670 lines
23 KiB
PHP
670 lines
23 KiB
PHP
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<?php
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declare(strict_types=1);
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/**
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* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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* @link https://cakephp.org CakePHP(tm) Project
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* @since 3.0.0
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* @license https://opensource.org/licenses/mit-license.php MIT License
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*/
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namespace Cake\Database\Schema;
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use Cake\Database\DriverInterface;
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use Cake\Database\Exception\DatabaseException;
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/**
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* Schema generation/reflection features for MySQL
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*
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* @internal
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*/
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class MysqlSchemaDialect extends SchemaDialect
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{
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/**
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* The driver instance being used.
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*
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* @var \Cake\Database\Driver\Mysql
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*/
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protected $_driver;
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/**
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* Generate the SQL to list the tables and views.
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*
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* @param array<string, mixed> $config The connection configuration to use for
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* getting tables from.
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* @return array<mixed> An array of (sql, params) to execute.
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*/
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public function listTablesSql(array $config): array
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{
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return ['SHOW FULL TABLES FROM ' . $this->_driver->quoteIdentifier($config['database']), []];
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}
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/**
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* Generate the SQL to list the tables, excluding all views.
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*
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* @param array<string, mixed> $config The connection configuration to use for
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* getting tables from.
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* @return array<mixed> An array of (sql, params) to execute.
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*/
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public function listTablesWithoutViewsSql(array $config): array
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{
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return [
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'SHOW FULL TABLES FROM ' . $this->_driver->quoteIdentifier($config['database'])
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. ' WHERE TABLE_TYPE = "BASE TABLE"'
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, []];
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}
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/**
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* @inheritDoc
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*/
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public function describeColumnSql(string $tableName, array $config): array
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{
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return ['SHOW FULL COLUMNS FROM ' . $this->_driver->quoteIdentifier($tableName), []];
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}
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/**
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* @inheritDoc
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*/
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public function describeIndexSql(string $tableName, array $config): array
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{
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return ['SHOW INDEXES FROM ' . $this->_driver->quoteIdentifier($tableName), []];
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}
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/**
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* @inheritDoc
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*/
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public function describeOptionsSql(string $tableName, array $config): array
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{
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return ['SHOW TABLE STATUS WHERE Name = ?', [$tableName]];
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}
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/**
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* @inheritDoc
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*/
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public function convertOptionsDescription(TableSchema $schema, array $row): void
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{
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$schema->setOptions([
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'engine' => $row['Engine'],
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'collation' => $row['Collation'],
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]);
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}
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/**
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* Convert a MySQL column type into an abstract type.
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*
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* The returned type will be a type that Cake\Database\TypeFactory can handle.
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*
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* @param string $column The column type + length
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* @return array<string, mixed> Array of column information.
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* @throws \Cake\Database\Exception\DatabaseException When column type cannot be parsed.
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*/
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protected function _convertColumn(string $column): array
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{
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preg_match('/([a-z]+)(?:\(([0-9,]+)\))?\s*([a-z]+)?/i', $column, $matches);
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if (empty($matches)) {
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throw new DatabaseException(sprintf('Unable to parse column type from "%s"', $column));
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}
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$col = strtolower($matches[1]);
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$length = $precision = $scale = null;
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if (isset($matches[2]) && strlen($matches[2])) {
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$length = $matches[2];
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if (strpos($matches[2], ',') !== false) {
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[$length, $precision] = explode(',', $length);
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}
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$length = (int)$length;
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$precision = (int)$precision;
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}
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$type = $this->_applyTypeSpecificColumnConversion(
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$col,
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compact('length', 'precision', 'scale')
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);
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if ($type !== null) {
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return $type;
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}
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if (in_array($col, ['date', 'time'])) {
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return ['type' => $col, 'length' => null];
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}
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if (in_array($col, ['datetime', 'timestamp'])) {
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$typeName = $col;
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if ($length > 0) {
