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123 lines
4.3 KiB
123 lines
4.3 KiB
// Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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//
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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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//
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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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//
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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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//
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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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/// @file
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///
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/// This file declares the interface of classes Sql_cmd_create_srs and
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/// Sql_cmd_drop_srs, which handles the CREATE/DROP SPATIAL REFERENCE
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/// SYSTEM statements, respectively.
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#ifndef SQL_SQL_CMD_SRS_H_INCLUDED
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#define SQL_SQL_CMD_SRS_H_INCLUDED
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#include "my_sqlcommand.h" // SQLCOM_CREATE_SRS, SQLCOM_DROP_SRS
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#include "mysql/mysql_lex_string.h" // MYSQL_LEX_STRING
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#include "sql/dd/types/spatial_reference_system.h"
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#include "sql/gis/srid.h" // gis::srid_t
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#include "sql/sql_cmd.h"
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class THD;
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struct Sql_cmd_srs_attributes {
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MYSQL_LEX_STRING srs_name;
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MYSQL_LEX_STRING definition;
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MYSQL_LEX_STRING organization;
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unsigned long long organization_coordsys_id;
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MYSQL_LEX_STRING description;
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Sql_cmd_srs_attributes()
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: srs_name({nullptr, 0}),
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definition({nullptr, 0}),
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organization({nullptr, 0}),
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organization_coordsys_id(0),
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description({nullptr, 0}) {}
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};
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class Sql_cmd_create_srs final : public Sql_cmd {
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public:
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Sql_cmd_create_srs() {}
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void init(bool or_replace, bool if_not_exists, gis::srid_t srid,
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MYSQL_LEX_STRING srs_name, MYSQL_LEX_STRING definition,
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MYSQL_LEX_STRING organization, gis::srid_t organization_coordsys_id,
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MYSQL_LEX_STRING description) {
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m_or_replace = or_replace;
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m_if_not_exists = if_not_exists;
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m_srid = srid;
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m_srs_name = srs_name;
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m_definition = definition;
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m_organization = organization;
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m_organization_coordsys_id = organization_coordsys_id;
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m_description = description;
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}
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enum_sql_command sql_command_code() const override {
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return SQLCOM_CREATE_SRS;
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}
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bool execute(THD *thd) override;
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/// Fill an SRS with information from this CREATE statement (except the ID).
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///
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/// @param[in,out] srs The SRS.
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///
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/// @retval false Success.
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/// @retval true An error occurred (i.e., invalid SRS definition). The error
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/// has been reported with my_error.
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bool fill_srs(dd::Spatial_reference_system *srs);
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private:
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/// Whether OR REPLACE was specified.
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bool m_or_replace = false;
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/// Whether IF NOT EXISTS was specified
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bool m_if_not_exists = false;
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/// The SRID of the new SRS.
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gis::srid_t m_srid = 0;
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/// The name of the new SRS.
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///
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/// The value is always a valid name (verified by PT_create_srs), but it may
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/// be a duplicate of an existing one.
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MYSQL_LEX_STRING m_srs_name;
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/// The definition of the new SRS.
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///
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/// The definition is not parsed and validated until the SRS is created.
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MYSQL_LEX_STRING m_definition;
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/// Organization that is the source of the SRS definition.
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MYSQL_LEX_STRING m_organization;
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/// Source organization's SRS ID.
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gis::srid_t m_organization_coordsys_id = 0;
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/// Description of the new SRS.
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MYSQL_LEX_STRING m_description;
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};
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class Sql_cmd_drop_srs final : public Sql_cmd {
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public:
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Sql_cmd_drop_srs(gis::srid_t srid, bool if_exists)
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: m_srid(srid), m_if_exists(if_exists) {}
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enum_sql_command sql_command_code() const override { return SQLCOM_DROP_SRS; }
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bool execute(THD *thd) override;
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private:
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/// SRID of the SRS to drop.
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gis::srid_t m_srid;
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/// Whether IF EXISTS was specified.
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bool m_if_exists;
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};
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#endif // SQL_SQL_CMD_SRS_H_INCLUDED
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