SQLite

/*
** 2003 April 6
**
** 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 contains code used to implement the ATTACH and DETACH commands.
**
** $Id: attach.c,v 1.56 2007/03/27 14:44:51 drh Exp $
*/
#include "sqliteInt.h"

#ifndef SQLITE_OMIT_ATTACH
/*
** Resolve an expression that was part of an ATTACH or DETACH statement. This
** is slightly different from resolving a normal SQL expression, because simple
** identifiers are treated as strings, not possible column names or aliases.
**
** i.e. if the parser sees:
**

** Called by the parser to compile an ATTACH statement.
**
**     ATTACH p AS pDbname KEY pKey
*/
void sqlite3Attach(Parse *pParse, Expr *p, Expr *pDbname, Expr *pKey){
  codeAttach(pParse, SQLITE_ATTACH, "sqlite_attach", 3, p, p, pDbname, pKey);
}
#endif /* SQLITE_OMIT_ATTACH */

/*
** Register the functions sqlite_attach and sqlite_detach.
*/
void sqlite3AttachFunctions(sqlite3 *db){
#ifndef SQLITE_OMIT_ATTACH
  static const int enc = SQLITE_UTF8;
  sqlite3CreateFunc(db, "sqlite_attach", 3, enc, db, attachFunc, 0, 0);
  sqlite3CreateFunc(db, "sqlite_detach", 1, enc, db, detachFunc, 0, 0);
#endif
}

/*
** Initialize a DbFixer structure.  This routine must be called prior
** to passing the structure to one of the sqliteFixAAAA() routines below.
**
** The return value indicates whether or not fixation is required.  TRUE

**
*************************************************************************
** This file contains SQLite's grammar for SQL.  Process this file
** using the lemon parser generator to generate C code that runs
** the parser.  Lemon will also generate a header file containing
** numeric codes for all of the tokens.
**
** @(#) $Id: parse.y,v 1.216 2007/03/27 14:44:51 drh Exp $
*/

// All token codes are small integers with #defines that begin with "TK_"
%token_prefix TK_

// The type of the data attached to each token is Token.  This is also the
// default type for non-terminals.

///////////////////////////// The DROP INDEX command /////////////////////////
//
cmd ::= DROP INDEX ifexists(E) fullname(X).   {sqlite3DropIndex(pParse, X, E);}

///////////////////////////// The VACUUM command /////////////////////////////
//
%ifndef SQLITE_OMIT_VACUUM
%ifndef SQLITE_OMIT_ATTACH
cmd ::= VACUUM.                {sqlite3Vacuum(pParse);}
cmd ::= VACUUM nm.             {sqlite3Vacuum(pParse);}
%endif  SQLITE_OMIT_ATTACH
%endif  SQLITE_OMIT_VACUUM

///////////////////////////// The PRAGMA command /////////////////////////////
//
%ifndef SQLITE_OMIT_PRAGMA
cmd ::= PRAGMA nm(X) dbnm(Z) EQ nmnum(Y).  {sqlite3Pragma(pParse,&X,&Z,&Y,0);}
cmd ::= PRAGMA nm(X) dbnm(Z) EQ ON(Y).  {sqlite3Pragma(pParse,&X,&Z,&Y,0);}

%ifndef SQLITE_OMIT_TRIGGER
cmd ::= DROP TRIGGER ifexists(NOERR) fullname(X). {
  sqlite3DropTrigger(pParse,X,NOERR);
}
%endif  !SQLITE_OMIT_TRIGGER

//////////////////////// ATTACH DATABASE file AS name /////////////////////////
%ifndef SQLITE_OMIT_ATTACH
cmd ::= ATTACH database_kw_opt expr(F) AS expr(D) key_opt(K). {
  sqlite3Attach(pParse, F, D, K);
}
cmd ::= DETACH database_kw_opt expr(D). {
  sqlite3Detach(pParse, D);
}

%type key_opt {Expr *}
%destructor key_opt {sqlite3ExprDelete($$);}
key_opt(A) ::= .                     { A = 0; }
key_opt(A) ::= KEY expr(X).          { A = X; }

database_kw_opt ::= DATABASE.
database_kw_opt ::= .
%endif SQLITE_OMIT_ATTACH





////////////////////////// REINDEX collation //////////////////////////////////
%ifndef SQLITE_OMIT_REINDEX
cmd ::= REINDEX.                {sqlite3Reindex(pParse, 0, 0);}
cmd ::= REINDEX nm(X) dbnm(Y).  {sqlite3Reindex(pParse, &X, &Y);}
%endif  SQLITE_OMIT_REINDEX

