greenplumn pg_foreign_data_wrapper 源码
greenplumn pg_foreign_data_wrapper 代码
文件路径：/src/include/catalog/pg_foreign_data_wrapper.h
/*-------------------------------------------------------------------------
*
* pg_foreign_data_wrapper.h
* definition of the "foreign-data wrapper" system catalog (pg_foreign_data_wrapper)
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/pg_foreign_data_wrapper.h
*
* NOTES
* The Catalog.pm module reads this file and derives schema
* information.
*
*-------------------------------------------------------------------------
*/
#ifndef PG_FOREIGN_DATA_WRAPPER_H
#define PG_FOREIGN_DATA_WRAPPER_H
#include "catalog/genbki.h"
#include "catalog/pg_foreign_data_wrapper_d.h"
/* ----------------
* pg_foreign_data_wrapper definition. cpp turns this into
* typedef struct FormData_pg_foreign_data_wrapper
* ----------------
*/
CATALOG(pg_foreign_data_wrapper,2328,ForeignDataWrapperRelationId)
{
Oid oid; /* oid */
NameData fdwname; /* foreign-data wrapper name */
/* FDW owner */
Oid fdwowner BKI_DEFAULT(PGUID);
/* handler function, or 0 if none */
Oid fdwhandler BKI_DEFAULT(0) BKI_LOOKUP(pg_proc);
/* option validation function, or 0 if none */
Oid fdwvalidator BKI_DEFAULT(0) BKI_LOOKUP(pg_proc);
#ifdef CATALOG_VARLEN /* variable-length fields start here */
/* access permissions */
aclitem fdwacl[1] BKI_DEFAULT(_null_);
/* FDW options */
text fdwoptions[1] BKI_DEFAULT(_null_);
#endif
} FormData_pg_foreign_data_wrapper;
/* ----------------
* Form_pg_foreign_data_wrapper corresponds to a pointer to a tuple with
* the format of pg_foreign_data_wrapper relation.
* ----------------
*/
typedef FormData_pg_foreign_data_wrapper *Form_pg_foreign_data_wrapper;
#endif /* PG_FOREIGN_DATA_WRAPPER_H */
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