greenplumn pqmq 源码
greenplumn pqmq 代码
文件路径：/src/include/libpq/pqmq.h
/*-------------------------------------------------------------------------
*
* pqmq.h
* Use the frontend/backend protocol for communication over a shm_mq
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/libpq/pqmq.h
*
*-------------------------------------------------------------------------
*/
#ifndef PQMQ_H
#define PQMQ_H
#include "lib/stringinfo.h"
#include "storage/shm_mq.h"
extern void pq_redirect_to_shm_mq(dsm_segment *seg, shm_mq_handle *mqh);
extern void pq_set_parallel_master(pid_t pid, BackendId backend_id);
extern void pq_parse_errornotice(StringInfo str, ErrorData *edata);
#endif /* PQMQ_H */
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