fts0types.ic File Reference

Full text search types. More...

#include "ha_prototypes.h"
#include "rem0cmp.h"

Macros
#define	INNOBASE_FTS0TYPES_IC

Functions
void	fts_string_dup (fts_string_t *dst, const fts_string_t *src, mem_heap_t *heap)
	Duplicate a string. More...
int	fts_doc_id_cmp (doc_id_t id1, doc_id_t id2)
	Compare two doc_ids. More...
template<typename T >
int	fts_doc_id_field_cmp (const void *p1, const void *p2)
	Compare doc_ids of 2 objects. More...
ulint	innobase_strnxfrm (const CHARSET_INFO *cs, const uchar *p2, const ulint len2)
	Get the first character's code position for FTS index partition. More...
bool	fts_is_charset_cjk (const CHARSET_INFO *cs)
	Check if fts index charset is cjk. More...
ulint	fts_select_index_by_range (const CHARSET_INFO *cs, const byte *str, ulint len)
	Select the FTS auxiliary index for the given character by range. More...
ulint	fts_select_index_by_hash (const CHARSET_INFO *cs, const byte *str, ulint len)
	Select the FTS auxiliary index for the given character by hash. More...
ulint	fts_select_index (const CHARSET_INFO *cs, const byte *str, ulint len)
	Select the FTS auxiliary table for the given character. More...
const char *	fts_get_suffix (ulint selected)
	Return the selected FTS aux index suffix. More...
const char *	fts_get_suffix_5_7 (ulint selected)
	Return the selected FTS aux index suffix in 5.7 compatible format. More...

Detailed Description

Full text search types.

Created 2007-03-27 Sunny Bains

Macro Definition Documentation

INNOBASE_FTS0TYPES_IC

#define INNOBASE_FTS0TYPES_IC

Function Documentation

fts_doc_id_cmp()

int fts_doc_id_cmp ( doc_id_t  id1, doc_id_t  id2  )

inline

Compare two doc_ids.

Parameters

[in]	id1	1st doc_id to compare
[in]	id2	2nd doc_id to compare

Returns

< 0 if id1 < id2, 0 if id1 == id2, > 0 if id1 > id2

fts_doc_id_field_cmp()

template<typename T >

int fts_doc_id_field_cmp	(	const void *	p1,
		const void *	p2
	)

Compare doc_ids of 2 objects.

Parameters

[in]	p1	Pointer to first instance o1 of T
[in]	p2	Pointer to second instance o2 of T

Returns

sign(o1->doc_id - o2->doc_id)

fts_get_suffix()

const char * fts_get_suffix ( ulint  selected )

inline

Return the selected FTS aux index suffix.

Get the selected FTS aux INDEX suffix.

Parameters

selected

in: selected index

fts_get_suffix_5_7()

const char * fts_get_suffix_5_7 ( ulint  selected )

inline

Return the selected FTS aux index suffix in 5.7 compatible format.

Parameters

[in]

selected

selected index

Returns

the suffix name

fts_is_charset_cjk()

bool fts_is_charset_cjk ( const CHARSET_INFO *  cs )

inline

Check if fts index charset is cjk.

Parameters

[in]

cs

charset

Return values

true	if the charset is cjk
false	if not.

fts_select_index()

ulint fts_select_index ( const CHARSET_INFO *  cs, const byte *  str, ulint  len  )

inline

Select the FTS auxiliary table for the given character.

Parameters

[in]	cs	charset
[in]	str	string
[in]	len	string length in bytes

Return values

the	auxiliary table number to use for the string, zero-based

fts_select_index_by_hash()

ulint fts_select_index_by_hash ( const CHARSET_INFO *  cs, const byte *  str, ulint  len  )

inline

Select the FTS auxiliary index for the given character by hash.

Parameters

[in]	cs	charset
[in]	str	string
[in]	len	string length

Return values

the	index to use for the string

fts_select_index_by_range()

ulint fts_select_index_by_range ( const CHARSET_INFO *  cs, const byte *  str, ulint  len  )

inline

Select the FTS auxiliary index for the given character by range.

Parameters

[in]	cs	charset
[in]	str	string
[in]	len	string length

Return values

the	index to use for the string

fts_string_dup()

void fts_string_dup ( fts_string_t *  dst, const fts_string_t *  src, mem_heap_t *  heap  )

inline

Duplicate a string.

Parameters

[in]	dst	dup to here
[in]	src	src string
[in]	heap	heap to use

Parameters

dst	in: dup to here
src	in: src string
heap	in: heap to use

innobase_strnxfrm()

ulint innobase_strnxfrm	(	const CHARSET_INFO *	cs,
		const uchar *	p2,
		const ulint	len2
	)

Get the first character's code position for FTS index partition.

Parameters

[in]	cs	Character set
[in]	p2	string
[in]	len2	string length