OracleMigrator::generateTemporaryTableName() - Code Metrics - Inspection of "Merge pull request #24384 from nextcloud/cleanup/r..." - nextcloud/server - Measure and Improve Code Quality continuously with Scrutinizer

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by Morris

created 2021-03-17 20:29 UTC

OracleMigrator::generateTemporaryTableName() A

↳ Parent: OracleMigrator::convertStatementToScript()

Complexity

Conditions	1
Paths	1

Size

Total Lines	2
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	1
dl	0
loc	2
rs	10
c	0
b	0
f	0

<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Christoph Wurst <[email protected]>
 * @author Joas Schilling <[email protected]>
 * @author Jörn Friedrich Dreyer <[email protected]>
 * @author Morris Jobke <[email protected]>
 * @author Piotr Mrowczynski <[email protected]>
 * @author Robin Appelman <[email protected]>
 * @author Roeland Jago Douma <[email protected]>
 * @author Thomas Müller <[email protected]>
 * @author Victor Dubiniuk <[email protected]>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\DB;

use Doctrine\DBAL\Exception;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\ColumnDiff;
use Doctrine\DBAL\Schema\ForeignKeyConstraint;
use Doctrine\DBAL\Schema\Index;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Schema\Table;

class OracleMigrator extends Migrator {

	/**
	 * Quote a column's name but changing the name requires recreating
	 * the column instance and copying over all properties.
	 *
	 * @param Column $column old column
	 * @return Column new column instance with new name
	 */
	protected function quoteColumn(Column $column) {
		$newColumn = new Column(
			$this->connection->quoteIdentifier($column->getName()),
			$column->getType()
		);
		$newColumn->setAutoincrement($column->getAutoincrement());
		$newColumn->setColumnDefinition($column->getColumnDefinition());
		$newColumn->setComment($column->getComment());
		$newColumn->setDefault($column->getDefault());
		$newColumn->setFixed($column->getFixed());
		$newColumn->setLength($column->getLength());
		$newColumn->setNotnull($column->getNotnull());
		$newColumn->setPrecision($column->getPrecision());
		$newColumn->setScale($column->getScale());
		$newColumn->setUnsigned($column->getUnsigned());
		$newColumn->setPlatformOptions($column->getPlatformOptions());
		$newColumn->setCustomSchemaOptions($column->getPlatformOptions());
		return $newColumn;
	}

	/**
	 * Quote an index's name but changing the name requires recreating
	 * the index instance and copying over all properties.
	 *
	 * @param Index $index old index
	 * @return Index new index instance with new name
	 */
	protected function quoteIndex($index) {
		return new Index(
		//TODO migrate existing uppercase indexes, then $this->connection->quoteIdentifier($index->getName()),
			$index->getName(),
			array_map(function ($columnName) {
				return $this->connection->quoteIdentifier($columnName);
			}, $index->getColumns()),
			$index->isUnique(),
			$index->isPrimary(),
			$index->getFlags(),
			$index->getOptions()
		);
	}

	/**
	 * Quote an ForeignKeyConstraint's name but changing the name requires recreating
	 * the ForeignKeyConstraint instance and copying over all properties.
	 *
	 * @param ForeignKeyConstraint $fkc old fkc
	 * @return ForeignKeyConstraint new fkc instance with new name
	 */
	protected function quoteForeignKeyConstraint($fkc) {
		return new ForeignKeyConstraint(
			array_map(function ($columnName) {
				return $this->connection->quoteIdentifier($columnName);
			}, $fkc->getLocalColumns()),
			$this->connection->quoteIdentifier($fkc->getForeignTableName()),
			array_map(function ($columnName) {
				return $this->connection->quoteIdentifier($columnName);
			}, $fkc->getForeignColumns()),
			$fkc->getName(),
			$fkc->getOptions()
		);
	}

	/**
	 * @param Schema $targetSchema
	 * @param \Doctrine\DBAL\Connection $connection
	 * @return \Doctrine\DBAL\Schema\SchemaDiff
	 * @throws Exception
	 */
	protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection) {
		$schemaDiff = parent::getDiff($targetSchema, $connection);

