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90 lines
2.8 KiB
90 lines
2.8 KiB
/* Copyright (c) 2017, 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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#ifndef SQL_EXCHANGE_INCLUDED
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#define SQL_EXCHANGE_INCLUDED
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struct CHARSET_INFO;
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class String;
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enum enum_filetype { FILETYPE_CSV, FILETYPE_XML };
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/**
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Helper for the sql_exchange class
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*/
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struct Line_separators {
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const String *line_term;
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const String *line_start;
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void cleanup() { line_term = line_start = nullptr; }
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void merge_line_separators(const Line_separators &s) {
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if (s.line_term != nullptr) line_term = s.line_term;
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if (s.line_start != nullptr) line_start = s.line_start;
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}
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};
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/**
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Helper for the sql_exchange class
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*/
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struct Field_separators {
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const String *field_term;
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const String *escaped;
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const String *enclosed;
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bool opt_enclosed;
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void cleanup() {
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field_term = escaped = enclosed = nullptr;
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opt_enclosed = false;
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}
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void merge_field_separators(const Field_separators &s) {
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if (s.field_term != nullptr) field_term = s.field_term;
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if (s.escaped != nullptr) escaped = s.escaped;
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if (s.enclosed != nullptr) enclosed = s.enclosed;
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// TODO: a bug?
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// OPTIONALLY ENCLOSED BY x ENCLOSED BY y == OPTIONALLY ENCLOSED BY y
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if (s.opt_enclosed) opt_enclosed = s.opt_enclosed;
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}
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};
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/**
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Used to hold information about file and file structure in exchange
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via non-DB file (...INTO OUTFILE..., ...LOAD DATA...)
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XXX: We never call destructor for objects of this class.
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*/
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class sql_exchange final {
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public:
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Field_separators field;
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Line_separators line;
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enum enum_filetype filetype; /* load XML, Added by Arnold & Erik */
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const char *file_name;
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bool dumpfile;
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unsigned long skip_lines;
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const CHARSET_INFO *cs;
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sql_exchange(const char *name, bool dumpfile_flag,
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enum_filetype filetype_arg = FILETYPE_CSV);
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bool escaped_given(void);
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};
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#endif
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