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Overview
Comment:First cut at adding the sqlite3_prepare_v2() API. Test cases added, but more testing would be useful. Still need to update the documentation. (CVS 3506)
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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: f1efae9224170c9155afcf17ab3ee769a557b874
User & Date: drh 2006-11-09 00:24:54.000
Context
2006-11-09
15:18
Update the documentation to talk about the new sqlite3_prepare_v2() API. (CVS 3507) (check-in: d9e14b6121 user: drh tags: trunk)
00:24
First cut at adding the sqlite3_prepare_v2() API. Test cases added, but more testing would be useful. Still need to update the documentation. (CVS 3506) (check-in: f1efae9224 user: drh tags: trunk)
2006-11-08
12:25
Make the .exit and .quit commands work again in the shell. Ticket #2056. (CVS 3505) (check-in: f39978ef13 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/prepare.c.
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**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains the implementation of the sqlite3_prepare()
** interface, and routines that contribute to loading the database schema
** from disk.
**
** $Id: prepare.c,v 1.40 2006/09/23 20:36:02 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
** Fill the InitData structure with an error message that indicates







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**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains the implementation of the sqlite3_prepare()
** interface, and routines that contribute to loading the database schema
** from disk.
**
** $Id: prepare.c,v 1.41 2006/11/09 00:24:54 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
** Fill the InitData structure with an error message that indicates
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  }
  return i;
}

/*
** Compile the UTF-8 encoded SQL statement zSql into a statement handle.
*/
int sqlite3_prepare(
  sqlite3 *db,              /* Database handle. */
  const char *zSql,         /* UTF-8 encoded SQL statement. */
  int nBytes,               /* Length of zSql in bytes. */

  sqlite3_stmt **ppStmt,    /* OUT: A pointer to the prepared statement */
  const char** pzTail       /* OUT: End of parsed string */
){
  Parse sParse;
  char *zErrMsg = 0;
  int rc = SQLITE_OK;
  int i;

  /* Assert that malloc() has not failed */







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  }
  return i;
}

/*
** Compile the UTF-8 encoded SQL statement zSql into a statement handle.
*/
int sqlite3Prepare(
  sqlite3 *db,              /* Database handle. */
  const char *zSql,         /* UTF-8 encoded SQL statement. */
  int nBytes,               /* Length of zSql in bytes. */
  int saveSqlFlag,          /* True to copy SQL text into the sqlite3_stmt */
  sqlite3_stmt **ppStmt,    /* OUT: A pointer to the prepared statement */
  const char **pzTail       /* OUT: End of parsed string */
){
  Parse sParse;
  char *zErrMsg = 0;
  int rc = SQLITE_OK;
  int i;

  /* Assert that malloc() has not failed */
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  }
  if( sParse.rc==SQLITE_SCHEMA ){
    sqlite3ResetInternalSchema(db, 0);
  }
  if( sqlite3MallocFailed() ){
    sParse.rc = SQLITE_NOMEM;
  }

  if( pzTail ) *pzTail = sParse.zTail;

  rc = sParse.rc;

#ifndef SQLITE_OMIT_EXPLAIN
  if( rc==SQLITE_OK && sParse.pVdbe && sParse.explain ){
    if( sParse.explain==2 ){
      sqlite3VdbeSetNumCols(sParse.pVdbe, 3);
      sqlite3VdbeSetColName(sParse.pVdbe, 0, COLNAME_NAME, "order", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 1, COLNAME_NAME, "from", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 2, COLNAME_NAME, "detail", P3_STATIC);
    }else{
      sqlite3VdbeSetNumCols(sParse.pVdbe, 5);
      sqlite3VdbeSetColName(sParse.pVdbe, 0, COLNAME_NAME, "addr", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 1, COLNAME_NAME, "opcode", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 2, COLNAME_NAME, "p1", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 3, COLNAME_NAME, "p2", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 4, COLNAME_NAME, "p3", P3_STATIC);
    }
  } 
#endif

  if( sqlite3SafetyOff(db) ){
    rc = SQLITE_MISUSE;
  }
  if( rc==SQLITE_OK ){



    *ppStmt = (sqlite3_stmt*)sParse.pVdbe;
  }else if( sParse.pVdbe ){
    sqlite3_finalize((sqlite3_stmt*)sParse.pVdbe);
  }

  if( zErrMsg ){
    sqlite3Error(db, rc, "%s", zErrMsg);
    sqliteFree(zErrMsg);
  }else{
    sqlite3Error(db, rc, 0);
  }

  rc = sqlite3ApiExit(db, rc);
  sqlite3ReleaseThreadData();
  assert( (rc&db->errMask)==rc );
  return rc;
}


























































#ifndef SQLITE_OMIT_UTF16
/*
** Compile the UTF-16 encoded SQL statement zSql into a statement handle.
*/
int sqlite3_prepare16(
  sqlite3 *db,              /* Database handle. */ 
  const void *zSql,         /* UTF-8 encoded SQL statement. */
  int nBytes,               /* Length of zSql in bytes. */

  sqlite3_stmt **ppStmt,    /* OUT: A pointer to the prepared statement */
  const void **pzTail       /* OUT: End of parsed string */
){
  /* This function currently works by first transforming the UTF-16
  ** encoded string to UTF-8, then invoking sqlite3_prepare(). The
  ** tricky bit is figuring out the pointer to return in *pzTail.
  */
  char *zSql8;
  const char *zTail8 = 0;
  int rc = SQLITE_OK;

  if( sqlite3SafetyCheck(db) ){
    return SQLITE_MISUSE;
  }
  zSql8 = sqlite3utf16to8(zSql, nBytes);
  if( zSql8 ){
    rc = sqlite3_prepare(db, zSql8, -1, ppStmt, &zTail8);
  }

  if( zTail8 && pzTail ){
    /* If sqlite3_prepare returns a tail pointer, we calculate the
    ** equivalent pointer into the UTF-16 string by counting the unicode
    ** characters between zSql8 and zTail8, and then returning a pointer
    ** the same number of characters into the UTF-16 string.
    */
    int chars_parsed = sqlite3utf8CharLen(zSql8, zTail8-zSql8);
    *pzTail = (u8 *)zSql + sqlite3utf16ByteLen(zSql, chars_parsed);
  }
  sqliteFree(zSql8); 
  return sqlite3ApiExit(db, rc);
}




























#endif /* SQLITE_OMIT_UTF16 */







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  }
  if( sParse.rc==SQLITE_SCHEMA ){
    sqlite3ResetInternalSchema(db, 0);
  }
  if( sqlite3MallocFailed() ){
    sParse.rc = SQLITE_NOMEM;
  }
  if( pzTail ){
    *pzTail = sParse.zTail;
  }
  rc = sParse.rc;

#ifndef SQLITE_OMIT_EXPLAIN
  if( rc==SQLITE_OK && sParse.pVdbe && sParse.explain ){
    if( sParse.explain==2 ){
      sqlite3VdbeSetNumCols(sParse.pVdbe, 3);
      sqlite3VdbeSetColName(sParse.pVdbe, 0, COLNAME_NAME, "order", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 1, COLNAME_NAME, "from", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 2, COLNAME_NAME, "detail", P3_STATIC);
    }else{
      sqlite3VdbeSetNumCols(sParse.pVdbe, 5);
      sqlite3VdbeSetColName(sParse.pVdbe, 0, COLNAME_NAME, "addr", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 1, COLNAME_NAME, "opcode", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 2, COLNAME_NAME, "p1", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 3, COLNAME_NAME, "p2", P3_STATIC);
      sqlite3VdbeSetColName(sParse.pVdbe, 4, COLNAME_NAME, "p3", P3_STATIC);
    }
  }
#endif

  if( sqlite3SafetyOff(db) ){
    rc = SQLITE_MISUSE;
  }
  if( rc==SQLITE_OK ){
    if( saveSqlFlag ){
      sqlite3VdbeSetSql(sParse.pVdbe, zSql, sParse.zTail - zSql);
    }
    *ppStmt = (sqlite3_stmt*)sParse.pVdbe;
  }else if( sParse.pVdbe ){
    sqlite3_finalize((sqlite3_stmt*)sParse.pVdbe);
  }

  if( zErrMsg ){
    sqlite3Error(db, rc, "%s", zErrMsg);
    sqliteFree(zErrMsg);
  }else{
    sqlite3Error(db, rc, 0);
  }

  rc = sqlite3ApiExit(db, rc);
  sqlite3ReleaseThreadData();
  assert( (rc&db->errMask)==rc );
  return rc;
}

/*
** Rerun the compilation of a statement after a schema change.
** Return true if the statement was recompiled successfully.
** Return false if there is an error of some kind.
*/
int sqlite3Reprepare(Vdbe *p){
  int rc;
  Vdbe *pNew;
  const char *zSql;
  sqlite3 *db;
  
  zSql = sqlite3VdbeGetSql(p);
  if( zSql==0 ){
    return 0;
  }
  db = sqlite3VdbeDb(p);
  rc = sqlite3Prepare(db, zSql, -1, 0, (sqlite3_stmt**)&pNew, 0);
  if( rc ){
    assert( pNew==0 );
    return 0;
  }else{
    assert( pNew!=0 );
  }
  sqlite3VdbeSwapOps(pNew, p);
  sqlite3_finalize((sqlite3_stmt*)pNew);
  return 1;
}


/*
** Two versions of the official API.  Legacy and new use.  In the legacy
** version, the original SQL text is not saved in the prepared statement
** and so if a schema change occurs, SQLITE_SCHEMA is returned by
** sqlite3_step().  In the new version, the original SQL text is retained
** and the statement is automatically recompiled if an schema change
** occurs.
*/
int sqlite3_prepare(
  sqlite3 *db,              /* Database handle. */
  const char *zSql,         /* UTF-8 encoded SQL statement. */
  int nBytes,               /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,    /* OUT: A pointer to the prepared statement */
  const char **pzTail       /* OUT: End of parsed string */
){
  return sqlite3Prepare(db,zSql,nBytes,0,ppStmt,pzTail);
}
int sqlite3_prepare_v2(
  sqlite3 *db,              /* Database handle. */
  const char *zSql,         /* UTF-8 encoded SQL statement. */
  int nBytes,               /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,    /* OUT: A pointer to the prepared statement */
  const char **pzTail       /* OUT: End of parsed string */
){
  return sqlite3Prepare(db,zSql,nBytes,1,ppStmt,pzTail);
}