		// oracle forces us to quote the identifiers
		$schemaDiff->newTables = array_map(function (Table $table) {
			return new Table(
				$this->connection->quoteIdentifier($table->getName()),
				array_map(function (Column $column) {
					return $this->quoteColumn($column);
				}, $table->getColumns()),
				array_map(function (Index $index) {
					return $this->quoteIndex($index);
				}, $table->getIndexes()),
				[],
				array_map(function (ForeignKeyConstraint $fck) {
					return $this->quoteForeignKeyConstraint($fck);
				}, $table->getForeignKeys()),
				$table->getOptions()
			);
		}, $schemaDiff->newTables);

		$schemaDiff->removedTables = array_map(function (Table $table) {
			return new Table(
				$this->connection->quoteIdentifier($table->getName()),
				$table->getColumns(),
				$table->getIndexes(),
				[],
				$table->getForeignKeys(),
				$table->getOptions()
			);
		}, $schemaDiff->removedTables);

		foreach ($schemaDiff->changedTables as $tableDiff) {
			$tableDiff->name = $this->connection->quoteIdentifier($tableDiff->name);

			$tableDiff->addedColumns = array_map(function (Column $column) {
				return $this->quoteColumn($column);
			}, $tableDiff->addedColumns);

			foreach ($tableDiff->changedColumns as $column) {
				$column->oldColumnName = $this->connection->quoteIdentifier($column->oldColumnName);
				// auto increment is not relevant for oracle and can anyhow not be applied on change
				$column->changedProperties = array_diff($column->changedProperties, ['autoincrement', 'unsigned']);
			}
			// remove columns that no longer have changed (because autoincrement and unsigned are not supported)
			$tableDiff->changedColumns = array_filter($tableDiff->changedColumns, function (ColumnDiff $column) {
				return count($column->changedProperties) > 0;
			});

			$tableDiff->removedColumns = array_map(function (Column $column) {
				return $this->quoteColumn($column);
			}, $tableDiff->removedColumns);

			$tableDiff->renamedColumns = array_map(function (Column $column) {
				return $this->quoteColumn($column);
			}, $tableDiff->renamedColumns);

			$tableDiff->addedIndexes = array_map(function (Index $index) {
				return $this->quoteIndex($index);
			}, $tableDiff->addedIndexes);

			$tableDiff->changedIndexes = array_map(function (Index $index) {
				return $this->quoteIndex($index);
			}, $tableDiff->changedIndexes);

			$tableDiff->removedIndexes = array_map(function (Index $index) {
				return $this->quoteIndex($index);
			}, $tableDiff->removedIndexes);

			$tableDiff->renamedIndexes = array_map(function (Index $index) {
				return $this->quoteIndex($index);
			}, $tableDiff->renamedIndexes);

			$tableDiff->addedForeignKeys = array_map(function (ForeignKeyConstraint $fkc) {
				return $this->quoteForeignKeyConstraint($fkc);
			}, $tableDiff->addedForeignKeys);

			$tableDiff->changedForeignKeys = array_map(function (ForeignKeyConstraint $fkc) {
				return $this->quoteForeignKeyConstraint($fkc);
			}, $tableDiff->changedForeignKeys);

			$tableDiff->removedForeignKeys = array_map(function (ForeignKeyConstraint $fkc) {
				return $this->quoteForeignKeyConstraint($fkc);
			}, $tableDiff->removedForeignKeys);
		}

		return $schemaDiff;
	}

	/**
	 * @param $statement
	 * @return string
	 */
	protected function convertStatementToScript($statement) {
		if (substr($statement, -1) === ';') {
			return $statement . PHP_EOL . '/' . PHP_EOL;
		}
		$script = $statement . ';';
		$script .= PHP_EOL;
		$script .= PHP_EOL;
		return $script;
	}

	protected function getFilterExpression() {
		return '/^"' . preg_quote($this->config->getSystemValue('dbtableprefix', 'oc_')) . '/';
	}
}


