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Overview
Comment: | Fix a problem with virtual tables and joins. (CVS 3278) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
643e63e5883eec109a91a44dae62b586 |
User & Date: | danielk1977 2006-06-21 07:02:33.000 |
Context
2006-06-21
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07:34 | Test cases for accessing virtual tables when the corresponding module is undefined. (CVS 3279) (check-in: bcef48c54d user: danielk1977 tags: trunk) | |
07:02 | Fix a problem with virtual tables and joins. (CVS 3278) (check-in: 643e63e588 user: danielk1977 tags: trunk) | |
2006-06-20
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13:07 | Fix some problems with virtual tables and joins in where.c. (CVS 3277) (check-in: 3e19a7d8ea user: danielk1977 tags: trunk) | |
Changes
Changes to src/select.c.
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8 9 10 11 12 13 14 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains C code routines that are called by the parser ** to handle SELECT statements in SQLite. ** | | | 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains C code routines that are called by the parser ** to handle SELECT statements in SQLite. ** ** $Id: select.c,v 1.318 2006/06/21 07:02:33 danielk1977 Exp $ */ #include "sqliteInt.h" /* ** Delete all the content of a Select structure but do not deallocate ** the select structure itself. |
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2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 | assert( pExpr->pLeft==0 ); pExpr->pLeft = sqlite3ExprDup(pNew->pLeft); assert( pExpr->pRight==0 ); pExpr->pRight = sqlite3ExprDup(pNew->pRight); assert( pExpr->pList==0 ); pExpr->pList = sqlite3ExprListDup(pNew->pList); pExpr->iTable = pNew->iTable; pExpr->iColumn = pNew->iColumn; pExpr->iAgg = pNew->iAgg; sqlite3TokenCopy(&pExpr->token, &pNew->token); sqlite3TokenCopy(&pExpr->span, &pNew->span); pExpr->pSelect = sqlite3SelectDup(pNew->pSelect); pExpr->flags = pNew->flags; } | > | 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 | assert( pExpr->pLeft==0 ); pExpr->pLeft = sqlite3ExprDup(pNew->pLeft); assert( pExpr->pRight==0 ); pExpr->pRight = sqlite3ExprDup(pNew->pRight); assert( pExpr->pList==0 ); pExpr->pList = sqlite3ExprListDup(pNew->pList); pExpr->iTable = pNew->iTable; pExpr->pTab = pNew->pTab; pExpr->iColumn = pNew->iColumn; pExpr->iAgg = pNew->iAgg; sqlite3TokenCopy(&pExpr->token, &pNew->token); sqlite3TokenCopy(&pExpr->span, &pNew->span); pExpr->pSelect = sqlite3SelectDup(pNew->pSelect); pExpr->flags = pNew->flags; } |
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Changes to src/test8.c.
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9 10 11 12 13 14 15 | ** May you share freely, never taking more than you give. ** ************************************************************************* ** Code for testing the virtual table interfaces. This code ** is not included in the SQLite library. It is used for automated ** testing of the SQLite library. ** | | | 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | ** May you share freely, never taking more than you give. ** ************************************************************************* ** Code for testing the virtual table interfaces. This code ** is not included in the SQLite library. It is used for automated ** testing of the SQLite library. ** ** $Id: test8.c,v 1.28 2006/06/21 07:02:34 danielk1977 Exp $ */ #include "sqliteInt.h" #include "tcl.h" #include "os.h" #include <stdlib.h> #include <string.h> |