#ifndef SQLITE_OMIT_UTF16
/*
** Compile the UTF-16 encoded SQL statement zSql into a statement handle.
*/
static int sqlite3Prepare16(
  sqlite3 *db,              /* Database handle. */ 
  const void *zSql,         /* UTF-8 encoded SQL statement. */
  int nBytes,               /* Length of zSql in bytes. */
  int saveSqlFlag,          /* True to save SQL text into the sqlite3_stmt */
  sqlite3_stmt **ppStmt,    /* OUT: A pointer to the prepared statement */
  const void **pzTail       /* OUT: End of parsed string */
){
  /* This function currently works by first transforming the UTF-16
  ** encoded string to UTF-8, then invoking sqlite3_prepare(). The
  ** tricky bit is figuring out the pointer to return in *pzTail.
  */
  char *zSql8;
  const char *zTail8 = 0;
  int rc = SQLITE_OK;

  if( sqlite3SafetyCheck(db) ){
    return SQLITE_MISUSE;
  }
  zSql8 = sqlite3utf16to8(zSql, nBytes);
  if( zSql8 ){
    rc = sqlite3Prepare(db, zSql8, -1, saveSqlFlag, ppStmt, &zTail8);
  }

  if( zTail8 && pzTail ){
    /* If sqlite3_prepare returns a tail pointer, we calculate the
    ** equivalent pointer into the UTF-16 string by counting the unicode
    ** characters between zSql8 and zTail8, and then returning a pointer
    ** the same number of characters into the UTF-16 string.
    */
    int chars_parsed = sqlite3utf8CharLen(zSql8, zTail8-zSql8);
    *pzTail = (u8 *)zSql + sqlite3utf16ByteLen(zSql, chars_parsed);
  }
  sqliteFree(zSql8); 
  return sqlite3ApiExit(db, rc);
}

/*
** Two versions of the official API.  Legacy and new use.  In the legacy
** version, the original SQL text is not saved in the prepared statement
** and so if a schema change occurs, SQLITE_SCHEMA is returned by
** sqlite3_step().  In the new version, the original SQL text is retained
** and the statement is automatically recompiled if an schema change
** occurs.
*/
int sqlite3_prepare16(
  sqlite3 *db,              /* Database handle. */ 
  const void *zSql,         /* UTF-8 encoded SQL statement. */
  int nBytes,               /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,    /* OUT: A pointer to the prepared statement */
  const void **pzTail       /* OUT: End of parsed string */
){
  return sqlite3Prepare16(db,zSql,nBytes,0,ppStmt,pzTail);
}
int sqlite3_prepare16_v2(
  sqlite3 *db,              /* Database handle. */ 
  const void *zSql,         /* UTF-8 encoded SQL statement. */
  int nBytes,               /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,    /* OUT: A pointer to the prepared statement */
  const void **pzTail       /* OUT: End of parsed string */
){
  return sqlite3Prepare16(db,zSql,nBytes,1,ppStmt,pzTail);
}

#endif /* SQLITE_OMIT_UTF16 */
Changes to src/sqlite.h.in.
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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the interface that the SQLite library
** presents to client programs.
**
** @(#) $Id: sqlite.h.in,v 1.194 2006/09/16 21:45:14 drh Exp $
*/
#ifndef _SQLITE3_H_
#define _SQLITE3_H_
#include <stdarg.h>     /* Needed for the definition of va_list */

/*
** Make sure we can call this stuff from C++.







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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the interface that the SQLite library
** presents to client programs.
**
** @(#) $Id: sqlite.h.in,v 1.195 2006/11/09 00:24:54 drh Exp $
*/
#ifndef _SQLITE3_H_
#define _SQLITE3_H_
#include <stdarg.h>     /* Needed for the definition of va_list */

/*
** Make sure we can call this stuff from C++.
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  sqlite3 *db,            /* Database handle */
  const char *zSql,       /* SQL statement, UTF-8 encoded */
  int nBytes,             /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const char **pzTail     /* OUT: Pointer to unused portion of zSql */
);
int sqlite3_prepare16(

























  sqlite3 *db,            /* Database handle */
  const void *zSql,       /* SQL statement, UTF-16 encoded */
  int nBytes,             /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const void **pzTail     /* OUT: Pointer to unused portion of zSql */
);








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  sqlite3 *db,            /* Database handle */
  const char *zSql,       /* SQL statement, UTF-8 encoded */
  int nBytes,             /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const char **pzTail     /* OUT: Pointer to unused portion of zSql */
);
int sqlite3_prepare16(
  sqlite3 *db,            /* Database handle */
  const void *zSql,       /* SQL statement, UTF-16 encoded */
  int nBytes,             /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const void **pzTail     /* OUT: Pointer to unused portion of zSql */
);

/*
** Newer versions of the prepare API work just like the legacy versions
** but with one exception:  The a copy of the SQL text is saved in the
** sqlite3_stmt structure that is returned.  If this copy exists, it
** modifieds the behavior of sqlite3_step() slightly.  First, sqlite3_step()
** will no longer return an SQLITE_SCHEMA error but will instead automatically
** rerun the compiler to rebuild the prepared statement.  Secondly, 
** sqlite3_step() now turns a full result code - the result code that
** use used to have to call sqlite3_reset() to get.
*/
int sqlite3_prepare_v2(
  sqlite3 *db,            /* Database handle */
  const char *zSql,       /* SQL statement, UTF-8 encoded */
  int nBytes,             /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const char **pzTail     /* OUT: Pointer to unused portion of zSql */
);
int sqlite3_prepare16_v2(
  sqlite3 *db,            /* Database handle */
  const void *zSql,       /* SQL statement, UTF-16 encoded */
  int nBytes,             /* Length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const void **pzTail     /* OUT: Pointer to unused portion of zSql */
);

Changes to src/sqliteInt.h.
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/*
** 2001 September 15
**
** 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.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.529 2006/09/23 20:36:02 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_

/*
** Extra interface definitions for those who need them
*/













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/*
** 2001 September 15
**
** 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.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.530 2006/11/09 00:24:54 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_

/*
** Extra interface definitions for those who need them
*/
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void sqlite3VtabArgExtend(Parse*, Token*);
int sqlite3VtabCallCreate(sqlite3*, int, const char *, char **);
int sqlite3VtabCallConnect(Parse*, Table*);
int sqlite3VtabCallDestroy(sqlite3*, int, const char *);
int sqlite3VtabBegin(sqlite3 *, sqlite3_vtab *);
FuncDef *sqlite3VtabOverloadFunction(FuncDef*, int nArg, Expr*);
void sqlite3InvalidFunction(sqlite3_context*,int,sqlite3_value**);


#ifdef SQLITE_SSE
#include "sseInt.h"
#endif

#endif







>






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void sqlite3VtabArgExtend(Parse*, Token*);
int sqlite3VtabCallCreate(sqlite3*, int, const char *, char **);
int sqlite3VtabCallConnect(Parse*, Table*);
int sqlite3VtabCallDestroy(sqlite3*, int, const char *);
int sqlite3VtabBegin(sqlite3 *, sqlite3_vtab *);
FuncDef *sqlite3VtabOverloadFunction(FuncDef*, int nArg, Expr*);
void sqlite3InvalidFunction(sqlite3_context*,int,sqlite3_value**);
int sqlite3Reprepare(Vdbe*);

#ifdef SQLITE_SSE
#include "sseInt.h"
#endif

#endif
Changes to src/test1.c.
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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing all sorts of SQLite interfaces.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test1.c,v 1.223 2006/10/19 20:27:59 shess Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include "os.h"
#include <stdlib.h>
#include <string.h>








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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing all sorts of SQLite interfaces.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test1.c,v 1.224 2006/11/09 00:24:54 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include "os.h"
#include <stdlib.h>
#include <string.h>

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    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
    Tcl_AppendResult(interp, zBuf, 0);
  }
  return TCL_OK;
}

/*
** Usage: sqlite3_prepare DB sql bytes tailvar





















































**
** Compile up to <bytes> bytes of the supplied SQL string <sql> using
** database handle <DB>. The parameter <tailval> is the name of a global
** variable that is set to the unused portion of <sql> (if any). A
** STMT handle is returned.
*/
static int test_prepare16(







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    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
    Tcl_AppendResult(interp, zBuf, 0);
  }
  return TCL_OK;
}

/*
** Usage: sqlite3_prepare_v2 DB sql bytes tailvar
**
** Compile up to <bytes> bytes of the supplied SQL string <sql> using
** database handle <DB>. The parameter <tailval> is the name of a global
** variable that is set to the unused portion of <sql> (if any). A
** STMT handle is returned.
*/
static int test_prepare_v2(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3 *db;
  const char *zSql;
  int bytes;
  const char *zTail = 0;
  sqlite3_stmt *pStmt = 0;
  char zBuf[50];
  int rc;

  if( objc!=5 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", 
       Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
    return TCL_ERROR;
  }
  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
  zSql = Tcl_GetString(objv[2]);
  if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;

  rc = sqlite3_prepare_v2(db, zSql, bytes, &pStmt, &zTail);
  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
  if( zTail ){
    if( bytes>=0 ){
      bytes = bytes - (zTail-zSql);
    }
    Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
  }
  if( rc!=SQLITE_OK ){
    assert( pStmt==0 );
    sprintf(zBuf, "(%d) ", rc);
    Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
    return TCL_ERROR;
  }

  if( pStmt ){
    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
    Tcl_AppendResult(interp, zBuf, 0);
  }
  return TCL_OK;
}

/*
** Usage: sqlite3_prepare16 DB sql bytes tailvar
**
** Compile up to <bytes> bytes of the supplied SQL string <sql> using
** database handle <DB>. The parameter <tailval> is the name of a global
** variable that is set to the unused portion of <sql> (if any). A
** STMT handle is returned.
*/
static int test_prepare16(
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  if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;

  rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, &zTail);
  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
  if( rc ){
    return TCL_ERROR;
  }



























































  if( zTail ){
    objlen = objlen - ((u8 *)zTail-(u8 *)zSql);
  }else{
    objlen = 0;
  }
  pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);







