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
|
# 2002 May 24
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# This file implements tests for joins, including outer joins.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix join2
do_test join2-1.1 {
execsql {
CREATE TABLE t1(a,b);
INSERT INTO t1 VALUES(1,11);
INSERT INTO t1 VALUES(2,22);
INSERT INTO t1 VALUES(3,33);
SELECT * FROM t1;
}
} {1 11 2 22 3 33}
do_test join2-1.2 {
execsql {
CREATE TABLE t2(b,c);
INSERT INTO t2 VALUES(11,111);
INSERT INTO t2 VALUES(33,333);
INSERT INTO t2 VALUES(44,444);
SELECT * FROM t2;
}
} {11 111 33 333 44 444};
do_test join2-1.3 {
execsql {
CREATE TABLE t3(c,d);
INSERT INTO t3 VALUES(111,1111);
INSERT INTO t3 VALUES(444,4444);
INSERT INTO t3 VALUES(555,5555);
SELECT * FROM t3;
}
} {111 1111 444 4444 555 5555}
do_test join2-1.4 {
execsql {
SELECT * FROM
t1 NATURAL JOIN t2 NATURAL JOIN t3
}
} {1 11 111 1111}
do_test join2-1.5 {
execsql {
SELECT * FROM
t1 NATURAL JOIN t2 NATURAL LEFT OUTER JOIN t3
}
} {1 11 111 1111 3 33 333 {}}
do_test join2-1.6 {
execsql {
SELECT * FROM
t1 NATURAL LEFT OUTER JOIN t2 NATURAL JOIN t3
}
} {1 11 111 1111}
ifcapable subquery {
do_test join2-1.7 {
execsql {
SELECT * FROM
t1 NATURAL LEFT OUTER JOIN (t2 NATURAL JOIN t3)
}
} {1 11 111 1111 2 22 {} {} 3 33 {} {}}
}
#-------------------------------------------------------------------------
# Check that ticket [25e335f802ddc] has been resolved. It should be an
# error for the ON clause of a LEFT JOIN to refer to a table to its right.
#
do_execsql_test 2.0 {
CREATE TABLE aa(a);
CREATE TABLE bb(b);
CREATE TABLE cc(c);
INSERT INTO aa VALUES('one');
INSERT INTO bb VALUES('one');
INSERT INTO cc VALUES('one');
}
do_catchsql_test 2.1 {
SELECT * FROM aa LEFT JOIN cc ON (a=b) JOIN bb ON (b=coalesce(c,1));
} {1 {ON clause references tables to its right}}
do_catchsql_test 2.2 {
SELECT * FROM aa JOIN cc ON (a=b) JOIN bb ON (b=c);
} {0 {one one one}}
#-------------------------------------------------------------------------
# Test that a problem causing where.c to overlook opportunities to
# omit unnecessary tables from a LEFT JOIN when UNIQUE, NOT NULL column
# that makes this possible happens to be the leftmost in its table.
#
reset_db
do_execsql_test 3.0 {
CREATE TABLE t1(k1 INTEGER PRIMARY KEY, k2, k3);
CREATE TABLE t2(k2 INTEGER PRIMARY KEY, v2);
-- Prior to this problem being fixed, table t3_2 would be omitted from
-- the join queries below, but if t3_1 were used in its place it would
-- not.
CREATE TABLE t3_1(k3 PRIMARY KEY, v3) WITHOUT ROWID;
CREATE TABLE t3_2(v3, k3 PRIMARY KEY) WITHOUT ROWID;
}
do_eqp_test 3.1 {
SELECT v2 FROM t1 LEFT JOIN t2 USING (k2) LEFT JOIN t3_1 USING (k3);
} {
QUERY PLAN
|--SCAN TABLE t1
`--SEARCH TABLE t2 USING INTEGER PRIMARY KEY (rowid=?)
}
do_eqp_test 3.2 {
SELECT v2 FROM t1 LEFT JOIN t2 USING (k2) LEFT JOIN t3_2 USING (k3);
} {
QUERY PLAN
|--SCAN TABLE t1
`--SEARCH TABLE t2 USING INTEGER PRIMARY KEY (rowid=?)
