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Overview
Comment: | Fix long-standing bugs with the handling of LIMIT clausing in compound SELECT statements with FROM clause subqueries. Ticket [38cb5df375078d3f9]. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
b0450120eabfe5455cea1ed04cec587a |
User & Date: | drh 2010-10-06 18:55:37.000 |
Context
2010-10-06
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20:25 | Update the configure script and Makefile so that they work with 3.7.3. (check-in: 97b63a1168 user: drh tags: trunk) | |
18:55 | Fix long-standing bugs with the handling of LIMIT clausing in compound SELECT statements with FROM clause subqueries. Ticket [38cb5df375078d3f9]. (check-in: b0450120ea user: drh tags: trunk) | |
16:42 | Fix minor test suite problems causing errors on OSX. (check-in: 759c954fee user: dan tags: trunk) | |
Changes
Changes to src/select.c.
︙ | ︙ | |||
438 439 440 441 442 443 444 | addr1 = sqlite3VdbeAddOp1(v, OP_IfZero, iLimit); sqlite3VdbeAddOp2(v, OP_AddImm, iLimit, -1); addr2 = sqlite3VdbeAddOp0(v, OP_Goto); sqlite3VdbeJumpHere(v, addr1); sqlite3VdbeAddOp1(v, OP_Last, pOrderBy->iECursor); sqlite3VdbeAddOp1(v, OP_Delete, pOrderBy->iECursor); sqlite3VdbeJumpHere(v, addr2); | < | 438 439 440 441 442 443 444 445 446 447 448 449 450 451 | addr1 = sqlite3VdbeAddOp1(v, OP_IfZero, iLimit); sqlite3VdbeAddOp2(v, OP_AddImm, iLimit, -1); addr2 = sqlite3VdbeAddOp0(v, OP_Goto); sqlite3VdbeJumpHere(v, addr1); sqlite3VdbeAddOp1(v, OP_Last, pOrderBy->iECursor); sqlite3VdbeAddOp1(v, OP_Delete, pOrderBy->iECursor); sqlite3VdbeJumpHere(v, addr2); } } /* ** Add code to implement the OFFSET */ static void codeOffset( |
︙ | ︙ | |||
717 718 719 720 721 722 723 | default: { assert( eDest==SRT_Discard ); break; } #endif } | | > > | < < | 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 | default: { assert( eDest==SRT_Discard ); break; } #endif } /* Jump to the end of the loop if the LIMIT is reached. Except, if ** there is a sorter, in which case the sorter has already limited ** the output for us. */ if( pOrderBy==0 && p->iLimit ){ sqlite3VdbeAddOp3(v, OP_IfZero, p->iLimit, iBreak, -1); } } /* ** Given an expression list, generate a KeyInfo structure that records ** the collating sequence for each expression in that expression list. |
︙ | ︙ | |||
856 857 858 859 860 861 862 | } break; } } sqlite3ReleaseTempReg(pParse, regRow); sqlite3ReleaseTempReg(pParse, regRowid); | < < < < | 855 856 857 858 859 860 861 862 863 864 865 866 867 868 | } break; } } sqlite3ReleaseTempReg(pParse, regRow); sqlite3ReleaseTempReg(pParse, regRowid); /* The bottom of the loop */ sqlite3VdbeResolveLabel(v, addrContinue); sqlite3VdbeAddOp2(v, OP_Next, iTab, addr); sqlite3VdbeResolveLabel(v, addrBreak); if( eDest==SRT_Output || eDest==SRT_Coroutine ){ sqlite3VdbeAddOp2(v, OP_Close, pseudoTab, 0); |
︙ | ︙ | |||
2177 2178 2179 2180 2181 2182 2183 | } } } /* Separate the left and the right query from one another */ p->pPrior = 0; | < | 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 | } } } /* Separate the left and the right query from one another */ p->pPrior = 0; sqlite3ResolveOrderGroupBy(pParse, p, p->pOrderBy, "ORDER"); if( pPrior->pPrior==0 ){ sqlite3ResolveOrderGroupBy(pParse, pPrior, pPrior->pOrderBy, "ORDER"); } /* Compute the limit registers */ computeLimitRegisters(pParse, p, labelEnd); |
︙ | ︙ |