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  if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;

  rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, &zTail);
  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
  if( rc ){
    return TCL_ERROR;
  }

  if( zTail ){
    objlen = objlen - ((u8 *)zTail-(u8 *)zSql);
  }else{
    objlen = 0;
  }
  pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
  Tcl_IncrRefCount(pTail);
  Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
  Tcl_DecrRefCount(pTail);

  if( pStmt ){
    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
  }
  Tcl_AppendResult(interp, zBuf, 0);
#endif /* SQLITE_OMIT_UTF16 */
  return TCL_OK;
}

/*
** Usage: sqlite3_prepare16_v2 DB sql bytes tailvar
**
** Compile up to <bytes> bytes of the supplied SQL string <sql> using
** database handle <DB>. The parameter <tailval> is the name of a global
** variable that is set to the unused portion of <sql> (if any). A
** STMT handle is returned.
*/
static int test_prepare16_v2(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
#ifndef SQLITE_OMIT_UTF16
  sqlite3 *db;
  const void *zSql;
  const void *zTail = 0;
  Tcl_Obj *pTail = 0;
  sqlite3_stmt *pStmt = 0;
  char zBuf[50]; 
  int rc;
  int bytes;                /* The integer specified as arg 3 */
  int objlen;               /* The byte-array length of arg 2 */

  if( objc!=5 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", 
       Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
    return TCL_ERROR;
  }
  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
  zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
  if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;

  rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, &zTail);
  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
  if( rc ){
    return TCL_ERROR;
  }

  if( zTail ){
    objlen = objlen - ((u8 *)zTail-(u8 *)zSql);
  }else{
    objlen = 0;
  }
  pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
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     { "sqlite3_errmsg16",              test_errmsg16      ,0 },
     { "sqlite3_open",                  test_open          ,0 },
     { "sqlite3_open16",                test_open16        ,0 },
     { "sqlite3_complete16",            test_complete16    ,0 },

     { "sqlite3_prepare",               test_prepare       ,0 },
     { "sqlite3_prepare16",             test_prepare16     ,0 },


     { "sqlite3_finalize",              test_finalize      ,0 },
     { "sqlite3_reset",                 test_reset         ,0 },
     { "sqlite3_expired",               test_expired       ,0 },
     { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
     { "sqlite3_changes",               test_changes       ,0 },
     { "sqlite3_step",                  test_step          ,0 },








>
>







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     { "sqlite3_errmsg16",              test_errmsg16      ,0 },
     { "sqlite3_open",                  test_open          ,0 },
     { "sqlite3_open16",                test_open16        ,0 },
     { "sqlite3_complete16",            test_complete16    ,0 },

     { "sqlite3_prepare",               test_prepare       ,0 },
     { "sqlite3_prepare16",             test_prepare16     ,0 },
     { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
     { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
     { "sqlite3_finalize",              test_finalize      ,0 },
     { "sqlite3_reset",                 test_reset         ,0 },
     { "sqlite3_expired",               test_expired       ,0 },
     { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
     { "sqlite3_changes",               test_changes       ,0 },
     { "sqlite3_step",                  test_step          ,0 },

Changes to src/vdbe.h.
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*************************************************************************
** Header file for the Virtual DataBase Engine (VDBE)
**
** This header defines the interface to the virtual database engine
** or VDBE.  The VDBE implements an abstract machine that runs a
** simple program to access and modify the underlying database.
**
** $Id: vdbe.h,v 1.105 2006/06/13 23:51:35 drh Exp $
*/
#ifndef _SQLITE_VDBE_H_
#define _SQLITE_VDBE_H_
#include <stdio.h>

/*
** A single VDBE is an opaque structure named "Vdbe".  Only routines







|







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*************************************************************************
** Header file for the Virtual DataBase Engine (VDBE)
**
** This header defines the interface to the virtual database engine
** or VDBE.  The VDBE implements an abstract machine that runs a
** simple program to access and modify the underlying database.
**
** $Id: vdbe.h,v 1.106 2006/11/09 00:24:54 drh Exp $
*/
#ifndef _SQLITE_VDBE_H_
#define _SQLITE_VDBE_H_
#include <stdio.h>

/*
** A single VDBE is an opaque structure named "Vdbe".  Only routines
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135
136
137



138
139
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143
144
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146
void sqlite3VdbeTrace(Vdbe*,FILE*);
int sqlite3VdbeReset(Vdbe*);
int sqliteVdbeSetVariables(Vdbe*,int,const char**);
void sqlite3VdbeSetNumCols(Vdbe*,int);
int sqlite3VdbeSetColName(Vdbe*, int, int, const char *, int);
void sqlite3VdbeCountChanges(Vdbe*);
sqlite3 *sqlite3VdbeDb(Vdbe*);




#ifndef NDEBUG
  void sqlite3VdbeComment(Vdbe*, const char*, ...);
# define VdbeComment(X)  sqlite3VdbeComment X
#else
# define VdbeComment(X)
#endif

#endif







>
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131
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149
void sqlite3VdbeTrace(Vdbe*,FILE*);
int sqlite3VdbeReset(Vdbe*);
int sqliteVdbeSetVariables(Vdbe*,int,const char**);
void sqlite3VdbeSetNumCols(Vdbe*,int);
int sqlite3VdbeSetColName(Vdbe*, int, int, const char *, int);
void sqlite3VdbeCountChanges(Vdbe*);
sqlite3 *sqlite3VdbeDb(Vdbe*);
void sqlite3VdbeSetSql(Vdbe*, const char *z, int n);
const char *sqlite3VdbeGetSql(Vdbe*);
void sqlite3VdbeSwapOps(Vdbe*,Vdbe*);

#ifndef NDEBUG
  void sqlite3VdbeComment(Vdbe*, const char*, ...);
# define VdbeComment(X)  sqlite3VdbeComment X
#else
# define VdbeComment(X)
#endif

#endif
Changes to src/vdbeInt.h.
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331
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  u8 changeCntOn;         /* True to update the change-counter */
  u8 aborted;             /* True if ROLLBACK in another VM causes an abort */
  u8 expired;             /* True if the VM needs to be recompiled */
  u8 minWriteFileFormat;  /* Minimum file format for writable database files */
  u8 inVtabMethod;        /* See comments above */
  int nChange;            /* Number of db changes made since last reset */
  i64 startTime;          /* Time when query started - used for profiling */


#ifdef SQLITE_SSE
  int fetchId;          /* Statement number used by sqlite3_fetch_statement */
  int lru;              /* Counter used for LRU cache replacement */
#endif
};

/*







>
>







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  u8 changeCntOn;         /* True to update the change-counter */
  u8 aborted;             /* True if ROLLBACK in another VM causes an abort */
  u8 expired;             /* True if the VM needs to be recompiled */
  u8 minWriteFileFormat;  /* Minimum file format for writable database files */
  u8 inVtabMethod;        /* See comments above */
  int nChange;            /* Number of db changes made since last reset */
  i64 startTime;          /* Time when query started - used for profiling */
  int nSql;             /* Number of bytes in zSql */
  char *zSql;           /* Text of the SQL statement that generated this */
#ifdef SQLITE_SSE
  int fetchId;          /* Statement number used by sqlite3_fetch_statement */
  int lru;              /* Counter used for LRU cache replacement */
#endif
};

/*
Changes to src/vdbeapi.c.
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155





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182
  sqlite3VdbeMemCopy(&pCtx->s, pValue);
}


/*
** Execute the statement pStmt, either until a row of data is ready, the
** statement is completely executed or an error occurs.





*/
int sqlite3_step(sqlite3_stmt *pStmt){
  Vdbe *p = (Vdbe*)pStmt;
  sqlite3 *db;
  int rc;

  /* Assert that malloc() has not failed */
  assert( !sqlite3MallocFailed() );

  if( p==0 || p->magic!=VDBE_MAGIC_RUN ){
    return SQLITE_MISUSE;
  }
  if( p->aborted ){
    return SQLITE_ABORT;
  }
  if( p->pc<=0 && p->expired ){
    if( p->rc==SQLITE_OK ){
      p->rc = SQLITE_SCHEMA;
    }
    return SQLITE_ERROR;

  }
  db = p->db;
  if( sqlite3SafetyOn(db) ){
    p->rc = SQLITE_MISUSE;
    return SQLITE_MISUSE;
  }
  if( p->pc<0 ){







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|
>







149
150
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153
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162

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187
  sqlite3VdbeMemCopy(&pCtx->s, pValue);
}


/*
** Execute the statement pStmt, either until a row of data is ready, the
** statement is completely executed or an error occurs.
**
** This routine implements the bulk of the logic behind the sqlite_step()
** API.  The only thing omitted is the automatic recompile if a 
** schema change has occurred.  That detail is handled by the
** outer sqlite3_step() wrapper procedure.
*/
static int sqlite3Step(Vdbe *p){

  sqlite3 *db;
  int rc;

  /* Assert that malloc() has not failed */
  assert( !sqlite3MallocFailed() );

  if( p==0 || p->magic!=VDBE_MAGIC_RUN ){
    return SQLITE_MISUSE;
  }
  if( p->aborted ){
    return SQLITE_ABORT;
  }
  if( p->pc<=0 && p->expired ){
    if( p->rc==SQLITE_OK ){
      p->rc = SQLITE_SCHEMA;
    }
    rc = SQLITE_ERROR;
    goto end_of_step;
  }
  db = p->db;
  if( sqlite3SafetyOn(db) ){
    p->rc = SQLITE_MISUSE;
    return SQLITE_MISUSE;
  }
  if( p->pc<0 ){
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252
253
254
255
256

257







258
259

























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266
    assert( p->aOp[p->nOp-1].p3type==P3_DYNAMIC );
    db->xProfile(db->pProfileArg, p->aOp[p->nOp-1].p3, elapseTime);
  }
#endif

  sqlite3Error(p->db, rc, 0);
  p->rc = sqlite3ApiExit(p->db, p->rc);

  assert( (rc&0xff)==rc );







  return rc;
}


























/*
** Extract the user data from a sqlite3_context structure and return a
** pointer to it.
*/
void *sqlite3_user_data(sqlite3_context *p){
  assert( p && p->pFunc );







