database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-07 02:42:48 +03:00
Code Activity

Everything is working on Linux. This is release 2.0-Alpha-1. (CVS 246)

Browse Source 
FossilOrigin-Name: 14474fa144fe7c5dc63e0990d6cc92d769e6013e
This commit is contained in:
drh
2001-09-15 00:57:28 +00:00
parent f57b14a657
commit 50e5dadf2c
15 changed files with 397 additions and 208 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
src/main.c
View File

@@ -26,7 +26,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.35 2001/09/14 16:42:12 drh Exp $
** $Id: main.c,v 1.36 2001/09/15 00:57:29 drh Exp $
*/
#include "sqliteInt.h"
#if defined(HAVE_USLEEP) && HAVE_USLEEP
@@ -51,7 +51,12 @@ static int sqliteOpenCb(void *pDb, int argc, char **argv, char **azColName){
assert( argc==4 );
switch( argv[0][0] ){
case 'm': { /* Meta information */
sscanf(argv[1],"file format %d",&db->file_format);
if( strcmp(argv[1],"file-format")==0 ){
db->file_format = atoi(argv[3]);
}else if( strcmp(argv[1],"schema-cookie")==0 ){
db->schema_cookie = atoi(argv[3]);
db->next_cookie = db->schema_cookie;
}
break;
}
case 'i':
@@ -170,7 +175,12 @@ static int sqliteInit(sqlite *db, char **pzErrMsg){
{ OP_Column, 0, 4, 0},
{ OP_Callback, 4, 0, 0},
{ OP_Goto, 0, 24, 0},
{ OP_Close, 0, 0, 0}, /* 34 */
{ OP_String, 0, 0, "meta"}, /* 34 */
{ OP_String, 0, 0, "schema-cookie"},
{ OP_String, 0, 0, ""},
{ OP_ReadCookie,0,0, 0},
{ OP_Callback, 4, 0, 0},
{ OP_Close, 0, 0, 0},
{ OP_Halt, 0, 0, 0},
};
@@ -281,11 +291,16 @@ no_mem_on_open:
}
/*
** Close an existing SQLite database
** Erase all schema information from the schema hash table.
**
** The database schema is normally read in once when the database
** is first opened and stored in a hash table in the sqlite structure.
** This routine erases the stored schema. This erasure occurs because
** either the database is being closed or because some other process
** changed the schema and this process needs to reread it.
*/
void sqlite_close(sqlite *db){
static void clearHashTable(sqlite *db){
int i;
sqliteBtreeClose(db->pBe);
for(i=0; i<N_HASH; i++){
Table *pNext, *pList = db->apTblHash[i];
db->apTblHash[i] = 0;
@@ -296,6 +311,15 @@ void sqlite_close(sqlite *db){
pList = pNext;
}
}
db->flags &= ~SQLITE_Initialized;
}
/*
** Close an existing SQLite database
*/
void sqlite_close(sqlite *db){
sqliteBtreeClose(db->pBe);
clearHashTable(db);
sqliteFree(db);
}
@@ -387,6 +411,9 @@ int sqlite_exec(
sParse.rc = SQLITE_NOMEM;
}
sqliteStrRealloc(pzErrMsg);
if( sParse.rc==SQLITE_SCHEMA ){
clearHashTable(db);
}
return sParse.rc;
}