase
93 ORDER BY json_extract(x, '$.b') COLLATE nocase;
94 } [string map {"\n " \n} {
97 `--USE TEMP B-TREE FOR GROUP BY
100 do_execsql_test 3.3.2 {
101 CREATE INDEX i3 ON t3(json_extract(x, '$.a'), json_extract(x, '$.b'));
105 SELECT json_extract(x, '$.b') FROM t3
106 WHERE json_extract(x, '$.b') IS NOT NULL AND json_extract(x, '$.a') IS NULL
107 GROUP BY json_extract(x, '$.b') COLLATE nocase
108 ORDER BY json_extract(x, '$.b') COLLATE nocase;
109 } [string map {"\n " \n} {
111 |--SEARCH t3 USING INDEX i3 (<expr>=?)
112 `--USE TEMP B-TREE FOR GROUP BY
116 do_execsql_test 3.4.0 {
117 CREATE TABLE t4(a, b);
118 INSERT INTO t4 VALUES('.ABC', 1);
119 INSERT INTO t4 VALUES('.abc', 2);
120 INSERT INTO t4 VALUES('.ABC', 3);
121 INSERT INTO t4 VALUES('.abc', 4);
124 do_execsql_test 3.4.1 {
126 WHERE substr(a, 2) = 'abc' COLLATE NOCASE
127 ORDER BY substr(a, 2), b;
129 .ABC 1 .ABC 3 .abc 2 .abc 4
132 do_execsql_test 3.4.2 {
133 CREATE INDEX i4 ON t4( substr(a, 2) COLLATE NOCASE, b );
135 WHERE substr(a, 2) = 'abc' COLLATE NOCASE
136 ORDER BY substr(a, 2), b;
138 .ABC 1 .ABC 3 .abc 2 .abc 4
141 do_execsql_test 3.4.3 {
143 UPDATE t4 SET a = printf('%s%d',a,b);
144 SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE nocase;
145 } {.ABC1 1 .abc2 2 .ABC3 3 .abc4 4}
146 do_execsql_test 3.4.4 {
147 SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE binary;
148 } {.ABC1 1 .ABC3 3 .abc2 2 .abc4 4}
150 do_execsql_test 3.4.5 {
151 CREATE INDEX i4 ON t4( Substr(a,-2) COLLATE nocase );
152 SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE nocase;
153 } {.ABC1 1 .abc2 2 .ABC3 3 .abc4 4}
154 do_execsql_test 3.4.5eqp {
156 SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE nocase;
157 } {/SCAN t4 USING INDEX i4/}
158 do_execsql_test 3.4.6 {
159 SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE binary;
160 } {.ABC1 1 .ABC3 3 .abc2 2 .abc4 4}
162 # 2014-09-15: Verify that UPDATEs of columns not referenced by a
163 # index on expression do not modify the index.
165 unset -nocomplain cnt
174 db function refcnt -deterministic refcnt
177 CREATE TABLE t1(a,b,c,d,e,f);
178 CREATE INDEX t1abc ON t1(refcnt(a+b+c));
183 db eval {INSERT INTO t1 VALUES(1,2,3,4,5,6);}
185 # The refcnt() function is invoked once to compute the index value
189 db eval {UPDATE t1 SET b=b+1;}
191 # The refcnt() function is invoked twice, once to remove the old index
192 # entry and a second time to insert the new one.
196 db eval {UPDATE t1 SET d=d+1;}
198 # Refcnt() should not be invoked because that index does not change.
201 # Additional test cases to show that UPDATE does not modify indexes that
202 # do not involve unchanged columns.
205 load_static_extension db explain
206 do_execsql_test 4.200 {
207 CREATE TABLE t2(a,b,c,d,e,f);
208 INSERT INTO t2 VALUES(2,3,4,5,6,7);
209 CREATE INDEX t2abc ON t2(a+b+c);
210 CREATE INDEX t2cd ON t2(c*d);
211 CREATE INDEX t2def ON t2(d,e+25*f);
212 SELECT sqlite_master.name
213 FROM sqlite_master, explain('UPDATE t2 SET b=b+1')
214 WHERE explain.opcode LIKE 'Open%'
215 AND sqlite_master.rootpage=explain.p2
218 do_execsql_test 4.210 {
219 SELECT sqlite_master.name
220 FROM sqlite_master, explain('UPDATE t2 SET c=c+1')
221 WHERE explain.opcode LIKE 'Open%'
222 AND sqlite_master.rootpage=explain.p2
225 do_execsql_test 4.220 {
226 SELECT sqlite_master.name
227 FROM sqlite_master, explain('UPDATE t2 SET c=c+1, f=NULL')
228 WHERE explain.opcode LIKE 'Open%'
229 AND sqlite_master.rootpage=explain.p2
231 } {t2 t2abc t2cd t2def}
234 #-------------------------------------------------------------------------
235 # Test that ticket [d96eba87] has been fixed.