>

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304
    assert( p->aOp[p->nOp-1].p3type==P3_DYNAMIC );
    db->xProfile(db->pProfileArg, p->aOp[p->nOp-1].p3, elapseTime);
  }
#endif

  sqlite3Error(p->db, rc, 0);
  p->rc = sqlite3ApiExit(p->db, p->rc);
end_of_step:
  assert( (rc&0xff)==rc );
  if( p->zSql && (rc&0xff)<SQLITE_ROW ){
    /* This behavior occurs if sqlite3_prepare_v2() was used to build
    ** the prepared statement.  Return error codes directly */
    return p->rc;
  }else{
    /* This is for legacy sqlite3_prepare() builds and when the code
    ** is SQLITE_ROW or SQLITE_DONE */
    return rc;
  }
}

/*
** This is the top-level implementation of sqlite3_step().  Call
** sqlite3Step() to do most of the work.  If a schema error occurs,
** call sqlite3Reprepare() and try again.
*/
#ifdef SQLITE_OMIT_PARSER
int sqlite3_step(sqlite3_stmt *pStmt){
  return sqlite3Step((Vdbe*)pStmt);
}
#else
int sqlite3_step(sqlite3_stmt *pStmt){
  int cnt = 0;
  int rc;
  Vdbe *v = (Vdbe*)pStmt;
  while( (rc = sqlite3Step(v))==SQLITE_SCHEMA
         && cnt++ < 5
         && sqlite3Reprepare(v) ){
    sqlite3_reset(pStmt);
    v->expired = 0;
  }
  return rc;
}
#endif

/*
** Extract the user data from a sqlite3_context structure and return a
** pointer to it.
*/
void *sqlite3_user_data(sqlite3_context *p){
  assert( p && p->pFunc );
Changes to src/vdbeaux.c.
43
44
45
46
47
48
49
































50
51
52
53
54
55
56
  }
  p->pNext = db->pVdbe;
  p->pPrev = 0;
  db->pVdbe = p;
  p->magic = VDBE_MAGIC_INIT;
  return p;
}

































/*
** Turn tracing on or off
*/
void sqlite3VdbeTrace(Vdbe *p, FILE *trace){
  p->trace = trace;
}







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  }
  p->pNext = db->pVdbe;
  p->pPrev = 0;
  db->pVdbe = p;
  p->magic = VDBE_MAGIC_INIT;
  return p;
}

/*
** Remember the SQL string for a prepared statement.
*/
void sqlite3VdbeSetSql(Vdbe *p, const char *z, int n){
  if( p==0 ) return;
  assert( p->zSql==0 );
  p->zSql = sqlite3StrNDup(z, n);
}

/*
** Return the SQL associated with a prepared statement
*/
const char *sqlite3VdbeGetSql(Vdbe *p){
  return p->zSql;
}

/*
** Swap the set of Opcodes between to Vdbe structures.  No
** other parts of either Vdbe structure are changed.
*/
void sqlite3VdbeSwapOps(Vdbe *pA, Vdbe *pB){
  Op *aOp;
  int nOp;
  
  aOp = pA->aOp;
  nOp = pA->nOp;
  pA->aOp = pB->aOp;
  pA->nOp = pB->nOp;
  pB->aOp = aOp;
  pB->nOp = nOp;
}

/*
** Turn tracing on or off
*/
void sqlite3VdbeTrace(Vdbe *p, FILE *trace){
  p->trace = trace;
}
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    sqliteFree(p->aOp);
  }
  releaseMemArray(p->aVar, p->nVar);
  sqliteFree(p->aLabel);
  sqliteFree(p->aStack);
  releaseMemArray(p->aColName, p->nResColumn*COLNAME_N);
  sqliteFree(p->aColName);

  p->magic = VDBE_MAGIC_DEAD;
  sqliteFree(p);
}

/*
** If a MoveTo operation is pending on the given cursor, then do that
** MoveTo now.  Return an error code.  If no MoveTo is pending, this







>







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    sqliteFree(p->aOp);
  }
  releaseMemArray(p->aVar, p->nVar);
  sqliteFree(p->aLabel);
  sqliteFree(p->aStack);
  releaseMemArray(p->aColName, p->nResColumn*COLNAME_N);
  sqliteFree(p->aColName);
  sqliteFree(p->zSql);
  p->magic = VDBE_MAGIC_DEAD;
  sqliteFree(p);
}

/*
** If a MoveTo operation is pending on the given cursor, then do that
** MoveTo now.  Return an error code.  If no MoveTo is pending, this
Added test/capi3c.test.
























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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# 2006 November 08
#
# 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 implements regression tests for SQLite library.  
#
# This is a copy of the capi3.test file that has been adapted to
# test the new sqlite3_prepare_v2 interface.
#
# $Id: capi3c.test,v 1.1 2006/11/09 00:24:55 drh Exp $
#

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

# Return the UTF-16 representation of the supplied UTF-8 string $str.
# If $nt is true, append two 0x00 bytes as a nul terminator.
proc utf16 {str {nt 1}} {
  set r [encoding convertto unicode $str]
  if {$nt} {
    append r "\x00\x00"
  }
  return $r
}

# Return the UTF-8 representation of the supplied UTF-16 string $str. 
proc utf8 {str} {
  # If $str ends in two 0x00 0x00 bytes, knock these off before
  # converting to UTF-8 using TCL.
  binary scan $str \c* vals
  if {[lindex $vals end]==0 && [lindex $vals end-1]==0} {
    set str [binary format \c* [lrange $vals 0 end-2]]
  }

  set r [encoding convertfrom unicode $str]
  return $r
}

# These tests complement those in capi2.test. They are organized
# as follows:
#
# capi3-1.*: Test sqlite3_prepare_v2 
# capi3-2.*: Test sqlite3_prepare16_v2 
# capi3-3.*: Test sqlite3_open
# capi3-4.*: Test sqlite3_open16
# capi3-5.*: Test the various sqlite3_result_* APIs
# capi3-6.*: Test that sqlite3_close fails if there are outstanding VMs.
#

set DB [sqlite3_connection_pointer db]

do_test capi3-1.0 {
  sqlite3_get_autocommit $DB
} 1
do_test capi3-1.1 {
  set STMT [sqlite3_prepare_v2 $DB {SELECT name FROM sqlite_master} -1 TAIL]
  sqlite3_finalize $STMT
  set TAIL
} {}
do_test capi3-1.2 {
  sqlite3_errcode $DB
} {SQLITE_OK}
do_test capi3-1.3 {
  sqlite3_errmsg $DB
} {not an error}
do_test capi3-1.4 {
  set sql {SELECT name FROM sqlite_master;SELECT 10}
  set STMT [sqlite3_prepare_v2 $DB $sql -1 TAIL]
  sqlite3_finalize $STMT
  set TAIL
} {SELECT 10}
do_test capi3-1.5 {
  set sql {SELECT namex FROM sqlite_master}
  catch {
    set STMT [sqlite3_prepare_v2 $DB $sql -1 TAIL]
  }
} {1}
do_test capi3-1.6 {
  sqlite3_errcode $DB
} {SQLITE_ERROR}
do_test capi3-1.7 {
  sqlite3_errmsg $DB
} {no such column: namex}

ifcapable {utf16} {
  do_test capi3-2.1 {
    set sql16 [utf16 {SELECT name FROM sqlite_master}]
    set STMT [sqlite3_prepare16_v2  $DB $sql16 -1 ::TAIL]
    sqlite3_finalize $STMT
    utf8 $::TAIL
  } {}
  do_test capi3-2.2 {
    set sql [utf16 {SELECT name FROM sqlite_master;SELECT 10}]
    set STMT [sqlite3_prepare16_v2  $DB $sql -1 TAIL]
    sqlite3_finalize $STMT
    utf8 $TAIL
  } {SELECT 10}
  do_test capi3-2.3 {
    set sql [utf16 {SELECT namex FROM sqlite_master}]
    catch {
      set STMT [sqlite3_prepare16_v2  $DB $sql -1 TAIL]
    }
  } {1}
  do_test capi3-2.4 {
    sqlite3_errcode $DB
  } {SQLITE_ERROR}
  do_test capi3-2.5 {
    sqlite3_errmsg $DB
  } {no such column: namex}

  ifcapable schema_pragmas {
    do_test capi3-2.6 {
      execsql {CREATE TABLE tablename(x)}
      set sql16 [utf16 {PRAGMA table_info("TableName")}]
      set STMT [sqlite3_prepare16_v2  $DB $sql16 -1 TAIL]
      sqlite3_step $STMT
    } SQLITE_ROW
    do_test capi3-2.7 {
      sqlite3_step $STMT
    } SQLITE_DONE
    do_test capi3-2.8 {
      sqlite3_finalize $STMT
    } SQLITE_OK
  }

} ;# endif utf16

# rename sqlite3_open sqlite3_open_old
# proc sqlite3_open {fname options} {sqlite3_open_new $fname $options}

do_test capi3-3.1 {
  set db2 [sqlite3_open test.db {}]
  sqlite3_errcode $db2
} {SQLITE_OK}
# FIX ME: Should test the db handle works.
do_test capi3-3.2 {
  sqlite3_close $db2
} {SQLITE_OK}
do_test capi3-3.3 {
  catch {
    set db2 [sqlite3_open /bogus/path/test.db {}]
  }
  sqlite3_errcode $db2
} {SQLITE_CANTOPEN}
do_test capi3-3.4 {
  sqlite3_errmsg $db2
} {unable to open database file}
do_test capi3-3.5 {
  sqlite3_close $db2
} {SQLITE_OK}
do_test capi3-3.6.1 {
  sqlite3_close $db2
} {SQLITE_MISUSE}
do_test capi3-3.6.2 {
  sqlite3_errmsg $db2
} {library routine called out of sequence}
ifcapable {utf16} {
  do_test capi3-3.6.3 {
    utf8 [sqlite3_errmsg16 $db2]
  } {library routine called out of sequence}
}

# rename sqlite3_open ""
# rename sqlite3_open_old sqlite3_open

ifcapable {utf16} {
do_test capi3-4.1 {
  set db2 [sqlite3_open16 [utf16 test.db] {}]
  sqlite3_errcode $db2
} {SQLITE_OK}
# FIX ME: Should test the db handle works.
do_test capi3-4.2 {
  sqlite3_close $db2
} {SQLITE_OK}
do_test capi3-4.3 {
  catch {
    set db2 [sqlite3_open16 [utf16 /bogus/path/test.db] {}]
  }
  sqlite3_errcode $db2
} {SQLITE_CANTOPEN}
do_test capi3-4.4 {
  utf8 [sqlite3_errmsg16 $db2]
} {unable to open database file}
do_test capi3-4.5 {
  sqlite3_close $db2
} {SQLITE_OK}
} ;# utf16

