SQLite

2.4.5

**    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 are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.48 2002/03/31 18:29:03 drh Exp $
*/
#include "sqliteInt.h"

/*
** This routine is call to handle SQL of the following forms:
**
**    insert into TABLE (IDLIST) values(EXPRLIST)

  ** except when the table has an INTEGER PRIMARY KEY column, in which
  ** case the record number is the same as that column. 
  */
  if( keyColumn>=0 ){
    if( srcTab>=0 ){
      sqliteVdbeAddOp(v, OP_Column, srcTab, keyColumn);
    }else{
      int addr;
      sqliteExprCode(pParse, pList->a[keyColumn].pExpr);

      /* If the PRIMARY KEY expression is NULL, then use OP_NewRecno
      ** to generate a unique primary key value.
      */
      addr = sqliteVdbeAddOp(v, OP_Dup, 0, 1);
      sqliteVdbeAddOp(v, OP_NotNull, 0, addr+4);
      sqliteVdbeAddOp(v, OP_Pop, 1, 0);
      sqliteVdbeAddOp(v, OP_NewRecno, base, 0);
    }
    sqliteVdbeAddOp(v, OP_MustBeInt, 0, 0);
  }else{
    sqliteVdbeAddOp(v, OP_NewRecno, base, 0);
  }

  /* Push onto the stack, data for all columns of the new entry, beginning

#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# This file implements tests for the special processing associated
# with INTEGER PRIMARY KEY columns.
#
# $Id: intpkey.test,v 1.9 2002/03/31 18:29:03 drh Exp $

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

# Create a table with a primary key and a datatype other than
# integer
#

do_test intpkey-9.1 {
  execsql {
    UPDATE t1 SET c='www' WHERE c='world';
    SELECT rowid, a, c FROM t1 WHERE c=='www';
  }
} {5 5 www 11 11 www}


# Check insert of NULL for primary key
#
do_test intpkey-10.1 {
  execsql {
    DROP TABLE t2;
    CREATE TABLE t2(x INTEGER PRIMARY KEY, y, z);
    INSERT INTO t2 VALUES(NULL, 1, 2);
    SELECT * from t2;
  }
} {1 1 2}
do_test intpkey-10.2 {
  execsql {
    INSERT INTO t2 VALUES(NULL, 2, 3);
    SELECT * from t2 WHERE x=2;
  }
} {2 2 3}

finish_test

}


proc chng {date desc} {
  puts "<DT><B>$date</B></DT>"
  puts "<DD><P><UL>$desc</UL></P></DD>"
}

chng {2002 Mar 31 (2.4.5)} {
<li>When inserting an explicit NULL into an INTEGER PRIMARY KEY, convert
    the NULL value into a unique key automatically.</li>
}

chng {2002 Mar 24 (2.4.4)} {
<li>Allow "VIEW" to be a column name</li>
<li>Added support for CASE expressions (patch from Dan Kennedy)</li>
<li>Added RPMS to the delivery (patches from Doug Henry)</li>
<li>Fix typos in the documentation</li>
<li>Cut over configuration management to a new CVS repository with