%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* This file is part of the Dibi, smart database abstraction layer (https://dibiphp.com)
* Copyright (c) 2005 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Dibi\Drivers;
use Dibi;
/**
* The reflector for Microsoft SQL Server and SQL Azure databases.
*/
class SqlsrvReflector implements Dibi\Reflector
{
use Dibi\Strict;
/** @var Dibi\Driver */
private $driver;
public function __construct(Dibi\Driver $driver)
{
$this->driver = $driver;
}
/**
* Returns list of tables.
*/
public function getTables(): array
{
$res = $this->driver->query("SELECT TABLE_NAME, TABLE_TYPE FROM INFORMATION_SCHEMA.TABLES WHERE [TABLE_SCHEMA] = 'dbo'");
$tables = [];
while ($row = $res->fetch(false)) {
$tables[] = [
'name' => $row[0],
'view' => isset($row[1]) && $row[1] === 'VIEW',
];
}
return $tables;
}
/**
* Returns metadata for all columns in a table.
*/
public function getColumns(string $table): array
{
$res = $this->driver->query("
SELECT c.name as COLUMN_NAME, c.is_identity AS AUTO_INCREMENT
FROM sys.columns c
INNER JOIN sys.tables t ON c.object_id = t.object_id
WHERE t.name = {$this->driver->escapeText($table)}
");
$autoIncrements = [];
while ($row = $res->fetch(true)) {
$autoIncrements[$row['COLUMN_NAME']] = (bool) $row['AUTO_INCREMENT'];
}
$res = $this->driver->query("
SELECT C.COLUMN_NAME, C.DATA_TYPE, C.CHARACTER_MAXIMUM_LENGTH , C.COLUMN_DEFAULT , C.NUMERIC_PRECISION, C.NUMERIC_SCALE , C.IS_NULLABLE, Case When Z.CONSTRAINT_NAME Is Null Then 0 Else 1 End As IsPartOfPrimaryKey
FROM INFORMATION_SCHEMA.COLUMNS As C
Outer Apply (
SELECT CCU.CONSTRAINT_NAME
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS As TC
Join INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE As CCU
On CCU.CONSTRAINT_NAME = TC.CONSTRAINT_NAME
WHERE TC.TABLE_SCHEMA = C.TABLE_SCHEMA
And TC.TABLE_NAME = C.TABLE_NAME
And TC.CONSTRAINT_TYPE = 'PRIMARY KEY'
And CCU.COLUMN_NAME = C.COLUMN_NAME
) As Z
WHERE C.TABLE_NAME = {$this->driver->escapeText($table)}
");
$columns = [];
while ($row = $res->fetch(true)) {
$columns[] = [
'name' => $row['COLUMN_NAME'],
'table' => $table,
'nativetype' => strtoupper($row['DATA_TYPE']),
'size' => $row['CHARACTER_MAXIMUM_LENGTH'],
'nullable' => $row['IS_NULLABLE'] === 'YES',
'default' => $row['COLUMN_DEFAULT'],
'autoincrement' => $autoIncrements[$row['COLUMN_NAME']],
'vendor' => $row,
];
}
return $columns;
}
/**
* Returns metadata for all indexes in a table.
*/
public function getIndexes(string $table): array
{
$keyUsagesRes = $this->driver->query(sprintf('EXEC [sys].[sp_helpindex] @objname = %s', $this->driver->escapeText($table)));
$keyUsages = [];
while ($row = $keyUsagesRes->fetch(true)) {
$keyUsages[$row['index_name']] = explode(',', $row['index_keys']);
}
$res = $this->driver->query("SELECT [i].* FROM [sys].[indexes] [i] INNER JOIN [sys].[tables] [t] ON [i].[object_id] = [t].[object_id] WHERE [t].[name] = {$this->driver->escapeText($table)}");
$indexes = [];
while ($row = $res->fetch(true)) {
$indexes[$row['name']]['name'] = $row['name'];
$indexes[$row['name']]['unique'] = $row['is_unique'] === 1;
$indexes[$row['name']]['primary'] = $row['is_primary_key'] === 1;
$indexes[$row['name']]['columns'] = $keyUsages[$row['name']] ?? [];
}
return array_values($indexes);
}
/**
* Returns metadata for all foreign keys in a table.
*/
public function getForeignKeys(string $table): array
{
throw new Dibi\NotImplementedException;
}
}
Zerion Mini Shell 1.0