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Overview
Comment: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)
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SHA1: d0a8bd6a53c5da0ac6b88818f82c7f7d330b527a
User & Date: drh 2009-04-14 12:58:20.000
Context
2009-04-14
18:44
nMax can be zero and subtracting 1 from an unsigned zero produces undesirable results (CVS 6506) (check-in: a117d82dad user: aswift tags: trunk)
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: d0a8bd6a53 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: 3db0c79806 user: drh tags: trunk)
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to src/vdbeapi.c.
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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 $
** $Id: vdbeapi.c,v 1.163 2009/04/14 12:58:20 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
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){
  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);
      rc = bindText(pStmt,i,  pValue->z, pValue->n, SQLITE_TRANSIENT,
                              pValue->enc);
      break;
    }
    default: {
      rc = sqlite3_bind_null(pStmt, i);
      break;
    }
  }
  return rc;
}
int sqlite3_bind_zeroblob(sqlite3_stmt *pStmt, int i, int n){
  int rc;
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