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$typeName = $col . 'fractional';
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}
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return ['type' => $typeName, 'length' => null, 'precision' => $length];
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}
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if (($col === 'tinyint' && $length === 1) || $col === 'boolean') {
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return ['type' => TableSchema::TYPE_BOOLEAN, 'length' => null];
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}
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$unsigned = (isset($matches[3]) && strtolower($matches[3]) === 'unsigned');
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if (strpos($col, 'bigint') !== false || $col === 'bigint') {
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return ['type' => TableSchema::TYPE_BIGINTEGER, 'length' => null, 'unsigned' => $unsigned];
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}
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if ($col === 'tinyint') {
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return ['type' => TableSchema::TYPE_TINYINTEGER, 'length' => null, 'unsigned' => $unsigned];
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}
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if ($col === 'smallint') {
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return ['type' => TableSchema::TYPE_SMALLINTEGER, 'length' => null, 'unsigned' => $unsigned];
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}
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if (in_array($col, ['int', 'integer', 'mediumint'])) {
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return ['type' => TableSchema::TYPE_INTEGER, 'length' => null, 'unsigned' => $unsigned];
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}
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if ($col === 'char' && $length === 36) {
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return ['type' => TableSchema::TYPE_UUID, 'length' => null];
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}
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if ($col === 'char') {
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return ['type' => TableSchema::TYPE_CHAR, 'length' => $length];
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}
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if (strpos($col, 'char') !== false) {
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return ['type' => TableSchema::TYPE_STRING, 'length' => $length];
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}
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if (strpos($col, 'text') !== false) {
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$lengthName = substr($col, 0, -4);
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$length = TableSchema::$columnLengths[$lengthName] ?? null;
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return ['type' => TableSchema::TYPE_TEXT, 'length' => $length];
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}
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if ($col === 'binary' && $length === 16) {
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return ['type' => TableSchema::TYPE_BINARY_UUID, 'length' => null];
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}
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if (strpos($col, 'blob') !== false || in_array($col, ['binary', 'varbinary'])) {
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$lengthName = substr($col, 0, -4);
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$length = TableSchema::$columnLengths[$lengthName] ?? $length;
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return ['type' => TableSchema::TYPE_BINARY, 'length' => $length];
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}
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if (strpos($col, 'float') !== false || strpos($col, 'double') !== false) {
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return [
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'type' => TableSchema::TYPE_FLOAT,
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'length' => $length,
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'precision' => $precision,
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'unsigned' => $unsigned,
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];
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}
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if (strpos($col, 'decimal') !== false) {
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return [
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'type' => TableSchema::TYPE_DECIMAL,
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'length' => $length,
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'precision' => $precision,
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'unsigned' => $unsigned,
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];
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}
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if (strpos($col, 'json') !== false) {
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return ['type' => TableSchema::TYPE_JSON, 'length' => null];
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}
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return ['type' => TableSchema::TYPE_STRING, 'length' => null];
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}
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/**
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* @inheritDoc
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*/
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public function convertColumnDescription(TableSchema $schema, array $row): void
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{
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$field = $this->_convertColumn($row['Type']);
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$field += [
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'null' => $row['Null'] === 'YES',
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'default' => $row['Default'],
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'collate' => $row['Collation'],
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'comment' => $row['Comment'],
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];
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if (isset($row['Extra']) && $row['Extra'] === 'auto_increment') {
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$field['autoIncrement'] = true;
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}
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$schema->addColumn($row['Field'], $field);
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}
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/**
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* @inheritDoc
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*/
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public function convertIndexDescription(TableSchema $schema, array $row): void
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{
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$type = null;
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$columns = $length = [];
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$name = $row['Key_name'];
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if ($name === 'PRIMARY') {
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$name = $type = TableSchema::CONSTRAINT_PRIMARY;
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}
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if (!empty($row['Column_name'])) {
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$columns[] = $row['Column_name'];
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}
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if ($row['Index_type'] === 'FULLTEXT') {
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$type = TableSchema::INDEX_FULLTEXT;
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} elseif ((int)$row['Non_unique'] === 0 && $type !== 'primary') {
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$type = TableSchema::CONSTRAINT_UNIQUE;
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} elseif ($type !== 'primary') {
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$type = TableSchema::INDEX_INDEX;
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}
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if (!empty($row['Sub_part'])) {
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$length[$row['Column_name']] = $row['Sub_part'];
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}
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$isIndex = (
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$type === TableSchema::INDEX_INDEX ||
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$type === TableSchema::INDEX_FULLTEXT
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);
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if ($isIndex) {
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$existing = $schema->getIndex($name);
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} else {
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$existing = $schema->getConstraint($name);
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}
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// MySQL multi column indexes come back as multiple rows.
