144 lines
3.6 KiB
PHP
Executable File
144 lines
3.6 KiB
PHP
Executable File
<?php
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namespace Illuminate\Database;
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use Exception;
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use Illuminate\Database\Query\Grammars\SQLiteGrammar as QueryGrammar;
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use Illuminate\Database\Query\Processors\SQLiteProcessor;
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use Illuminate\Database\Schema\Grammars\SQLiteGrammar as SchemaGrammar;
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use Illuminate\Database\Schema\SQLiteBuilder;
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use Illuminate\Database\Schema\SqliteSchemaState;
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use Illuminate\Filesystem\Filesystem;
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class SQLiteConnection extends Connection
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{
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/**
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* {@inheritdoc}
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*/
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public function getDriverTitle()
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{
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return 'SQLite';
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}
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/**
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* Run the statement to start a new transaction.
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*
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* @return void
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*/
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protected function executeBeginTransactionStatement()
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{
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if (version_compare(PHP_VERSION, '8.4.0', '>=')) {
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$mode = $this->getConfig('transaction_mode') ?? 'DEFERRED';
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$this->getPdo()->exec("BEGIN {$mode} TRANSACTION");
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return;
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}
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$this->getPdo()->beginTransaction();
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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 (bool) preg_match('#(column(s)? .* (is|are) not unique|UNIQUE constraint failed: .*)#i', $exception->getMessage());
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}
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/**
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* Extract the columns that caused a unique constraint violation.
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*
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* @param Exception $exception
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* @return array{index: null, columns: list<string>}
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*/
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protected function parseUniqueConstraintViolation(Exception $exception): array
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{
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preg_match('#UNIQUE constraint failed: (.+)#i', $exception->getMessage(), $matches);
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$columns = [];
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if (isset($matches[1])) {
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$columns = array_map(
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static fn ($col) => last(explode('.', trim($col))),
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explode(',', $matches[1])
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);
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}
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return ['columns' => $columns, 'index' => null];
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}
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/**
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* Get the default query grammar instance.
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*
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* @return \Illuminate\Database\Query\Grammars\SQLiteGrammar
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*/
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protected function getDefaultQueryGrammar()
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{
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return new QueryGrammar($this);
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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\SQLiteBuilder
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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 SQLiteBuilder($this);
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}
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/**
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* Get the default schema grammar instance.
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*
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* @return \Illuminate\Database\Schema\Grammars\SQLiteGrammar
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*/
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protected function getDefaultSchemaGrammar()
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{
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return new SchemaGrammar($this);
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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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*
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* @throws \RuntimeException
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*/
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public function getSchemaState(?Filesystem $files = null, ?callable $processFactory = null)
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{
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return new SqliteSchemaState($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\SQLiteProcessor
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*/
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protected function getDefaultPostProcessor()
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{
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return new SQLiteProcessor;
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}
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}
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