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Fixes to the locking and rollback behavior. (CVS 261)

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FossilOrigin-Name: 337b3d3b2a903328d9744c111979909a284b8348
This commit is contained in:
drh
2001-09-23 02:35:53 +00:00
parent beae319476
commit ecdc7530dd
18 changed files with 504 additions and 339 deletions
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17
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 1.18 2001/09/16 00:13:27 drh Exp $
** $Id: insert.c,v 1.19 2001/09/23 02:35:53 drh Exp $
*/
#include "sqliteInt.h"
@@ -47,14 +47,16 @@ void sqliteInsert(
int nColumn; /* Number of columns in the data */
int base; /* First available cursor */
int iCont, iBreak; /* Beginning and end of the loop over srcTab */
sqlite *db; /* The main database structure */
if( pParse->nErr || sqlite_malloc_failed ) goto insert_cleanup;
db = pParse->db;
/* Locate the table into which we will be inserting new information.
*/
zTab = sqliteTableNameFromToken(pTableName);
if( zTab==0 ) goto insert_cleanup;
pTab = sqliteFindTable(pParse->db, zTab);
pTab = sqliteFindTable(db, zTab);
sqliteFree(zTab);
if( pTab==0 ){
sqliteSetNString(&pParse->zErrMsg, "no such table: ", 0,
@@ -73,9 +75,10 @@ void sqliteInsert(
*/
v = sqliteGetVdbe(pParse);
if( v==0 ) goto insert_cleanup;
if( (pParse->db->flags & SQLITE_InTrans)==0 ){
if( (db->flags & SQLITE_InTrans)==0 ){
sqliteVdbeAddOp(v, OP_Transaction, 0, 0, 0, 0);
sqliteVdbeAddOp(v, OP_VerifyCookie, pParse->db->schema_cookie, 0, 0, 0);
sqliteVdbeAddOp(v, OP_VerifyCookie, db->schema_cookie, 0, 0, 0);
pParse->schemaVerified = 1;
}
/* Figure out how many columns of data are supplied. If the data
@@ -152,9 +155,9 @@ void sqliteInsert(
** all indices of that table.
*/
base = pParse->nTab;
sqliteVdbeAddOp(v, OP_Open, base, pTab->tnum, pTab->zName, 0);
sqliteVdbeAddOp(v, OP_OpenWrite, base, pTab->tnum, pTab->zName, 0);
for(idx=1, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, idx++){
sqliteVdbeAddOp(v, OP_Open, idx+base, pIdx->tnum, pIdx->zName, 0);
sqliteVdbeAddOp(v, OP_OpenWrite, idx+base, pIdx->tnum, pIdx->zName, 0);
}
/* If the data source is a SELECT statement, then we have to create
@@ -237,7 +240,7 @@ void sqliteInsert(
sqliteVdbeAddOp(v, OP_Goto, 0, iCont, 0, 0);
sqliteVdbeAddOp(v, OP_Noop, 0, 0, 0, iBreak);
}
if( (pParse->db->flags & SQLITE_InTrans)==0 ){
if( (db->flags & SQLITE_InTrans)==0 ){
sqliteVdbeAddOp(v, OP_Commit, 0, 0, 0, 0);
}