}
#-------------------------------------------------------------------------
# Test that tables other than the rightmost can be omitted from a
# LEFT JOIN query.
#
do_execsql_test 4.0 {
CREATE TABLE c1(k INTEGER PRIMARY KEY, v1);
CREATE TABLE c2(k INTEGER PRIMARY KEY, v2);
CREATE TABLE c3(k INTEGER PRIMARY KEY, v3);
INSERT INTO c1 VALUES(1, 2);
INSERT INTO c2 VALUES(2, 3);
INSERT INTO c3 VALUES(3, 'v3');
INSERT INTO c1 VALUES(111, 1112);
INSERT INTO c2 VALUES(112, 1113);
INSERT INTO c3 VALUES(113, 'v1113');
}
do_execsql_test 4.1.1 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 ON (c2.k=v1) LEFT JOIN c3 ON (c3.k=v2);
} {2 v3 1112 {}}
do_execsql_test 4.1.2 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 ON (c2.k=v1) LEFT JOIN c3 ON (c3.k=v1+1);
} {2 v3 1112 {}}
do_execsql_test 4.1.3 {
SELECT DISTINCT v1, v3 FROM c1 LEFT JOIN c2 LEFT JOIN c3 ON (c3.k=v1+1);
} {2 v3 1112 {}}
do_execsql_test 4.1.4 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 LEFT JOIN c3 ON (c3.k=v1+1);
} {2 v3 2 v3 1112 {} 1112 {}}
do_eqp_test 4.1.5 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 ON (c2.k=v1) LEFT JOIN c3 ON (c3.k=v2);
} {
QUERY PLAN
|--SCAN TABLE c1
|--SEARCH TABLE c2 USING INTEGER PRIMARY KEY (rowid=?)
`--SEARCH TABLE c3 USING INTEGER PRIMARY KEY (rowid=?)
}
do_eqp_test 4.1.6 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 ON (c2.k=v1) LEFT JOIN c3 ON (c3.k=v1+1);
} {
QUERY PLAN
|--SCAN TABLE c1
`--SEARCH TABLE c3 USING INTEGER PRIMARY KEY (rowid=?)
}
do_execsql_test 4.2.0 {
DROP TABLE c1;
DROP TABLE c2;
DROP TABLE c3;
CREATE TABLE c1(k UNIQUE, v1);
CREATE TABLE c2(k UNIQUE, v2);
CREATE TABLE c3(k UNIQUE, v3);
INSERT INTO c1 VALUES(1, 2);
INSERT INTO c2 VALUES(2, 3);
INSERT INTO c3 VALUES(3, 'v3');
INSERT INTO c1 VALUES(111, 1112);
INSERT INTO c2 VALUES(112, 1113);
INSERT INTO c3 VALUES(113, 'v1113');
}
do_execsql_test 4.2.1 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 ON (c2.k=v1) LEFT JOIN c3 ON (c3.k=v2);
} {2 v3 1112 {}}
do_execsql_test 4.2.2 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 ON (c2.k=v1) LEFT JOIN c3 ON (c3.k=v1+1);
} {2 v3 1112 {}}
do_execsql_test 4.2.3 {
SELECT DISTINCT v1, v3 FROM c1 LEFT JOIN c2 LEFT JOIN c3 ON (c3.k=v1+1);
} {2 v3 1112 {}}
do_execsql_test 4.2.4 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 LEFT JOIN c3 ON (c3.k=v1+1);
} {2 v3 2 v3 1112 {} 1112 {}}
do_eqp_test 4.2.5 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 ON (c2.k=v1) LEFT JOIN c3 ON (c3.k=v2);
} {
QUERY PLAN
|--SCAN TABLE c1
|--SEARCH TABLE c2 USING INDEX sqlite_autoindex_c2_1 (k=?)
`--SEARCH TABLE c3 USING INDEX sqlite_autoindex_c3_1 (k=?)
}
do_eqp_test 4.2.6 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 ON (c2.k=v1) LEFT JOIN c3 ON (c3.k=v1+1);
} {
QUERY PLAN
|--SCAN TABLE c1
`--SEARCH TABLE c3 USING INDEX sqlite_autoindex_c3_1 (k=?)
