polardbxengine/storage/innobase/include/fts0priv.ic

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/*****************************************************************************
Copyright (c) 2011, 2018, Oracle and/or its affiliates. All Rights Reserved.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License, version 2.0, as published by the
Free Software Foundation.
This program is also distributed with certain software (including but not
limited to OpenSSL) that is licensed under separate terms, as designated in a
particular file or component or in included license documentation. The authors
of MySQL hereby grant you an additional permission to link the program and
your derivative works with the separately licensed software that they have
included with MySQL.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*****************************************************************************/
/** @file include/fts0priv.ic
Full text search internal header file
Created 2011/11/12 Sunny Bains
***********************************************************************/
/** Write the table id to the given buffer (including final NUL). Buffer must be
at least FTS_AUX_MIN_TABLE_ID_LENGTH bytes long.
@param[in] id a table/index id
@param[in] str buffer to write the id to
@return number of bytes written */
UNIV_INLINE
int fts_write_object_id(ib_id_t id, char *str) {
return (sprintf(str, UINT64PFx, id));
}
/** Read the table id from the string generated by fts_write_object_id().
@return true if parse successful */
UNIV_INLINE
ibool fts_read_object_id(ib_id_t *id, /* out: an id */
const char *str) /* in: buffer to read from */
{
/* NOTE: this func doesn't care about whether current table
is set with HEX_NAME, the user of the id read here will check
if the id is HEX or DEC and do the right thing with it. */
return (sscanf(str, UINT64PFx, id) == 1);
}
/** Compare two fts_trx_table_t instances.
@return < 0 if n1 < n2, 0 if n1 == n2, > 0 if n1 > n2 */
UNIV_INLINE
int fts_trx_table_cmp(const void *p1, /*!< in: id1 */
const void *p2) /*!< in: id2 */
{
const dict_table_t *table1 =
(*static_cast<const fts_trx_table_t *const *>(p1))->table;
const dict_table_t *table2 =
(*static_cast<const fts_trx_table_t *const *>(p2))->table;
return ((table1->id > table2->id) ? 1 : (table1->id == table2->id) ? 0 : -1);
}
/** Compare a table id with a fts_trx_table_t table id.
@return < 0 if n1 < n2, 0 if n1 == n2,> 0 if n1 > n2 */
UNIV_INLINE
int fts_trx_table_id_cmp(const void *p1, /*!< in: id1 */
const void *p2) /*!< in: id2 */
{
const uintmax_t *table_id = static_cast<const uintmax_t *>(p1);
const dict_table_t *table2 =
(*static_cast<const fts_trx_table_t *const *>(p2))->table;
return ((*table_id > table2->id) ? 1 : (*table_id == table2->id) ? 0 : -1);
}