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Comment:Remove the unused upgrade_3_schema subroutine from main.c. (CVS 1356)
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SHA1: b5d2771ee0e9c77967b4a64a97dcd56c067bc7b8
User & Date: drh 2004-05-11 09:05:49
Context
2004-05-11
09:31
Fix an offset problem in the meta values that was causing problems for many tests. (CVS 1357) check-in: 6d378cb7 user: drh tags: trunk
09:05
Remove the unused upgrade_3_schema subroutine from main.c. (CVS 1356) check-in: b5d2771e user: drh tags: trunk
08:48
More small changes to get test cases to execute. (CVS 1355) check-in: 6dc60046 user: danielk1977 tags: trunk
Changes
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Changes to src/main.c.

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**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.171 2004/05/11 08:48:11 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
** A pointer to this structure is used to communicate information
................................................................................
      /* This can not happen! */
      nErr = 1;
      assert( nErr==0 );
    }
  }
  return nErr;
}

/*
** This is a callback procedure used to reconstruct a table.  The
** name of the table to be reconstructed is passed in as argv[0].
**
** This routine is used to automatically upgrade a database from
** format version 1 or 2 to version 3.  The correct operation of
** this routine relys on the fact that no indices are used when
** copying a table out to a temporary file.
**
** The change from version 2 to version 3 occurred between SQLite
** version 2.5.6 and 2.6.0 on 2002-July-18.  
*/
static
int upgrade_3_callback(void *pInit, int argc, char **argv, char **NotUsed){
  InitData *pData = (InitData*)pInit;
  int rc;
  Table *pTab;
  Trigger *pTrig;
  char *zErr = 0;

  pTab = sqlite3FindTable(pData->db, argv[0], 0);
  assert( pTab!=0 );
  assert( sqlite3StrICmp(pTab->zName, argv[0])==0 );
  if( pTab ){
    pTrig = pTab->pTrigger;
    pTab->pTrigger = 0;  /* Disable all triggers before rebuilding the table */
  }
  rc = sqlite3_exec_printf(pData->db,
    "CREATE TEMP TABLE sqlite_x AS SELECT * FROM '%q'; "
    "DELETE FROM '%q'; "
    "INSERT INTO '%q' SELECT * FROM sqlite_x; "
    "DROP TABLE sqlite_x;",
    0, 0, &zErr, argv[0], argv[0], argv[0]);
  if( zErr ){
    if( *pData->pzErrMsg ) sqlite3_freemem(*pData->pzErrMsg);
    *pData->pzErrMsg = zErr;
  }

  /* If an error occurred in the SQL above, then the transaction will
  ** rollback which will delete the internal symbol tables.  This will
  ** cause the structure that pTab points to be deleted.  In case that
  ** happened, we need to refetch pTab.
  */
  pTab = sqlite3FindTable(pData->db, argv[0], 0);
  if( pTab ){
    assert( sqlite3StrICmp(pTab->zName, argv[0])==0 );
    pTab->pTrigger = pTrig;  /* Re-enable triggers */
  }
  return rc!=SQLITE_OK;
}



/*
** Attempt to read the database schema and initialize internal
** data structures for a single database file.  The index of the
** database file is given by iDb.  iDb==0 is used for the main
** database.  iDb==1 should never be used.  iDb>=2 is used for
** auxiliary databases.  Return one of the SQLITE_ error codes to







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**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.172 2004/05/11 09:05:49 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
** A pointer to this structure is used to communicate information
................................................................................
      /* This can not happen! */
      nErr = 1;
      assert( nErr==0 );
    }
  }
  return nErr;
}






















































/*
** Attempt to read the database schema and initialize internal
** data structures for a single database file.  The index of the
** database file is given by iDb.  iDb==0 is used for the main
** database.  iDb==1 should never be used.  iDb>=2 is used for
** auxiliary databases.  Return one of the SQLITE_ error codes to