110 lines
2.8 KiB
PHP
110 lines
2.8 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\PostgresGrammar as QueryGrammar;
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use Illuminate\Database\Query\Processors\PostgresProcessor;
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use Illuminate\Database\Schema\Grammars\PostgresGrammar as SchemaGrammar;
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use Illuminate\Database\Schema\PostgresBuilder;
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use Illuminate\Database\Schema\PostgresSchemaState;
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use Illuminate\Filesystem\Filesystem;
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class PostgresConnection 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}'::bytea";
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}
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/**
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* Escape a bool value for safe SQL embedding.
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*
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* @param bool $value
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* @return string
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*/
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protected function escapeBool($value)
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{
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return $value ? 'true' : 'false';
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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 '23505' === $exception->getCode();
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}
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/**
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* Get the default query grammar instance.
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*
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* @return \Illuminate\Database\Query\Grammars\PostgresGrammar
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*/
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protected function getDefaultQueryGrammar()
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{
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($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\PostgresBuilder
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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 PostgresBuilder($this);
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}
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/**
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* Get the default schema grammar instance.
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*
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* @return \Illuminate\Database\Schema\Grammars\PostgresGrammar
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*/
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protected function getDefaultSchemaGrammar()
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{
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($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\PostgresSchemaState
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*/
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public function getSchemaState(?Filesystem $files = null, ?callable $processFactory = null)
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{
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return new PostgresSchemaState($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\PostgresProcessor
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*/
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protected function getDefaultPostProcessor()
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{
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return new PostgresProcessor;
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}
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}
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