1/*****************************************************************************
2
3Copyright (c) 2011, 2016, Oracle and/or its affiliates. All Rights Reserved.
4
5This program is free software; you can redistribute it and/or modify it under
6the terms of the GNU General Public License as published by the Free Software
7Foundation; version 2 of the License.
8
9This program is distributed in the hope that it will be useful, but WITHOUT
10ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
12
13You should have received a copy of the GNU General Public License along with
14this program; if not, write to the Free Software Foundation, Inc.,
1551 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
16
17*****************************************************************************/
18
19/******************************************************************//**
20@file include/fts0priv.ic
21Full text search internal header file
22
23Created 2011/11/12 Sunny Bains
24***********************************************************************/
25
26/******************************************************************//**
27Write the table id to the given buffer (including final NUL). Buffer must be
28at least FTS_AUX_MIN_TABLE_ID_LENGTH bytes long.
29@return number of bytes written */
30UNIV_INLINE
31int
32fts_write_object_id(
33/*================*/
34 ib_id_t id, /* in: a table/index id */
35 char* str, /* in: buffer to write the id to */
36 bool hex_format MY_ATTRIBUTE((unused)))
37 /* in: true for fixed hex format,
38 false for old ambiguous format */
39{
40
41#ifdef _WIN32
42
43 DBUG_EXECUTE_IF("innodb_test_wrong_non_windows_fts_aux_table_name",
44 return(sprintf(str, UINT64PFx, id)););
45
46 /* Use this to construct old(5.6.14 and 5.7.3) windows
47 ambiguous aux table names */
48 DBUG_EXECUTE_IF("innodb_test_wrong_fts_aux_table_name",
49 return(sprintf(str, "%016llu", (ulonglong) id)););
50
51#else /* _WIN32 */
52
53 /* Use this to construct old(5.6.14 and 5.7.3) windows
54 ambiguous aux table names */
55 DBUG_EXECUTE_IF("innodb_test_wrong_windows_fts_aux_table_name",
56 return(sprintf(str, "%016llu", (ulonglong) id)););
57
58 DBUG_EXECUTE_IF("innodb_test_wrong_fts_aux_table_name",
59 return(sprintf(str, "%016llx", (ulonglong) id)););
60
61#endif /* _WIN32 */
62
63 /* As above, but this is only for those tables failing to rename. */
64 if (!hex_format) {
65 return(sprintf(str, "%016llu", (ulonglong) id));
66 }
67
68 return(sprintf(str, "%016llx", (ulonglong) id));
69}
70
71/******************************************************************//**
72Read the table id from the string generated by fts_write_object_id().
73@return TRUE if parse successful */
74UNIV_INLINE
75ibool
76fts_read_object_id(
77/*===============*/
78 ib_id_t* id, /* out: an id */
79 const char* str) /* in: buffer to read from */
80{
81 /* NOTE: this func doesn't care about whether current table
82 is set with HEX_NAME, the user of the id read here will check
83 if the id is HEX or DEC and do the right thing with it. */
84 return(sscanf(str, UINT64PFx, id) == 1);
85}
86
87/******************************************************************//**
88Compare two fts_trx_table_t instances.
89@return < 0 if n1 < n2, 0 if n1 == n2, > 0 if n1 > n2 */
90UNIV_INLINE
91int
92fts_trx_table_cmp(
93/*==============*/
94 const void* p1, /*!< in: id1 */
95 const void* p2) /*!< in: id2 */
96{
97 const dict_table_t* table1
98 = (*static_cast<const fts_trx_table_t* const*>(p1))->table;
99
100 const dict_table_t* table2
101 = (*static_cast<const fts_trx_table_t* const*>(p2))->table;
102
103 return((table1->id > table2->id)
104 ? 1
105 : (table1->id == table2->id)
106 ? 0
107 : -1);
108}
109
110/******************************************************************//**
111Compare a table id with a fts_trx_table_t table id.
112@return < 0 if n1 < n2, 0 if n1 == n2,> 0 if n1 > n2 */
113UNIV_INLINE
114int
115fts_trx_table_id_cmp(
116/*=================*/
117 const void* p1, /*!< in: id1 */
118 const void* p2) /*!< in: id2 */
119{
120 const uintmax_t* table_id = static_cast<const uintmax_t*>(p1);
121 const dict_table_t* table2
122 = (*static_cast<const fts_trx_table_t* const*>(p2))->table;
123
124 return((*table_id > table2->id)
125 ? 1
126 : (*table_id == table2->id)
127 ? 0
128 : -1);
129}
130