}
# 2017-11-23 (Thanksgiving day)
# OSSFuzz found an assertion fault in the new LEFT JOIN eliminator code.
#
do_execsql_test 4.3.0 {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1(x PRIMARY KEY) WITHOUT ROWID;
CREATE TABLE t2(x);
SELECT a.x
FROM t1 AS a
LEFT JOIN t1 AS b ON (a.x=b.x)
LEFT JOIN t2 AS c ON (a.x=c.x);
} {}
do_execsql_test 4.3.1 {
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<10)
INSERT INTO t1(x) SELECT x FROM c;
INSERT INTO t2(x) SELECT x+9 FROM t1;
SELECT a.x, c.x
FROM t1 AS a
LEFT JOIN t1 AS b ON (a.x=b.x)
LEFT JOIN t2 AS c ON (a.x=c.x);
} {1 {} 2 {} 3 {} 4 {} 5 {} 6 {} 7 {} 8 {} 9 {} 10 10}
do_execsql_test 5.0 {
CREATE TABLE s1 (a INTEGER PRIMARY KEY);
CREATE TABLE s2 (a INTEGER PRIMARY KEY);
CREATE TABLE s3 (a INTEGER);
CREATE UNIQUE INDEX ndx on s3(a);
}
do_eqp_test 5.1 {
SELECT s1.a FROM s1 left join s2 using (a);
} {SCAN TABLE s1}
do_eqp_test 5.2 {
SELECT s1.a FROM s1 left join s3 using (a);
} {SCAN TABLE s1}
do_execsql_test 6.0 {
CREATE TABLE u1(a INTEGER PRIMARY KEY, b, c);
CREATE TABLE u2(a INTEGER PRIMARY KEY, b, c);
CREATE INDEX u1ab ON u1(b, c);
}
do_eqp_test 6.1 {
SELECT u2.* FROM u2 LEFT JOIN u1 ON( u1.a=u2.a AND u1.b=u2.b AND u1.c=u2.c );
} {SCAN TABLE u2}
db close
sqlite3 db :memory:
do_execsql_test 7.0 {
CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(1,2),(3,4),(5,6);
CREATE TABLE t2(c,d); INSERT INTO t2 VALUES(2,4),(3,6);
CREATE TABLE t3(x); INSERT INTO t3 VALUES(9);
CREATE VIEW test AS
SELECT *, 'x'
FROM t1 LEFT JOIN (SELECT * FROM t2, t3) ON (c=b AND x=9)
WHERE c IS NULL;
SELECT * FROM test;
} {3 4 {} {} {} x 5 6 {} {} {} x}
#-------------------------------------------------------------------------
# Ticket [dfd66334].
#
reset_db
do_execsql_test 8.0 {
CREATE TABLE t0(c0);
CREATE TABLE t1(c0);
}
do_execsql_test 8.1 {
SELECT * FROM t0 LEFT JOIN t1
WHERE (t1.c0 BETWEEN 0 AND 0) > ('' AND t0.c0);
}
#-------------------------------------------------------------------------
# Ticket [45f4bf4eb] reported by Manuel Rigger (2020-04-25)
#
# Follow up error reported by Eric Speckman on the SQLite forum
# https://sqlite.org/forum/info/c49496d24d35bd7c (2020-08-19)
#
reset_db
do_execsql_test 9.0 {
CREATE TABLE t0(c0 INT);
CREATE VIEW v0(c0) AS SELECT CAST(t0.c0 AS INTEGER) FROM t0;
INSERT INTO t0(c0) VALUES (0);
}
do_execsql_test 9.1 {
SELECT typeof(c0), c0 FROM v0 WHERE c0>='0'
} {integer 0}
do_execsql_test 9.2 {
SELECT * FROM t0, v0 WHERE v0.c0 >= '0';
} {0 0}
do_execsql_test 9.3 {
SELECT * FROM t0 LEFT JOIN v0 WHERE v0.c0 >= '0';
} {0 0}
do_execsql_test 9.4 {
SELECT * FROM t0 LEFT JOIN v0 ON v0.c0 >= '0';
} {0 0}
do_execsql_test 9.5 {
SELECT * FROM t0 LEFT JOIN v0 ON v0.c0 >= '0' WHERE TRUE
UNION SELECT 0,0 WHERE 0;
} {0 0}
do_execsql_test 9.10 {
CREATE TABLE t1 (aaa);
INSERT INTO t1 VALUES(23456);
CREATE TABLE t2(bbb);
CREATE VIEW v2(ccc) AS SELECT bbb IS 1234 FROM t2;
SELECT ccc, ccc IS NULL AS ddd FROM t1 LEFT JOIN v2;
} {{} 1}
optimization_control db query-flattener 0
do_execsql_test 9.11 {
SELECT ccc, ccc IS NULL AS ddd FROM t1 LEFT JOIN v2;
} {{} 1}
finish_test
|