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Overview
Comment:Use SQL function substr() correctly from ALTER TABLE code. Ticket #1182. (CVS 2420)
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SHA1: ccb9f4022b3ccb1cc2ab001628fd38becfbf8efe
User & Date: danielk1977 2005-03-28 00:07:16.000
Context
2005-03-28
03:39
Fix some memory leaks that occur after a malloc failure. (CVS 2421) (check-in: bcb5d72ef1 user: drh tags: trunk)
00:07
Use SQL function substr() correctly from ALTER TABLE code. Ticket #1182. (CVS 2420) (check-in: ccb9f4022b user: danielk1977 tags: trunk)
2005-03-27
01:56
Correctly allocate new columns array in ALTER TABLE .. ADD COLUMN. Ticket #1183. (CVS 2419) (check-in: 3c86e63389 user: danielk1977 tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/alter.c.
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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that used to generate VDBE code
** that implements the ALTER TABLE command.
**
** $Id: alter.c,v 1.5 2005/03/27 01:56:31 danielk1977 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.








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**    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 1.6 2005/03/28 00:07:16 danielk1977 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.
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  if( zCol ){
    char *zEnd = &zCol[pColDef->n-1];
    while( (zEnd>zCol && *zEnd==';') || isspace(*(unsigned char *)zEnd) ){
      *zEnd-- = '\0';
    }
    sqlite3NestedParse(pParse, 
        "UPDATE %Q.%s SET "
          "sql = substr(sql,0,%d) || ', ' || %Q || substr(sql,%d,length(sql)) "
        "WHERE type = 'table' AND name = %Q", 
      zDb, SCHEMA_TABLE(iDb), pNew->addColOffset, zCol, pNew->addColOffset+1,
      zTab
    );
    sqliteFree(zCol);
  }









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  if( zCol ){
    char *zEnd = &zCol[pColDef->n-1];
    while( (zEnd>zCol && *zEnd==';') || isspace(*(unsigned char *)zEnd) ){
      *zEnd-- = '\0';
    }
    sqlite3NestedParse(pParse, 
        "UPDATE %Q.%s SET "
          "sql = substr(sql,1,%d) || ', ' || %Q || substr(sql,%d,length(sql)) "
        "WHERE type = 'table' AND name = %Q", 
      zDb, SCHEMA_TABLE(iDb), pNew->addColOffset, zCol, pNew->addColOffset+1,
      zTab
    );
    sqliteFree(zCol);
  }
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Changes to test/utf16.test. 
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# 2001 September 15
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file runs all tests.
#
# $Id: utf16.test,v 1.3 2004/06/30 02:35:51 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl
rename finish_test really_finish_test2
proc finish_test {} {}
set ISQUICK 1

if { [llength $argv]>0 } {
  set FILES $argv
  set argv [list]
} else {
  set F {

    auth.test bind.test blob.test capi2.test capi3.test collate1.test
    collate2.test collate3.test collate4.test collate5.test collate6.test
    conflict.test date.test delete.test expr.test fkey1.test func.test
    hook.test index.test insert2.test insert.test interrupt.test in.test
    intpkey.test ioerr.test join2.test join.test lastinsert.test
    laststmtchanges.test limit.test lock2.test lock.test main.test 
    memdb.test minmax.test misc1.test misc2.test misc3.test notnull.test













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# 2001 September 15
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file runs all tests.
#
# $Id: utf16.test,v 1.4 2005/03/28 00:07:16 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl
rename finish_test really_finish_test2
proc finish_test {} {}
set ISQUICK 1

if { [llength $argv]>0 } {
  set FILES $argv
  set argv [list]
} else {
  set F {
    alter.test alter2.test alter3.test
    auth.test bind.test blob.test capi2.test capi3.test collate1.test
    collate2.test collate3.test collate4.test collate5.test collate6.test
    conflict.test date.test delete.test expr.test fkey1.test func.test
    hook.test index.test insert2.test insert.test interrupt.test in.test
    intpkey.test ioerr.test join2.test join.test lastinsert.test
    laststmtchanges.test limit.test lock2.test lock.test main.test 
    memdb.test minmax.test misc1.test misc2.test misc3.test notnull.test
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