database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2026-01-06 08:01:16 +03:00
Code Activity

Add the shared schema/pager modifications. Very few tests so far. (CVS 2859)

Browse Source 
FossilOrigin-Name: deeda0dc06c1595aedd8d06a0c4e88a8abf78cf7
This commit is contained in:
danielk1977
2006-01-05 11:34:32 +00:00
parent a6370df1e1
commit da18423620
27 changed files with 1077 additions and 375 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/update.c
View File

@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle UPDATE statements.
**
** $Id: update.c,v 1.114 2005/12/06 12:53:01 danielk1977 Exp $
** $Id: update.c,v 1.115 2006/01/05 11:34:34 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -89,6 +89,7 @@ void sqlite3Update(
int openAll = 0; /* True if all indices need to be opened */
AuthContext sContext; /* The authorization context */
NameContext sNC; /* The name-context to resolve expressions in */
int iDb; /* Database containing the table being updated */
#ifndef SQLITE_OMIT_TRIGGER
int isView; /* Trying to update a view */
@@ -107,6 +108,7 @@ void sqlite3Update(
*/
pTab = sqlite3SrcListLookup(pParse, pTabList);
if( pTab==0 ) goto update_cleanup;
iDb = sqlite3SchemaToIndex(pParse->db, pTab->pSchema);
/* Figure out if we have any triggers and if the table being
** updated is a view
@@ -192,7 +194,7 @@ void sqlite3Update(
{
int rc;
rc = sqlite3AuthCheck(pParse, SQLITE_UPDATE, pTab->zName,
pTab->aCol[j].zName, db->aDb[pTab->iDb].zName);
pTab->aCol[j].zName, db->aDb[iDb].zName);
if( rc==SQLITE_DENY ){
goto update_cleanup;
}else if( rc==SQLITE_IGNORE ){
@@ -257,7 +259,7 @@ void sqlite3Update(
v = sqlite3GetVdbe(pParse);
if( v==0 ) goto update_cleanup;
if( pParse->nested==0 ) sqlite3VdbeCountChanges(v);
sqlite3BeginWriteOperation(pParse, 1, pTab->iDb);
sqlite3BeginWriteOperation(pParse, 1, iDb);
/* If we are trying to update a view, realize that view into
** a ephemeral table.
@@ -307,7 +309,7 @@ void sqlite3Update(
/* Open a cursor and make it point to the record that is
** being updated.
*/
sqlite3OpenTableForReading(v, iCur, pTab);
sqlite3OpenTableForReading(v, iCur, iDb, pTab);
}
sqlite3VdbeAddOp(v, OP_MoveGe, iCur, 0);
@@ -362,7 +364,7 @@ void sqlite3Update(
** action, then we need to open all indices because we might need
** to be deleting some records.
*/
sqlite3VdbeAddOp(v, OP_Integer, pTab->iDb, 0);
sqlite3VdbeAddOp(v, OP_Integer, iDb, 0);
sqlite3VdbeAddOp(v, OP_OpenWrite, iCur, pTab->tnum);
sqlite3VdbeAddOp(v, OP_SetNumColumns, iCur, pTab->nCol);
if( onError==OE_Replace ){
@@ -378,7 +380,7 @@ void sqlite3Update(
}
for(i=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){
if( openAll || aIdxUsed[i] ){
sqlite3VdbeAddOp(v, OP_Integer, pIdx->iDb, 0);
sqlite3VdbeAddOp(v, OP_Integer, iDb, 0);
sqlite3VdbeOp3(v, OP_OpenWrite, iCur+i+1, pIdx->tnum,
(char*)&pIdx->keyInfo, P3_KEYINFO);
assert( pParse->nTab>iCur+i+1 );