Separate predicate-testing code out of indxpath.c, making it a module

in its own right.  As proposed by Simon Riggs, but with some editorializing
of my own.

2 files changed, 24 insertions, 2 deletions

diff --git a/src/include/optimizer/paths.h b/src/include/optimizer/paths.h
index f0c2e64599f..be46bf53dd4 100644
--- a/src/include/optimizer/paths.h
+++ b/src/include/optimizer/paths.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/optimizer/paths.h,v 1.84 2005/06/05 22:32:58 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/optimizer/paths.h,v 1.85 2005/06/10 22:25:37 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -49,7 +49,6 @@ extern bool match_index_to_operand(Node *operand, int indexcol,
 extern List *expand_indexqual_conditions(IndexOptInfo *index,
 										 List *clausegroups);
 extern void check_partial_indexes(PlannerInfo *root, RelOptInfo *rel);
-extern bool pred_test(List *predicate_list, List *restrictinfo_list);
 extern List *flatten_clausegroups_list(List *clausegroups);
 
 /*
diff --git a/src/include/optimizer/predtest.h b/src/include/optimizer/predtest.h
new file mode 100644
index 00000000000..cfa58f650a1
--- /dev/null
+++ b/src/include/optimizer/predtest.h
@@ -0,0 +1,23 @@
+/*-------------------------------------------------------------------------
+ *
+ * predtest.h
+ *	  prototypes for predtest.c
+ *
+ *
+ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * $PostgreSQL: pgsql/src/include/optimizer/predtest.h,v 1.1 2005/06/10 22:25:37 tgl Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PREDTEST_H
+#define PREDTEST_H
+
+#include "nodes/primnodes.h"
+
+
+extern bool predicate_implied_by(List *predicate_list,
+								 List *restrictinfo_list);
+
+#endif   /* PREDTEST_H */