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a7e352b54d
This was done in, among other things: - thd->db and thd->db_length - TABLE_LIST tablename, db, alias and schema_name - Audit plugin database name - lex->db - All db and table names in Alter_table_ctx - st_select_lex db Other things: - Changed a lot of functions to take const LEX_CSTRING* as argument for db, table_name and alias. See init_one_table() as an example. - Changed some function arguments from LEX_CSTRING to const LEX_CSTRING - Changed some lists from LEX_STRING to LEX_CSTRING - threads_mysql.result changed because process list_db wasn't always correctly updated - New append_identifier() function that takes LEX_CSTRING* as arguments - Added new element tmp_buff to Alter_table_ctx to separate temp name handling from temporary space - Ensure we store the length after my_casedn_str() of table/db names - Removed not used version of rename_table_in_stat_tables() - Changed Natural_join_column::table_name and db_name() to never return NULL (used for print) - thd->get_db() now returns db as a printable string (thd->db.str or "")
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/*
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Copyright (c) 2018, MariaDB Corporation.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef LEX_STRING_INCLUDED
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#define LEX_STRING_INCLUDED
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typedef struct st_mysql_const_lex_string LEX_CSTRING;
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/* Functions to compare if two lex strings are equal */
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inline bool lex_string_cmp(CHARSET_INFO *charset,
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const LEX_CSTRING *a,
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const LEX_CSTRING *b)
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{
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return my_strcasecmp(charset, a->str, b->str);
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}
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/*
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Compare to LEX_CSTRING's and return 0 if equal
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*/
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inline bool cmp(const LEX_CSTRING *a, const LEX_CSTRING *b)
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{
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return (a->length != b->length ||
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memcmp(a->str, b->str, a->length));
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}
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/*
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Compare if two LEX_CSTRING are equal. Assumption is that
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character set is ASCII (like for plugin names)
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*/
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inline bool lex_string_eq(const LEX_CSTRING *a,
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const LEX_CSTRING *b)
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{
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if (a->length != b->length)
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return 1; /* Different */
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return strcasecmp(a->str, b->str) != 0;
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}
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#endif /* LEX_STRING_INCLUDED */
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