1			<?php
2			/**
3			* @copyright Copyright (c) 2016, ownCloud, Inc.
4			*
5			* @author Christoph Wurst <[email protected]>
6			* @author Joas Schilling <[email protected]>
7			* @author Jörn Friedrich Dreyer <[email protected]>
8			* @author Morris Jobke <[email protected]>
9			* @author Piotr Mrowczynski <[email protected]>
10			* @author Robin Appelman <[email protected]>
11			* @author Roeland Jago Douma <[email protected]>
12			* @author Thomas Müller <[email protected]>
13			* @author Victor Dubiniuk <[email protected]>
14			*
15			* @license AGPL-3.0
16			*
17			* This code is free software: you can redistribute it and/or modify
18			* it under the terms of the GNU Affero General Public License, version 3,
19			* as published by the Free Software Foundation.
20			*
21			* This program is distributed in the hope that it will be useful,
22			* but WITHOUT ANY WARRANTY; without even the implied warranty of
23			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24			* GNU Affero General Public License for more details.
25			*
26			* You should have received a copy of the GNU Affero General Public License, version 3,
27			* along with this program. If not, see <http://www.gnu.org/licenses/>
28			*
29			*/
30
31			namespace OC\DB;
32
33			use Doctrine\DBAL\Exception;
34			use Doctrine\DBAL\Schema\Column;
35			use Doctrine\DBAL\Schema\ColumnDiff;
36			use Doctrine\DBAL\Schema\ForeignKeyConstraint;
37			use Doctrine\DBAL\Schema\Index;
38			use Doctrine\DBAL\Schema\Schema;
39			use Doctrine\DBAL\Schema\Table;
40
41			class OracleMigrator extends Migrator {
42
43			/**
44			* Quote a column's name but changing the name requires recreating
45			* the column instance and copying over all properties.
46			*
47			* @param Column $column old column
48			* @return Column new column instance with new name
49			*/
50			protected function quoteColumn(Column $column) {
51			$newColumn = new Column(
52			$this->connection->quoteIdentifier($column->getName()),
53			$column->getType()
54			);
55			$newColumn->setAutoincrement($column->getAutoincrement());
56			$newColumn->setColumnDefinition($column->getColumnDefinition());
57			$newColumn->setComment($column->getComment());
58			$newColumn->setDefault($column->getDefault());
59			$newColumn->setFixed($column->getFixed());
60			$newColumn->setLength($column->getLength());
61			$newColumn->setNotnull($column->getNotnull());
62			$newColumn->setPrecision($column->getPrecision());
63			$newColumn->setScale($column->getScale());
64			$newColumn->setUnsigned($column->getUnsigned());
65			$newColumn->setPlatformOptions($column->getPlatformOptions());
66			$newColumn->setCustomSchemaOptions($column->getPlatformOptions());
67			return $newColumn;
68			}
69
70			/**
71			* Quote an index's name but changing the name requires recreating
72			* the index instance and copying over all properties.
73			*
74			* @param Index $index old index
75			* @return Index new index instance with new name
76			*/
77			protected function quoteIndex($index) {
78			return new Index(
79			//TODO migrate existing uppercase indexes, then $this->connection->quoteIdentifier($index->getName()),
80			$index->getName(),
81			array_map(function ($columnName) {
82			return $this->connection->quoteIdentifier($columnName);
83			}, $index->getColumns()),
84			$index->isUnique(),
85			$index->isPrimary(),
86			$index->getFlags(),
87			$index->getOptions()
88			);
89			}
90
91			/**
92			* Quote an ForeignKeyConstraint's name but changing the name requires recreating
93			* the ForeignKeyConstraint instance and copying over all properties.
94			*
95			* @param ForeignKeyConstraint $fkc old fkc
96			* @return ForeignKeyConstraint new fkc instance with new name
97			*/
98			protected function quoteForeignKeyConstraint($fkc) {
99			return new ForeignKeyConstraint(
100			array_map(function ($columnName) {
101			return $this->connection->quoteIdentifier($columnName);
102			}, $fkc->getLocalColumns()),
103			$this->connection->quoteIdentifier($fkc->getForeignTableName()),
104			array_map(function ($columnName) {
105			return $this->connection->quoteIdentifier($columnName);
106			}, $fkc->getForeignColumns()),
107			$fkc->getName(),
108			$fkc->getOptions()
109			);
110			}
111
112			/**
113			* @param Schema $targetSchema
114			* @param \Doctrine\DBAL\Connection $connection
115			* @return \Doctrine\DBAL\Schema\SchemaDiff