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321 322 323 324 325 326 327 | static int echoColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){ int iCol = i + 1; sqlite3_stmt *pStmt = ((echo_cursor *)cur)->pStmt; if( ((echo_cursor *)cur)->errcode ){ return ((echo_cursor *)cur)->errcode; } | | > > | | > | 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 | static int echoColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){ int iCol = i + 1; sqlite3_stmt *pStmt = ((echo_cursor *)cur)->pStmt; if( ((echo_cursor *)cur)->errcode ){ return ((echo_cursor *)cur)->errcode; } if( !pStmt ){ sqlite3_result_null(ctx); }else{ assert( sqlite3_data_count(pStmt)>iCol ); sqlite3_result_value(ctx, sqlite3_column_value(pStmt, iCol)); } return SQLITE_OK; } static int echoRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){ sqlite3_stmt *pStmt = ((echo_cursor *)cur)->pStmt; *pRowid = sqlite3_column_int64(pStmt, 0); return SQLITE_OK; |
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369 370 371 372 373 374 375 376 377 378 379 380 381 382 | echo_vtab *pVtab = (echo_vtab *)pVtabCursor->pVtab; sqlite3 *db = pVtab->db; assert( idxNum==hashString(idxStr) ); sqlite3_finalize(pCur->pStmt); pCur->pStmt = 0; rc = sqlite3_prepare(db, idxStr, -1, &pCur->pStmt, 0); for(i=0; rc==SQLITE_OK && i<argc; i++){ switch( sqlite3_value_type(argv[i]) ){ case SQLITE_INTEGER: { sqlite3_bind_int64(pCur->pStmt, i+1, sqlite3_value_int64(argv[i])); break; } case SQLITE_FLOAT: { | > | 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 | echo_vtab *pVtab = (echo_vtab *)pVtabCursor->pVtab; sqlite3 *db = pVtab->db; assert( idxNum==hashString(idxStr) ); sqlite3_finalize(pCur->pStmt); pCur->pStmt = 0; rc = sqlite3_prepare(db, idxStr, -1, &pCur->pStmt, 0); assert( pCur->pStmt || rc!=SQLITE_OK ); for(i=0; rc==SQLITE_OK && i<argc; i++){ switch( sqlite3_value_type(argv[i]) ){ case SQLITE_INTEGER: { sqlite3_bind_int64(pCur->pStmt, i+1, sqlite3_value_int64(argv[i])); break; } case SQLITE_FLOAT: { |
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Changes to test/vtab1.test.
1 2 3 4 5 6 7 8 9 10 11 12 13 | # 2006 June 10 # # 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. The # focus of this file is creating and dropping virtual tables. # | | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | # 2006 June 10 # # 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. The # focus of this file is creating and dropping virtual tables. # # $Id: vtab1.test,v 1.25 2006/06/21 07:02:34 danielk1977 Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl ifcapable !vtab||!schema_pragmas { finish_test return |
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276 277 278 279 280 281 282 283 284 285 286 287 288 289 | } } {1 2 3 4 5 6} do_test vtab1-3.7 { execsql { SELECT rowid, * FROM t1; } } {1 1 2 3 2 4 5 6} # Execute some SELECT statements with WHERE clauses on the t1 table. # Then check the echo_module variable (written to by the module methods # in test8.c) to make sure the xBestIndex() and xFilter() methods were # called correctly. # do_test vtab1-3.8 { | > > > > > | 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 | } } {1 2 3 4 5 6} do_test vtab1-3.7 { execsql { SELECT rowid, * FROM t1; } } {1 1 2 3 2 4 5 6} do_test vtab1-3.8 { execsql { SELECT a AS d, b AS e, c AS f FROM t1; } } {1 2 3 4 5 6} # Execute some SELECT statements with WHERE clauses on the t1 table. # Then check the echo_module variable (written to by the module methods # in test8.c) to make sure the xBestIndex() and xFilter() methods were # called correctly. # do_test vtab1-3.8 { |
