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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)
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1:f1efae9224170c9155afcf17ab3ee769a557b874
User & Date: drh 2006-11-09 00:24:54
Context
2006-11-09
15:18
Update the documentation to talk about the new sqlite3_prepare_v2() API. (CVS 3507) check-in: d9e14b61 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: f1efae92 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: f39978ef user: drh tags: trunk
Changes
Hide Diffs Unified Diffs 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
................................................................................
  }
  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 */
................................................................................
  }
  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);
................................................................................
      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);
................................................................................
  }

  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.
  */
................................................................................
  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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**    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
................................................................................
  }
  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 */
................................................................................
  }
  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);
................................................................................
      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);
................................................................................
  }

  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.
  */
................................................................................
  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++.
................................................................................
  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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**    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++.
................................................................................
  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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**    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
*/
................................................................................
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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**    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
*/
................................................................................
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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18
19
20
21
22
23
....
2485
2486
2487
2488
2489
2490
2491
2492





















































2493
2494
2495
2496
2497
2498
2499
....
2523
2524
2525
2526
2527
2528
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2530
2531
2532
2533
2534
2535
2536
....
3879
3880
3881
3882
3883
3884
3885


3886
3887
3888
3889
3890
3891
3892
**    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>

................................................................................
    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(
................................................................................
  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);
................................................................................
     { "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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9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
....
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
....
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
....
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
**    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>

................................................................................
    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(
................................................................................
  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);
................................................................................
     { "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.

11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
...
131
132
133
134
135
136
137



138
139
140
141
142
143
144
145
146
*************************************************************************
** 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
................................................................................
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







|







 







>
>
>









11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
...
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
*************************************************************************
** 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
................................................................................
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.

324
325
326
327
328
329
330


331
332
333
334
335
336
337
  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
};

/*







>
>







324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
  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.

149
150
151
152
153
154
155





156
157
158

159
160
161
162
163
164
165
...
168
169
170
171
172
173
174
175

176
177
178
179
180
181
182
...
250
251
252
253
254
255
256

257







258
259

























260
261
262
263
264
265
266
  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 ){
................................................................................
  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 ){
................................................................................
    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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149
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151
152
153
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156
157
158
159
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161


162
163
164
165
166
167
168
169
...
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
...
255
256
257
258
259
260
261
262
263
264
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266
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284
285
286
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289
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292
293
294
295
296
297
298
299
300
301
302
303
304
  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 ){
................................................................................
  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 ){
................................................................................
    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
....
1570
1571
1572
1573
1574
1575
1576

1577
1578
1579
1580
1581
1582
1583
  }
  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;
}
................................................................................
    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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>







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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;
}
................................................................................
    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
}
................................................................................
}

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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#    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
}
................................................................................
}

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

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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