237 do_execsql_test 5.0 {
238 CREATE TABLE t5(a INTEGER, b INTEGER);
239 INSERT INTO t5 VALUES(2, 4), (3, 9);
241 do_execsql_test 5.1 {
242 SELECT * FROM t5 WHERE abs(a)=2 or abs(b)=9;
244 do_execsql_test 5.2 {
245 CREATE INDEX t5a ON t5( abs(a) );
246 CREATE INDEX t5b ON t5( abs(b) );
248 do_execsql_test 5.4 {
249 SELECT * FROM t5 WHERE abs(a)=2 or abs(b)=9;
252 #-------------------------------------------------------------------------
253 do_execsql_test 6.0 {
254 CREATE TABLE x1(a INTEGER PRIMARY KEY, b);
255 INSERT INTO x1 VALUES
256 (1, 123), (2, '123'), (3, '123abc'), (4, 123.0), (5, 1234);
259 do_execsql_test 6.1.1 {
260 SELECT a, b FROM x1 WHERE CAST(b AS INTEGER) = 123;
261 } {1 123 2 123 3 123abc 4 123.0}
262 do_execsql_test 6.1.2 {
263 CREATE INDEX x1i ON x1( CAST(b AS INTEGER) );
264 SELECT a, b FROM x1 WHERE CAST(b AS INTEGER) = 123;
265 } {1 123 2 123 3 123abc 4 123.0}
267 SELECT a, b FROM x1 WHERE CAST(b AS INTEGER) = 123;
268 } {SEARCH x1 USING INDEX x1i (<expr>=?)}
270 do_execsql_test 6.2.1 {
271 SELECT a, b FROM x1 WHERE CAST(b AS TEXT) = 123;
273 do_execsql_test 6.2.2 {
274 CREATE INDEX x1i2 ON x1( CAST(b AS TEXT) );
275 SELECT a, b FROM x1 WHERE CAST(b AS TEXT) = 123;
278 SELECT a, b FROM x1 WHERE CAST(b AS TEXT) = 123;
279 } {SEARCH x1 USING INDEX x1i2 (<expr>=?)}
281 do_execsql_test 7.0 {
282 CREATE TABLE IF NOT EXISTS t0(c0);
283 INSERT INTO t0(c0) VALUES (-9223372036854775808);
286 do_catchsql_test 7.1 {
287 CREATE INDEX i0 ON t0(ABS(c0));
288 } {1 {integer overflow}}
289 do_execsql_test 7.2 {
291 SELECT sql FROM sqlite_master WHERE tbl_name = 't0';
292 CREATE INDEX i0 ON t0(c0);
293 } {{CREATE TABLE t0(c0)}}
294 do_execsql_test 7.3 {
298 #-------------------------------------------------------------------------
300 do_execsql_test 8.0 {
302 CREATE INDEX i0 ON t0(c0) WHERE c0 NOT NULL;
303 INSERT INTO t0(c0) VALUES (NULL);
306 do_execsql_test 8.1.1 {
307 SELECT * FROM t0 WHERE ~('' BETWEEN t0.c0 AND TRUE);
309 do_execsql_test 8.1.2 {
310 SELECT ~('' BETWEEN t0.c0 AND TRUE) FROM t0;
314 1 " 0 == (34 BETWEEN c0 AND 33)"
315 2 " 1 != (34 BETWEEN c0 AND 33)"
316 3 "-1 < (34 BETWEEN c0 AND 33)"
317 4 "-1 <= (34 BETWEEN c0 AND 33)"
318 5 " 1 > (34 BETWEEN c0 AND 33)"
319 6 " 1 >= (34 BETWEEN c0 AND 33)"
320 7 " 1 - (34 BETWEEN c0 AND 33)"
321 8 "-1 + (34 BETWEEN c0 AND 33)"
322 9 " 1 | (34 BETWEEN c0 AND 33)"
323 10 " 1 << (34 BETWEEN c0 AND 33)"
324 11 " 1 >> (34 BETWEEN c0 AND 33)"
325 12 " 1 || (34 BETWEEN c0 AND 33)"
327 do_execsql_test 8.3.$tn.1 "SELECT * FROM t0 WHERE $expr ORDER BY c0" { {} }
328 do_execsql_test 8.3.$tn.2 "SELECT ($expr) IS TRUE FROM t0" { 1 }
331 do_execsql_test 8.4 {
332 CREATE TABLE t1(a, b);
333 INSERT INTO t1 VALUES(1, 2), (3, 4);
334 CREATE TABLE t2(x, y);
338 1 " 0 == (a=0 AND y=1)"
339 2 " 1 != (a=0 AND y=1)"
340 3 "-1 < (a=0 AND y=1)"
341 4 "-1 <= (a=0 AND y=1)"
342 5 " 1 > (a=0 AND y=1)"
343 6 " 1 >= (a=0 AND y=1)"
344 7 " 1 - (a=0 AND y=1)"
345 8 "-1 + (a=0 AND y=1)"
346 9 " 1 | (a=0 AND y=1)"
347 10 "1 << (a=0 AND y=1)"
348 11 "1 >> (a=0 AND y=1)"
349 12 "1 || (a=0 AND y=1)"
351 13 " 0 == (10 BETWEEN y AND b)"
352 14 " 1 != (10 BETWEEN y AND b)"
353 15 "-1 < (10 BETWEEN y AND b)"
354 16 "-1 <= (10 BETWEEN y AND b)"
355 17 " 1 > (10 BETWEEN y AND b)"
356 18 " 1 >= (10 BETWEEN y AND b)"
357 19 " 1 - (10 BETWEEN y AND b)"
358 20 "-1 + (10 BETWEEN y AND b)"
359 21 " 1 | (10 BETWEEN y AND b)"
360 22 " 1 << (10 BETWEEN y AND b)"
361 23 " 1 >> (10 BETWEEN y AND b)"
362 24 " 1 || (10 BETWEEN y AND b)"
364 25 " 1 || (10 BETWEEN y AND b)"
366 do_execsql_test 8.5.$tn.1 "
367 SELECT * FROM t1 LEFT JOIN t2 WHERE $expr
368 " {1 2 {} {} 3 4 {} {}}
370 do_execsql_test 8.5.$tn.2 "
371 SELECT ($expr) IS TRUE FROM t1 LEFT JOIN t2