Add a CHECK_FOR_INTERRUPTS() to the loop in ExecMakeTableFunctionResult.

Otherwise you can't cancel queries like select ... from generate_series(1,1000000).

src/backend/executor/execQual.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/executor/execQual.c,v 1.188 2006/03/05 15:58:26 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/executor/execQual.c,v 1.189 2006/03/10 01:51:23 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1280,6 +1280,8 @@ ExecMakeTableFunctionResult(ExprState *funcexpr,
 		Datum		result;
 		HeapTuple	tuple;
 
+		CHECK_FOR_INTERRUPTS();
+
 		/*
 		 * reset per-tuple memory context before each call of the function or
 		 * expression. This cleans up any local memory the function may leak