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if (!empty($existing)) {
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$columns = array_merge($existing['columns'], $columns);
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$length = array_merge($existing['length'], $length);
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}
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if ($isIndex) {
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$schema->addIndex($name, [
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'type' => $type,
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'columns' => $columns,
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'length' => $length,
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]);
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} else {
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$schema->addConstraint($name, [
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'type' => $type,
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'columns' => $columns,
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'length' => $length,
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]);
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}
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}
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/**
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* @inheritDoc
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*/
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public function describeForeignKeySql(string $tableName, array $config): array
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{
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$sql = 'SELECT * FROM information_schema.key_column_usage AS kcu
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INNER JOIN information_schema.referential_constraints AS rc
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ON (
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kcu.CONSTRAINT_NAME = rc.CONSTRAINT_NAME
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AND kcu.CONSTRAINT_SCHEMA = rc.CONSTRAINT_SCHEMA
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)
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WHERE kcu.TABLE_SCHEMA = ? AND kcu.TABLE_NAME = ? AND rc.TABLE_NAME = ?
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ORDER BY kcu.ORDINAL_POSITION ASC';
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return [$sql, [$config['database'], $tableName, $tableName]];
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}
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/**
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* @inheritDoc
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*/
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public function convertForeignKeyDescription(TableSchema $schema, array $row): void
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{
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$data = [
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'type' => TableSchema::CONSTRAINT_FOREIGN,
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'columns' => [$row['COLUMN_NAME']],
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'references' => [$row['REFERENCED_TABLE_NAME'], $row['REFERENCED_COLUMN_NAME']],
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'update' => $this->_convertOnClause($row['UPDATE_RULE']),
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'delete' => $this->_convertOnClause($row['DELETE_RULE']),
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];
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$name = $row['CONSTRAINT_NAME'];
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$schema->addConstraint($name, $data);
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}
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/**
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* @inheritDoc
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*/
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public function truncateTableSql(TableSchema $schema): array
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{
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return [sprintf('TRUNCATE TABLE `%s`', $schema->name())];
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}
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/**
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* @inheritDoc
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*/
