1/*****************************************************************************
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3Copyright (c) 2011, 2018, Oracle and/or its affiliates. All Rights Reserved.
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2351 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
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25*****************************************************************************/
26
27/** @file include/fts0priv.ic
28 Full text search internal header file
29
30 Created 2011/11/12 Sunny Bains
31 ***********************************************************************/
32
33/** Write the table id to the given buffer (including final NUL). Buffer must be
34 at least FTS_AUX_MIN_TABLE_ID_LENGTH bytes long.
35 @param[in]	id	a table/index id
36 @param[in]	str	buffer to write the id to
37 @return number of bytes written */
38UNIV_INLINE
39int fts_write_object_id(ib_id_t id, char *str) {
40  return (sprintf(str, UINT64PFx, id));
41}
42
43/** Read the table id from the string generated by fts_write_object_id().
44 @return true if parse successful */
45UNIV_INLINE
46ibool fts_read_object_id(ib_id_t *id,     /* out: an id */
47                         const char *str) /* in: buffer to read from */
48{
49  /* NOTE: this func doesn't care about whether current table
50  is set with HEX_NAME, the user of the id read here will check
51  if the id is HEX or DEC and do the right thing with it. */
52  return (sscanf(str, UINT64PFx, id) == 1);
53}
54
55/** Compare two fts_trx_table_t instances.
56 @return < 0 if n1 < n2, 0 if n1 == n2, > 0 if n1 > n2 */
57UNIV_INLINE
58int fts_trx_table_cmp(const void *p1, /*!< in: id1 */
59                      const void *p2) /*!< in: id2 */
60{
61  const dict_table_t *table1 =
62      (*static_cast<const fts_trx_table_t *const *>(p1))->table;
63
64  const dict_table_t *table2 =
65      (*static_cast<const fts_trx_table_t *const *>(p2))->table;
66
67  return ((table1->id > table2->id) ? 1 : (table1->id == table2->id) ? 0 : -1);
68}
69
70/** Compare a table id with a fts_trx_table_t table id.
71 @return < 0 if n1 < n2, 0 if n1 == n2,> 0 if n1 > n2 */
72UNIV_INLINE
73int fts_trx_table_id_cmp(const void *p1, /*!< in: id1 */
74                         const void *p2) /*!< in: id2 */
75{
76  const uintmax_t *table_id = static_cast<const uintmax_t *>(p1);
77  const dict_table_t *table2 =
78      (*static_cast<const fts_trx_table_t *const *>(p2))->table;
79
80  return ((*table_id > table2->id) ? 1 : (*table_id == table2->id) ? 0 : -1);
81}
82