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Subquery flattening is implemented and passes all regression tests.

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We still need to add addition tests to the suite to further exercise
the flattener, however. (CVS 408)

FossilOrigin-Name: d5d3e79cc58da5bd315cc1fea1f7cbf46274da16
This commit is contained in:
drh
2002-03-02 17:04:07 +00:00
parent 567c604bb5
commit 832508b7ea
14 changed files with 416 additions and 216 deletions
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10
src/insert.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.45 2002/02/23 02:32:10 drh Exp $
** $Id: insert.c,v 1.46 2002/03/02 17:04:08 drh Exp $
*/
#include "sqliteInt.h"
@@ -84,7 +84,7 @@ void sqliteInsert(
int rc;
srcTab = pParse->nTab++;
sqliteVdbeAddOp(v, OP_OpenTemp, srcTab, 0);
rc = sqliteSelect(pParse, pSelect, SRT_Table, srcTab);
rc = sqliteSelect(pParse, pSelect, SRT_Table, srcTab, 0,0,0);
if( rc || pParse->nErr || sqlite_malloc_failed ) goto insert_cleanup;
assert( pSelect->pEList );
nColumn = pSelect->pEList->nExpr;
@@ -94,12 +94,9 @@ void sqliteInsert(
srcTab = -1;
assert( pList );
nColumn = pList->nExpr;
for(i=0; i<nColumn; i++){
sqliteExprResolveInSelect(pParse, pList->a[i].pExpr);
}
dummy.nId = 0;
for(i=0; i<nColumn; i++){
if( sqliteExprResolveIds(pParse, &dummy, 0, pList->a[i].pExpr) ){
if( sqliteExprResolveIds(pParse, 0, &dummy, 0, pList->a[i].pExpr) ){
goto insert_cleanup;
}
}
@@ -183,6 +180,7 @@ void sqliteInsert(
sqliteVdbeAddOp(v, openOp, idx+base, pIdx->tnum);
sqliteVdbeChangeP3(v, -1, pIdx->zName, P3_STATIC);
}
pParse->nTab += idx;
/* If the data source is a SELECT statement, then we have to create
** a loop because there might be multiple rows of data. If the data