1 files changed, 102 insertions, 0 deletions
diff --git a/src/include/catalog/pg_operator.h b/src/include/catalog/pg_operator.h
new file mode 100644
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--- /dev/null
+++ b/src/include/catalog/pg_operator.h
@@ -0,0 +1,102 @@
+/*-------------------------------------------------------------------------
+ *
+ * pg_operator.h
+ *	  definition of the "operator" system catalog (pg_operator)
+ *
+ *
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/catalog/pg_operator.h
+ *
+ * NOTES
+ *	  The Catalog.pm module reads this file and derives schema
+ *	  information.
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_OPERATOR_H
+#define PG_OPERATOR_H
+
+#include "catalog/genbki.h"
+#include "catalog/objectaddress.h"
+#include "catalog/pg_operator_d.h"
+#include "nodes/pg_list.h"
+
+/* ----------------
+ *		pg_operator definition.  cpp turns this into
+ *		typedef struct FormData_pg_operator
+ * ----------------
+ */
+CATALOG(pg_operator,2617,OperatorRelationId)
+{
+	Oid			oid;			/* oid */
+
+	/* name of operator */
+	NameData	oprname;
+
+	/* OID of namespace containing this oper */
+	Oid			oprnamespace BKI_DEFAULT(PGNSP);
+
+	/* operator owner */
+	Oid			oprowner BKI_DEFAULT(PGUID);
+
+	/* 'l', 'r', or 'b' */
+	char		oprkind BKI_DEFAULT(b);
+
+	/* can be used in merge join? */
+	bool		oprcanmerge BKI_DEFAULT(f);
+
+	/* can be used in hash join? */
+	bool		oprcanhash BKI_DEFAULT(f);
+
+	/* left arg type, or 0 if 'l' oprkind */
+	Oid			oprleft BKI_LOOKUP(pg_type);
+
+	/* right arg type, or 0 if 'r' oprkind */
+	Oid			oprright BKI_LOOKUP(pg_type);
+
+	/* result datatype */
+	Oid			oprresult BKI_LOOKUP(pg_type);
+
+	/* OID of commutator oper, or 0 if none */
+	Oid			oprcom BKI_DEFAULT(0) BKI_LOOKUP(pg_operator);
+
+	/* OID of negator oper, or 0 if none */
+	Oid			oprnegate BKI_DEFAULT(0) BKI_LOOKUP(pg_operator);
+
+	/* OID of underlying function */
+	regproc		oprcode BKI_LOOKUP(pg_proc);
+
+	/* OID of restriction estimator, or 0 */
+	regproc		oprrest BKI_DEFAULT(-) BKI_LOOKUP(pg_proc);
+
+	/* OID of join estimator, or 0 */
+	regproc		oprjoin BKI_DEFAULT(-) BKI_LOOKUP(pg_proc);
+} FormData_pg_operator;
+
+/* ----------------
+ *		Form_pg_operator corresponds to a pointer to a tuple with
+ *		the format of pg_operator relation.
+ * ----------------
+ */
+typedef FormData_pg_operator *Form_pg_operator;
+
+
+extern ObjectAddress OperatorCreate(const char *operatorName,
+									Oid operatorNamespace,
+									Oid leftTypeId,
+									Oid rightTypeId,
+									Oid procedureId,
+									List *commutatorName,
+									List *negatorName,
+									Oid restrictionId,
+									Oid joinId,
+									bool canMerge,
+									bool canHash);
+
+extern ObjectAddress makeOperatorDependencies(HeapTuple tuple, bool isUpdate);
+
+extern void OperatorUpd(Oid baseId, Oid commId, Oid negId, bool isDelete);
+
+#endif							/* PG_OPERATOR_H */