-C Update\sthe\s"msort"\sfunction\sin\sLemon\sso\sthat\sit\sworks\swith\slists\sof\sany\nlength,\sand\salso\sso\sthat\sthe\ssort\sis\sstable.\s\sThis\spatch\swas\smotivated\sby\n[forum:/forumpost/63750d717c9ed961|forum\spost\s63750d717c]\sbut\swas\nindependently\sdeveloped,\sthen\stested\sby\stemporarily\ssetting\sLISTSIZE\sto\s2.
-D 2025-06-06T23:02:03.860
+C Remove\sunnecessary\swhitespace\sand\sotherwise\simprove\scomments\sin\sthe\nwherecode.c\smodule.\s\sNo\scoding\schanges.
+D 2025-06-06T23:10:18.761
F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F src/walker.c d5006d6b005e4ea7302ad390957a8d41ed83faa177e412f89bc5600a7462a014
F src/where.c 45a3b496248a0b36d91ce34da3278d54f8fa20e9d3fbd36d45a42051d1118137
F src/whereInt.h ecdbfb5551cf394f04ec7f0bc7ad963146d80eee3071405ac29aa84950128b8e
-F src/wherecode.c 65670d1ef85ef54a4db3826d63be8b646c9ac280962166b645950901ed1bda29
+F src/wherecode.c 9710e62379c000189476404f923d4d1b192d0def222fdd287b820cc085a0d555
F src/whereexpr.c 2415c8eee5ff89a8b709d7d83d71c1ff986cd720d0520057e1d8a5371339012a
F src/window.c d01227141f622f24fbe36ca105fbe6ef023f9fd98f1ccd65da95f88886565db5
F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
F tool/warnings.sh 1ad0169b022b280bcaaf94a7fa231591be96b514230ab5c98fbf15cd7df842dd
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P acc978df52ec41ffdb5c27764f30d53efa1f25a314b7d98983dc0d211a36b570
-R d749cfd84d99a4a145b2da613af234e9
+P aba5c3135edf7de2798ad808fa0ff176fdba3f4a9b101f1f4210b441cba8e75d
+R ac8b37a15d3a3e6abc2fa2a5739fae73
U drh
-Z 0c60cb5974561a595e1ce2ce5a531601
+Z 4dedbf1c2e3e515d1e9ff6981d7bf8bf
# Remove this line to create a well-formed Fossil manifest.
}
/*
-** This function sets the P4 value of an existing OP_Explain opcode to
+** This function sets the P4 value of an existing OP_Explain opcode to
** text describing the loop in pLevel. If the OP_Explain opcode already has
** a P4 value, it is freed before it is overwritten.
*/
testcase( pIdx->aiColumn[j]==XN_EXPR );
VdbeComment((v, "%s", explainIndexColumnName(pIdx, j)));
}
- }
+ }
/* Evaluate the equality constraints
*/
assert( iIdxCur>0 );
assert( pIdx->aiColumn[pIdx->nColumn-1]==-1 );
-
+
pWInfo->bDeferredSeek = 1;
sqlite3VdbeAddOp3(v, OP_DeferredSeek, iIdxCur, 0, iCur);
if( (pWInfo->wctrlFlags & (WHERE_OR_SUBCLAUSE|WHERE_RIGHT_JOIN))
}
/*
-** Loop pLoop is a WHERE_INDEXED level that uses at least one IN(...)
-** operator. Return true if level pLoop is guaranteed to visit only one
+** Loop pLoop is a WHERE_INDEXED level that uses at least one IN(...)
+** operator. Return true if level pLoop is guaranteed to visit only one
** row for each key generated for the index.
*/
static int whereLoopIsOneRow(WhereLoop *pLoop){
- if( pLoop->u.btree.pIndex->onError
- && pLoop->nSkip==0
- && pLoop->u.btree.nEq==pLoop->u.btree.pIndex->nKeyCol
+ if( pLoop->u.btree.pIndex->onError
+ && pLoop->nSkip==0
+ && pLoop->u.btree.nEq==pLoop->u.btree.pIndex->nKeyCol
){
int ii;
for(ii=0; ii<pLoop->u.btree.nEq; ii++){
sqlite3VdbeChangeP5(v, SQLITE_AFF_NUMERIC | SQLITE_JUMPIFNULL);
}
}else if( pLoop->wsFlags & WHERE_INDEXED ){
- /* Case 4: A scan using an index.
