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Overview
Comment:Authorization callback on the ALTER TABLE ADD COLUMN command. Ticket #1479. (CVS 3043)
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SHA1: 461f586973431438bb074aa3077f705e9b1b80da
User & Date: drh 2006-01-31 14:28:45.000
Context
2006-01-31
15:19
Fix an problem in the test scripts that was show false failures under windows. (CVS 3044) (check-in: 0cf4e3c6e7 user: drh tags: trunk)
14:28
Authorization callback on the ALTER TABLE ADD COLUMN command. Ticket #1479. (CVS 3043) (check-in: 461f586973 user: drh tags: trunk)
2006-01-30
23:04
Remove support for the non-standard ON CONFLICT clause on CREATE INDEX. Ticket #1486. The ON CONFLICT clause has never worked on CREATE INDEX so removing it should not break anything. (CVS 3042) (check-in: 669bcf5ab6 user: drh 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 1.18 2006/01/18 16:51:35 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 1.19 2006/01/31 14:28:45 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.
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  iDb = sqlite3SchemaToIndex(pParse->db, pNew->pSchema);
  zDb = pParse->db->aDb[iDb].zName;
  zTab = pNew->zName;
  pCol = &pNew->aCol[pNew->nCol-1];
  pDflt = pCol->pDflt;
  pTab = sqlite3FindTable(pParse->db, zTab, zDb);
  assert( pTab );








  /* If the default value for the new column was specified with a 
  ** literal NULL, then set pDflt to 0. This simplifies checking
  ** for an SQL NULL default below.
  */
  if( pDflt && pDflt->op==TK_NULL ){
    pDflt = 0;







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  iDb = sqlite3SchemaToIndex(pParse->db, pNew->pSchema);
  zDb = pParse->db->aDb[iDb].zName;
  zTab = pNew->zName;
  pCol = &pNew->aCol[pNew->nCol-1];
  pDflt = pCol->pDflt;
  pTab = sqlite3FindTable(pParse->db, zTab, zDb);
  assert( pTab );

#ifndef SQLITE_OMIT_AUTHORIZATION
  /* Invoke the authorization callback. */
  if( sqlite3AuthCheck(pParse, SQLITE_ALTER_TABLE, zDb, pTab->zName, 0) ){
    return;
  }
#endif

  /* If the default value for the new column was specified with a 
  ** literal NULL, then set pDflt to 0. This simplifies checking
  ** for an SQL NULL default below.
  */
  if( pDflt && pDflt->op==TK_NULL ){
    pDflt = 0;
Changes to test/auth.test.
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#    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 ATTACH and DETACH commands
# and related functionality.
#
# $Id: auth.test,v 1.33 2006/01/17 09:35:02 danielk1977 Exp $
#

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

# disable this test if the SQLITE_OMIT_AUTHORIZATION macro is
# defined during compilation.







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#    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 ATTACH and DETACH commands
# and related functionality.
#
# $Id: auth.test,v 1.34 2006/01/31 14:28:46 drh Exp $
#

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

# disable this test if the SQLITE_OMIT_AUTHORIZATION macro is
# defined during compilation.
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  do_test auth-1.297 {
    execsql {
      SELECT count(*) FROM sqlite_stat1;
    }
  } 2
} ;# ifcapable analyze




































































do_test auth-2.1 {
  proc auth {code arg1 arg2 arg3 arg4} {
    if {$code=="SQLITE_READ" && $arg1=="t3" && $arg2=="x"} {
      return SQLITE_DENY
    }
    return SQLITE_OK
  }







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  do_test auth-1.297 {
    execsql {
      SELECT count(*) FROM sqlite_stat1;
    }
  } 2
} ;# ifcapable analyze


# Authorization for ALTER TABLE ADD COLUMN.
# These tests are omitted if the library
# was built without ALTER TABLE support.
ifcapable {altertable} {
  do_test auth-1.300 {
    execsql {CREATE TABLE t5(x)}
    proc auth {code arg1 arg2 arg3 arg4} {
      if {$code=="SQLITE_ALTER_TABLE"} {
        set ::authargs [list $arg1 $arg2 $arg3 $arg4]
        return SQLITE_OK
      }
      return SQLITE_OK
    }
    catchsql {
      ALTER TABLE t5 ADD COLUMN new_col_1;
    }
  } {0 {}}
  do_test auth-1.301 {
    set x [execsql {SELECT sql FROM sqlite_master WHERE name='t5'}]
    regexp new_col_1 $x
  } {1}
  do_test auth-1.302 {
    set authargs
  } {main t5 {} {}}
  do_test auth-1.303 {
    proc auth {code arg1 arg2 arg3 arg4} {
      if {$code=="SQLITE_ALTER_TABLE"} {
        set ::authargs [list $arg1 $arg2 $arg3 $arg4]
        return SQLITE_IGNORE
      }
      return SQLITE_OK
    }
    catchsql {
      ALTER TABLE t5 ADD COLUMN new_col_2;
    }
  } {0 {}}
  do_test auth-1.304 {
    set x [execsql {SELECT sql FROM sqlite_master WHERE name='t5'}]
    regexp new_col_2 $x
  } {0}
  do_test auth-1.305 {
    set authargs
  } {main t5 {} {}}
  do_test auth-1.306 {
    proc auth {code arg1 arg2 arg3 arg4} {
      if {$code=="SQLITE_ALTER_TABLE"} {
        set ::authargs [list $arg1 $arg2 $arg3 $arg4]
        return SQLITE_DENY
      }
      return SQLITE_OK
    }
    catchsql {
      ALTER TABLE t5 ADD COLUMN new_col_3
    }
  } {1 {not authorized}}
  do_test auth-1.307 {
    set x [execsql {SELECT sql FROM sqlite_temp_master WHERE type='t5'}]
    regexp new_col_3 $x
  } {0}

  do_test auth-1.308 {
    set authargs
  } {main t5 {} {}}
  execsql {DROP TABLE t5}
} ;# ifcapable altertable

do_test auth-2.1 {
  proc auth {code arg1 arg2 arg3 arg4} {
    if {$code=="SQLITE_READ" && $arg1=="t3" && $arg2=="x"} {
      return SQLITE_DENY
    }
    return SQLITE_OK
  }