SQLite

**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that used to generate VDBE code
** that implements the ALTER TABLE command.
**
** $Id: alter.c,v 1.24 2007/05/15 03:56:49 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** The code in this file only exists if we are not omitting the
** ALTER TABLE logic from the build.

  Token *pName              /* The new table name. */
){
  int iDb;                  /* Database that contains the table */
  char *zDb;                /* Name of database iDb */
  Table *pTab;              /* Table being renamed */
  char *zName = 0;          /* NULL-terminated version of pName */ 
  sqlite3 *db = pParse->db; /* Database connection */
  int i;                    /* Loop counter */
  int nTabName;             /* Number of UTF-8 characters in zTabName */
  const char *zTabName;     /* Original name of the table */
  Vdbe *v;
#ifndef SQLITE_OMIT_TRIGGER
  char *zWhere = 0;         /* Where clause to locate temp triggers */
#endif
  
  if( sqlite3MallocFailed() ) goto exit_rename_table;
  assert( pSrc->nSrc==1 );

  */
  v = sqlite3GetVdbe(pParse);
  if( v==0 ){
    goto exit_rename_table;
  }
  sqlite3BeginWriteOperation(pParse, 0, iDb);
  sqlite3ChangeCookie(db, v, iDb);

  /* figure out how many UTF-8 characters are in zName */
  zTabName = pTab->zName;
  for(i=nTabName=0; zTabName[i]; i++){
    if( (zTabName[i]&0xc0)!=0x80 ) nTabName++;
  }

  /* Modify the sqlite_master table to use the new table name. */
  sqlite3NestedParse(pParse,
      "UPDATE %Q.%s SET "
#ifdef SQLITE_OMIT_TRIGGER
          "sql = sqlite_rename_table(sql, %Q), "
#else
          "sql = CASE "
            "WHEN type = 'trigger' THEN sqlite_rename_trigger(sql, %Q)"
            "ELSE sqlite_rename_table(sql, %Q) END, "
#endif
          "tbl_name = %Q, "
          "name = CASE "
            "WHEN type='table' THEN %Q "
            "WHEN name LIKE 'sqlite_autoindex%%' AND type='index' THEN "
             "'sqlite_autoindex_' || %Q || substr(name,%d+18,10) "
            "ELSE name END "
      "WHERE tbl_name=%Q AND "
          "(type='table' OR type='index' OR type='trigger');", 
      zDb, SCHEMA_TABLE(iDb), zName, zName, zName, 
#ifndef SQLITE_OMIT_TRIGGER
      zName,
#endif
      zName, nTabName, zTabName
  );

#ifndef SQLITE_OMIT_AUTOINCREMENT
  /* If the sqlite_sequence table exists in this database, then update 
  ** it with the new table name.
  */
  if( sqlite3FindTable(db, "sqlite_sequence", zDb) ){

**     CREATE INDEX
**     DROP INDEX
**     creating ID lists
**     BEGIN TRANSACTION
**     COMMIT
**     ROLLBACK
**
** $Id: build.c,v 1.431 2007/05/15 03:56:49 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** This routine is called when a new SQL statement is beginning to
** be parsed.  Initialize the pParse structure as needed.

    pParse->pNewTable = 0;
    db->nTable++;
    db->flags |= SQLITE_InternChanges;

#ifndef SQLITE_OMIT_ALTERTABLE
    if( !p->pSelect ){
      const char *zName = (const char *)pParse->sNameToken.z;
      int nName, i, nUtfChar;
      assert( !pSelect && pCons && pEnd );
      if( pCons->z==0 ){
        pCons = pEnd;
      }
      nName = (const char *)pCons->z - zName;
      for(i=nUtfChar=0; i<nName; i++){
        if( (zName[i]&0xc0)!=0x80 ) nUtfChar++;
      }
      p->addColOffset = 13 + nUtfChar;
    }
#endif
  }
}

#ifndef SQLITE_OMIT_VIEW
/*

**    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 1.253 2007/05/15 03:56:50 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include "os.h"
#include <stdlib.h>
#include <string.h>

  int argc,              /* Number of arguments */
  char **argv            /* Text of each argument */
){
  sqlite3 *db;
  Tcl_DString str;
  int rc;
  char *zErr = 0;
  char *zSql;
  int i, j;
  char zBuf[30];
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
       " DB SQL", 0);
    return TCL_ERROR;
  }
  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
  Tcl_DStringInit(&str);
  zSql = sqlite3_mprintf("%s", argv[2]);
  for(i=j=0; zSql[i];){
    if( zSql[i]=='%' ){
      zSql[j++] = (testHexToInt(zSql[i+1])<<4) + testHexToInt(zSql[i+2]);
      i += 3;
    }else{
      zSql[j++] = zSql[i++];
    }
  }
  zSql[j] = 0;
  rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
  sqlite3_free(zSql);
  sprintf(zBuf, "%d", rc);
  Tcl_AppendElement(interp, zBuf);
  Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
  Tcl_DStringFree(&str);
  if( zErr ) sqlite3_free(zErr);
  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
  return TCL_OK;