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public function createTableSql(TableSchema $schema, array $columns, array $constraints, array $indexes): array
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{
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$content = implode(",\n", array_merge($columns, $constraints, $indexes));
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$temporary = $schema->isTemporary() ? ' TEMPORARY ' : ' ';
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$content = sprintf("CREATE%sTABLE `%s` (\n%s\n)", $temporary, $schema->name(), $content);
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$options = $schema->getOptions();
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if (isset($options['engine'])) {
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$content .= sprintf(' ENGINE=%s', $options['engine']);
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}
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if (isset($options['charset'])) {
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$content .= sprintf(' DEFAULT CHARSET=%s', $options['charset']);
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}
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if (isset($options['collate'])) {
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$content .= sprintf(' COLLATE=%s', $options['collate']);
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}
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return [$content];
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}
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/**
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* @inheritDoc
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*/
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public function columnSql(TableSchema $schema, string $name): string
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{
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/** @var array $data */
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$data = $schema->getColumn($name);
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$sql = $this->_getTypeSpecificColumnSql($data['type'], $schema, $name);
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if ($sql !== null) {
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return $sql;
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}
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$out = $this->_driver->quoteIdentifier($name);
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$nativeJson = $this->_driver->supports(DriverInterface::FEATURE_JSON);
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$typeMap = [
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TableSchema::TYPE_TINYINTEGER => ' TINYINT',
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TableSchema::TYPE_SMALLINTEGER => ' SMALLINT',
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TableSchema::TYPE_INTEGER => ' INTEGER',
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TableSchema::TYPE_BIGINTEGER => ' BIGINT',
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TableSchema::TYPE_BINARY_UUID => ' BINARY(16)',
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TableSchema::TYPE_BOOLEAN => ' BOOLEAN',
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TableSchema::TYPE_FLOAT => ' FLOAT',
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TableSchema::TYPE_DECIMAL => ' DECIMAL',
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TableSchema::TYPE_DATE => ' DATE',
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|
|
TableSchema::TYPE_TIME => ' TIME',
|
||
|
|
TableSchema::TYPE_DATETIME => ' DATETIME',
|
||
|
|
TableSchema::TYPE_DATETIME_FRACTIONAL => ' DATETIME',
|
||
|
|
TableSchema::TYPE_TIMESTAMP => ' TIMESTAMP',
|
||
|
|
TableSchema::TYPE_TIMESTAMP_FRACTIONAL => ' TIMESTAMP',
|
||
|
|
TableSchema::TYPE_TIMESTAMP_TIMEZONE => ' TIMESTAMP',
|
||
|
|
TableSchema::TYPE_CHAR => ' CHAR',
|
||
|
|
TableSchema::TYPE_UUID => ' CHAR(36)',
|
||
|
|
TableSchema::TYPE_JSON => $nativeJson ? ' JSON' : ' LONGTEXT',
|
||
|
|
];
|
||
|
|
$specialMap = [
|
||
|
|
'string' => true,
|
||
|
|
'text' => true,
|
||
|
|
'char' => true,
|
||
|
|
'binary' => true,
|
||
|
|
];
|
||
|
|
if (isset($typeMap[$data['type']])) {
|
||
|
|
$out .= $typeMap[$data['type']];
|
||
|
|
}
|
||
|
|
if (isset($specialMap[$data['type']])) {
|
||
|
|
switch ($data['type']) {
|
||
|
|
case TableSchema::TYPE_STRING:
|
||
|
|
$out .= ' VARCHAR';
|
||
|
|
if (!isset($data['length'])) {
|
||
|
