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Enhance the IdList object to exist in a single memory allocation (rather than

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a separate allocate for the base object and the array of IDs).  Also permit
an IdList object to store an Expr pointer together with each name.

FossilOrigin-Name: 40f3c95871e6f40f287ef2756abafb8fc56dffdd0af69436e5c7d8e95022d94e
This commit is contained in:
drh
2022-04-15 15:47:14 +00:00
parent 358424aeff
commit a99e325468
7 changed files with 65 additions and 41 deletions
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9
src/insert.c
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@@ -851,13 +851,15 @@ void sqlite3Insert(
*/
bIdListInOrder = (pTab->tabFlags & (TF_OOOHidden|TF_HasStored))==0;
if( pColumn ){
assert( pColumn->eU4!=EU4_EXPR );
pColumn->eU4 = EU4_IDX;
for(i=0; i<pColumn->nId; i++){
pColumn->a[i].idx = -1;
pColumn->a[i].u4.idx = -1;
}
for(i=0; i<pColumn->nId; i++){
for(j=0; j<pTab->nCol; j++){
if( sqlite3StrICmp(pColumn->a[i].zName, pTab->aCol[j].zCnName)==0 ){
pColumn->a[i].idx = j;
pColumn->a[i].u4.idx = j;
if( i!=j ) bIdListInOrder = 0;
if( j==pTab->iPKey ){
ipkColumn = i; assert( !withoutRowid );
@@ -1159,7 +1161,8 @@ void sqlite3Insert(
}
}
if( pColumn ){
for(j=0; j<pColumn->nId && pColumn->a[j].idx!=i; j++){}
assert( pColumn->eU4==EU4_IDX );
for(j=0; j<pColumn->nId && pColumn->a[j].u4.idx!=i; j++){}
if( j>=pColumn->nId ){
/* A column not named in the insert column list gets its
** default value */