# This proc is used to test the following API calls:
#
# sqlite3_column_count
# sqlite3_column_name
# sqlite3_column_name16
# sqlite3_column_decltype
# sqlite3_column_decltype16
#
# $STMT is a compiled SQL statement. $test is a prefix
# to use for test names within this proc. $names is a list
# of the column names that should be returned by $STMT.
# $decltypes is a list of column declaration types for $STMT.
#
# Example:
#
# set STMT [sqlite3_prepare_v2 "SELECT 1, 2, 2;" -1 DUMMY]
# check_header test1.1 {1 2 3} {"" "" ""}
#
proc check_header {STMT test names decltypes} {

  # Use the return value of sqlite3_column_count() to build
  # a list of column indexes. i.e. If sqlite3_column_count
  # is 3, build the list {0 1 2}.
  set ::idxlist [list]
  set ::numcols [sqlite3_column_count $STMT]
  for {set i 0} {$i < $::numcols} {incr i} {lappend ::idxlist $i}

  # Column names in UTF-8
  do_test $test.1 {
    set cnamelist [list]
    foreach i $idxlist {lappend cnamelist [sqlite3_column_name $STMT $i]} 
    set cnamelist
  } $names

  # Column names in UTF-16
  ifcapable {utf16} {
    do_test $test.2 {
      set cnamelist [list]
      foreach i $idxlist {
        lappend cnamelist [utf8 [sqlite3_column_name16 $STMT $i]]
      }
      set cnamelist
    } $names
  }

  # Column names in UTF-8
  do_test $test.3 {
    set cnamelist [list]
    foreach i $idxlist {lappend cnamelist [sqlite3_column_name $STMT $i]} 
    set cnamelist
  } $names

  # Column names in UTF-16
  ifcapable {utf16} {
    do_test $test.4 {
      set cnamelist [list]
      foreach i $idxlist {
        lappend cnamelist [utf8 [sqlite3_column_name16 $STMT $i]]
      }
      set cnamelist
    } $names
  }

  # Column names in UTF-8
  do_test $test.5 {
    set cnamelist [list]
    foreach i $idxlist {lappend cnamelist [sqlite3_column_decltype $STMT $i]} 
    set cnamelist
  } $decltypes

  # Column declaration types in UTF-16
  ifcapable {utf16} {
    do_test $test.6 {
      set cnamelist [list]
      foreach i $idxlist {
        lappend cnamelist [utf8 [sqlite3_column_decltype16 $STMT $i]]
      }
      set cnamelist
    } $decltypes
  }


  # Test some out of range conditions:
  ifcapable {utf16} {
    do_test $test.7 {
      list \
        [sqlite3_column_name $STMT -1] \
        [sqlite3_column_name16 $STMT -1] \
        [sqlite3_column_decltype $STMT -1] \
        [sqlite3_column_decltype16 $STMT -1] \
        [sqlite3_column_name $STMT $numcols] \
        [sqlite3_column_name16 $STMT $numcols] \
        [sqlite3_column_decltype $STMT $numcols] \
        [sqlite3_column_decltype16 $STMT $numcols]
    } {{} {} {} {} {} {} {} {}}
  }
} 

# This proc is used to test the following API calls:
#
# sqlite3_column_origin_name
# sqlite3_column_origin_name16
# sqlite3_column_table_name
# sqlite3_column_table_name16
# sqlite3_column_database_name
# sqlite3_column_database_name16
#
# $STMT is a compiled SQL statement. $test is a prefix
# to use for test names within this proc. $names is a list
# of the column names that should be returned by $STMT.
# $decltypes is a list of column declaration types for $STMT.
#
# Example:
#
# set STMT [sqlite3_prepare_v2 "SELECT 1, 2, 2;" -1 DUMMY]
# check_header test1.1 {1 2 3} {"" "" ""}
#
proc check_origin_header {STMT test dbs tables cols} {
  # If sqlite3_column_origin_name() and friends are not compiled into
  # this build, this proc is a no-op.
ifcapable columnmetadata {

    # Use the return value of sqlite3_column_count() to build
    # a list of column indexes. i.e. If sqlite3_column_count
    # is 3, build the list {0 1 2}.
    set ::idxlist [list]
    set ::numcols [sqlite3_column_count $STMT]
    for {set i 0} {$i < $::numcols} {incr i} {lappend ::idxlist $i}
  
    # Database names in UTF-8
    do_test $test.8 {
      set cnamelist [list]
      foreach i $idxlist {
        lappend cnamelist [sqlite3_column_database_name $STMT $i]
      } 
      set cnamelist
    } $dbs
  
    # Database names in UTF-16
    ifcapable {utf16} {
      do_test $test.9 {
        set cnamelist [list]
        foreach i $idxlist {
          lappend cnamelist [utf8 [sqlite3_column_database_name16 $STMT $i]]
        }
        set cnamelist
      } $dbs
    }
  
    # Table names in UTF-8
    do_test $test.10 {
      set cnamelist [list]
      foreach i $idxlist {
        lappend cnamelist [sqlite3_column_table_name $STMT $i]
      } 
      set cnamelist
    } $tables
  
    # Table names in UTF-16
    ifcapable {utf16} {
      do_test $test.11 {
        set cnamelist [list]
        foreach i $idxlist {
          lappend cnamelist [utf8 [sqlite3_column_table_name16 $STMT $i]]
        }
        set cnamelist
      } $tables
    }
  
    # Origin names in UTF-8
    do_test $test.12 {
      set cnamelist [list]
      foreach i $idxlist {
        lappend cnamelist [sqlite3_column_origin_name $STMT $i]
      } 
      set cnamelist
    } $cols
  
    # Origin declaration types in UTF-16
    ifcapable {utf16} {
      do_test $test.13 {
        set cnamelist [list]
        foreach i $idxlist {
          lappend cnamelist [utf8 [sqlite3_column_origin_name16 $STMT $i]]
        }
        set cnamelist
      } $cols
    }
  }
}

# This proc is used to test the following APIs:
#
# sqlite3_data_count
# sqlite3_column_type
# sqlite3_column_int
# sqlite3_column_text
# sqlite3_column_text16
# sqlite3_column_double
#
# $STMT is a compiled SQL statement for which the previous call 
# to sqlite3_step returned SQLITE_ROW. $test is a prefix to use 
# for test names within this proc. $types is a list of the 
# manifest types for the current row. $ints, $doubles and $strings
# are lists of the integer, real and string representations of
# the values in the current row.
#
# Example:
#
# set STMT [sqlite3_prepare_v2 "SELECT 'hello', 1.1, NULL" -1 DUMMY]
# sqlite3_step $STMT
# check_data test1.2 {TEXT REAL NULL} {0 1 0} {0 1.1 0} {hello 1.1 {}}
#
proc check_data {STMT test types ints doubles strings} {

  # Use the return value of sqlite3_column_count() to build
  # a list of column indexes. i.e. If sqlite3_column_count
  # is 3, build the list {0 1 2}.
  set ::idxlist [list]
  set numcols [sqlite3_data_count $STMT]
  for {set i 0} {$i < $numcols} {incr i} {lappend ::idxlist $i}

# types
do_test $test.1 {
  set types [list]
  foreach i $idxlist {lappend types [sqlite3_column_type $STMT $i]}
  set types
} $types

# Integers
do_test $test.2 {
  set ints [list]
  foreach i $idxlist {lappend ints [sqlite3_column_int64 $STMT $i]}
  set ints
} $ints

# bytes
set lens [list]
foreach i $::idxlist {
  lappend lens [string length [lindex $strings $i]]
}
do_test $test.3 {
  set bytes [list]
  set lens [list]
  foreach i $idxlist {
    lappend bytes [sqlite3_column_bytes $STMT $i]
  }
  set bytes
} $lens

# bytes16
ifcapable {utf16} {
  set lens [list]
  foreach i $::idxlist {
    lappend lens [expr 2 * [string length [lindex $strings $i]]]
  }
  do_test $test.4 {
    set bytes [list]
    set lens [list]
    foreach i $idxlist {
      lappend bytes [sqlite3_column_bytes16 $STMT $i]
    }
    set bytes
  } $lens
}

# Blob
do_test $test.5 {
  set utf8 [list]
  foreach i $idxlist {lappend utf8 [sqlite3_column_blob $STMT $i]}
  set utf8
} $strings

# UTF-8
do_test $test.6 {
  set utf8 [list]
  foreach i $idxlist {lappend utf8 [sqlite3_column_text $STMT $i]}
  set utf8
} $strings

# Floats
do_test $test.7 {
  set utf8 [list]
  foreach i $idxlist {lappend utf8 [sqlite3_column_double $STMT $i]}
  set utf8
} $doubles

# UTF-16
ifcapable {utf16} {
  do_test $test.8 {
    set utf8 [list]
    foreach i $idxlist {lappend utf8 [utf8 [sqlite3_column_text16 $STMT $i]]}
    set utf8
  } $strings
}

# Integers
do_test $test.9 {
  set ints [list]
  foreach i $idxlist {lappend ints [sqlite3_column_int $STMT $i]}
  set ints
} $ints

# Floats
do_test $test.10 {
  set utf8 [list]
  foreach i $idxlist {lappend utf8 [sqlite3_column_double $STMT $i]}
  set utf8
} $doubles

# UTF-8
do_test $test.11 {
  set utf8 [list]
  foreach i $idxlist {lappend utf8 [sqlite3_column_text $STMT $i]}
  set utf8
} $strings

# Types
do_test $test.12 {
  set types [list]
  foreach i $idxlist {lappend types [sqlite3_column_type $STMT $i]}
  set types
} $types

# Test that an out of range request returns the equivalent of NULL
do_test $test.13 {
  sqlite3_column_int $STMT -1
} {0}
do_test $test.13 {
  sqlite3_column_text $STMT -1
} {}

