greenplumn opfam_internal 源码
greenplumn opfam_internal 代码
文件路径：/src/include/catalog/opfam_internal.h
/*-------------------------------------------------------------------------
*
* opfam_internal.h
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/opfam_internal.h
*
*-------------------------------------------------------------------------
*/
#ifndef OPFAM_INTERNAL_H
#define OPFAM_INTERNAL_H
/*
* We use lists of this struct type to keep track of both operators and
* procedures while building or adding to an opfamily.
*/
typedef struct
{
Oid object; /* operator or support proc's OID */
int number; /* strategy or support proc number */
Oid lefttype; /* lefttype */
Oid righttype; /* righttype */
Oid sortfamily; /* ordering operator's sort opfamily, or 0 */
} OpFamilyMember;
#endif /* OPFAM_INTERNAL_H */
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