|
$data['length'] = 255;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case TableSchema::TYPE_TEXT:
|
||
|
|
$isKnownLength = in_array($data['length'], TableSchema::$columnLengths);
|
||
|
|
if (empty($data['length']) || !$isKnownLength) {
|
||
|
|
$out .= ' TEXT';
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** @var string $length */
|
||
|
|
$length = array_search($data['length'], TableSchema::$columnLengths);
|
||
|
|
$out .= ' ' . strtoupper($length) . 'TEXT';
|
||
|
|
|
||
|
|
break;
|
||
|
|
case TableSchema::TYPE_BINARY:
|
||
|
|
$isKnownLength = in_array($data['length'], TableSchema::$columnLengths);
|
||
|
|
if ($isKnownLength) {
|
||
|
|
/** @var string $length */
|
||
|
|
$length = array_search($data['length'], TableSchema::$columnLengths);
|
||
|
|
$out .= ' ' . strtoupper($length) . 'BLOB';
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (empty($data['length'])) {
|
||
|
|
$out .= ' BLOB';
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($data['length'] > 2) {
|
||
|
|
$out .= ' VARBINARY(' . $data['length'] . ')';
|
||
|
|
} else {
|
||
|
|
$out .= ' BINARY(' . $data['length'] . ')';
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$hasLength = [
|
||
|
|
TableSchema::TYPE_INTEGER,
|
||
|
|
TableSchema::TYPE_CHAR,
|
||
|
|
TableSchema::TYPE_SMALLINTEGER,
|
||
|
|
TableSchema::TYPE_TINYINTEGER,
|
||
|
|
TableSchema::TYPE_STRING,
|
||
|
|
];
|
||
|
|
if (in_array($data['type'], $hasLength, true) && isset($data['length'])) {
|
||
|
|
$out .= '(' . $data['length'] . ')';
|
||
|
|
}
|
||
|
|
|
||
|
|
$lengthAndPrecisionTypes = [TableSchema::TYPE_FLOAT, TableSchema::TYPE_DECIMAL];
|
||
|
|
if (in_array($data['type'], $lengthAndPrecisionTypes, true) && isset($data['length'])) {
|
||
|
|
if (isset($data['precision'])) {
|
||
|
|
$out .= '(' . (int)$data['length'] . ',' . (int)$data['precision'] . ')';
|
||
|
|
} else {
|
||
|
|
$out .= '(' . (int)$data['length'] . ')';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$precisionTypes = [TableSchema::TYPE_DATETIME_FRACTIONAL, TableSchema::TYPE_TIMESTAMP_FRACTIONAL];
|
||
|
|
if (in_array($data['type'], $precisionTypes, true) && isset($data['precision'])) {
|
||
|
|
$out .= '(' . (int)$data['precision'] . ')';
|
||
|
|
}
|
||
|
|
|
||
|
|
$hasUnsigned = [
|
||
|
|
TableSchema::TYPE_TINYINTEGER,
|
||
|
|
TableSchema::TYPE_SMALLINTEGER,
|
||
|
|
TableSchema::TYPE_INTEGER,
|
||
|
|
TableSchema::TYPE_BIGINTEGER,
|
||
|
|
TableSchema::TYPE_FLOAT,
|
||
|
|
TableSchema::TYPE_DECIMAL,
|
||
|
|
];
|
||
|
|
if (
|
||
|
|
in_array($data['type'], $hasUnsigned, true) &&
|
||
|
|
isset($data['unsigned']) &&
|
||
|
|
$data['unsigned'] === true
|
||
|
|
) {
|
||
|
|
$out .= ' UNSIGNED';
|
||
|
|
}
|
||
|
|
|
||
|
|
$hasCollate = [
|
||
|
|
TableSchema::TYPE_TEXT,
|
||
|
|
TableSchema::TYPE_CHAR,
|
||
|
|
TableSchema::TYPE_STRING,
|
||
|
|
];
|
||
|
|
if (in_array($data['type'], $hasCollate, true) && isset($data['collate']) && $data['collate'] !== '') {
|
||
|
|
$out .= ' COLLATE ' . $data['collate'];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($data['null']) && $data['null'] === false) {
|
||
|
|
$out .= ' NOT NULL';
|
||
|
|
}
|
||
|
|
$addAutoIncrement = (
|
||
|
|
$schema->getPrimaryKey() === [$name] &&
|
||
|
|
!$schema->hasAutoincrement() &&
|
||
|
|
!isset($data['autoIncrement'])
|
||
|
|
);
|
||
|
|
if (
|
||
|
|
in_array($data['type'], [TableSchema::TYPE_INTEGER, TableSchema::TYPE_BIGINTEGER]) &&
|
||
|
|
(
|
||
|
|
$data['autoIncrement'] === true ||
|
||
|
|
$addAutoIncrement
|
||
|
|
)
|
||
|
|
) {
|
||
|
|
$out .= ' AUTO_INCREMENT';
|
||
|
|
}
|
||
|
|
|
||
|
|
$timestampTypes = [
|
||
|
|
TableSchema::TYPE_TIMESTAMP,
|
||
|
|
TableSchema::TYPE_TIMESTAMP_FRACTIONAL,
|
||
|
|
TableSchema::TYPE_TIMESTAMP_TIMEZONE,
|
||
|
|
];
|
||
|
|
if (isset($data['null']) && $data['null'] === true && in_array($data['type'], $timestampTypes, true)) {
|
||
|
|
$out .= ' NULL';
|
||
|
|
unset($data['default']);
|
||
|
|
}
|
||
|
|
|
||
|
|
$dateTimeTypes = [
|
||
|
|
TableSchema::TYPE_DATETIME,
|
||
|
|
TableSchema::TYPE_DATETIME_FRACTIONAL,
|
||
|
|
TableSchema::TYPE_TIMESTAMP,
|
||
|
|
TableSchema::TYPE_TIMESTAMP_FRACTIONAL,
|
||
|
|
TableSchema::TYPE_TIMESTAMP_TIMEZONE,
|
||
|
|
];
|
||
|
|
if (
|
||
|
|
isset($data['default']) &&
|
||
|
|
in_array($data['type'], $dateTimeTypes) &&
|
||
|
|
strpos(strtolower($data['default']), 'current_timestamp') !== false
|
||
|
|
) {
|
||
|
|
$out .= ' DEFAULT CURRENT_TIMESTAMP';
|
||
|
|
if (isset($data['precision'])) {
|
||
|
|
$out .= '(' . $data['precision'] . ')';
|
