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src/include/access/session.h
44 строки
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Bruce Momjian
Update copyright for 2026
01 янв 2026, 21:24
01 янв 2026, 21:24
451c439
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/*------------------------------------------------------------------------- * * session.h * Encapsulation of user session. * * Copyright (c) 2017-2026, PostgreSQL Global Development Group * * src/include/access/session.h * *------------------------------------------------------------------------- */ #ifndef SESSION_H #define SESSION_H #include "lib/dshash.h" /* Avoid including typcache.h */ struct SharedRecordTypmodRegistry; /* * A struct encapsulating some elements of a user's session. For now this * manages state that applies to parallel query, but in principle it could * include other things that are currently global variables. */ typedef struct Session { dsm_segment *segment; /* The session-scoped DSM segment. */ dsa_area *area; /* The session-scoped DSA area. */ /* State managed by typcache.c. */ struct SharedRecordTypmodRegistry *shared_typmod_registry; dshash_table *shared_record_table; dshash_table *shared_typmod_table; } Session; extern void InitializeSession(void); extern dsm_handle GetSessionDsmHandle(void); extern void AttachSession(dsm_handle handle); extern void DetachSession(void); /* The current session, or NULL for none. */ extern PGDLLIMPORT Session *CurrentSession; #endif /* SESSION_H */