# 2004 November 10
#
# 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.  The
# focus of this script is testing the ALTER TABLE statement.
#
# $Id: alter.test,v 1.22 2007/05/15 03:56:50 drh Exp $
#

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

# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
ifcapable !altertable {

     table {temp table}                    {temp table}   \
     index i2                              {temp table}   \
     index {sqlite_autoindex_temp table_1} {temp table}   \
  ]

# Make some changes
#
integrity_check alter-1.3.0
do_test alter-1.3 {
  execsql {
    ALTER TABLE [T1] RENAME to [-t1-];
    ALTER TABLE "t1'x1" RENAME TO T2;
    ALTER TABLE [temp table] RENAME to TempTab;
  }
} {}

#
ifcapable trigger {
  do_test alter-9.1 {
    execsql {SELECT SQLITE_RENAME_TRIGGER(0,0)}
  } {{}}
}
do_test alter-9.2 {
  execsql {
    SELECT SQLITE_RENAME_TABLE(0,0);
    SELECT SQLITE_RENAME_TABLE(10,20);
    SELECT SQLITE_RENAME_TABLE("foo", "foo");
  }
} {{} {} {}}

#------------------------------------------------------------------------
# alter-10.X - Make sure ALTER TABLE works with multi-byte UTF-8 characters 
# in the names.
#
do_test alter-10.1 {
  execsql "CREATE TABLE xyz(x UNIQUE)"
  execsql "ALTER TABLE xyz RENAME TO xyz\u1234abc"
  execsql {SELECT name FROM sqlite_master WHERE name LIKE 'xyz%'}
} [list xyz\u1234abc]
do_test alter-10.2 {
  execsql {SELECT name FROM sqlite_master WHERE name LIKE 'sqlite_autoindex%'}
} [list sqlite_autoindex_xyz\u1234abc_1]
do_test alter-10.3 {
  execsql "ALTER TABLE xyz\u1234abc RENAME TO xyzabc"
  execsql {SELECT name FROM sqlite_master WHERE name LIKE 'xyz%'}
} [list xyzabc]
do_test alter-10.4 {
  execsql {SELECT name FROM sqlite_master WHERE name LIKE 'sqlite_autoindex%'}
} [list sqlite_autoindex_xyzabc_1]

do_test alter-11.1 {
  sqlite3_exec db {CREATE TABLE t11(%c6%c6)}
  execsql {
    ALTER TABLE t11 ADD COLUMN abc;
  }
  catchsql {
    ALTER TABLE t11 ADD COLUMN abc;
  }
} {1 {duplicate column name: abc}}

finish_test

#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library. 
#
# This file checks error recovery from malformed SQL strings.
#
# $Id: fuzz2.test,v 1.2 2007/05/15 03:56:50 drh Exp $

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

do_test fuzz2-1.1 {
  catchsql {SELECT ALL "AAAAAA" . * GROUP BY LIMIT round(1), #12}
} {1 {near "#12": syntax error}}