}

ifcapable !floatingpoint {
  finish_test
  return
}

do_test capi3-5.0 {
  execsql {
    CREATE TABLE t1(a VARINT, b BLOB, c VARCHAR(16));
    INSERT INTO t1 VALUES(1, 2, 3);
    INSERT INTO t1 VALUES('one', 'two', NULL);
    INSERT INTO t1 VALUES(1.2, 1.3, 1.4);
  }
  set sql "SELECT * FROM t1"
  set STMT [sqlite3_prepare_v2 $DB $sql -1 TAIL]
  sqlite3_column_count $STMT
} 3

check_header $STMT capi3-5.1 {a b c} {VARINT BLOB VARCHAR(16)}
check_origin_header $STMT capi3-5.1 {main main main} {t1 t1 t1} {a b c}
do_test capi3-5.2 {
  sqlite3_step $STMT
} SQLITE_ROW

check_header $STMT capi3-5.3 {a b c} {VARINT BLOB VARCHAR(16)}
check_origin_header $STMT capi3-5.3 {main main main} {t1 t1 t1} {a b c}
check_data $STMT capi3-5.4 {INTEGER INTEGER TEXT} {1 2 3} {1.0 2.0 3.0} {1 2 3}

do_test capi3-5.5 {
  sqlite3_step $STMT
} SQLITE_ROW

check_header $STMT capi3-5.6 {a b c} {VARINT BLOB VARCHAR(16)}
check_origin_header $STMT capi3-5.6 {main main main} {t1 t1 t1} {a b c}
check_data $STMT capi3-5.7 {TEXT TEXT NULL} {0 0 0} {0.0 0.0 0.0} {one two {}}

do_test capi3-5.8 {
  sqlite3_step $STMT
} SQLITE_ROW

check_header $STMT capi3-5.9 {a b c} {VARINT BLOB VARCHAR(16)}
check_origin_header $STMT capi3-5.9 {main main main} {t1 t1 t1} {a b c}
check_data $STMT capi3-5.10 {FLOAT FLOAT TEXT} {1 1 1} {1.2 1.3 1.4} {1.2 1.3 1.4}

do_test capi3-5.11 {
  sqlite3_step $STMT
} SQLITE_DONE

do_test capi3-5.12 {
  sqlite3_finalize $STMT
} SQLITE_OK

do_test capi3-5.20 {
  set sql "SELECT a, sum(b), max(c) FROM t1 GROUP BY a"
  set STMT [sqlite3_prepare_v2 $DB $sql -1 TAIL]
  sqlite3_column_count $STMT
} 3

check_header $STMT capi3-5.21 {a sum(b) max(c)} {VARINT {} {}}
check_origin_header $STMT capi3-5.22 {main {} {}} {t1 {} {}} {a {} {}}
do_test capi3-5.23 {
  sqlite3_finalize $STMT
} SQLITE_OK


set ::ENC [execsql {pragma encoding}]
db close

do_test capi3-6.0 {
btree_breakpoint
  sqlite3 db test.db
  set DB [sqlite3_connection_pointer db]
btree_breakpoint
  sqlite3_key $DB xyzzy
  set sql {SELECT a FROM t1 order by rowid}
  set STMT [sqlite3_prepare_v2 $DB $sql -1 TAIL]
  expr 0
} {0}
do_test capi3-6.1 {
  db cache flush
  sqlite3_close $DB
} {SQLITE_BUSY}
do_test capi3-6.2 {
  sqlite3_step $STMT
} {SQLITE_ROW}
check_data $STMT capi3-6.3 {INTEGER} {1} {1.0} {1}
do_test capi3-6.3 {
  sqlite3_finalize $STMT
} {SQLITE_OK}
do_test capi3-6.4 {
  db cache flush
  sqlite3_close $DB
} {SQLITE_OK}
db close

if {![sqlite3 -has-codec]} {
  # Test what happens when the library encounters a newer file format.
  # Do this by updating the file format via the btree layer.
  do_test capi3-7.1 {
    set ::bt [btree_open test.db 10 0]
    btree_begin_transaction $::bt
    set meta [btree_get_meta $::bt]
    lset meta 2 5
    eval [concat btree_update_meta $::bt [lrange $meta 0 end]]
    btree_commit $::bt
    btree_close $::bt
  } {}
  do_test capi3-7.2 {
    sqlite3 db test.db
    catchsql {
      SELECT * FROM sqlite_master;
    }
  } {1 {unsupported file format}}
  db close
}

if {![sqlite3 -has-codec]} {
  # Now test that the library correctly handles bogus entries in the
  # sqlite_master table (schema corruption).
  do_test capi3-8.1 {
    file delete -force test.db
    file delete -force test.db-journal
    sqlite3 db test.db
    execsql {
      CREATE TABLE t1(a);
    }
    db close
  } {}
  do_test capi3-8.2 {
    set ::bt [btree_open test.db 10 0]
    btree_begin_transaction $::bt
    set ::bc [btree_cursor $::bt 1 1]

    # Build a 5-field row record consisting of 5 null records. This is
    # officially black magic.
    catch {unset data}
    set data [binary format c6 {6 0 0 0 0 0}]
    btree_insert $::bc 5 $data

    btree_close_cursor $::bc
    btree_commit $::bt
    btree_close $::bt
  } {}
  do_test capi3-8.3 {
    sqlite3 db test.db
    catchsql {
      SELECT * FROM sqlite_master;
    }
  } {1 {malformed database schema}}
  do_test capi3-8.4 {
    set ::bt [btree_open test.db 10 0]
    btree_begin_transaction $::bt
    set ::bc [btree_cursor $::bt 1 1]
  
    # Build a 5-field row record. The first field is a string 'table', and
    # subsequent fields are all NULL. Replace the other broken record with
    # this one and try to read the schema again. The broken record uses
    # either UTF-8 or native UTF-16 (if this file is being run by
    # utf16.test).
    if { [string match UTF-16* $::ENC] } {
      set data [binary format c6a10 {6 33 0 0 0 0} [utf16 table]]
    } else {
      set data [binary format c6a5 {6 23 0 0 0 0} table]
    }
    btree_insert $::bc 5 $data
  
    btree_close_cursor $::bc
    btree_commit $::bt
    btree_close $::bt
  } {};
  do_test capi3-8.5 {
    db close 
    sqlite3 db test.db
    catchsql {
      SELECT * FROM sqlite_master;
    }
  } {1 {malformed database schema}}
  db close
}
file delete -force test.db
file delete -force test.db-journal


# Test the english language string equivalents for sqlite error codes
set code2english [list \
SQLITE_OK         {not an error} \
SQLITE_ERROR      {SQL logic error or missing database} \
SQLITE_PERM       {access permission denied} \
SQLITE_ABORT      {callback requested query abort} \
SQLITE_BUSY       {database is locked} \
SQLITE_LOCKED     {database table is locked} \
SQLITE_NOMEM      {out of memory} \
SQLITE_READONLY   {attempt to write a readonly database} \
SQLITE_INTERRUPT  {interrupted} \
SQLITE_IOERR      {disk I/O error} \
SQLITE_CORRUPT    {database disk image is malformed} \
SQLITE_FULL       {database or disk is full} \
SQLITE_CANTOPEN   {unable to open database file} \
SQLITE_PROTOCOL   {database locking protocol failure} \
SQLITE_EMPTY      {table contains no data} \
SQLITE_SCHEMA     {database schema has changed} \
SQLITE_CONSTRAINT {constraint failed} \
SQLITE_MISMATCH   {datatype mismatch} \
SQLITE_MISUSE     {library routine called out of sequence} \
SQLITE_NOLFS      {kernel lacks large file support} \
SQLITE_AUTH       {authorization denied} \
SQLITE_FORMAT     {auxiliary database format error} \
SQLITE_RANGE      {bind or column index out of range} \
SQLITE_NOTADB     {file is encrypted or is not a database} \
unknownerror      {unknown error} \
]

set test_number 1
foreach {code english} $code2english {
  do_test capi3-9.$test_number "sqlite3_test_errstr $code" $english
  incr test_number
}

# Test the error message when a "real" out of memory occurs.
if {[info command sqlite_malloc_stat]!=""} {
set sqlite_malloc_fail 1
do_test capi3-10-1 {
  sqlite3 db test.db
  set DB [sqlite3_connection_pointer db]
  sqlite_malloc_fail 1
  catchsql {
    select * from sqlite_master;
  }
} {1 {out of memory}}
do_test capi3-10-2 {
  sqlite3_errmsg $::DB
} {out of memory}
ifcapable {utf16} {
  do_test capi3-10-3 {
    utf8 [sqlite3_errmsg16 $::DB]
  } {out of memory}
}
db close
sqlite_malloc_fail 0
}