Added test/tkt-38cb5df375.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 | # 2010 October 6 # # 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. Specifically, # it tests that ticket [38cb5df375078d3f9711482d2a1615d09f6b3f33] has # been resolved. # set testdir [file dirname $argv0] source $testdir/tester.tcl do_test tkt-38cb5df375.0 { execsql { CREATE TABLE t1(a); INSERT INTO t1 VALUES(1); INSERT INTO t1 VALUES(2); INSERT INTO t1 SELECT a+2 FROM t1; INSERT INTO t1 SELECT a+4 FROM t1; } } {} foreach ii {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16} { do_test tkt-38cb5df375.1.$ii { execsql { SELECT * FROM (SELECT * FROM t1 ORDER BY a) UNION ALL SELECT 9 FROM (SELECT a FROM t1) LIMIT $::ii; } } [lrange {1 2 3 4 5 6 7 8 9 9 9 9 9 9 9 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16} { do_test tkt-38cb5df375.2.$ii { execsql { SELECT 9 FROM (SELECT * FROM t1) UNION ALL SELECT a FROM (SELECT a FROM t1 ORDER BY a) LIMIT $::ii; } } [lrange {9 9 9 9 9 9 9 9 1 2 3 4 5 6 7 8} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16} { do_test tkt-38cb5df375.3.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a) UNION ALL SELECT a FROM (SELECT a FROM t1 ORDER BY a) LIMIT $::ii; } } [lrange {1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16} { do_test tkt-38cb5df375.4.$ii { execsql { SELECT 0 FROM (SELECT * FROM t1) UNION ALL SELECT 9 FROM (SELECT a FROM t1) LIMIT $::ii; } } [lrange {0 0 0 0 0 0 0 0 9 9 9 9 9 9 9 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4} { do_test tkt-38cb5df375.5.$ii { execsql { SELECT 0 FROM (SELECT * FROM t1) UNION SELECT 9 FROM (SELECT a FROM t1) LIMIT $::ii; } } [lrange {0 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11} { do_test tkt-38cb5df375.11.$ii { execsql { SELECT * FROM (SELECT * FROM t1 ORDER BY a LIMIT 3) UNION ALL SELECT 9 FROM (SELECT a FROM t1) LIMIT $::ii; } } [lrange {1 2 3 9 9 9 9 9 9 9 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11} { do_test tkt-38cb5df375.12.$ii { execsql { SELECT 9 FROM (SELECT * FROM t1) UNION ALL SELECT a FROM (SELECT a FROM t1 ORDER BY a LIMIT 3) LIMIT $::ii; } } [lrange {9 9 9 9 9 9 9 9 1 2 3} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6} { do_test tkt-38cb5df375.13.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a LIMIT 3) UNION ALL SELECT a FROM (SELECT a FROM t1 ORDER BY a LIMIT 3) LIMIT $::ii; } } [lrange {1 2 3 1 2 3} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6} { do_test tkt-38cb5df375.14.$ii { execsql { SELECT 0 FROM (SELECT * FROM t1 LIMIT 3) UNION ALL SELECT 9 FROM (SELECT a FROM t1 LIMIT 3) LIMIT $::ii; } } [lrange {0 0 0 9 9 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16} { do_test tkt-38cb5df375.21.$ii { execsql { SELECT * FROM (SELECT * FROM t1 ORDER BY a) UNION ALL SELECT 9 FROM (SELECT a FROM t1) ORDER BY 1 LIMIT $::ii; } } [lrange {1 2 3 4 5 6 7 8 9 9 9 9 9 9 9 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16} { do_test tkt-38cb5df375.22.$ii { execsql { SELECT 9 FROM (SELECT * FROM t1) UNION ALL SELECT a FROM (SELECT a FROM t1 ORDER BY a) ORDER BY 1 LIMIT $::ii; } } [lrange {1 2 3 4 5 6 7 8 9 9 9 9 9 9 9 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16} { do_test tkt-38cb5df375.23.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a) UNION ALL SELECT a FROM (SELECT a FROM t1 ORDER BY a) ORDER BY 1 DESC LIMIT $::ii; } } [lrange {8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16} { do_test tkt-38cb5df375.24.$ii { execsql { SELECT 0 FROM (SELECT * FROM t1) UNION ALL SELECT 9 FROM (SELECT a FROM t1) ORDER BY 1 LIMIT $::ii; } } [lrange {0 0 0 0 0 0 0 0 9 9 9 9 9 9 9 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11} { do_test tkt-38cb5df375.31.$ii { execsql { SELECT * FROM (SELECT * FROM t1 ORDER BY a LIMIT 3) UNION ALL SELECT 9 FROM (SELECT a FROM t1) ORDER BY 1 LIMIT $::ii; } } [lrange {1 2 3 9 9 9 9 9 9 9 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9 10 11} { do_test tkt-38cb5df375.32.$ii { execsql { SELECT 9 FROM (SELECT * FROM t1) UNION ALL SELECT a FROM (SELECT a FROM t1 ORDER BY a LIMIT 3) ORDER BY 1 LIMIT $::ii; } } [lrange {1 2 3 9 9 9 9 9 9 9 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { do_test tkt-38cb5df375.33.