#include "trx0roll.h"
#include "row0mysql.h"
#include "row0upd.h"
#include "dict0types.h"
#include "row0sel.h"
#include "fts0fts.h"
#include "fts0priv.h"
#include "fts0types.h"
#include "fts0types.ic"
#include "fts0vlc.ic"
#include "dict0priv.h"
#include "dict0stats.h"
#include "btr0pcur.h"
#include "ha_prototypes.h"

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Classes
struct	fts_aux_table_t

Macros
#define	FTS_MAX_ID_LEN 32
#define	FTS_MAX_CACHE_SIZE_IN_MB "cache_size_in_mb"

Functions
UNIV_INLINE ibool	fts_is_stop_signalled (fts_t *fts)
UNIV_INTERN void	fts_cache_init (fts_cache_t *cache)
UNIV_INTERN fts_cache_t *	fts_cache_create (dict_table_t *table)
UNIV_INTERN void	fts_add_index (dict_index_t index, dict_table_t table)
UNIV_INTERN ibool	fts_check_cached_index (dict_table_t *table)
UNIV_INTERN dberr_t	fts_drop_index (dict_table_t table, dict_index_t index, trx_t *trx)
UNIV_INTERN void	fts_que_graph_free_check_lock (fts_table_t fts_table, const fts_index_cache_t index_cache, que_t *graph)
UNIV_INTERN CHARSET_INFO *	fts_index_get_charset (dict_index_t *index)
UNIV_INTERN fts_index_cache_t *	fts_cache_index_cache_create (dict_table_t table, dict_index_t index)
UNIV_INTERN void	fts_cache_clear (fts_cache_t *cache, ibool free_words)
UNIV_INLINE fts_index_cache_t *	fts_get_index_cache (fts_cache_t cache, const dict_index_t index)
UNIV_INTERN void	fts_cache_destroy (fts_cache_t *cache)
UNIV_INTERN void	fts_cache_node_add_positions (fts_cache_t cache, fts_node_t node, doc_id_t doc_id, ib_vector_t *positions)

Variables
UNIV_INTERN ulong	fts_max_cache_size
UNIV_INTERN bool	fts_need_sync = false
UNIV_INTERN ulong	fts_max_total_cache_size
UNIV_INTERN ulong	fts_result_cache_limit
UNIV_INTERN ulong	fts_max_token_size
UNIV_INTERN ulong	fts_min_token_size
ib_time_t	elapsed_time = 0
ulint	n_nodes = 0
const ulint	UTF8_ERROR = 0xFFFFFFFF
UNIV_INTERN char *	fts_internal_tbl_name = NULL
const char *	fts_default_stopword []
const fts_index_selector_t	fts_index_selector []

Detailed Description

Full Text Search interface

Definition in file fts0fts.cc.

Macro Definition Documentation

#define FTS_MAX_CACHE_SIZE_IN_MB "cache_size_in_mb"

Column name from the FTS config table

Definition at line 45 of file fts0fts.cc.

Function Documentation

UNIV_INTERN void fts_add_index	(	dict_index_t *	index,
		dict_table_t *	table
	)

Add a newly create index into FTS cache

Parameters

index	FTS index to be added
table	table

Definition at line 685 of file fts0fts.cc.

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UNIV_INTERN void fts_cache_clear	(	fts_cache_t *	cache,
		ibool	free_words
	)

Clear cache. If the shutdown flag is TRUE then the cache can contain data that needs to be freed. For regular clear as part of normal working we assume the caller has freed all resources.

Parameters

cache	in: cache
free_words	in: TRUE if free in memory word cache.

Definition at line 1087 of file fts0fts.cc.

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UNIV_INTERN fts_cache_t* fts_cache_create ( dict_table_t * table )

Create a FTS cache.

Parameters

table in: table owns the FTS cache

Definition at line 621 of file fts0fts.cc.

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UNIV_INTERN void fts_cache_destroy ( fts_cache_t * cache )

Free the FTS cache.

Parameters

cache in: cache

Definition at line 1212 of file fts0fts.cc.

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UNIV_INTERN fts_index_cache_t* fts_cache_index_cache_create	(	dict_table_t *	table,
		dict_index_t *	index
	)

Create an FTS index cache.

Returns: Index Cache

Parameters

table	in: table with FTS index
index	in: FTS index

Definition at line 1000 of file fts0fts.cc.

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UNIV_INTERN void fts_cache_init ( fts_cache_t * cache )

Initialize FTS cache.