**    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 1.231 2007/03/27 14:44:51 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include "os.h"
#include <stdlib.h>
#include <string.h>

#endif

#ifdef SQLITE_OMIT_ANALYZE
  Tcl_SetVar2(interp, "sqlite_options", "analyze", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "analyze", "1", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_OMIT_ATTACH
  Tcl_SetVar2(interp, "sqlite_options", "attach", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "attach", "1", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_OMIT_AUTHORIZATION
  Tcl_SetVar2(interp, "sqlite_options", "auth", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "auth", "1", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_OMIT_UTF16
  Tcl_SetVar2(interp, "sqlite_options", "utf16", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "utf16", "1", TCL_GLOBAL_ONLY);
#endif

#if defined(SQLITE_OMIT_VACUUM) || defined(SQLITE_OMIT_ATTACH)
  Tcl_SetVar2(interp, "sqlite_options", "vacuum", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "vacuum", "1", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_OMIT_VIEW
  Tcl_SetVar2(interp, "sqlite_options", "view", "0", TCL_GLOBAL_ONLY);

**
*************************************************************************
** This file contains code used to implement the VACUUM command.
**
** Most of the code in this file may be omitted by defining the
** SQLITE_OMIT_VACUUM macro.
**
** $Id: vacuum.c,v 1.68 2007/03/27 14:44:51 drh Exp $
*/
#include "sqliteInt.h"
#include "vdbeInt.h"
#include "os.h"

#if !defined(SQLITE_OMIT_VACUUM) && !defined(SQLITE_OMIT_ATTACH)
/*
** Execute zSql on database db. Return an error code.
*/
static int execSql(sqlite3 *db, const char *zSql){
  sqlite3_stmt *pStmt;
  if( SQLITE_OK!=sqlite3_prepare(db, zSql, -1, &pStmt, 0) ){
    return sqlite3_errcode(db);

  strcat(zTemp, "-journal");
  sqlite3OsDelete(zTemp);
  sqliteFree( zSql );
  sqlite3ResetInternalSchema(db, 0);

  return rc;
}
#endif  /* SQLITE_OMIT_VACUUM && SQLITE_OMIT_ATTACH */

**
** Various scripts scan this source file in order to generate HTML
** documentation, headers files, or other derived files.  The formatting
** of the code in this file is, therefore, important.  See other comments
** in this file for details.  If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.594 2007/03/27 14:44:51 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include "vdbeInt.h"

/*

  if( rc==SQLITE_ERROR ){
    sqlite3SetString(&p->zErrMsg, sqlite3_value_text(pMem), (char*)0);
  }
  break;
}


#if !defined(SQLITE_OMIT_VACUUM) && !defined(SQLITE_OMIT_ATTACH)
/* Opcode: Vacuum * * *
**
** Vacuum the entire database.  This opcode will cause other virtual
** machines to be created and run.  It may not be called from within
** a transaction.
*/
case OP_Vacuum: {        /* no-push */

** A header comment placed at the beginning of generated code.
*/
static const char zHdr[] = 
  "/***** This file contains automatically generated code ******\n"
  "**\n"
  "** The code in this file has been automatically generated by\n"
  "**\n"
  "**     $Header: /home/drh/sqlite/trans/cvs/sqlite/sqlite/tool/mkkeywordhash.c,v 1.26 2007/03/27 14:44:52 drh Exp $\n"
  "**\n"
  "** The code in this file implements a function that determines whether\n"
  "** or not a given identifier is really an SQL keyword.  The same thing\n"
  "** might be implemented more directly using a hand-written hash table.\n"
  "** But by using this automatically generated code, the size of the code\n"
  "** is substantially reduced.  This is important for embedded applications\n"
  "** on platforms with limited memory.\n"

#  define SUBQUERY   0x00001000
#endif
#ifdef SQLITE_OMIT_TRIGGER
#  define TRIGGER    0
#else
#  define TRIGGER    0x00002000
#endif
#if defined(SQLITE_OMIT_VACUUM) || defined(SQLITE_OMIT_ATTACH)
#  define VACUUM     0
#else
#  define VACUUM     0x00004000
#endif
#ifdef SQLITE_OMIT_VIEW
#  define VIEW       0
#else