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51 lines
1.8 KiB
51 lines
1.8 KiB
5 months ago
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/*
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Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
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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, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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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/*
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Hash accessor function for lexical scanners:
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* sql_lex.h, sql_lex.cc,
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* sql_lex_hints.h, sql_lex_hints.cc.
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*/
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#ifndef SQL_LEX_HASH_INCLUDED
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#define SQL_LEX_HASH_INCLUDED
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class Lex_hash {
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private:
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const unsigned char *hash_map;
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const unsigned int entry_max_len;
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public:
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Lex_hash(const unsigned char *hash_map_arg, unsigned int entry_max_len_arg)
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: hash_map(hash_map_arg), entry_max_len(entry_max_len_arg) {}
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const struct SYMBOL *get_hash_symbol(const char *s, unsigned int len) const;
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static const Lex_hash sql_keywords;
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static const Lex_hash sql_keywords_and_funcs;
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static const Lex_hash hint_keywords;
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};
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#endif /* SQL_LEX_HASH_INCLUDED */
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