mirror of
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e4e2e5024a
in older version.
The problem is that TRN-files created in "old" versions contain
junk in trigger_table field, which is not acceptable in "new" versions.
sql/parse_file.cc:
1. Made parse_escaped_string() available globally;
2. Polishing: fixing the comments.
sql/parse_file.h:
Made parse_escaped_string() available globally.
sql/sql_trigger.cc:
1. Polishing
2. Removed declaration of global handle_old_incorrect_sql_modes()
since it is not used anymore.
3. Added a hook to support invalid "trigger_table" field in TRN-file
from old versions.
110 lines
3.7 KiB
C++
110 lines
3.7 KiB
C++
/* -*- C++ -*- */
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/* Copyright (C) 2004 MySQL AB
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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; either version 2 of the License, or
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(at your option) any later version.
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef _PARSE_FILE_H_
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#define _PARSE_FILE_H_
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#define PARSE_FILE_TIMESTAMPLENGTH 19
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enum file_opt_type {
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FILE_OPTIONS_STRING, /* String (LEX_STRING) */
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FILE_OPTIONS_ESTRING, /* Escaped string (LEX_STRING) */
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FILE_OPTIONS_ULONGLONG, /* ulonglong parameter (ulonglong) */
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FILE_OPTIONS_REV, /* Revision version number (ulonglong) */
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FILE_OPTIONS_TIMESTAMP, /* timestamp (LEX_STRING have to be
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allocated with length 20 (19+1) */
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FILE_OPTIONS_STRLIST, /* list of escaped strings
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(List<LEX_STRING>) */
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FILE_OPTIONS_ULLLIST /* list of ulonglong values
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(List<ulonglong>) */
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};
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struct File_option
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{
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LEX_STRING name; /* Name of the option */
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int offset; /* offset to base address of value */
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file_opt_type type; /* Option type */
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};
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/*
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This hook used to catch no longer supported keys and process them for
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backward compatibility.
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*/
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class Unknown_key_hook
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{
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public:
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Unknown_key_hook() {} /* Remove gcc warning */
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virtual ~Unknown_key_hook() {} /* Remove gcc warning */
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virtual bool process_unknown_string(char *&unknown_key, gptr base,
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MEM_ROOT *mem_root, char *end)= 0;
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};
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/* Dummy hook for parsers which do not need hook for unknown keys */
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class File_parser_dummy_hook: public Unknown_key_hook
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{
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public:
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File_parser_dummy_hook() {} /* Remove gcc warning */
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virtual bool process_unknown_string(char *&unknown_key, gptr base,
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MEM_ROOT *mem_root, char *end);
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};
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extern File_parser_dummy_hook file_parser_dummy_hook;
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bool get_file_options_ulllist(char *&ptr, char *end, char *line,
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gptr base, File_option *parameter,
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MEM_ROOT *mem_root);
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char *
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parse_escaped_string(char *ptr, char *end, MEM_ROOT *mem_root, LEX_STRING *str);
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class File_parser;
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File_parser *sql_parse_prepare(const LEX_STRING *file_name,
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MEM_ROOT *mem_root, bool bad_format_errors);
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my_bool
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sql_create_definition_file(const LEX_STRING *dir, const LEX_STRING *file_name,
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const LEX_STRING *type,
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gptr base, File_option *parameters, uint versions);
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my_bool rename_in_schema_file(const char *schema, const char *old_name,
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const char *new_name, ulonglong revision,
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uint num_view_backups);
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class File_parser: public Sql_alloc
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{
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char *buff, *start, *end;
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LEX_STRING file_type;
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my_bool content_ok;
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public:
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File_parser() :buff(0), start(0), end(0), content_ok(0)
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{ file_type.str= 0; file_type.length= 0; }
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my_bool ok() { return content_ok; }
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LEX_STRING *type() { return &file_type; }
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my_bool parse(gptr base, MEM_ROOT *mem_root,
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struct File_option *parameters, uint required,
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Unknown_key_hook *hook);
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friend File_parser *sql_parse_prepare(const LEX_STRING *file_name,
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MEM_ROOT *mem_root,
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bool bad_format_errors);
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};
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#endif /* _PARSE_FILE_H_ */
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