97 lines
1.9 KiB
C
97 lines
1.9 KiB
C
/*-------------------------------------------------------------------------
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*
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* ts_cache.h
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* Tsearch related object caches.
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*
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* Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/tsearch/ts_cache.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef TS_CACHE_H
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#define TS_CACHE_H
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#include "fmgr.h"
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/*
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* All TS*CacheEntry structs must share this common header
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* (see InvalidateTSCacheCallBack)
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*/
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typedef struct TSAnyCacheEntry
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{
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Oid objId;
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bool isvalid;
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} TSAnyCacheEntry;
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typedef struct TSParserCacheEntry
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{
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/* prsId is the hash lookup key and MUST BE FIRST */
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Oid prsId; /* OID of the parser */
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bool isvalid;
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Oid startOid;
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Oid tokenOid;
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Oid endOid;
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Oid headlineOid;
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Oid lextypeOid;
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/*
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* Pre-set-up fmgr call of most needed parser's methods
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*/
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FmgrInfo prsstart;
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FmgrInfo prstoken;
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FmgrInfo prsend;
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FmgrInfo prsheadline;
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} TSParserCacheEntry;
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typedef struct TSDictionaryCacheEntry
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{
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/* dictId is the hash lookup key and MUST BE FIRST */
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Oid dictId;
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bool isvalid;
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/* most frequent fmgr call */
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Oid lexizeOid;
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FmgrInfo lexize;
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MemoryContext dictCtx; /* memory context to store private data */
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void *dictData;
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} TSDictionaryCacheEntry;
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typedef struct
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{
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int len;
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Oid *dictIds;
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} ListDictionary;
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typedef struct
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{
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/* cfgId is the hash lookup key and MUST BE FIRST */
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Oid cfgId;
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bool isvalid;
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Oid prsId;
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int lenmap;
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ListDictionary *map;
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} TSConfigCacheEntry;
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/*
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* GUC variable for current configuration
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*/
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extern PGDLLIMPORT char *TSCurrentConfig;
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extern TSParserCacheEntry *lookup_ts_parser_cache(Oid prsId);
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extern TSDictionaryCacheEntry *lookup_ts_dictionary_cache(Oid dictId);
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extern TSConfigCacheEntry *lookup_ts_config_cache(Oid cfgId);
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extern Oid getTSCurrentConfig(bool emitError);
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#endif /* TS_CACHE_H */
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