123 lines
3.2 KiB
PHP
123 lines
3.2 KiB
PHP
<?php
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namespace Illuminate\Database;
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use Exception;
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use Illuminate\Database\Query\Grammars\MySqlGrammar as QueryGrammar;
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use Illuminate\Database\Query\Processors\MySqlProcessor;
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use Illuminate\Database\Schema\Grammars\MySqlGrammar as SchemaGrammar;
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use Illuminate\Database\Schema\MySqlBuilder;
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use Illuminate\Database\Schema\MySqlSchemaState;
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use Illuminate\Filesystem\Filesystem;
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use Illuminate\Support\Str;
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use PDO;
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class MySqlConnection extends Connection
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{
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/**
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* Escape a binary value for safe SQL embedding.
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*
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* @param string $value
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* @return string
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*/
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protected function escapeBinary($value)
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{
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$hex = bin2hex($value);
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return "x'{$hex}'";
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}
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/**
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* Determine if the given database exception was caused by a unique constraint violation.
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*
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* @param \Exception $exception
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* @return bool
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*/
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protected function isUniqueConstraintError(Exception $exception)
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{
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return boolval(preg_match('#Integrity constraint violation: 1062#i', $exception->getMessage()));
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}
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/**
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* Determine if the connected database is a MariaDB database.
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*
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* @return bool
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*/
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public function isMaria()
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{
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return str_contains($this->getPdo()->getAttribute(PDO::ATTR_SERVER_VERSION), 'MariaDB');
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}
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/**
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* Get the server version for the connection.
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*
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* @return string
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*/
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public function getServerVersion(): string
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{
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return str_contains($version = parent::getServerVersion(), 'MariaDB')
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? Str::between($version, '5.5.5-', '-MariaDB')
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: $version;
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}
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/**
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* Get the default query grammar instance.
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*
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* @return \Illuminate\Database\Query\Grammars\MySqlGrammar
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*/
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protected function getDefaultQueryGrammar()
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{
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($grammar = new QueryGrammar)->setConnection($this);
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return $this->withTablePrefix($grammar);
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}
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/**
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* Get a schema builder instance for the connection.
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*
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* @return \Illuminate\Database\Schema\MySqlBuilder
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*/
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public function getSchemaBuilder()
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{
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if (is_null($this->schemaGrammar)) {
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$this->useDefaultSchemaGrammar();
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}
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return new MySqlBuilder($this);
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}
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/**
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* Get the default schema grammar instance.
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*
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* @return \Illuminate\Database\Schema\Grammars\MySqlGrammar
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*/
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protected function getDefaultSchemaGrammar()
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{
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($grammar = new SchemaGrammar)->setConnection($this);
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return $this->withTablePrefix($grammar);
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}
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/**
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* Get the schema state for the connection.
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*
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* @param \Illuminate\Filesystem\Filesystem|null $files
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* @param callable|null $processFactory
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* @return \Illuminate\Database\Schema\MySqlSchemaState
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*/
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public function getSchemaState(?Filesystem $files = null, ?callable $processFactory = null)
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{
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return new MySqlSchemaState($this, $files, $processFactory);
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}
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/**
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* Get the default post processor instance.
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*
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* @return \Illuminate\Database\Query\Processors\MySqlProcessor
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*/
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protected function getDefaultPostProcessor()
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{
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return new MySqlProcessor;
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}
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}
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