<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\VarDumper\Caster;
use Symfony\Component\VarDumper\Cloner\Stub;
/**
* Casts pqsql resources to array representation.
*
* @author Nicolas Grekas <[email protected]>
*
* @final
*/
class PgSqlCaster
{
private const PARAM_CODES = [
'server_encoding',
'client_encoding',
'is_superuser',
'session_authorization',
'DateStyle',
'TimeZone',
'IntervalStyle',
'integer_datetimes',
'application_name',
'standard_conforming_strings',
];
private const TRANSACTION_STATUS = [
\PGSQL_TRANSACTION_IDLE => 'PGSQL_TRANSACTION_IDLE',
\PGSQL_TRANSACTION_ACTIVE => 'PGSQL_TRANSACTION_ACTIVE',
\PGSQL_TRANSACTION_INTRANS => 'PGSQL_TRANSACTION_INTRANS',
\PGSQL_TRANSACTION_INERROR => 'PGSQL_TRANSACTION_INERROR',
\PGSQL_TRANSACTION_UNKNOWN => 'PGSQL_TRANSACTION_UNKNOWN',
];
private const RESULT_STATUS = [
\PGSQL_EMPTY_QUERY => 'PGSQL_EMPTY_QUERY',
\PGSQL_COMMAND_OK => 'PGSQL_COMMAND_OK',
\PGSQL_TUPLES_OK => 'PGSQL_TUPLES_OK',
\PGSQL_COPY_OUT => 'PGSQL_COPY_OUT',
\PGSQL_COPY_IN => 'PGSQL_COPY_IN',
\PGSQL_BAD_RESPONSE => 'PGSQL_BAD_RESPONSE',
\PGSQL_NONFATAL_ERROR => 'PGSQL_NONFATAL_ERROR',
\PGSQL_FATAL_ERROR => 'PGSQL_FATAL_ERROR',
];
private const DIAG_CODES = [
'severity' => \PGSQL_DIAG_SEVERITY,
'sqlstate' => \PGSQL_DIAG_SQLSTATE,
'message' => \PGSQL_DIAG_MESSAGE_PRIMARY,
'detail' => \PGSQL_DIAG_MESSAGE_DETAIL,
'hint' => \PGSQL_DIAG_MESSAGE_HINT,
'statement position' => \PGSQL_DIAG_STATEMENT_POSITION,
'internal position' => \PGSQL_DIAG_INTERNAL_POSITION,
'internal query' => \PGSQL_DIAG_INTERNAL_QUERY,
'context' => \PGSQL_DIAG_CONTEXT,
'file' => \PGSQL_DIAG_SOURCE_FILE,
'line' => \PGSQL_DIAG_SOURCE_LINE,
'function' => \PGSQL_DIAG_SOURCE_FUNCTION,
];
public static function castLargeObject($lo, array $a, Stub $stub, bool $isNested)
{
$a['seek position'] = pg_lo_tell($lo);
return $a;
}
public static function castLink($link, array $a, Stub $stub, bool $isNested)
{
$a['status'] = pg_connection_status($link);
$a['status'] = new ConstStub(\PGSQL_CONNECTION_OK === $a['status'] ? 'PGSQL_CONNECTION_OK' : 'PGSQL_CONNECTION_BAD', $a['status']);
$a['busy'] = pg_connection_busy($link);
$a['transaction'] = pg_transaction_status($link);
if (isset(self::TRANSACTION_STATUS[$a['transaction']])) {
$a['transaction'] = new ConstStub(self::TRANSACTION_STATUS[$a['transaction']], $a['transaction']);
}
$a['pid'] = pg_get_pid($link);
$a['last error'] = pg_last_error($link);
$a['last notice'] = pg_last_notice($link);
$a['host'] = pg_host($link);
$a['port'] = pg_port($link);
$a['dbname'] = pg_dbname($link);
$a['options'] = pg_options($link);
$a['version'] = pg_version($link);
foreach (self::PARAM_CODES as $v) {
if (false !== $s = pg_parameter_status($link, $v)) {
$a['param'][$v] = $s;
}
}
$a['param']['client_encoding'] = pg_client_encoding($link);
$a['param'] = new EnumStub($a['param']);
return $a;
}
public static function castResult($result, array $a, Stub $stub, bool $isNested)
{
$a['num rows'] = pg_num_rows($result);
$a['status'] = pg_result_status($result);
if (isset(self::RESULT_STATUS[$a['status']])) {
$a['status'] = new ConstStub(self::RESULT_STATUS[$a['status']], $a['status']);
}
$a['command-completion tag'] = pg_result_status($result, \PGSQL_STATUS_STRING);
if (-1 === $a['num rows']) {
foreach (self::DIAG_CODES as $k => $v) {
$a['error'][$k] = pg_result_error_field($result, $v);
}
}
$a['affected rows'] = pg_affected_rows($result);
$a['last OID'] = pg_last_oid($result);
$fields = pg_num_fields($result);
for ($i = 0; $i < $fields; ++$i) {
$field = [
'name' => pg_field_name($result, $i),
'table' => sprintf('%s (OID: %s)', pg_field_table($result, $i), pg_field_table($result, $i, true)),
'type' => sprintf('%s (OID: %s)', pg_field_type($result, $i), pg_field_type_oid($result, $i)),
'nullable' => (bool) pg_field_is_null($result, $i),
'storage' => pg_field_size($result, $i).' bytes',
'display' => pg_field_prtlen($result, $i).' chars',
];
if (' (OID: )' === $field['table']) {
$field['table'] = null;
}
if ('-1 bytes' === $field['storage']) {
$field['storage'] = 'variable size';
} elseif ('1 bytes' === $field['storage']) {
$field['storage'] = '1 byte';
}
if ('1 chars' === $field['display']) {
$field['display'] = '1 char';
}
$a['fields'][] = new EnumStub($field);
}
return $a;
}
}