Omit the DB_Locked and DB_Cookie flags. Other minor cleanup. (CVS 1642)

FossilOrigin-Name: 01f74b420c3f24918c066172e09cebbb22568faf

manifest

@@ -1,5 +1,5 @@
-C Clear\sup\sanother\szero-length\sarray.\s\sThis\sseems\sto\sfix\sthe\ssegfault\sin\nfunc-13.4\stoo.\s(CVS\s1641)
-D 2004-06-19T15:40:23
+C Omit\sthe\sDB_Locked\sand\sDB_Cookie\sflags.\s\sOther\sminor\scleanup.\s(CVS\s1642)
+D 2004-06-19T16:06:11
 F Makefile.in d69d53c543518c1572ee0a8e8723d7e00bdb2266
 F Makefile.linux-gcc a9e5a0d309fa7c38e7c14d3ecf7690879d3a5457
 F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
@@ -24,11 +24,11 @@ F spec.template a38492f1c1dd349fc24cb0565e08afc53045304b
 F sqlite.1 83f4a9d37bdf2b7ef079a82d54eaf2e3509ee6ea
 F sqlite.pc.in 30552343140c53304c2a658c080fbe810cd09ca2
 F sqlite3.def c4bc3f10bccded91d06328c4b2b742ace4d3ed9f
-F src/attach.c 78ca379f2db3701cca20055cdd802c6bd3b49870
-F src/auth.c 204e1e9c45e64315589bc8b62cba5d9de29b6a3c
+F src/attach.c 05102e2e8ac43ce639d07b47a99c7772a62420e6
+F src/auth.c 60db23b98bb94c8b0178180faaf49dc116674217
 F src/btree.c 0cf8a52a57a7eb13d50719114ee1fa353e89d7d3
 F src/btree.h 32f96abef464cf8765b23ca669acfe90d191fcc5
-F src/build.c c843ef3d4440b591e154d0e78c664e213236db68
+F src/build.c 09d8863a5dc174bac8bd3fc293a3e2519b9d7a49
 F src/date.c b3e8b2bef1e3f2ce24e5b057203036defb18c3f1
 F src/delete.c a5191011b7429dff939df631b8bdcc1714b8d7aa
 F src/encode.c a876af473d1d636faa3dca51c7571f2e007eea37
@@ -57,7 +57,7 @@ F src/random.c eff68e3f257e05e81eae6c4d50a51eb88beb4ff3
 F src/select.c 9aa82bbc63983a304bc51d4a7c259e759f92c8dc
 F src/shell.c 24b641700c9d90f361fcfa4f432c5b4aff704e6d
 F src/sqlite.h.in c34414b9f5330f875e26a69fe685e38ca45f11b9
-F src/sqliteInt.h b776ee9d096bcd90c0ebdca7ae827e7c89747120
+F src/sqliteInt.h 421687a0b3111d4b3df058aa1a5400739d3d3584
 F src/table.c af14284fa36c8d41f6829e3f2819dce07d3e2de2
 F src/tclsqlite.c ddef9b18271fb46344d3d35446bd7c001465a69a
 F src/test1.c ee426e026ad9223483e7a84bb68849fc6e9f542e
@@ -225,7 +225,7 @@ F www/tclsqlite.tcl 19191cf2a1010eaeff74c51d83fd5f5a4d899075
 F www/vdbe.tcl 59288db1ac5c0616296b26dce071c36cb611dfe9
 F www/version3.tcl af528563442e3039928f9018327a18157e53a44f
 F www/whentouse.tcl a8335bce47cc2fddb07f19052cb0cb4d9129a8e4
-P fbfc3c95a8abf25bb9e2b44cfeb7186c5b0591d7
-R 8b1896930be175cc145ac47aedd2f4cb
+P 70680a34b4b617286d92730bd3042b8b569b3371
+R b1a9e75569a189850c5300b5594dbc5c
 U drh
-Z 4a06f27d3dc21ce0ad6cfd96c4ae0233
+Z 1c5518adfc53e32ee655b3ffea101b0b

manifest.uuid

@@ -1 +1 @@
-70680a34b4b617286d92730bd3042b8b569b3371
+01f74b420c3f24918c066172e09cebbb22568faf

src/attach.c

@@ -11,7 +11,7 @@
 *************************************************************************
 ** This file contains code used to implement the ATTACH and DETACH commands.
 **
-** $Id: attach.c,v 1.16 2004/06/19 14:49:12 drh Exp $
+** $Id: attach.c,v 1.17 2004/06/19 16:06:11 drh Exp $
 */
 #include "sqliteInt.h"
 
@@ -59,7 +59,8 @@ void sqlite3Attach(Parse *pParse, Token *pFilename, Token *pDbname, Token *pKey)
   zName = sqlite3NameFromToken(pDbname);
   if( zName==0 ) return;
   for(i=0; i<db->nDb; i++){
-    if( db->aDb[i].zName && sqlite3StrICmp(db->aDb[i].zName, zName)==0 ){
+    char *z = db->aDb[i].zName;
+    if( z && sqlite3StrICmp(z, zName)==0 ){
       sqlite3ErrorMsg(pParse, "database %z is already in use", zName);
       pParse->rc = SQLITE_ERROR;
       sqliteFree(zFile);
@@ -133,15 +134,17 @@ void sqlite3Detach(Parse *pParse, Token *pDbname){
   int i;
   sqlite *db;
   Vdbe *v;
+  Db *pDb;
 