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Added test/vtab6.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 | # 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 involving # virtual tables. The test cases in this file are copied from the file # join.test, and some of the comments still reflect that. # # $Id: vtab6.test,v 1.1 2006/06/21 07:02:34 danielk1977 Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl register_echo_module [sqlite3_connection_pointer db] execsql { CREATE TABLE real_t1(a,b,c); CREATE TABLE real_t2(b,c,d); CREATE TABLE real_t3(c,d,e); CREATE TABLE real_t4(d,e,f); CREATE TABLE real_t5(a INTEGER PRIMARY KEY); CREATE TABLE real_t6(a INTEGER); CREATE TABLE real_t7 (x, y); CREATE TABLE real_t8 (a integer primary key, b); CREATE TABLE real_t9(a INTEGER PRIMARY KEY, b); CREATE TABLE real_t10(x INTEGER PRIMARY KEY, y); CREATE TABLE real_t11(p INTEGER PRIMARY KEY, q); CREATE TABLE real_t12(a,b); CREATE TABLE real_t13(b,c); CREATE TABLE real_t21(a,b,c); CREATE TABLE real_t22(p,q); } foreach t [list t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 t13 t21 t22] { execsql "CREATE VIRTUAL TABLE $t USING echo(real_$t)" } do_test vtab6-1.1 { execsql { INSERT INTO t1 VALUES(1,2,3); INSERT INTO t1 VALUES(2,3,4); INSERT INTO t1 VALUES(3,4,5); SELECT * FROM t1; } } {1 2 3 2 3 4 3 4 5} do_test vtab6-1.2 { execsql { INSERT INTO t2 VALUES(1,2,3); INSERT INTO t2 VALUES(2,3,4); INSERT INTO t2 VALUES(3,4,5); SELECT * FROM t2; } } {1 2 3 2 3 4 3 4 5} do_test vtab6-1.3 { execsql2 { SELECT * FROM t1 NATURAL JOIN t2; } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.3.1 { execsql2 { SELECT * FROM t2 NATURAL JOIN t1; } } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} do_test vtab6-1.3.2 { execsql2 { SELECT * FROM t2 AS x NATURAL JOIN t1; } } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} do_test vtab6-1.3.3 { execsql2 { SELECT * FROM t2 NATURAL JOIN t1 AS y; } } {b 2 c 3 d 4 a 1 b 3 c 4 d 5 a 2} do_test vtab6-1.3.4 { execsql { SELECT b FROM t1 NATURAL JOIN t2; } } {2 3} do_test vtab6-1.4.1 { execsql2 { SELECT * FROM t1 INNER JOIN t2 USING(b,c); } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.4.2 { execsql2 { SELECT * FROM t1 AS x INNER JOIN t2 USING(b,c); } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.4.3 { execsql2 { SELECT * FROM t1 INNER JOIN t2 AS y USING(b,c); } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.4.4 { execsql2 { SELECT * FROM t1 AS x INNER JOIN t2 AS y USING(b,c); } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.4.5 { execsql { SELECT b FROM t1 JOIN t2 USING(b); } } {2 3} do_test vtab6-1.5 { execsql2 { SELECT * FROM t1 INNER JOIN t2 USING(b); } } {a 1 b 2 c 3 c 3 d 4 a 2 b 3 c 4 c 4 d 5} do_test vtab6-1.6 { execsql2 { SELECT * FROM t1 INNER JOIN t2 USING(c); } } {a 1 b 2 c 3 b 2 d 4 a 2 b 3 c 4 b 3 d 5} do_test vtab6-1.7 { execsql2 { SELECT * FROM t1 INNER JOIN t2 USING(c,b); } } {a 1 b 2 c 3 d 4 a 2 b 3 c 4 d 5} do_test vtab6-1.8 { execsql { SELECT * FROM t1 NATURAL CROSS JOIN t2; } } {1 2 3 4 2 3 4 5} do_test vtab6-1.9 { execsql { SELECT * FROM t1 CROSS JOIN t2 USING(b,c); } } {1 2 3 4 2 3 4 5} do_test vtab6-1.10 { execsql { SELECT * FROM t1 NATURAL INNER JOIN t2; } } {1 2 3 4 2 3 4 5} do_test vtab6-1.11 { execsql { SELECT * FROM t1 INNER JOIN t2 USING(b,c); } } {1 2 3 4 2 3 4 5} do_test vtab6-1.12 { execsql { SELECT * FROM t1 natural inner join t2; } } {1 2 3 4 2 3 4 5} ifcapable subquery { breakpoint do_test vtab6-1.13 { execsql2 { SELECT * FROM t1 NATURAL JOIN (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as t3 } } {a 1 b 2 c 3 d 4 e 5} do_test vtab6-1.14 { execsql2 { SELECT * FROM (SELECT b as 'c', c as 'd', d as 'e' FROM t2) as 'tx' NATURAL JOIN t1 } } {c 3 d 4 e 5 a 1 b 2} } do_test vtab6-1.15 { execsql { INSERT INTO t3 VALUES(2,3,4); INSERT INTO t3 VALUES(3,4,5); INSERT INTO t3 VALUES(4,5,6); SELECT * FROM t3; } } {2 3 4 3 4 5 4 5 6} do_test vtab6-1.16 { execsql { SELECT * FROM t1 natural join t2 natural join t3; } } {1 2 3 4 5 2 3 4 5 6} do_test vtab6-1.17 { execsql2 { SELECT * FROM t1 natural join t2 natural join t3; } } {a 1 b 2 c 3 d 4 e 5 a 2 b 3 c 4 d 5 e 6} do_test vtab6-1.18 { execsql { INSERT INTO t4 VALUES(2,3,4); INSERT INTO t4 VALUES(3,4,5); INSERT INTO t4 VALUES(4,5,6); SELECT * FROM t4; } } {2 3 4 3 4 5 4 5 6} do_test vtab6-1.19.1 { execsql { SELECT * FROM t1 natural join t2 natural join t4; } } {1 2 3 4 5 6} do_test vtab6-1.19.2 { execsql2 { SELECT * FROM t1 natural join t2 natural join t4; } } {a 1 b 2 c 3 d 4 e 5 f 6} do_test vtab6-1.20 { execsql { SELECT * FROM t1 natural join t2 natural join t3 WHERE t1.a=1 } } {1 2 3 4 5} do_test vtab6-2.1 { execsql { SELECT * FROM t1 NATURAL LEFT JOIN t2; } } {1 2 3 4 2 3 4 5 3 4 5 {}} do_test vtab6-2.2 { execsql { SELECT * FROM t2 NATURAL LEFT OUTER JOIN t1; } } {1 2 3 {} 2 3 4 1 3 4 5 2} do_test vtab6-2.3 { catchsql { SELECT * FROM t1 NATURAL RIGHT OUTER JOIN t2; } } {1 {RIGHT and FULL OUTER JOINs are not currently supported}} do_test vtab6-2.4 { execsql { SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d } } {1 2 3 {} {} {} 2 3 4 {} {} {} 3 4 5 1 2 3} do_test vtab6-2.5 { execsql { SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t1.a>1 } } {2 3 4 {} {} {} 3 4 5 1 2 3} do_test vtab6-2.6 { execsql { SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.d WHERE t2.b IS NULL OR t2.b>1 } } {1 2 3 {} {} {} 2 3 4 {} {} {}} do_test vtab6-3.1 { catchsql { SELECT * FROM t1 NATURAL JOIN t2 ON t1.a=t2.b; } } {1 {a NATURAL join may not have an ON or USING clause}} do_test vtab6-3.2 { catchsql { SELECT * FROM t1 NATURAL JOIN t2 USING(b); } } {1 {a NATURAL join may not have an ON or USING clause}} do_test vtab6-3.3 { catchsql { SELECT * FROM t1 JOIN t2 ON t1.a=t2.b USING(b); } } {1 {cannot have both ON and USING clauses in the same join}} do_test vtab6-3.4 { catchsql { SELECT * FROM t1 JOIN t2 USING(a); } } {1 {cannot join using column a - column not present in both tables}} do_test vtab6-3.5 { catchsql { SELECT * FROM t1 USING(a); } } {0 {1 2 3 2 3 4 3 4 5}} do_test vtab6-3.6 { catchsql { SELECT * FROM t1 JOIN t2 ON t3.a=t2.b; } } {1 {no such column: t3.a}} do_test vtab6-3.7 { catchsql { SELECT * FROM t1 INNER OUTER JOIN t2; } } {1 {unknown or unsupported join type: INNER OUTER}} do_test vtab6-3.7 { catchsql { SELECT * FROM t1 LEFT BOGUS JOIN t2; } } {1 {unknown or unsupported join type: LEFT BOGUS}} do_test vtab6-4.1 { execsql { BEGIN; INSERT INTO t6 VALUES(NULL); INSERT INTO t6 VALUES(NULL); INSERT INTO t6 SELECT * FROM t6; INSERT INTO t6 SELECT * FROM t6; INSERT INTO t6 SELECT * FROM t6; INSERT