||
|
|
}
|
||
|
|
unset($data['default']);
|
||
|
|
}
|
||
|
|
if (isset($data['default'])) {
|
||
|
|
$out .= ' DEFAULT ' . $this->_driver->schemaValue($data['default']);
|
||
|
|
unset($data['default']);
|
||
|
|
}
|
||
|
|
if (isset($data['comment']) && $data['comment'] !== '') {
|
||
|
|
$out .= ' COMMENT ' . $this->_driver->schemaValue($data['comment']);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $out;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function constraintSql(TableSchema $schema, string $name): string
|
||
|
|
{
|
||
|
|
/** @var array $data */
|
||
|
|
$data = $schema->getConstraint($name);
|
||
|
|
if ($data['type'] === TableSchema::CONSTRAINT_PRIMARY) {
|
||
|
|
$columns = array_map(
|
||
|
|
[$this->_driver, 'quoteIdentifier'],
|
||
|
|
$data['columns']
|
||
|
|
);
|
||
|
|
|
||
|
|
return sprintf('PRIMARY KEY (%s)', implode(', ', $columns));
|
||
|
|
}
|
||
|
|
|
||
|
|
$out = '';
|
||
|
|
if ($data['type'] === TableSchema::CONSTRAINT_UNIQUE) {
|
||
|
|
$out = 'UNIQUE KEY ';
|
||
|
|
}
|
||
|
|
if ($data['type'] === TableSchema::CONSTRAINT_FOREIGN) {
|
||
|
|
$out = 'CONSTRAINT ';
|
||
|
|
}
|
||
|
|
$out .= $this->_driver->quoteIdentifier($name);
|
||
|
|
|
||
|
|
return $this->_keySql($out, $data);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function addConstraintSql(TableSchema $schema): array
|
||
|
|
{
|
||
|
|
$sqlPattern = 'ALTER TABLE %s ADD %s;';
|
||
|
|
$sql = [];
|
||
|
|
|
||
|
|
foreach ($schema->constraints() as $name) {
|
||
|
|
/** @var array $constraint */
|
||
|
|
$constraint = $schema->getConstraint($name);
|
||
|
|
if ($constraint['type'] === TableSchema::CONSTRAINT_FOREIGN) {
|
||
|
|
$tableName = $this->_driver->quoteIdentifier($schema->name());
|
||
|
|
$sql[] = sprintf($sqlPattern, $tableName, $this->constraintSql($schema, $name));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $sql;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function dropConstraintSql(TableSchema $schema): array
|
||
|
|
{
|
||
|
|
$sqlPattern = 'ALTER TABLE %s DROP FOREIGN KEY %s;';
|
||
|
|
$sql = [];
|
||
|
|
|
||
|
|
foreach ($schema->constraints() as $name) {
|
||
|
|
/** @var array $constraint */
|
||
|
|
$constraint = $schema->getConstraint($name);
|
||
|
|
if ($constraint['type'] === TableSchema::CONSTRAINT_FOREIGN) {
|
||
|
|
$tableName = $this->_driver->quoteIdentifier($schema->name());
|
||
|
|
$constraintName = $this->_driver->quoteIdentifier($name);
|
||
|
|
$sql[] = sprintf($sqlPattern, $tableName, $constraintName);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $sql;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @inheritDoc
|
||
|
|
*/
|
||
|
|
public function indexSql(TableSchema $schema, string $name): string
|
||
|
|
{
|
||
|
|
/** @var array $data */
|
||
|
|
$data = $schema->getIndex($name);
|
||
|
|
$out = '';
|
||
|
|
if ($data['type'] === TableSchema::INDEX_INDEX) {
|
||
|
|
$out = 'KEY ';
|
||
|
|
}
|
||
|
|
if ($data['type'] === TableSchema::INDEX_FULLTEXT) {
|
||
|
|
$out = 'FULLTEXT KEY ';
|
||
|
|
}
|
||
|
|
$out .= $this->_driver->quoteIdentifier($name);
|
||
|
|
|
||
|
|
return $this->_keySql($out, $data);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Helper method for generating key SQL snippets.
|
||
|
|
*
|
||
|
|
* @param string $prefix The key prefix
|
||
|
|
* @param array $data Key data.
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function _keySql(string $prefix, array $data): string
|
||
|
|
{
|
||
|
|
$columns = array_map(
|
||
|
|
[$this->_driver, 'quoteIdentifier'],
|
||
|
|
$data['columns']
|
||
|
|
);
|
||
|
|
foreach ($data['columns'] as $i => $column) {
|
||
|
|
if (isset($data['length'][$column])) {
|
||
|
|
$columns[$i] .= sprintf('(%d)', $data['length'][$column]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($data['type'] === TableSchema::CONSTRAINT_FOREIGN) {
|
||
|
|
return $prefix . sprintf(
|
||
|
|
' FOREIGN KEY (%s) REFERENCES %s (%s) ON UPDATE %s ON DELETE %s',
|
||
|
|
implode(', ', $columns),
|
||
|
|
$this->_driver->quoteIdentifier($data['references'][0]),
|
||
|
|
$this->_convertConstraintColumns($data['references'][1]),
|
||
|
|
$this->_foreignOnClause($data['update']),
|
||
|
|
$this->_foreignOnClause($data['delete'])
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $prefix . ' (' . implode(', ', $columns) . ')';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// phpcs:disable
|
||
|
|
class_alias(
|
||
|
|
'Cake\Database\Schema\MysqlSchemaDialect',
|
||
|
|
'Cake\Database\Schema\MysqlSchema'
|
||
|
|
);
|
||
|
|
// phpcs:enable
|