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a LIMIT 4) UNION ALL SELECT 90+a FROM (SELECT a FROM t1 ORDER BY a LIMIT 3) ORDER BY 1 LIMIT $::ii; } } [lrange {1 2 3 4 91 92 93} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { do_test tkt-38cb5df375.34.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a LIMIT 2) UNION ALL SELECT a FROM (SELECT a FROM t1 ORDER BY a LIMIT 5) ORDER BY 1 LIMIT $::ii; } } [lrange {1 1 2 2 3 4 5} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { do_test tkt-38cb5df375.35.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a LIMIT 5) UNION ALL SELECT a FROM (SELECT a FROM t1 ORDER BY a LIMIT 2) ORDER BY 1 LIMIT $::ii; } } [lrange {1 1 2 2 3 4 5} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { do_test tkt-38cb5df375.35b.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a LIMIT 5) UNION ALL SELECT a+10 FROM (SELECT a FROM t1 ORDER BY a LIMIT 2) ORDER BY 1 LIMIT $::ii; } } [lrange {1 2 3 4 5 11 12} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { do_test tkt-38cb5df375.35c.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a LIMIT 5) UNION SELECT a+10 FROM (SELECT a FROM t1 ORDER BY a LIMIT 2) ORDER BY 1 LIMIT $::ii; } } [lrange {1 2 3 4 5 11 12} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { do_test tkt-38cb5df375.35d.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a LIMIT 5) INTERSECT SELECT a FROM (SELECT a FROM t1 ORDER BY a LIMIT 2) ORDER BY 1 LIMIT $::ii; } } [lrange {1 2} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { do_test tkt-38cb5df375.35e.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a LIMIT 5) EXCEPT SELECT a FROM (SELECT a FROM t1 ORDER BY a LIMIT 2) ORDER BY 1 LIMIT $::ii; } } [lrange {3 4 5} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { do_test tkt-38cb5df375.36.$ii { execsql { SELECT 0 FROM (SELECT * FROM t1 LIMIT 3) UNION ALL SELECT 9 FROM (SELECT a FROM t1 LIMIT 4) ORDER BY 1 LIMIT $::ii; } } [lrange {0 0 0 9 9 9 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { do_test tkt-38cb5df375.37.$ii { execsql { SELECT 0 FROM (SELECT * FROM t1 LIMIT 3) UNION SELECT 9 FROM (SELECT a FROM t1 LIMIT 4) ORDER BY 1 LIMIT $::ii; } } [lrange {0 9} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { do_test tkt-38cb5df375.38.$ii { execsql { SELECT 0 FROM (SELECT * FROM t1 LIMIT 3) EXCEPT SELECT 9 FROM (SELECT a FROM t1 LIMIT 4) ORDER BY 1 LIMIT $::ii; } } [lrange {0} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9} { do_test tkt-38cb5df375.41.$ii { execsql { SELECT 0 FROM (SELECT * FROM t1 LIMIT 3) UNION ALL SELECT 9 FROM (SELECT a FROM t1 LIMIT 4) UNION ALL SELECT 88 FROM (SELECT a FROM t1 LIMIT 2) ORDER BY 1 LIMIT $::ii; } } [lrange {0 0 0 9 9 9 9 88 88} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9} { do_test tkt-38cb5df375.42.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a LIMIT 3) UNION ALL SELECT a+10 FROM (SELECT a FROM t1 ORDER BY a LIMIT 4) UNION ALL SELECT a+20 FROM (SELECT a FROM t1 ORDER BY a LIMIT 2) ORDER BY 1 LIMIT $::ii; } } [lrange {1 2 3 11 12 13 14 21 22} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7 8 9} { do_test tkt-38cb5df375.43.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a LIMIT 3) UNION SELECT a+10 FROM (SELECT a FROM t1 ORDER BY a LIMIT 4) UNION SELECT a+20 FROM (SELECT a FROM t1 ORDER BY a LIMIT 2) ORDER BY 1 LIMIT $::ii; } } [lrange {1 2 3 11 12 13 14 21 22} 0 [expr {$ii-1}]] } foreach ii {1 2 3 4 5 6 7} { set jj [expr {7-$ii}] do_test tkt-38cb5df375.51.$ii { execsql { SELECT a FROM (SELECT * FROM t1 ORDER BY a) EXCEPT SELECT a FROM (SELECT a FROM t1 ORDER BY a LIMIT $::ii) ORDER BY a DESC LIMIT $::jj; } } [lrange {8 7 6 5 4 3 2 1} 0 [expr {$jj-1}]] } finish_test |