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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Sqlite; |
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use Yiisoft\Db\Exception\Exception; |
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use Yiisoft\Db\Exception\InvalidArgumentException; |
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use Yiisoft\Db\Exception\NotSupportedException; |
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use Yiisoft\Db\Query\DDLQueryBuilder as AbstractDDLQueryBuilder; |
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use Yiisoft\Db\Query\QueryBuilderInterface; |
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use Yiisoft\Db\Schema\ColumnSchemaBuilder; |
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use Yiisoft\Db\Schema\QuoterInterface; |
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use Yiisoft\Db\Schema\SchemaInterface; |
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use function count; |
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final class DDLQueryBuilder extends AbstractDDLQueryBuilder |
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{ |
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public function __construct( |
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private QueryBuilderInterface $queryBuilder, |
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private QuoterInterface $quoter, |
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SchemaInterface $schema |
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) { |
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parent::__construct($queryBuilder, $quoter, $schema); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function addCheck(string $name, string $table, string $expression): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function addCommentOnColumn(string $table, string $column, string $comment): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function addCommentOnTable(string $table, string $comment): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function addForeignKey( |
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string $name, |
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string $table, |
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array|string $columns, |
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string $refTable, |
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array|string $refColumns, |
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?string $delete = null, |
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?string $update = null |
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): string { |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function addPrimaryKey(string $name, string $table, array|string $columns): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function addUnique(string $name, string $table, array|string $columns): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function alterColumn(string $table, string $column, ColumnSchemaBuilder|string $type): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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public function checkIntegrity(string $schema = '', string $table = '', bool $check = true): string |
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{ |
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return 'PRAGMA foreign_keys=' . (int) $check; |
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} |
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/** |
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* @throws Exception|InvalidArgumentException |
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*/ |
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public function createIndex(string $name, string $table, array|string $columns, ?string $indexType = null, ?string $indexMethod = null): string |
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{ |
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$tableParts = explode('.', $table); |
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$schema = null; |
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if (count($tableParts) === 2) { |
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[$schema, $table] = $tableParts; |
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} |
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return 'CREATE ' . ($indexType ? ($indexType . ' ') : '') . 'INDEX ' |
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. $this->quoter->quoteTableName(($schema ? $schema . '.' : '') . $name) |
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. ' ON ' |
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. $this->quoter->quoteTableName($table) |
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. ' (' . $this->queryBuilder->buildColumns($columns) . ')'; |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function dropCheck(string $name, string $table): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function dropColumn(string $table, string $column): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function dropCommentFromColumn(string $table, string $column): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function dropCommentFromTable(string $table): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function dropForeignKey(string $name, string $table): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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public function dropIndex(string $name, string $table): string |
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{ |
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return 'DROP INDEX ' . $this->quoter->quoteTableName($name); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function dropPrimaryKey(string $name, string $table): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function dropUnique(string $name, string $table): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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/** |
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* @throws NotSupportedException |
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*/ |
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public function renameColumn(string $table, string $oldName, string $newName): string |
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{ |
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throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.'); |
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} |
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public function renameTable(string $oldName, string $newName): string |
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{ |
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return 'ALTER TABLE ' |
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. $this->quoter->quoteTableName($oldName) |
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. ' RENAME TO ' |
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. $this->quoter->quoteTableName($newName); |
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} |
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} |
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Let?s assume that you have a directory layout like this:
and let?s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: