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Overview
Comment:A failed ATTACH leaves the database in a consistent state. Ticket #811. (CVS 1811)
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SHA1: c22f9feb1bb00d1d54a8a87b557195573463fda9
User & Date: drh 2004-07-19 00:56:24.000
Context
2004-07-19
02:12
Correctly handle joins of more than 32 tables. Ticket #806. (CVS 1812) (check-in: 8806440970 user: drh tags: trunk)
00:56
A failed ATTACH leaves the database in a consistent state. Ticket #811. (CVS 1811) (check-in: c22f9feb1b user: drh tags: trunk)
00:39
When comparing two expressions do not apply affinity to either operand. Ticket #805. (CVS 1810) (check-in: 88a4e400f9 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/attach.c. 
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/*
** 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 1.21 2004/06/30 09:49:23 danielk1977 Exp $
*/
#include "sqliteInt.h"

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














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/*
** 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 1.22 2004/07/19 00:56:24 drh Exp $
*/
#include "sqliteInt.h"

/*
** This routine is called by the parser to process an ATTACH statement:
**
**     ATTACH DATABASE filename AS dbname
︙︙
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      nKey = 0;
    }
    sqliteCodecAttach(db, db->nDb-1, zKey, nKey);
  }
#endif
  sqliteFree(zFile);
  db->flags &= ~SQLITE_Initialized;
  if( pParse->nErr ) return;
  if( rc==SQLITE_OK ){
    rc = sqlite3ReadSchema(pParse);
  }
  if( rc ){
    int i = db->nDb - 1;
    assert( i>=2 );
    if( db->aDb[i].pBt ){
      sqlite3BtreeClose(db->aDb[i].pBt);








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      nKey = 0;
    }
    sqliteCodecAttach(db, db->nDb-1, zKey, nKey);
  }
#endif
  sqliteFree(zFile);
  db->flags &= ~SQLITE_Initialized;
  if( pParse->nErr==0 && rc==SQLITE_OK ){

    rc = sqlite3ReadSchema(pParse);
  }
  if( rc ){
    int i = db->nDb - 1;
    assert( i>=2 );
    if( db->aDb[i].pBt ){
      sqlite3BtreeClose(db->aDb[i].pBt);
︙︙
Changes to test/attach3.test.
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#    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 schema changes to attached databases.
#
# $Id: attach3.test,v 1.8 2004/06/19 02:22:11 danielk1977 Exp $
#


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

# Create tables t1 and t2 in the main database








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#    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 schema changes to attached databases.
#
# $Id: attach3.test,v 1.9 2004/07/19 00:56:24 drh Exp $
#


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

# Create tables t1 and t2 in the main database
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# Make sure the aux.sqlite_master table is read-only
do_test attach3-10.0 {
  catchsql {
    INSERT INTO aux.sqlite_master VALUES(1, 2, 3, 4, 5);
  }
} {1 {table sqlite_master may not be modified}}




finish_test
























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# Make sure the aux.sqlite_master table is read-only
do_test attach3-10.0 {
  catchsql {
    INSERT INTO aux.sqlite_master VALUES(1, 2, 3, 4, 5);
  }
} {1 {table sqlite_master may not be modified}}

# Failure to attach leaves us in a workable state.
# Ticket #811
#
do_test attach3-11.0 {
  catchsql {
    ATTACH DATABASE '/nodir/nofile.x' AS notadb;
  }
} {1 {unable to open database: /nodir/nofile.x}}
do_test attach3-11.1 {
  catchsql {
    ATTACH DATABASE ':memory:' AS notadb;
  }
} {0 {}}
do_test attach3-11.2 {
  catchsql {
    DETACH DATABASE notadb;
  }
} {0 {}}

finish_test