INTO t6 SELECT * FROM t6; INSERT INTO t6 SELECT * FROM t6; INSERT INTO t6 SELECT * FROM t6; COMMIT; } execsql { SELECT * FROM t6 NATURAL JOIN t5; } } {} do_test vtab6-4.2 { execsql { SELECT * FROM t6, t5 WHERE t6.a<t5.a; } } {} do_test vtab6-4.3 { execsql { SELECT * FROM t6, t5 WHERE t6.a>t5.a; } } {} do_test vtab6-4.4 { execsql { UPDATE t6 SET a='xyz'; SELECT * FROM t6 NATURAL JOIN t5; } } {} do_test vtab6-4.6 { execsql { SELECT * FROM t6, t5 WHERE t6.a<t5.a; } } {} do_test vtab6-4.7 { execsql { SELECT * FROM t6, t5 WHERE t6.a>t5.a; } } {} do_test vtab6-4.8 { execsql { UPDATE t6 SET a=1; SELECT * FROM t6 NATURAL JOIN t5; } } {} do_test vtab6-4.9 { execsql { SELECT * FROM t6, t5 WHERE t6.a<t5.a; } } {} do_test vtab6-4.10 { execsql { SELECT * FROM t6, t5 WHERE t6.a>t5.a; } } {} # A test for ticket #247. # do_test vtab6-7.1 { execsql { INSERT INTO t7 VALUES ("pa1", 1); INSERT INTO t7 VALUES ("pa2", NULL); INSERT INTO t7 VALUES ("pa3", NULL); INSERT INTO t7 VALUES ("pa4", 2); INSERT INTO t7 VALUES ("pa30", 131); INSERT INTO t7 VALUES ("pa31", 130); INSERT INTO t7 VALUES ("pa28", NULL); INSERT INTO t8 VALUES (1, "pa1"); INSERT INTO t8 VALUES (2, "pa4"); INSERT INTO t8 VALUES (3, NULL); INSERT INTO t8 VALUES (4, NULL); INSERT INTO t8 VALUES (130, "pa31"); INSERT INTO t8 VALUES (131, "pa30"); SELECT coalesce(t8.a,999) from t7 LEFT JOIN t8 on y=a; } } {1 999 999 2 131 130 999} # Make sure a left join where the right table is really a view that # is itself a join works right. Ticket #306. # ifcapable view { do_test vtab6-8.1 { execsql { BEGIN; INSERT INTO t9 VALUES(1,11); INSERT INTO t9 VALUES(2,22); INSERT INTO t10 VALUES(1,2); INSERT INTO t10 VALUES(3,3); INSERT INTO t11 VALUES(2,111); INSERT INTO t11 VALUES(3,333); CREATE VIEW v10_11 AS SELECT x, q FROM t10, t11 WHERE t10.y=t11.p; COMMIT; SELECT * FROM t9 LEFT JOIN v10_11 ON( a=x ); } } {1 11 1 111 2 22 {} {}} ifcapable subquery { do_test vtab6-8.2 { execsql { SELECT * FROM t9 LEFT JOIN (SELECT x, q FROM t10, t11 WHERE t10.y=t11.p) ON( a=x); } } {1 11 1 111 2 22 {} {}} } do_test vtab6-8.3 { execsql { SELECT * FROM v10_11 LEFT JOIN t9 ON( a=x ); } } {1 111 1 11 3 333 {} {}} } ;# ifcapable view # Ticket #350 describes a scenario where LEFT OUTER JOIN does not # function correctly if the right table in the join is really # subquery. # # To test the problem, we generate the same LEFT OUTER JOIN in two # separate selects but with on using a subquery and the other calling # the table directly. Then connect the two SELECTs using an EXCEPT. # Both queries should generate the same results so the answer should # be an empty set. # ifcapable compound { do_test vtab6-9.1 { execsql { BEGIN; INSERT INTO t12 VALUES(1,11); INSERT INTO t12 VALUES(2,22); INSERT INTO t13 VALUES(22,222); COMMIT; } } {} ifcapable subquery { do_test vtab6-9.1.1 { execsql { SELECT * FROM t12 NATURAL LEFT JOIN t13 EXCEPT SELECT * FROM t12 NATURAL LEFT JOIN (SELECT * FROM t13 WHERE b>0); } } {} } ifcapable view { do_test vtab6-9.2 { execsql { CREATE VIEW v13 AS SELECT * FROM t13 WHERE b>0; SELECT * FROM t12 NATURAL LEFT JOIN t13 EXCEPT SELECT * FROM t12 NATURAL LEFT JOIN v13; } } {} } ;# ifcapable view } ;# ifcapable compound ifcapable subquery { do_test vtab6-10.1 { execsql { CREATE INDEX i22 ON real_t22(q); SELECT a FROM t21 LEFT JOIN t22 ON b=p WHERE q= (SELECT max(m.q) FROM t22 m JOIN t21 n ON n.b=m.p WHERE n.c=1); } } {} } ;# ifcapable subquery finish_test |