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Claw back some performance from the sqlite3ExprGetColumnOfTable() routine.

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FossilOrigin-Name: e8426acb94179ff49549aced6ea3c26c49ba4761c2f414fa1772d6a031edc79d
This commit is contained in:
drh
2019-10-18 12:52:08 +00:00
parent 01ef55e0f5
commit 6df9c4b990
11 changed files with 40 additions and 35 deletions
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8
src/update.c
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@@ -550,7 +550,7 @@ void sqlite3Update(
** is not required) and leave the PK fields in the array of registers. */
for(i=0; i<nPk; i++){
assert( pPk->aiColumn[i]>=0 );
sqlite3ExprCodeGetColumnOfTable(pParse, pTab, iDataCur,
sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur,
pPk->aiColumn[i], iPk+i);
}
if( eOnePass ){
@@ -642,7 +642,7 @@ void sqlite3Update(
|| (colFlags & COLFLAG_PRIMKEY)!=0
){
testcase( oldmask!=0xffffffff && i==31 );
sqlite3ExprCodeGetColumnOfTable(pParse, pTab, iDataCur, i, k);
sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, k);
}else{
sqlite3VdbeAddOp2(v, OP_Null, 0, k);
}
@@ -685,7 +685,7 @@ void sqlite3Update(
*/
testcase( i==31 );
testcase( i==32 );
sqlite3ExprCodeGetColumnOfTable(pParse, pTab, iDataCur, i, k);
sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, k);
}else{
sqlite3VdbeAddOp2(v, OP_Null, 0, k);
}
@@ -732,7 +732,7 @@ void sqlite3Update(
if( pTab->aCol[i].colFlags & COLFLAG_GENERATED ){
if( pTab->aCol[i].colFlags & COLFLAG_VIRTUAL ) k--;
}else if( aXRef[i]<0 && i!=pTab->iPKey ){
sqlite3ExprCodeGetColumnOfTable(pParse, pTab, iDataCur, i, k);
sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, k);
}
}
#ifndef SQLITE_OMIT_GENERATED_COLUMNS