# The following tests - capi3-11.* - test that a COMMIT or ROLLBACK
# statement issued while there are still outstanding VMs that are part of
# the transaction fails.
sqlite3 db test.db
set DB [sqlite3_connection_pointer db]
sqlite_register_test_function $DB func
do_test capi3-11.1 {
  execsql {
    BEGIN;
    CREATE TABLE t1(a, b);
    INSERT INTO t1 VALUES(1, 'int');
    INSERT INTO t1 VALUES(2, 'notatype');
  }
} {}
do_test capi3-11.1.1 {
  sqlite3_get_autocommit $DB
} 0
do_test capi3-11.2 {
  set STMT [sqlite3_prepare_v2 $DB "SELECT func(b, a) FROM t1" -1 TAIL]
  sqlite3_step $STMT
} {SQLITE_ROW}
do_test capi3-11.3 {
  catchsql {
    COMMIT;
  }
} {1 {cannot commit transaction - SQL statements in progress}}
do_test capi3-11.3.1 {
  sqlite3_get_autocommit $DB
} 0
do_test capi3-11.4 {
  sqlite3_step $STMT
} {SQLITE_ERROR}
do_test capi3-11.5 {
  sqlite3_finalize $STMT
} {SQLITE_ERROR}
do_test capi3-11.6 {
  catchsql {
    SELECT * FROM t1;
  }
} {0 {1 int 2 notatype}}
do_test capi3-11.6.1 {
  sqlite3_get_autocommit $DB
} 0
do_test capi3-11.7 {
  catchsql {
    COMMIT;
  }
} {0 {}}
do_test capi3-11.7.1 {
  sqlite3_get_autocommit $DB
} 1
do_test capi3-11.8 {
  execsql {
    CREATE TABLE t2(a);
    INSERT INTO t2 VALUES(1);
    INSERT INTO t2 VALUES(2);
    BEGIN;
    INSERT INTO t2 VALUES(3);
  }
} {}
do_test capi3-11.8.1 {
  sqlite3_get_autocommit $DB
} 0
do_test capi3-11.9 {
  set STMT [sqlite3_prepare_v2 $DB "SELECT a FROM t2" -1 TAIL]
  sqlite3_step $STMT
} {SQLITE_ROW}
do_test capi3-11.9.1 {
  sqlite3_get_autocommit $DB
} 0
do_test capi3-11.9.2 {
  catchsql {
    ROLLBACK;
  }
} {1 {cannot rollback transaction - SQL statements in progress}}
do_test capi3-11.9.3 {
  sqlite3_get_autocommit $DB
} 0
do_test capi3-11.10 {
  sqlite3_step $STMT
} {SQLITE_ROW}
do_test capi3-11.11 {
  sqlite3_step $STMT
} {SQLITE_ROW}
do_test capi3-11.12 {
  sqlite3_step $STMT
} {SQLITE_DONE}
do_test capi3-11.13 {
  sqlite3_finalize $STMT
} {SQLITE_OK}
do_test capi3-11.14 {
  execsql {
    SELECT a FROM t2;
  }
} {1 2 3}
do_test capi3-11.14.1 {
  sqlite3_get_autocommit $DB
} 0
do_test capi3-11.15 {
  catchsql {
    ROLLBACK;
  }
} {0 {}}
do_test capi3-11.15.1 {
  sqlite3_get_autocommit $DB
} 1
do_test capi3-11.16 {
  execsql {
    SELECT a FROM t2;
  }
} {1 2}

# Sanity check on the definition of 'outstanding VM'. This means any VM
# that has had sqlite3_step() called more recently than sqlite3_finalize() or
# sqlite3_reset(). So a VM that has just been prepared or reset does not
# count as an active VM.
do_test capi3-11.17 {
  execsql {
    BEGIN;
  }
} {}
do_test capi3-11.18 {
  set STMT [sqlite3_prepare_v2 $DB "SELECT a FROM t1" -1 TAIL]
  catchsql {
    COMMIT;
  }
} {0 {}}
do_test capi3-11.19 {
  sqlite3_step $STMT
} {SQLITE_ROW}
do_test capi3-11.20 {
  catchsql {
    BEGIN;
    COMMIT;
  }
} {1 {cannot commit transaction - SQL statements in progress}}
do_test capi3-11.20 {
  sqlite3_reset $STMT
  catchsql {
    COMMIT;
  }
} {0 {}}
do_test capi3-11.21 {
  sqlite3_finalize $STMT
} {SQLITE_OK}

# The following tests - capi3-12.* - check that it's Ok to start a
# transaction while other VMs are active, and that it's Ok to execute
# atomic updates in the same situation 
#
do_test capi3-12.1 {
  set STMT [sqlite3_prepare_v2 $DB "SELECT a FROM t2" -1 TAIL]
  sqlite3_step $STMT
} {SQLITE_ROW}
do_test capi3-12.2 {
  catchsql {
    INSERT INTO t1 VALUES(3, NULL);
  }
} {0 {}}
do_test capi3-12.3 {
  catchsql {
    INSERT INTO t2 VALUES(4);
  }
} {0 {}}
do_test capi3-12.4 {
  catchsql {
    BEGIN;
    INSERT INTO t1 VALUES(4, NULL);
  }
} {0 {}}
do_test capi3-12.5 {
  sqlite3_step $STMT
} {SQLITE_ROW}
do_test capi3-12.5.1 {
  sqlite3_step $STMT
} {SQLITE_ROW}
do_test capi3-12.6 {
  sqlite3_step $STMT
} {SQLITE_DONE}
do_test capi3-12.7 {
  sqlite3_finalize $STMT
} {SQLITE_OK}
do_test capi3-12.8 {
  execsql {
    COMMIT;
    SELECT a FROM t1;
  }
} {1 2 3 4}

# Test cases capi3-13.* test the sqlite3_clear_bindings() and 
# sqlite3_sleep APIs.
#
if {[llength [info commands sqlite3_clear_bindings]]>0} {
  do_test capi3-13.1 {
    execsql {
      DELETE FROM t1;
    }
    set STMT [sqlite3_prepare_v2 $DB "INSERT INTO t1 VALUES(?, ?)" -1 TAIL]
    sqlite3_step $STMT
  } {SQLITE_DONE}
  do_test capi3-13.2 {
    sqlite3_reset $STMT
    sqlite3_bind_text $STMT 1 hello 5
    sqlite3_bind_text $STMT 2 world 5
    sqlite3_step $STMT
  } {SQLITE_DONE}
  do_test capi3-13.3 {
    sqlite3_reset $STMT
    sqlite3_clear_bindings $STMT
    sqlite3_step $STMT
  } {SQLITE_DONE}
  do_test capi3-13-4 {
    sqlite3_finalize $STMT
    execsql {
      SELECT * FROM t1;
    }
  } {{} {} hello world {} {}}
}
if {[llength [info commands sqlite3_sleep]]>0} {
  do_test capi3-13-5 {
    set ms [sqlite3_sleep 80]
    expr {$ms==80 || $ms==1000}
  } {1}
}

# Ticket #1219:  Make sure binding APIs can handle a NULL pointer.
#
do_test capi3-14.1 {
  set rc [catch {sqlite3_bind_text 0 1 hello 5} msg]
  lappend rc $msg
} {1 SQLITE_MISUSE}

# Ticket #1650:  Honor the nBytes parameter to sqlite3_prepare.
#
do_test capi3-15.1 {
  set sql {SELECT * FROM t2}
  set nbytes [string length $sql]
  append sql { WHERE a==1}
  set STMT [sqlite3_prepare_v2 $DB $sql $nbytes TAIL]
  sqlite3_step $STMT
  sqlite3_column_int $STMT 0
} {1}
do_test capi3-15.2 {
  sqlite3_step $STMT
  sqlite3_column_int $STMT 0
} {2}
do_test capi3-15.3 {
  sqlite3_finalize $STMT
} {SQLITE_OK}

# Make sure code is always generated even if an IF EXISTS or 
# IF NOT EXISTS clause is present that the table does not or
# does exists.  That way we will always have a prepared statement
# to expire when the schema changes.
#
do_test capi3-16.1 {
  set sql {DROP TABLE IF EXISTS t3}
  set STMT [sqlite3_prepare_v2 $DB $sql -1 TAIL]
  sqlite3_finalize $STMT
  expr {$STMT!=""}
} {1}
do_test capi3-16.2 {
  set sql {CREATE TABLE IF NOT EXISTS t1(x,y)}
  set STMT [sqlite3_prepare_v2 $DB $sql -1 TAIL]
  sqlite3_finalize $STMT
  expr {$STMT!=""}
} {1}

# But still we do not generate code if there is no SQL
#
do_test capi3-16.3 {
  set STMT [sqlite3_prepare_v2 $DB {} -1 TAIL]
  sqlite3_finalize $STMT
  expr {$STMT==""}
} {1}
do_test capi3-16.4 {
  set STMT [sqlite3_prepare_v2 $DB {;} -1 TAIL]
  sqlite3_finalize $STMT
  expr {$STMT==""}
} {1}



finish_test
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#
#    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 runs all tests.
#
# $Id: quick.test,v 1.45 2006/06/23 08:05:38 danielk1977 Exp $

proc lshift {lvar} {
  upvar $lvar l
  set ret [lindex $l 0]
  set l [lrange $l 1 end]
  return $ret
}








|







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#
#    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 runs all tests.
#
# $Id: quick.test,v 1.46 2006/11/09 00:24:55 drh Exp $

proc lshift {lvar} {
  upvar $lvar l
  set ret [lindex $l 0]
  set l [lrange $l 1 end]
  return $ret
}
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}

if {[sqlite3 -has-codec]} {
  # lappend EXCLUDE \
  #  conflict.test
}








foreach testfile [lsort -dictionary [glob $testdir/*.test]] {
  set tail [file tail $testfile]
  if {[lsearch -exact $EXCLUDE $tail]>=0} continue

  source $testfile
  catch {db close}
  if {$sqlite_open_file_count>0} {
    puts "$tail did not close all files: $sqlite_open_file_count"
    incr nErr
    lappend ::failList $tail
  }
}
source $testdir/misuse.test

set sqlite_open_file_count 0
really_finish_test







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}

if {[sqlite3 -has-codec]} {
  # lappend EXCLUDE \
  #  conflict.test
}


# Files to include in the test.  If this list is empty then everything
# that is not in the EXCLUDE list is run.
#
set INCLUDE {
}

foreach testfile [lsort -dictionary [glob $testdir/*.test]] {
  set tail [file tail $testfile]
  if {[lsearch -exact $EXCLUDE $tail]>=0} continue
  if {[llength $INCLUDE]>0 && [lsearch -exact $INCLUDE $tail]<0} continue
  source $testfile
  catch {db close}
  if {$sqlite_open_file_count>0} {
    puts "$tail did not close all files: $sqlite_open_file_count"
    incr nErr
    lappend ::failList $tail
  }
}
source $testdir/misuse.test

set sqlite_open_file_count 0
really_finish_test
Added test/schema2.test.




























































































































































































































































































































































































































































































































































































































































































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# 2006 November 08
#
# 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 implements regression tests for SQLite library.
#
# This file tests the various conditions under which an SQLITE_SCHEMA
# error should be returned.  This is a copy of schema.test that
# has been altered to use sqlite3_prepare_v2 instead of sqlite3_prepare
#
# $Id: schema2.test,v 1.1 2006/11/09 00:24:55 drh Exp $