+ /* Case 4: Search using an index.
**
- ** The WHERE clause may contain zero or more equality
- ** terms ("==" or "IN" operators) that refer to the N
- ** left-most columns of the index. It may also contain
- ** inequality constraints (>, <, >= or <=) on the indexed
- ** column that immediately follows the N equalities. Only
- ** the right-most column can be an inequality - the rest must
- ** use the "==" and "IN" operators. For example, if the
- ** index is on (x,y,z), then the following clauses are all
- ** optimized:
+ ** The WHERE clause may contain zero or more equality
+ ** terms ("==" or "IN" or "IS" operators) that refer to the N
+ ** left-most columns of the index. It may also contain
+ ** inequality constraints (>, <, >= or <=) on the indexed
+ ** column that immediately follows the N equalities. Only
+ ** the right-most column can be an inequality - the rest must
+ ** use the "==", "IN", or "IS" operators. For example, if the
+ ** index is on (x,y,z), then the following clauses are all
+ ** optimized:
**
- ** x=5
- ** x=5 AND y=10
- ** x=5 AND y<10
- ** x=5 AND y>5 AND y<10
- ** x=5 AND y=5 AND z<=10
+ ** x=5
+ ** x=5 AND y=10
+ ** x=5 AND y<10
+ ** x=5 AND y>5 AND y<10
+ ** x=5 AND y=5 AND z<=10
**
- ** The z<10 term of the following cannot be used, only
- ** the x=5 term:
+ ** The z<10 term of the following cannot be used, only
+ ** the x=5 term:
**
- ** x=5 AND z<10
+ ** x=5 AND z<10
**
- ** N may be zero if there are inequality constraints.
- ** If there are no inequality constraints, then N is at
- ** least one.
+ ** N may be zero if there are inequality constraints.
+ ** If there are no inequality constraints, then N is at
+ ** least one.
**
- ** This case is also used when there are no WHERE clause
- ** constraints but an index is selected anyway, in order
- ** to force the output order to conform to an ORDER BY.
- */
+ ** This case is also used when there are no WHERE clause
+ ** constraints but an index is selected anyway, in order
+ ** to force the output order to conform to an ORDER BY.
+ */
static const u8 aStartOp[] = {
0,
0,
}
if( zStartAff ){
updateRangeAffinityStr(pRight, nBtm, &zStartAff[nEq]);
- }
+ }
nConstraint += nBtm;
testcase( pRangeStart->wtFlags & TERM_VIRTUAL );
if( sqlite3ExprIsVector(pRight)==0 ){
** a LEFT JOIN: */
assert( (pWInfo->wctrlFlags & (WHERE_OR_SUBCLAUSE|WHERE_RIGHT_JOIN))==0 );
}
-
+
/* Record the instruction used to terminate the loop. */
if( (pLoop->wsFlags & WHERE_ONEROW)
|| (pLevel->u.in.nIn && regBignull==0 && whereLoopIsOneRow(pLoop))
**
** iLoop==1: Code only expressions that are entirely covered by pIdx.
** iLoop==2: Code remaining expressions that do not contain correlated
- ** sub-queries.
+ ** sub-queries.
** iLoop==3: Code all remaining expressions.
**
** An effort is made to skip unnecessary iterations of the loop.
pSubq = pRight->u4.pSubq;
assert( pSubq->pSelect!=0 && pSubq->pSelect->pEList!=0 );
sqlite3VdbeAddOp3(
- v, OP_Null, 0, pSubq->regResult,
+ v, OP_Null, 0, pSubq->regResult,
pSubq->regResult + pSubq->pSelect->pEList->nExpr-1
);
}
projects / thirdparty / sqlite.git / commitdiff
