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Registerify the SRT_Subroutine destination for SELECT results. (CVS 4690)

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FossilOrigin-Name: 8201f71729c3afbb41764cea3cda65b03150cb0c
This commit is contained in:
drh
2008-01-06 00:25:21 +00:00
parent 477df4b3ac
commit 1013c9320d
12 changed files with 85 additions and 61 deletions
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13
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 1.213 2008/01/05 05:20:10 drh Exp $
** $Id: insert.c,v 1.214 2008/01/06 00:25:22 drh Exp $
*/
#include "sqliteInt.h"
@@ -359,6 +359,7 @@ void sqlite3Insert(
int iCleanup = 0; /* Address of the cleanup code */
int iInsertBlock = 0; /* Address of the subroutine used to insert data */
int iCntMem = 0; /* Memory cell used for the row counter */
int iBaseReg; /* Base register for data */
int newIdx = -1; /* Cursor for the NEW table */
Db *pDb; /* The database containing table being inserted into */
int counterMem = 0; /* Memory cell holding AUTOINCREMENT counter */
@@ -471,12 +472,13 @@ void sqlite3Insert(
if( pSelect ){
/* Data is coming from a SELECT. Generate code to implement that SELECT
*/
SelectDest dest = {SRT_Subroutine, 0, 0};
SelectDest dest;
int rc, iInitCode;
iInitCode = sqlite3VdbeAddOp2(v, OP_Goto, 0, 0);
iSelectLoop = sqlite3VdbeCurrentAddr(v);
iInsertBlock = sqlite3VdbeMakeLabel(v);
dest.iParm = iInsertBlock;
sqlite3SelectDestInit(&dest, SRT_Subroutine, iInsertBlock);
/* Resolve the expressions in the SELECT statement and execute it. */
rc = sqlite3Select(pParse, pSelect, &dest, 0, 0, 0, 0);
@@ -484,6 +486,7 @@ void sqlite3Insert(
goto insert_cleanup;
}
iBaseReg = dest.iMem;
iCleanup = sqlite3VdbeMakeLabel(v);
sqlite3VdbeAddOp2(v, OP_Goto, 0, iCleanup);
assert( pSelect->pEList );
@@ -507,8 +510,7 @@ void sqlite3Insert(
*/
srcTab = pParse->nTab++;
sqlite3VdbeResolveLabel(v, iInsertBlock);
sqlite3VdbeAddOp2(v, OP_StackDepth, -1, 0);
sqlite3VdbeAddOp2(v, OP_MakeRecord, nColumn, 0);
sqlite3VdbeAddOp2(v, OP_RegMakeRec, iBaseReg, nColumn);
sqlite3VdbeAddOp1(v, OP_NewRowid, srcTab);
sqlite3VdbeAddOp2(v, OP_Pull, 1, 0);
sqlite3CodeInsert(pParse, srcTab, OPFLAG_APPEND);
@@ -640,6 +642,7 @@ void sqlite3Insert(
}else if( pSelect ){
sqlite3VdbeAddOp2(v, OP_Goto, 0, iSelectLoop);
sqlite3VdbeResolveLabel(v, iInsertBlock);
sqlite3RegToStack(pParse, iBaseReg, nColumn);
sqlite3VdbeAddOp2(v, OP_StackDepth, -1, 0);
}