  catchsql {DETACH #133}
} {1 {near "#133": syntax error}}
do_test fuzz2-5.0 {
  catchsql {SELECT 1 LIMIT ( SELECT DISTINCT * , AAAAAA , * , AAAAAA , "AAAAAA" . * FROM "AAAAAA" ON ROUND( 1 ) COLLATE AAAAAA OR "AAAAAA" USING ( AAAAAA , "AAAAAA" ) WHERE ROUND( 1 ) GROUP BY ORDER BY #84 ASC , #44 DESC , ( SELECT "AAAAAA" . * , "AAAAAA" . * FROM , ( ) "AAAAAA" USING ( )}
} {1 {near ",": syntax error}}
do_test fuzz2-5.1 {
  catchsql {SELECT 1 WHERE 1 == AAAAAA ( * ) BETWEEN + - ~ + "AAAAAA" . AAAAAA | RAISE ( IGNORE ) COLLATE AAAAAA NOT IN ( SELECT DISTINCT "AAAAAA" . * , * , * WHERE ( SELECT ALL AAAAAA AS "AAAAAA" HAVING CAST ( "AAAAAA" . "AAAAAA" . "AAAAAA" AS AAAAAA ) ORDER BY , , IS NULL ASC , ~ AND DESC LIMIT ( ( "AAAAAA" ) NOT BETWEEN ( ) NOT IN ( ) AND AAAAAA ( ) IS NOT NULL ) OFFSET AAAAAA ( ALL , , ) ) GROUP BY ORDER BY "AAAAAA" . AAAAAA ASC , NULL IN ( SELECT UNION ALL SELECT ALL WHERE HAVING ORDER BY LIMIT UNION SELECT DISTINCT FROM ( ) WHERE + HAVING >> ORDER BY LIMIT . . , "AAAAAA" ) , CAST ( ~ "AAAAAA" . AAAAAA AS "AAAAAA" AAAAAA "AAAAAA" ( + 4294967295 , - 4294967296.0 ) ) ASC LIMIT AAAAAA INTERSECT SELECT ALL * GROUP BY , AAAAAA ( DISTINCT , ) != #241 NOT IN ( , , ) , , CTIME_KW HAVING AAAAAA ORDER BY #103 DESC , #81 ASC LIMIT AAAAAA OFFSET ~ AAAAAA ( ALL AAAAAA . AAAAAA >= AAAAAA . "AAAAAA" . "AAAAAA" ) ) NOTNULL NOT NULL}
} {1 {near ",": syntax error}}
do_test fuzz2-5.2 {
  catchsql {SELECT 1 WHERE 1 == AAAAAA ( * ) BETWEEN + - ~ + "AAAAAA" . AAAAAA | RAISE ( IGNORE ) COLLATE AAAAAA NOT IN ( SELECT DISTINCT "AAAAAA" . * , * , * WHERE ( SELECT ALL AAAAAA AS "AAAAAA" HAVING CAST ( "AAAAAA" . "AAAAAA" . "AAAAAA" AS AAAAAA ) ORDER BY , , IS NULL ASC , ~ AND DESC LIMIT ( ( "AAAAAA" ) NOT BETWEEN ( ) NOT IN ( ) AND AAAAAA ( ) IS NOT NULL ) OFFSET AAAAAA ( ALL , , ) ) GROUP BY ORDER BY "AAAAAA" . AAAAAA ASC , NULL IN ( SELECT UNION ALL SELECT ALL WHERE HAVING ORDER BY LIMIT UNION SELECT DISTINCT FROM ( ) WHERE + HAVING >> ORDER BY LIMIT . . , "AAAAAA" ) , CAST ( ~ "AAAAAA" . AAAAAA AS "AAAAAA" AAAAAA "AAAAAA" ( + 4294967295 , - 4294967296.0 ) ) ASC LIMIT AAAAAA INTERSECT SELECT ALL * GROUP BY , AAAAAA ( DISTINCT , ) != #241 NOT IN ( , , ) , , CTIME_KW HAVING AAAAAA ORDER BY #103 DESC , #81 ASC LIMIT AAAAAA OFFSET ~ AAAAAA ( ALL AAAAAA . AAAAAA >= AAAAAA . "AAAAAA" . "AAAAAA" ) ) NOTNULL NOT NULL}
} {1 {near ",": syntax error}}
do_test fuzz2-5.3 {
  catchsql {UPDATE "AAAAAA" SET "AAAAAA" = - EXISTS ( SELECT DISTINCT * , * ORDER BY #202 ASC , #147 , ~ AAAAAA . "AAAAAA" ASC LIMIT AAAAAA . "AAAAAA" , RAISE ( ABORT , AAAAAA ) UNION ALL SELECT DISTINCT AAAAAA . * , * FROM ( SELECT DISTINCT}
} {1 {near "DISTINCT": syntax error}}
do_test fuzz2-5.4 {
  catchsql {REPLACE INTO AAAAAA SELECT DISTINCT "AAAAAA" . * WHERE AAAAAA ( AAAAAA ( ) ) GROUP BY AAAAAA . AAAAAA . "AAAAAA" IN "AAAAAA" | AAAAAA ( ALL , ) ORDER BY #238, #92 DESC LIMIT 0 OFFSET - RAISE ( IGNORE ) NOT NULL > RAISE ( IGNORE ) IS NULL}
} {1 {near "#92": syntax error}}
do_test fuzz2-5.5 {
  catchsql {SELECT ALL * GROUP BY EXISTS ( SELECT "AAAAAA" . * , AAAAAA ( * ) AS AAAAAA FROM "AAAAAA" . "AAAAAA" AS "AAAAAA" USING ( AAAAAA , "AAAAAA" , "AAAAAA" ) WHERE AAAAAA ( DISTINCT ) - RAISE ( FAIL , "AAAAAA" ) HAVING "AAAAAA" . "AAAAAA" . AAAAAA ORDER BY #182 , #55 ) BETWEEN EXISTS ( SELECT ALL * FROM ( ( }
} {1 {near " ": syntax error}}

finish_test