   v = sqlite3GetVdbe(pParse);
   sqlite3VdbeAddOp(v, OP_Halt, 0, 0);
   if( pParse->explain ) return;
   db = pParse->db;
   for(i=0; i<db->nDb; i++){
-    if( db->aDb[i].pBt==0 || db->aDb[i].zName==0 ) continue;
-    if( strlen(db->aDb[i].zName)!=pDbname->n ) continue;
-    if( sqlite3StrNICmp(db->aDb[i].zName, pDbname->z, pDbname->n)==0 ) break;
+    pDb = &db->aDb[i];
+    if( pDb->pBt==0 || pDb->zName==0 ) continue;
+    if( strlen(pDb->zName)!=pDbname->n ) continue;
+    if( sqlite3StrNICmp(pDb->zName, pDbname->z, pDbname->n)==0 ) break;
   }
   if( i>=db->nDb ){
     sqlite3ErrorMsg(pParse, "no such database: %T", pDbname);
@@ -161,9 +164,9 @@ void sqlite3Detach(Parse *pParse, Token *pDbname){
     return;
   }
 #endif /* SQLITE_OMIT_AUTHORIZATION */
-  sqlite3BtreeClose(db->aDb[i].pBt);
-  db->aDb[i].pBt = 0;
-  sqliteFree(db->aDb[i].zName);
+  sqlite3BtreeClose(pDb->pBt);
+  pDb->pBt = 0;
+  sqliteFree(pDb->zName);
   sqlite3ResetInternalSchema(db, i);
   db->nDb--;
   if( i<db->nDb ){

src/auth.c

@@ -14,7 +14,7 @@
 ** systems that do not need this facility may omit it by recompiling
 ** the library with -DSQLITE_OMIT_AUTHORIZATION=1
 **
-** $Id: auth.c,v 1.15 2004/06/14 11:35:18 danielk1977 Exp $
+** $Id: auth.c,v 1.16 2004/06/19 16:06:11 drh Exp $
 */
 #include "sqliteInt.h"
 
@@ -33,7 +33,6 @@
 ** is a copy of the 3rd argument to this routine.  The second argument
 ** to the auth function is one of these constants:
 **
-**       SQLITE_COPY
 **       SQLITE_CREATE_INDEX
 **       SQLITE_CREATE_TABLE
 **       SQLITE_CREATE_TEMP_INDEX
@@ -222,6 +221,3 @@ void sqlite3AuthContextPop(AuthContext *pContext){
 }
 
 #endif /* SQLITE_OMIT_AUTHORIZATION */
-
-
-

src/build.c

@@ -23,7 +23,7 @@
 **     ROLLBACK
 **     PRAGMA
 **
-** $Id: build.c,v 1.225 2004/06/19 14:49:12 drh Exp $
+** $Id: build.c,v 1.226 2004/06/19 16:06:12 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -35,24 +35,7 @@
 ** If it does, then read it.
 */
 void sqlite3BeginParse(Parse *pParse, int explainFlag){
-  sqlite *db = pParse->db;
-  int i;
   pParse->explain = explainFlag;
-#if 0
-  if((db->flags & SQLITE_Initialized)==0 && db->init.busy==0 ){
-    int rc = sqlite3Init(db, &pParse->zErrMsg);
-    if( rc!=SQLITE_OK ){
-      pParse->rc = rc;
-      pParse->nErr++;
-    }
-  }
-#endif
-  for(i=0; i<db->nDb; i++){
-    DbClearProperty(db, i, DB_Locked);
-    if( !db->aDb[i].inTrans ){
-      DbClearProperty(db, i, DB_Cookie);
-    }
-  }
   pParse->nVar = 0;
 }
 

src/sqliteInt.h

@@ -11,7 +11,7 @@
 *************************************************************************
 ** Internal interface definitions for SQLite.
 **
-** @(#) $Id: sqliteInt.h,v 1.294 2004/06/19 15:22:56 drh Exp $
+** @(#) $Id: sqliteInt.h,v 1.295 2004/06/19 16:06:12 drh Exp $
 */
 #include "config.h"
 #include "sqlite3.h"
@@ -308,13 +308,6 @@ struct Db {
 /*
 ** Allowed values for the DB.flags field.
 **
-** The DB_Locked flag is set when the first OP_Transaction or OP_Checkpoint
-** opcode is emitted for a database.  This prevents multiple occurances
-** of those opcodes for the same database in the same program.  Similarly,
-** the DB_Cookie flag is set when the OP_VerifyCookie opcode is emitted,
-** and prevents duplicate OP_VerifyCookies from taking up space and slowing
-** down execution.
-**
 ** The DB_SchemaLoaded flag is set after the database schema has been
 ** read into internal hash tables.
 **
@@ -322,10 +315,8 @@ struct Db {
 ** have been filled out.  If the schema changes, these column names might
 ** changes and so the view will need to be reset.
 */
-#define DB_Locked          0x0001  /* OP_Transaction opcode has been emitted */
-#define DB_Cookie          0x0002  /* OP_VerifyCookie opcode has been emiited */
-#define DB_SchemaLoaded    0x0004  /* The schema has been loaded */
-#define DB_UnresetViews    0x0008  /* Some views have defined column names */
+#define DB_SchemaLoaded    0x0001  /* The schema has been loaded */
+#define DB_UnresetViews    0x0002  /* Some views have defined column names */
 
 #if 0
 /*