#---------------------------------------------------------------------
# When any of the following types of SQL statements or actions are 
# executed, all pre-compiled statements are invalidated. An attempt
# to execute an invalidated statement always returns SQLITE_SCHEMA.
#
# CREATE/DROP TABLE...................................schema2-1.*
# CREATE/DROP VIEW....................................schema2-2.*
# CREATE/DROP TRIGGER.................................schema2-3.*
# CREATE/DROP INDEX...................................schema2-4.*
# DETACH..............................................schema2-5.*
# Deleting a user-function............................schema2-6.*
# Deleting a collation sequence.......................schema2-7.*
# Setting or changing the authorization function......schema2-8.*
#
# Test cases schema2-9.* and schema2-10.* test some specific bugs
# that came up during development.
#
# Test cases schema2-11.* test that it is impossible to delete or
# change a collation sequence or user-function while SQL statements
# are executing. Adding new collations or functions is allowed.
#

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

do_test schema2-1.1 {
  set ::STMT [sqlite3_prepare_v2 $::DB {SELECT * FROM sqlite_master} -1 TAIL]
  execsql {
    CREATE TABLE abc(a, b, c);
  }
  sqlite3_step $::STMT
} {SQLITE_ROW}
do_test schema2-1.2 {
  sqlite3_finalize $::STMT
} {SQLITE_OK}
do_test schema2-1.3 {
  set ::STMT [sqlite3_prepare_v2 $::DB {SELECT * FROM sqlite_master} -1 TAIL]
  execsql {
    DROP TABLE abc;
  }
  sqlite3_step $::STMT
} {SQLITE_DONE}
do_test schema2-1.4 {
  sqlite3_finalize $::STMT
} {SQLITE_OK}


ifcapable view {
  do_test schema2-2.1 {
    set ::STMT [sqlite3_prepare_v2 $::DB {SELECT * FROM sqlite_master} -1 TAIL]
    execsql {
      CREATE VIEW v1 AS SELECT * FROM sqlite_master;
    }
    sqlite3_step $::STMT
  } {SQLITE_ROW}
  do_test schema2-2.2 {
    sqlite3_finalize $::STMT
  } {SQLITE_OK}
  do_test schema2-2.3 {
    set ::STMT [sqlite3_prepare_v2 $::DB {SELECT * FROM sqlite_master} -1 TAIL]
    execsql {
      DROP VIEW v1;
    }
    sqlite3_step $::STMT
  } {SQLITE_DONE}
  do_test schema2-2.4 {
    sqlite3_finalize $::STMT
  } {SQLITE_OK}
}

ifcapable trigger {
  do_test schema2-3.1 {
    execsql {
      CREATE TABLE abc(a, b, c);
    }
    set ::STMT [sqlite3_prepare_v2 $::DB {SELECT * FROM sqlite_master} -1 TAIL]
    execsql {
      CREATE TRIGGER abc_trig AFTER INSERT ON abc BEGIN
        SELECT 1, 2, 3;
      END;
    }
    sqlite3_step $::STMT
  } {SQLITE_ROW}
  do_test schema2-3.2 {
    sqlite3_finalize $::STMT
  } {SQLITE_OK}
  do_test schema2-3.3 {
    set ::STMT [sqlite3_prepare_v2 $::DB {SELECT * FROM sqlite_master} -1 TAIL]
    execsql {
      DROP TRIGGER abc_trig;
    }
    sqlite3_step $::STMT
  } {SQLITE_ROW}
  do_test schema2-3.4 {
    sqlite3_finalize $::STMT
  } {SQLITE_OK}
}

do_test schema2-4.1 {
  catchsql {
    CREATE TABLE abc(a, b, c);
  }
  set ::STMT [sqlite3_prepare_v2 $::DB {SELECT * FROM sqlite_master} -1 TAIL]
  execsql {
    CREATE INDEX abc_index ON abc(a);
  }
  sqlite3_step $::STMT
} {SQLITE_ROW}
do_test schema2-4.2 {
  sqlite3_finalize $::STMT
} {SQLITE_OK}
do_test schema2-4.3 {
  set ::STMT [sqlite3_prepare_v2 $::DB {SELECT * FROM sqlite_master} -1 TAIL]
  execsql {
    DROP INDEX abc_index;
  }
  sqlite3_step $::STMT
} {SQLITE_ROW}
do_test schema2-4.4 {
  sqlite3_finalize $::STMT
} {SQLITE_OK}

#---------------------------------------------------------------------
# Tests 5.1 to 5.4 check that prepared statements are invalidated when
# a database is DETACHed (but not when one is ATTACHed).
#
do_test schema2-5.1 {
  set sql {SELECT * FROM abc;}
  set ::STMT [sqlite3_prepare_v2 $::DB $sql -1 TAIL]
  execsql {
    ATTACH 'test2.db' AS aux;
  }
  sqlite3_step $::STMT
} {SQLITE_DONE}
do_test schema2-5.2 {
  sqlite3_reset $::STMT
} {SQLITE_OK}
do_test schema2-5.3 {
  execsql {
    DETACH aux;
  }
  sqlite3_step $::STMT
} {SQLITE_DONE}
do_test schema2-5.4 {
  sqlite3_finalize $::STMT
} {SQLITE_OK}

#---------------------------------------------------------------------
# Tests 6.* check that prepared statements are invalidated when
# a user-function is deleted (but not when one is added).
do_test schema2-6.1 {
  set sql {SELECT * FROM abc;}
  set ::STMT [sqlite3_prepare_v2 $::DB $sql -1 TAIL]
  db function hello_function {}
  sqlite3_step $::STMT
} {SQLITE_DONE}
do_test schema2-6.2 {
  sqlite3_reset $::STMT
} {SQLITE_OK}
do_test schema2-6.3 {
  sqlite_delete_function $::DB hello_function
  sqlite3_step $::STMT
} {SQLITE_DONE}
do_test schema2-6.4 {
  sqlite3_finalize $::STMT
} {SQLITE_OK}

#---------------------------------------------------------------------
# Tests 7.* check that prepared statements are invalidated when
# a collation sequence is deleted (but not when one is added).
#
ifcapable utf16 {
  do_test schema2-7.1 {
    set sql {SELECT * FROM abc;}
    set ::STMT [sqlite3_prepare_v2 $::DB $sql -1 TAIL]
    add_test_collate $::DB 1 1 1
    sqlite3_step $::STMT
  } {SQLITE_DONE}
  do_test schema2-7.2 {
    sqlite3_reset $::STMT
  } {SQLITE_OK}
  do_test schema2-7.3 {
    add_test_collate $::DB 0 0 0 
    sqlite3_step $::STMT
  } {SQLITE_DONE}
  do_test schema2-7.4 {
    sqlite3_finalize $::STMT
  } {SQLITE_OK}
}

#---------------------------------------------------------------------
# Tests 8.1 and 8.2 check that prepared statements are invalidated when
# the authorization function is set.
#
ifcapable auth {
  do_test schema2-8.1 {
    set ::STMT [sqlite3_prepare_v2 $::DB {SELECT * FROM sqlite_master} -1 TAIL]
    db auth {}
    sqlite3_step $::STMT
  } {SQLITE_ROW}
  do_test schema2-8.3 {
    sqlite3_finalize $::STMT
  } {SQLITE_OK}
}

#---------------------------------------------------------------------
# schema2-9.1: Test that if a table is dropped by one database connection, 
#             other database connections are aware of the schema change.
# schema2-9.2: Test that if a view is dropped by one database connection,
#             other database connections are aware of the schema change.
#
do_test schema2-9.1 {
  sqlite3 db2 test.db
  execsql {
    DROP TABLE abc;
  } db2
  db2 close
  catchsql {
    SELECT * FROM abc;
  }
} {1 {no such table: abc}}
execsql {
  CREATE TABLE abc(a, b, c);
}
ifcapable view {
  do_test schema2-9.2 {
    execsql {
      CREATE VIEW abcview AS SELECT * FROM abc;
    }
    sqlite3 db2 test.db
    execsql {
      DROP VIEW abcview;
    } db2
    db2 close
    catchsql {
      SELECT * FROM abcview;
    }
  } {1 {no such table: abcview}}
}

#---------------------------------------------------------------------
# Test that if a CREATE TABLE statement fails because there are other
# btree cursors open on the same database file it does not corrupt
# the sqlite_master table.
#
do_test schema2-10.1 {
  execsql {
    INSERT INTO abc VALUES(1, 2, 3);
  }
  set sql {SELECT * FROM abc}
  set ::STMT [sqlite3_prepare_v2 $::DB $sql -1 TAIL]
  sqlite3_step $::STMT
} {SQLITE_ROW}
do_test schema2-10.2 {
  catchsql {
    CREATE TABLE t2(a, b, c);
  }
} {1 {database table is locked}}
do_test schema2-10.3 {
  sqlite3_finalize $::STMT
} {SQLITE_OK}
do_test schema2-10.4 {
  sqlite3 db2 test.db
  execsql {
    SELECT * FROM abc
  } db2
} {1 2 3}
do_test schema2-10.5 {
  db2 close
} {}

#---------------------------------------------------------------------
# Attempting to delete or replace a user-function or collation sequence 
# while there are active statements returns an SQLITE_BUSY error.
#
# schema2-11.1 - 11.4: User function.
# schema2-11.5 - 11.8: Collation sequence.
#
do_test schema2-11.1 {
  db function tstfunc {}
  set sql {SELECT * FROM abc}
  set ::STMT [sqlite3_prepare_v2 $::DB $sql -1 TAIL]
  sqlite3_step $::STMT
} {SQLITE_ROW}
do_test schema2-11.2 {
  sqlite_delete_function $::DB tstfunc
} {SQLITE_BUSY}
do_test schema2-11.3 {
  set rc [catch {
    db function tstfunc {}
  } msg]
  list $rc $msg
} {1 {Unable to delete/modify user-function due to active statements}}
do_test schema2-11.4 {
  sqlite3_finalize $::STMT
} {SQLITE_OK}
do_test schema2-11.5 {
  db collate tstcollate {}
  set sql {SELECT * FROM abc}
  set ::STMT [sqlite3_prepare_v2 $::DB $sql -1 TAIL]
  sqlite3_step $::STMT
} {SQLITE_ROW}
do_test schema2-11.6 {
  sqlite_delete_collation $::DB tstcollate
} {SQLITE_BUSY}
do_test schema2-11.7 {
  set rc [catch {
    db collate tstcollate {}
  } msg]
  list $rc $msg
} {1 {Unable to delete/modify collation sequence due to active statements}}
do_test schema2-11.8 {
  sqlite3_finalize $::STMT
} {SQLITE_OK}

finish_test