/*-------------------------------------------------------------------------
*
* ts_cache . h
* Tsearch related object caches .
*
* Portions Copyright ( c ) 1996 - 2025 , PostgreSQL Global Development Group
* Portions Copyright ( c ) 1994 , Regents of the University of California
*
* src / include / tsearch / ts_cache . h
*
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
*/
#ifndef TS_CACHE_H
#define TS_CACHE_H
#include "fmgr.h"
/*
* All TS * CacheEntry structs must share this common header
* ( see InvalidateTSCacheCallBack )
*/
typedef struct TSAnyCacheEntry
{
Oid objId;
bool isvalid;
} TSAnyCacheEntry;
typedef struct TSParserCacheEntry
{
/* prsId is the hash lookup key and MUST BE FIRST */
Oid prsId; /* OID of the parser */
bool isvalid;
Oid startOid;
Oid tokenOid;
Oid endOid;
Oid headlineOid;
Oid lextypeOid;
/*
* Pre - set - up fmgr call of most needed parser ' s methods
*/
FmgrInfo prsstart;
FmgrInfo prstoken;
FmgrInfo prsend;
FmgrInfo prsheadline;
} TSParserCacheEntry;
typedef struct TSDictionaryCacheEntry
{
/* dictId is the hash lookup key and MUST BE FIRST */
Oid dictId;
bool isvalid;
/* most frequent fmgr call */
Oid lexizeOid;
FmgrInfo lexize;
MemoryContext dictCtx; /* memory context to store private data */
void *dictData;
} TSDictionaryCacheEntry;
typedef struct
{
int len;
Oid *dictIds;
} ListDictionary;
typedef struct
{
/* cfgId is the hash lookup key and MUST BE FIRST */
Oid cfgId;
bool isvalid;
Oid prsId;
int lenmap;
ListDictionary *map;
} TSConfigCacheEntry;
/*
* GUC variable for current configuration
*/
extern PGDLLIMPORT char *TSCurrentConfig;
extern TSParserCacheEntry *lookup_ts_parser_cache(Oid prsId);
extern TSDictionaryCacheEntry *lookup_ts_dictionary_cache(Oid dictId);
extern TSConfigCacheEntry *lookup_ts_config_cache(Oid cfgId);
extern Oid getTSCurrentConfig(bool emitError);
#endif /* TS_CACHE_H */
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