Parameters

cache in: cache to initialize

Definition at line 590 of file fts0fts.cc.

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UNIV_INTERN void fts_cache_node_add_positions	(	fts_cache_t *	cache,
		fts_node_t *	node,
		doc_id_t	doc_id,
		ib_vector_t *	positions
	)

Add the given doc_id/word positions to the given node's ilist.

Parameters

cache	in: cache
node	in: word node
doc_id	in: doc id
positions	in: fts_token_t::positions

Definition at line 1293 of file fts0fts.cc.

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UNIV_INTERN ibool fts_check_cached_index ( dict_table_t * table )

Check indexes in the fts->indexes is also present in index cache and table->indexes list

Returns: TRUE if all indexes match

Parameters

table in: Table where indexes are dropped

Definition at line 801 of file fts0fts.cc.

UNIV_INTERN dberr_t fts_drop_index	(	dict_table_t *	table,
		dict_index_t *	index,
		trx_t *	trx
	)

Drop auxiliary tables related to an FTS index

Returns: DB_SUCCESS or error number

Parameters

table	in: Table where indexes are dropped
index	in: Index to be dropped
trx	in: Transaction for the drop

Definition at line 837 of file fts0fts.cc.

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UNIV_INLINE fts_index_cache_t* fts_get_index_cache	(	fts_cache_t *	cache,
		const dict_index_t *	index
	)

Search the index specific cache for a particular FTS index.

Returns: the index cache else NULL

Parameters

cache	in: cache to search
index	in: index to search for

Definition at line 1148 of file fts0fts.cc.

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UNIV_INTERN CHARSET_INFO* fts_index_get_charset ( dict_index_t * index )

Create an FTS index cache.

Parameters

index in: FTS index

Definition at line 955 of file fts0fts.cc.

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UNIV_INLINE ibool fts_is_stop_signalled ( fts_t * fts )

Parameters

fts	in: fts instance

Definition at line 327 of file fts0fts.cc.

UNIV_INTERN void fts_que_graph_free_check_lock	(	fts_table_t *	fts_table,
		const fts_index_cache_t *	index_cache,
		que_t *	graph
	)

Free the query graph but check whether dict_sys->mutex is already held

Parameters

fts_table	in: FTS table
index_cache	in: FTS index cache
graph	in: query graph

Definition at line 918 of file fts0fts.cc.

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Variable Documentation

const char* fts_default_stopword[]

InnoDB default stopword list:

There are different versions of stopwords, the stop words listed below comes from "Google Stopword" list. Reference: http://meta.wikimedia.org/wiki/Stop_word_list/google_stop_word_list. The final version of InnoDB default stopword list is still pending for decision

Definition at line 107 of file fts0fts.cc.

const fts_index_selector_t fts_index_selector[]

Initial value:

 {
        { 9, "INDEX_1" },
        { 65, "INDEX_2" },
        { 70, "INDEX_3" },
        { 75, "INDEX_4" },
        { 80, "INDEX_5" },
        { 85, "INDEX_6" },
        {  0 , NULL      }
}

FTS auxiliary INDEX split intervals.

Definition at line 223 of file fts0fts.cc.

UNIV_INTERN char* fts_internal_tbl_name = NULL

variable to record innodb_fts_internal_tbl_name for information

schema table INNODB_FTS_INSERTED etc.

Definition at line 99 of file fts0fts.cc.

UNIV_INTERN ulong fts_max_cache_size

This is maximum FTS cache for each table and would be

a configurable variable

Definition at line 49 of file fts0fts.cc.

UNIV_INTERN ulong fts_max_token_size

Variable specifying the maximum FTS max token size

Definition at line 63 of file fts0fts.cc.

UNIV_INTERN ulong fts_max_total_cache_size

Variable specifying the total memory allocated for FTS cache

Definition at line 56 of file fts0fts.cc.

UNIV_INTERN ulong fts_min_token_size

Variable specifying the minimum FTS max token size

Definition at line 66 of file fts0fts.cc.

UNIV_INTERN bool fts_need_sync = false

Whether the total memory used for FTS cache is exhausted, and we will

need a sync to free some memory

Definition at line 53 of file fts0fts.cc.

UNIV_INTERN ulong fts_result_cache_limit

This is FTS result cache limit for each query and would be

a configurable variable

Definition at line 60 of file fts0fts.cc.

const ulint UTF8_ERROR = 0xFFFFFFFF

Error condition reported by fts_utf8_decode()

Definition at line 74 of file fts0fts.cc.

Classes

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

Function Documentation

Variable Documentation