fts0plugin.cc File Reference

Full Text Search plugin support. More...

#include "fts0plugin.h"
#include "ft_global.h"
#include "fts0ast.h"
#include "fts0tokenize.h"
#include "mysql/plugin.h"

Functions
static int	fts_default_parser_init (MYSQL_FTPARSER_PARAM *param)
	FTS default parser init. More...
static int	fts_default_parser_deinit (MYSQL_FTPARSER_PARAM *param)
	FTS default parser deinit. More...
static int	fts_default_parser_parse (MYSQL_FTPARSER_PARAM *param)
	FTS default parser parse from ft_static.c in MYISAM. More...
static fts_ast_node_t *	fts_query_get_oper_node (MYSQL_FTPARSER_BOOLEAN_INFO *info, fts_ast_state_t *state)
	Get a operator node from token boolean info. More...
static int	fts_query_add_word_for_parser (MYSQL_FTPARSER_PARAM *param, char *word, int word_len, MYSQL_FTPARSER_BOOLEAN_INFO *info)
	FTS plugin parser 'myql_add_word' callback function for query parse. More...
static int	fts_parse_query_internal (MYSQL_FTPARSER_PARAM *param, char *query, int len)
	FTS plugin parser 'myql_parser' callback function for query parse. More...
int	fts_parse_by_parser (bool mode, uchar *query_str, ulint query_len, st_mysql_ftparser *parser, fts_ast_state_t *state)
	fts parse query by plugin parser. More...

Variables
struct st_mysql_ftparser	fts_default_parser

Detailed Description

Full Text Search plugin support.

Created 2013/06/04 Shaohua Wang

Function Documentation

fts_default_parser_deinit()

static int fts_default_parser_deinit ( MYSQL_FTPARSER_PARAM *  param )

static

FTS default parser deinit.

Returns

0

Parameters

param

in: plugin parser param

fts_default_parser_init()

static int fts_default_parser_init ( MYSQL_FTPARSER_PARAM *  param )

static

FTS default parser init.

Returns

0

Parameters

param

in: plugin parser param

fts_default_parser_parse()

static int fts_default_parser_parse ( MYSQL_FTPARSER_PARAM *  param )

static

FTS default parser parse from ft_static.c in MYISAM.

Returns

0 if parse successfully, or return non-zero

Parameters

param

in: plugin parser param

fts_parse_by_parser()

int fts_parse_by_parser	(	bool	mode,
		uchar *	query_str,
		ulint	query_len,
		st_mysql_ftparser *	parser,
		fts_ast_state_t *	state
	)

fts parse query by plugin parser.

Returns

0 if parse successfully, or return non-zero.

Parameters

mode	in: parse boolean mode
query_str	in: query string
query_len	in: query string length
parser	in: fts plugin parser
state	in/out: parser state

fts_parse_query_internal()

static int fts_parse_query_internal ( MYSQL_FTPARSER_PARAM *  param, char *  query, int  len  )

static

FTS plugin parser 'myql_parser' callback function for query parse.

Refer to 'MYSQL_FTPARSER_PARAM' for more detail.

Returns

0 if parse successfully

Parameters

param	in: parser param
query	in: query string
len	in: query length

fts_query_add_word_for_parser()

static int fts_query_add_word_for_parser ( MYSQL_FTPARSER_PARAM *  param, char *  word, int  word_len, MYSQL_FTPARSER_BOOLEAN_INFO *  info  )

static

FTS plugin parser 'myql_add_word' callback function for query parse.

Refer to 'MYSQL_FTPARSER_PARAM' for more detail. Note: a. Parse logic refers to 'ftb_query_add_word' from ft_boolean_search.c in MYISAM; b. Parse node or tree refers to fts0pars.y.

Returns

0 if add successfully, or return non-zero.

Parameters

param	in: parser param
word	in: token
word_len	in: token length
info	in: token info

fts_query_get_oper_node()

static fts_ast_node_t * fts_query_get_oper_node ( MYSQL_FTPARSER_BOOLEAN_INFO *  info, fts_ast_state_t *  state  )

static

Get a operator node from token boolean info.

Returns

node

Parameters

info	in: token info
state	in/out: query parse state

Variable Documentation

fts_default_parser

struct st_mysql_ftparser fts_default_parser

Initial value:

= {
    MYSQL_FTPARSER_INTERFACE_VERSION, fts_default_parser_parse,
    fts_default_parser_init, fts_default_parser_deinit}