SQLite

/*
** 2003 April 6
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code used to implement the ATTACH and DETACH commands.
**
** $Id: attach.c,v 1.15 2004/06/19 09:08:16 danielk1977 Exp $
*/
#include "sqliteInt.h"

/*
** This routine is called by the parser to process an ATTACH statement:
**
**     ATTACH DATABASE filename AS dbname

  db = pParse->db;
  if( db->nDb>=MAX_ATTACHED+2 ){
    sqlite3ErrorMsg(pParse, "too many attached databases - max %d", 
       MAX_ATTACHED);
    pParse->rc = SQLITE_ERROR;
    return;
  }

  if( !db->autoCommit ){
    sqlite3ErrorMsg(pParse, "cannot ATTACH database within transaction");
    pParse->rc = SQLITE_ERROR;
    return;
  }

  zFile = 0;
  sqlite3SetNString(&zFile, pFilename->z, pFilename->n, 0);
  if( zFile==0 ) return;
  sqlite3Dequote(zFile);
#ifndef SQLITE_OMIT_AUTHORIZATION
  if( sqlite3AuthCheck(pParse, SQLITE_ATTACH, zFile, 0, 0)!=SQLITE_OK ){

  if( i>=db->nDb ){
    sqlite3ErrorMsg(pParse, "no such database: %T", pDbname);
    return;
  }
  if( i<2 ){
    sqlite3ErrorMsg(pParse, "cannot detach database %T", pDbname);
    return;
  }
  if( !db->autoCommit ){
    sqlite3ErrorMsg(pParse, "cannot DETACH database within transaction");
    pParse->rc = SQLITE_ERROR;
    return;
  }
#ifndef SQLITE_OMIT_AUTHORIZATION
  if( sqlite3AuthCheck(pParse,SQLITE_DETACH,db->aDb[i].zName,0,0)!=SQLITE_OK ){
    return;
  }
#endif /* SQLITE_OMIT_AUTHORIZATION */
  sqlite3BtreeClose(db->aDb[i].pBt);

**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.105 2004/06/19 09:08:16 danielk1977 Exp $
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include "sqlite3.h"
#include <ctype.h>

extern int isatty();

/*
** The following is the open SQLite database.  We make a pointer
** to this database a static variable so that it can be accessed
** by the SIGINT handler to interrupt database processing.
*/
static sqlite3 *db = 0;

/*
** True if an interrupt (Control-C) has been received.
*/
static int seenInterrupt = 0;

/*

};
/*
** An pointer to an instance of this structure is passed from
** the main program to the callback.  This is used to communicate
** state and mode information.
*/
struct callback_data {
  sqlite3 *db;            /* The database */
  int echoOn;            /* True to echo input commands */
  int cnt;               /* Number of records displayed so far */
  FILE *out;             /* Write results here */
  int mode;              /* An output mode setting */
  int showHeader;        /* True to show column names in List or Column mode */
  char *zDestTable;      /* Name of destination table when MODE_Insert */
  char separator[20];    /* Separator character for MODE_List */

**
*************************************************************************
** This file contains code used to implement the VACUUM command.
**
** Most of the code in this file may be omitted by defining the
** SQLITE_OMIT_VACUUM macro.
**
** $Id: vacuum.c,v 1.23 2004/06/19 09:08:16 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"

#if !defined(SQLITE_OMIT_VACUUM) || SQLITE_OMIT_VACUUM
/*
** Generate a random name of 20 character in length.

    rc = sqlite3BtreeCopyFile(pMain, pTemp);
    if( rc!=SQLITE_OK ) goto end_of_vacuum;
    rc = sqlite3BtreeCommit(pMain);
  }

end_of_vacuum:
  execSql(db, "ROLLBACK;");
  execSql(db, "DETACH vacuum_db;");
  if( zTemp ){
    sqlite3OsDelete(zTemp);
    sqliteFree(zTemp);
  }
  if( zSql ) sqliteFree( zSql );
  if( pStmt ) sqlite3_finalize( pStmt );
#endif
  return rc;
} 

#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is testing the ATTACH and DETACH commands
# and related functionality.
#
# $Id: attach2.test,v 1.20 2004/06/19 09:08:16 danielk1977 Exp $
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl


# Ticket #354

    DROP TABLE tbl;
    ROLLBACK;
  }
} {}
do_test attach2-5.5 {
  glob test.db*
} {test.db test.db2}

# Check that a database cannot be ATTACHed or DETACHed during a transaction.
do_test attach2-6.1 {
  execsql {
    BEGIN;
  }
} {}
do_test attach2-6.2 {
  catchsql {
    ATTACH 'test3.db' as aux2;
  }
} {1 {cannot ATTACH database within transaction}}

do_test attach2-6.3 {
  catchsql {
    DETACH aux;
  }
} {1 {cannot DETACH database within transaction}}
do_test attach2-6.4 {
  execsql {
    COMMIT;
    DETACH aux;
  }
} {}

db close

finish_test