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Overview
Comment:Bug fix: When multiple SQL statements were passed into a single sqlite_exec() call, execution speed would decrease for each statement executed because VDBE cursors were not being reused. Now the cursors are reused and execution time is linear. (CVS 754)
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SHA1: b0d27a377a9f6134f81108fe45c8c868ab4d4411
User & Date: drh 2002-09-25 19:04:07.000
Context
2002-09-25
19:26
Bump the version number to 2.7.2. (CVS 755) (check-in: a164528e8c user: drh tags: trunk)
19:04
Bug fix: When multiple SQL statements were passed into a single sqlite_exec() call, execution speed would decrease for each statement executed because VDBE cursors were not being reused. Now the cursors are reused and execution time is linear. (CVS 754) (check-in: b0d27a377a user: drh tags: trunk)
2002-09-21
15:57
Make sure memory malloced() for structures is aligned on an even byte boundry. Solaris segfaults otherwise. (CVS 753) (check-in: 14ebe30bf5 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/build.c.
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**     COPY
**     VACUUM
**     BEGIN TRANSACTION
**     COMMIT
**     ROLLBACK
**     PRAGMA
**
** $Id: build.c,v 1.113 2002/09/21 15:57:57 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** This routine is called when a new SQL statement is beginning to
** be parsed.  Check to see if the schema for the database needs








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**     COPY
**     VACUUM
**     BEGIN TRANSACTION
**     COMMIT
**     ROLLBACK
**     PRAGMA
**
** $Id: build.c,v 1.114 2002/09/25 19:04:07 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** This routine is called when a new SQL statement is beginning to
** be parsed.  Check to see if the schema for the database needs
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    }
    sqliteVdbeDelete(pParse->pVdbe);
    pParse->pVdbe = 0;
    pParse->colNamesSet = 0;
    pParse->rc = rc;
    pParse->schemaVerified = 0;
  }




}

/*
** Locate the in-memory structure that describes 
** a particular database table given the name
** of that table.  Return NULL if not found.
*/








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    }
    sqliteVdbeDelete(pParse->pVdbe);
    pParse->pVdbe = 0;
    pParse->colNamesSet = 0;
    pParse->rc = rc;
    pParse->schemaVerified = 0;
  }
  pParse->nTab = 0;
  pParse->nMem = 0;
  pParse->nSet = 0;
  pParse->nAgg = 0;
}

/*
** Locate the in-memory structure that describes 
** a particular database table given the name
** of that table.  Return NULL if not found.
*/
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