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MySQL.php
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MySQL.php
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<?php
/* ===========================================================================
* Copyright 2018 Zindex Software
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================================ */
namespace Opis\Database\Schema\Compiler;
use Opis\Database\Schema\{
Compiler, BaseColumn, AlterTable
};
class MySQL extends Compiler
{
/** @var string */
protected $wrapper = '`%s`';
/**
* @inheritdoc
*/
protected function handleTypeInteger(BaseColumn $column): string
{
switch ($column->get('size', 'normal')) {
case 'tiny':
return 'TINYINT';
case 'small':
return 'SMALLINT';
case 'medium':
return 'MEDIUMINT';
case 'big':
return 'BIGINT';
}
return 'INT';
}
/**
* @inheritdoc
*/
protected function handleTypeDecimal(BaseColumn $column): string
{
if (null !== $l = $column->get('length')) {
if (null === $p = $column->get('precision')) {
return 'DECIMAL(' . $this->value($l) . ')';
}
return 'DECIMAL(' . $this->value($l) . ', ' . $this->value($p) . ')';
}
return 'DECIMAL';
}
/**
* @inheritdoc
*/
protected function handleTypeBoolean(BaseColumn $column): string
{
return 'TINYINT(1)';
}
/**
* @inheritdoc
*/
protected function handleTypeText(BaseColumn $column): string
{
switch ($column->get('size', 'normal')) {
case 'tiny':
case 'small':
return 'TINYTEXT';
case 'medium':
return 'MEDIUMTEXT';
case 'big':
return 'LONGTEXT';
}
return 'TEXT';
}
/**
* @inheritdoc
*/
protected function handleTypeBinary(BaseColumn $column): string
{
switch ($column->get('size', 'normal')) {
case 'tiny':
case 'small':
return 'TINYBLOB';
case 'medium':
return 'MEDIUMBLOB';
case 'big':
return 'LONGBLOB';
}
return 'BLOB';
}
/**
* @inheritdoc
*/
protected function handleDropPrimaryKey(AlterTable $table, $data): string
{
return 'ALTER TABLE ' . $this->wrap($table->getTableName()) . ' DROP PRIMARY KEY';
}
/**
* @inheritdoc
*/
protected function handleDropUniqueKey(AlterTable $table, $data): string
{
return 'ALTER TABLE ' . $this->wrap($table->getTableName()) . ' DROP INDEX ' . $this->wrap($data);
}
/**
* @inheritdoc
*/
protected function handleDropIndex(AlterTable $table, $data): string
{
return 'ALTER TABLE ' . $this->wrap($table->getTableName()) . ' DROP INDEX ' . $this->wrap($data);
}
/**
* @inheritdoc
*/
protected function handleDropForeignKey(AlterTable $table, $data): string
{
return 'ALTER TABLE ' . $this->wrap($table->getTableName()) . ' DROP FOREIGN KEY ' . $this->wrap($data);
}
/**
* @inheritdoc
*/
protected function handleSetDefaultValue(AlterTable $table, $data): string
{
return 'ALTER TABLE ' . $this->wrap($table->getTableName()) . ' ALTER '
. $this->wrap($data['column']) . ' SET DEFAULT ' . $this->value($data['value']);
}
/**
* @inheritdoc
*/
protected function handleDropDefaultValue(AlterTable $table, $data): string
{
return 'ALTER TABLE ' . $this->wrap($table->getTableName()) . ' ALTER ' . $this->wrap($data) . ' DROP DEFAULT';
}
/**
* @inheritdoc
* @throws \Exception
*/
protected function handleRenameColumn(AlterTable $table, $data): string
{
$table_name = $table->getTableName();
$column_name = $data['from'];
/** @var BaseColumn $column */
$column = $data['column'];
$new_name = $column->getName();
$columns = $this->connection->getSchema()->getColumns($table_name, false, false);
$column_type = isset($columns[$column_name]) ? $columns[$column_name]['type'] : 'integer';
return 'ALTER TABLE ' . $this->wrap($table_name) . ' CHANGE ' . $this->wrap($column_name)
. ' ' . $this->wrap($new_name) . ' ' . $column_type;
}
}