88 *
99 *
1010 * IDENTIFICATION
11- * $Header: /cvsroot/pgsql/src/backend/commands/sequence.c,v 1.94 2003/03/20 07:02:07 momjian Exp $
11+ * $Header: /cvsroot/pgsql/src/backend/commands/sequence.c,v 1.95 2003/03/21 03:55:21 momjian Exp $
1212 *
1313 *-------------------------------------------------------------------------
1414 */
@@ -96,11 +96,11 @@ DefineSequence(CreateSeqStmt *seq)
9696NameData name ;
9797
9898/* Values are NULL (or false) by default */
99- new .last_value = NULL ;
100- new .increment_by = NULL ;
101- new .max_value = NULL ;
102- new .min_value = NULL ;
103- new .cache_value = NULL ;
99+ new .last_value = 0 ;
100+ new .increment_by = 0 ;
101+ new .max_value = 0 ;
102+ new .min_value = 0 ;
103+ new .cache_value = 0 ;
104104new .is_cycled = false;
105105
106106/* Check and set values */
@@ -879,8 +879,8 @@ init_params(char *caller, List *options, Form_pg_sequence new)
879879 * start is for a new sequence
880880 * restart is for alter
881881 */
882- else if ((new -> last_value == NULL && strcmp (defel -> defname ,"start" )== 0 )
883- || (new -> last_value != NULL && strcmp (defel -> defname ,"restart" )== 0 ))
882+ else if ((new -> last_value == 0L && strcmp (defel -> defname ,"start" )== 0 )
883+ || (new -> last_value != 0 && strcmp (defel -> defname ,"restart" )== 0 ))
884884{
885885if (last_value )
886886elog (ERROR ,"%s: LAST VALUE defined twice" ,caller );
@@ -917,7 +917,7 @@ init_params(char *caller, List *options, Form_pg_sequence new)
917917}
918918
919919/* INCREMENT BY */
920- if (new -> increment_by == NULL && increment_by == (DefElem * )NULL )
920+ if (new -> increment_by == 0 && increment_by == (DefElem * )NULL )
921921new -> increment_by = 1 ;
922922else if (increment_by != (DefElem * )NULL )
923923{
@@ -928,7 +928,7 @@ init_params(char *caller, List *options, Form_pg_sequence new)
928928}
929929
930930/* MAXVALUE */
931- if ((new -> max_value == NULL && max_value == (DefElem * )NULL )
931+ if ((new -> max_value == 0 && max_value == (DefElem * )NULL )
932932|| (max_value != (DefElem * )NULL && !max_value -> arg ))
933933{
934934if (new -> increment_by > 0 )
@@ -940,7 +940,7 @@ init_params(char *caller, List *options, Form_pg_sequence new)
940940new -> max_value = defGetInt64 (max_value );
941941
942942/* MINVALUE */
943- if ((new -> min_value == NULL && min_value == (DefElem * )NULL )
943+ if ((new -> min_value == 0 && min_value == (DefElem * )NULL )
944944|| (min_value != (DefElem * )NULL && !min_value -> arg ))
945945{
946946if (new -> increment_by > 0 )
@@ -963,7 +963,7 @@ init_params(char *caller, List *options, Form_pg_sequence new)
963963}
964964
965965/* START WITH */
966- if (new -> last_value == NULL && last_value == (DefElem * )NULL )
966+ if (new -> last_value == 0 && last_value == (DefElem * )NULL )
967967{
968968if (new -> increment_by > 0 )
969969new -> last_value = new -> min_value ;/* ascending seq */