database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-14 00:22:38 +03:00
Code Activity

Merge enhancements from trunk.

Browse Source 
FossilOrigin-Name: 1ab10cbf27245961b40eda1ce70f35646f0a9966
This commit is contained in:
drh
2015-09-03 14:18:12 +00:00
parent a7f910b549 076e85f59c
commit 34de0c8c5e
23 changed files with 409 additions and 489 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/wherecode.c
View File

@@ -75,12 +75,8 @@ static void explainIndexRange(StrAccum *pStr, WhereLoop *pLoop, Table *pTab){
sqlite3StrAccumAppend(pStr, " (", 2);
for(i=0; i<nEq; i++){
const char *z = explainIndexColumnName(pIndex, i);
if( i>=nSkip ){
explainAppendTerm(pStr, i, z, "=");
}else{
if( i ) sqlite3StrAccumAppend(pStr, " AND ", 5);
sqlite3XPrintf(pStr, 0, "ANY(%s)", z);
}
if( i ) sqlite3StrAccumAppend(pStr, " AND ", 5);
sqlite3XPrintf(pStr, 0, i>=nSkip ? "%s=?" : "ANY(%s)", z);
}
j = i;
@@ -173,19 +169,18 @@ int sqlite3WhereExplainOneScan(
explainIndexRange(&str, pLoop, pItem->pTab);
}
}else if( (flags & WHERE_IPK)!=0 && (flags & WHERE_CONSTRAINT)!=0 ){
const char *zRange;
const char *zRangeOp;
if( flags&(WHERE_COLUMN_EQ|WHERE_COLUMN_IN) ){
zRange = "(rowid=?)";
zRangeOp = "=";
}else if( (flags&WHERE_BOTH_LIMIT)==WHERE_BOTH_LIMIT ){
zRange = "(rowid>? AND rowid<?)";
zRangeOp = ">? AND rowid<";
}else if( flags&WHERE_BTM_LIMIT ){
zRange = "(rowid>?)";
zRangeOp = ">";
}else{
assert( flags&WHERE_TOP_LIMIT);
zRange = "(rowid<?)";
zRangeOp = "<";
}
sqlite3StrAccumAppendAll(&str, " USING INTEGER PRIMARY KEY ");
sqlite3StrAccumAppendAll(&str, zRange);
sqlite3XPrintf(&str, 0, " USING INTEGER PRIMARY KEY (rowid%s?)",zRangeOp);
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
else if( (flags & WHERE_VIRTUALTABLE)!=0 ){
@@ -1388,7 +1383,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
sqlite3ExprDelete(db, pAndExpr);
}
sqlite3VdbeChangeP1(v, iRetInit, sqlite3VdbeCurrentAddr(v));
sqlite3VdbeAddOp2(v, OP_Goto, 0, pLevel->addrBrk);
sqlite3VdbeGoto(v, pLevel->addrBrk);
sqlite3VdbeResolveLabel(v, iLoopBody);
if( pWInfo->nLevel>1 ) sqlite3StackFree(db, pOrTab);