| Server IP : 85.214.239.14 / Your IP : 3.138.34.93 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /usr/include/postgresql/9.6/server/access/ |
Upload File : |
/*--------------------------------------------------------------------------
* gin.h
* Public header file for Generalized Inverted Index access method.
*
* Copyright (c) 2006-2016, PostgreSQL Global Development Group
*
* src/include/access/gin.h
*--------------------------------------------------------------------------
*/
#ifndef GIN_H
#define GIN_H
#include "access/xlogreader.h"
#include "lib/stringinfo.h"
#include "storage/block.h"
#include "utils/relcache.h"
/*
* amproc indexes for inverted indexes.
*/
#define GIN_COMPARE_PROC 1
#define GIN_EXTRACTVALUE_PROC 2
#define GIN_EXTRACTQUERY_PROC 3
#define GIN_CONSISTENT_PROC 4
#define GIN_COMPARE_PARTIAL_PROC 5
#define GIN_TRICONSISTENT_PROC 6
#define GINNProcs 6
/*
* searchMode settings for extractQueryFn.
*/
#define GIN_SEARCH_MODE_DEFAULT 0
#define GIN_SEARCH_MODE_INCLUDE_EMPTY 1
#define GIN_SEARCH_MODE_ALL 2
#define GIN_SEARCH_MODE_EVERYTHING 3 /* for internal use only */
/*
* GinStatsData represents stats data for planner use
*/
typedef struct GinStatsData
{
BlockNumber nPendingPages;
BlockNumber nTotalPages;
BlockNumber nEntryPages;
BlockNumber nDataPages;
int64 nEntries;
int32 ginVersion;
} GinStatsData;
/*
* A ternary value used by tri-consistent functions.
*
* For convenience, this is compatible with booleans. A boolean can be
* safely cast to a GinTernaryValue.
*/
typedef char GinTernaryValue;
#define GIN_FALSE 0 /* item is not present / does not match */
#define GIN_TRUE 1 /* item is present / matches */
#define GIN_MAYBE 2 /* don't know if item is present / don't know
* if matches */
#define DatumGetGinTernaryValue(X) ((GinTernaryValue)(X))
#define GinTernaryValueGetDatum(X) ((Datum)(X))
#define PG_RETURN_GIN_TERNARY_VALUE(x) return GinTernaryValueGetDatum(x)
/* GUC parameters */
extern PGDLLIMPORT int GinFuzzySearchLimit;
extern int gin_pending_list_limit;
/* ginutil.c */
extern void ginGetStats(Relation index, GinStatsData *stats);
extern void ginUpdateStats(Relation index, const GinStatsData *stats);
/* ginxlog.c */
extern void gin_redo(XLogReaderState *record);
extern void gin_desc(StringInfo buf, XLogReaderState *record);
extern const char *gin_identify(uint8 info);
extern void gin_xlog_startup(void);
extern void gin_xlog_cleanup(void);
#endif /* GIN_H */