116			* @throws Exception
117			*/
118			protected function getDiff(Schema $targetSchema, \Doctrine\DBAL\Connection $connection) {
119			$schemaDiff = parent::getDiff($targetSchema, $connection);
120
121			// oracle forces us to quote the identifiers
122			$schemaDiff->newTables = array_map(function (Table $table) {
123			return new Table(
124			$this->connection->quoteIdentifier($table->getName()),
125			array_map(function (Column $column) {
126			return $this->quoteColumn($column);
127			}, $table->getColumns()),
128			array_map(function (Index $index) {
129			return $this->quoteIndex($index);
130			}, $table->getIndexes()),
131			[],
132			array_map(function (ForeignKeyConstraint $fck) {
133			return $this->quoteForeignKeyConstraint($fck);
134			}, $table->getForeignKeys()),
135			$table->getOptions()
136			);
137			}, $schemaDiff->newTables);
138
139			$schemaDiff->removedTables = array_map(function (Table $table) {
140			return new Table(
141			$this->connection->quoteIdentifier($table->getName()),
142			$table->getColumns(),
143			$table->getIndexes(),
144			[],
145			$table->getForeignKeys(),
146			$table->getOptions()
147			);
148			}, $schemaDiff->removedTables);
149
150			foreach ($schemaDiff->changedTables as $tableDiff) {
151			$tableDiff->name = $this->connection->quoteIdentifier($tableDiff->name);
152
153			$tableDiff->addedColumns = array_map(function (Column $column) {
154			return $this->quoteColumn($column);
155			}, $tableDiff->addedColumns);
156
157			foreach ($tableDiff->changedColumns as $column) {
158			$column->oldColumnName = $this->connection->quoteIdentifier($column->oldColumnName);
159			// auto increment is not relevant for oracle and can anyhow not be applied on change
160			$column->changedProperties = array_diff($column->changedProperties, ['autoincrement', 'unsigned']);
161			}
162			// remove columns that no longer have changed (because autoincrement and unsigned are not supported)
163			$tableDiff->changedColumns = array_filter($tableDiff->changedColumns, function (ColumnDiff $column) {
164			return count($column->changedProperties) > 0;
165			});
166
167			$tableDiff->removedColumns = array_map(function (Column $column) {
168			return $this->quoteColumn($column);
169			}, $tableDiff->removedColumns);
170
171			$tableDiff->renamedColumns = array_map(function (Column $column) {
172			return $this->quoteColumn($column);
173			}, $tableDiff->renamedColumns);
174
175			$tableDiff->addedIndexes = array_map(function (Index $index) {
176			return $this->quoteIndex($index);
177			}, $tableDiff->addedIndexes);
178
179			$tableDiff->changedIndexes = array_map(function (Index $index) {
180			return $this->quoteIndex($index);
181			}, $tableDiff->changedIndexes);
182
183			$tableDiff->removedIndexes = array_map(function (Index $index) {
184			return $this->quoteIndex($index);
185			}, $tableDiff->removedIndexes);
186
187			$tableDiff->renamedIndexes = array_map(function (Index $index) {
188			return $this->quoteIndex($index);
189			}, $tableDiff->renamedIndexes);
190
191			$tableDiff->addedForeignKeys = array_map(function (ForeignKeyConstraint $fkc) {
192			return $this->quoteForeignKeyConstraint($fkc);
193			}, $tableDiff->addedForeignKeys);
194
195			$tableDiff->changedForeignKeys = array_map(function (ForeignKeyConstraint $fkc) {
196			return $this->quoteForeignKeyConstraint($fkc);
197			}, $tableDiff->changedForeignKeys);
198
199			$tableDiff->removedForeignKeys = array_map(function (ForeignKeyConstraint $fkc) {
200			return $this->quoteForeignKeyConstraint($fkc);
201			}, $tableDiff->removedForeignKeys);
202			}
203
204			return $schemaDiff;
205			}
206
207			/**
208			* @param $statement
209			* @return string
210			*/
211			protected function convertStatementToScript($statement) {
212			if (substr($statement, -1) === ';') {
213			return $statement . PHP_EOL . '/' . PHP_EOL;
214			}
215			$script = $statement . ';';
216			$script .= PHP_EOL;
217			$script .= PHP_EOL;
218			return $script;
219			}
220
221			protected function getFilterExpression() {
222			return '/^"' . preg_quote($this->config->getSystemValue('dbtableprefix', 'oc_')) . '/';
223			}
224			}
225

nextcloud / server

Push — master ( 459e0b...37feee )

OracleMigrator::generateTemporaryTableName() A

Complexity

Size

Duplication

Importance

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