SQLite: Check-in [3db0c798]

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Overview

Comment:	Reimplement the sqlite3_bind_value() interface so that it works when the value being bound comes from a different database connection. (CVS 6504)
Downloads:	Tarball \| ZIP archive \| SQL archive
Timelines:	family \| ancestors \| descendants \| both \| trunk
Files:	files \| file ages \| folders
SHA1:	3db0c7980668cf38165add13f833863cd00a0cfe
User & Date:	drh 2009-04-14 12:43:34

Context

2009-04-14
12:58		Change the sqlite3_bind_value() implementation to use a default branch on the type switch so that there are no untested jumps in the switch. (CVS 6505) (check-in: d0a8bd6a user: drh tags: trunk)
12:43		Reimplement the sqlite3_bind_value() interface so that it works when the value being bound comes from a different database connection. (CVS 6504) (check-in: 3db0c798 user: drh tags: trunk)
2009-04-13
14:43		Enhancements to virtual table documentation. Comment changes only. No changes to code. (CVS 6503) (check-in: b0b2b283 user: drh tags: trunk)

Changes

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Changes to src/vdbeapi.c.

**    May you share freely, never taking more than you give.
**
*************************************************************************
**
** This file contains code use to implement APIs that are part of the
** VDBE.
**
** $Id: vdbeapi.c,v 1.161 2009/04/10 23:11:31 drh Exp $
*/
#include "sqliteInt.h"
#include "vdbeInt.h"

#if 0 && defined(SQLITE_ENABLE_MEMORY_MANAGEMENT)
/*
** The following structure contains pointers to the end points of a
................................................................................
  void (*xDel)(void*)
){
  return bindText(pStmt, i, zData, nData, xDel, SQLITE_UTF16NATIVE);
}
#endif /* SQLITE_OMIT_UTF16 */
int sqlite3_bind_value(sqlite3_stmt *pStmt, int i, const sqlite3_value *pValue){
  int rc;
  Vdbe *p = (Vdbe *)pStmt;
  rc = vdbeUnbind(p, i);











  if( rc==SQLITE_OK ){
    rc = sqlite3VdbeMemCopy(&p->aVar[i-1], pValue);







    if( rc==SQLITE_OK ){
      rc = sqlite3VdbeChangeEncoding(&p->aVar[i-1], ENC(p->db));


    }
    sqlite3_mutex_leave(p->db->mutex);
    rc = sqlite3ApiExit(p->db, rc);
  }
  return rc;
}
int sqlite3_bind_zeroblob(sqlite3_stmt *pStmt, int i, int n){
  int rc;
  Vdbe *p = (Vdbe *)pStmt;
  rc = vdbeUnbind(p, i);








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**    May you share freely, never taking more than you give.
**
*************************************************************************
**
** This file contains code use to implement APIs that are part of the
** VDBE.
**
** $Id: vdbeapi.c,v 1.162 2009/04/14 12:43:34 drh Exp $
*/
#include "sqliteInt.h"
#include "vdbeInt.h"

#if 0 && defined(SQLITE_ENABLE_MEMORY_MANAGEMENT)
/*
** The following structure contains pointers to the end points of a
................................................................................
  void (*xDel)(void*)
){
  return bindText(pStmt, i, zData, nData, xDel, SQLITE_UTF16NATIVE);
}
#endif /* SQLITE_OMIT_UTF16 */
int sqlite3_bind_value(sqlite3_stmt *pStmt, int i, const sqlite3_value *pValue){
  int rc;
  switch( pValue->type ){
    case SQLITE_NULL: {
      rc = sqlite3_bind_null(pStmt, i);
      break;
    }
    case SQLITE_INTEGER: {
      rc = sqlite3_bind_int64(pStmt, i, pValue->u.i);
      break;
    }
    case SQLITE_FLOAT: {
      rc = sqlite3_bind_double(pStmt, i, pValue->r);
      break;
    }
    case SQLITE_BLOB: {

      if( pValue->flags & MEM_Zero ){
        rc = sqlite3_bind_zeroblob(pStmt, i, pValue->u.nZero);
      }else{
        rc = sqlite3_bind_blob(pStmt, i, pValue->z, pValue->n,SQLITE_TRANSIENT);
      }
      break;
    }
    case SQLITE_TEXT: {

      rc = bindText(pStmt,i,  pValue->z, pValue->n, SQLITE_TRANSIENT, pValue->enc);
      break;
    }


  }
  return rc;
}
int sqlite3_bind_zeroblob(sqlite3_stmt *pStmt, int i, int n){
  int rc;
  Vdbe *p = (Vdbe *)pStmt;
  rc = vdbeUnbind(p, i);