496 lines
12 KiB
PHP
496 lines
12 KiB
PHP
<?php
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namespace Illuminate\Database\Schema;
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use Closure;
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use Illuminate\Container\Container;
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use Illuminate\Database\Connection;
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use InvalidArgumentException;
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use LogicException;
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class Builder
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{
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/**
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* The database connection instance.
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*
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* @var \Illuminate\Database\Connection
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*/
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protected $connection;
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/**
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* The schema grammar instance.
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*
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* @var \Illuminate\Database\Schema\Grammars\Grammar
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*/
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protected $grammar;
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/**
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* The Blueprint resolver callback.
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*
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* @var \Closure
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*/
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protected $resolver;
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/**
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* The default string length for migrations.
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*
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* @var int|null
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*/
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public static $defaultStringLength = 255;
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/**
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* The default relationship morph key type.
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*
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* @var string
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*/
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public static $defaultMorphKeyType = 'int';
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/**
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* Indicates whether Doctrine DBAL usage will be prevented if possible when dropping and renaming columns.
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*
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* @var bool
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*/
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public static $alwaysUsesNativeSchemaOperationsIfPossible = false;
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/**
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* Create a new database Schema manager.
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*
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* @param \Illuminate\Database\Connection $connection
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* @return void
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*/
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public function __construct(Connection $connection)
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{
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$this->connection = $connection;
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$this->grammar = $connection->getSchemaGrammar();
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}
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/**
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* Set the default string length for migrations.
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*
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* @param int $length
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* @return void
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*/
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public static function defaultStringLength($length)
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{
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static::$defaultStringLength = $length;
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}
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/**
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* Set the default morph key type for migrations.
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*
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* @param string $type
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* @return void
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*
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* @throws \InvalidArgumentException
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*/
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public static function defaultMorphKeyType(string $type)
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{
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if (! in_array($type, ['int', 'uuid', 'ulid'])) {
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throw new InvalidArgumentException("Morph key type must be 'int', 'uuid', or 'ulid'.");
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}
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static::$defaultMorphKeyType = $type;
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}
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/**
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* Set the default morph key type for migrations to UUIDs.
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*
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* @return void
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*/
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public static function morphUsingUuids()
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{
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return static::defaultMorphKeyType('uuid');
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}
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/**
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* Set the default morph key type for migrations to ULIDs.
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*
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* @return void
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*/
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public static function morphUsingUlids()
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{
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return static::defaultMorphKeyType('ulid');
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}
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/**
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* Attempt to use native schema operations for dropping and renaming columns, even if Doctrine DBAL is installed.
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*
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* @param bool $value
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* @return void
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*/
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public static function useNativeSchemaOperationsIfPossible(bool $value = true)
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{
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static::$alwaysUsesNativeSchemaOperationsIfPossible = $value;
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}
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/**
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* Create a database in the schema.
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*
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* @param string $name
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* @return bool
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*
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* @throws \LogicException
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*/
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public function createDatabase($name)
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{
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throw new LogicException('This database driver does not support creating databases.');
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}
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/**
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* Drop a database from the schema if the database exists.
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*
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* @param string $name
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* @return bool
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*
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* @throws \LogicException
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*/
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public function dropDatabaseIfExists($name)
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{
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throw new LogicException('This database driver does not support dropping databases.');
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}
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/**
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* Determine if the given table exists.
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*
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* @param string $table
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* @return bool
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*/
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public function hasTable($table)
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{
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$table = $this->connection->getTablePrefix().$table;
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return count($this->connection->selectFromWriteConnection(
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$this->grammar->compileTableExists(), [$table]
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)) > 0;
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}
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/**
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* Determine if the given table has a given column.
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*
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* @param string $table
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* @param string $column
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* @return bool
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*/
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public function hasColumn($table, $column)
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{
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return in_array(
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strtolower($column), array_map('strtolower', $this->getColumnListing($table))
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);
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}
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/**
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* Determine if the given table has given columns.
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*
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* @param string $table
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* @param array $columns
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* @return bool
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*/
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public function hasColumns($table, array $columns)
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{
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$tableColumns = array_map('strtolower', $this->getColumnListing($table));
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foreach ($columns as $column) {
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if (! in_array(strtolower($column), $tableColumns)) {
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return false;
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}
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}
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return true;
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}
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/**
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* Execute a table builder callback if the given table has a given column.
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*
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* @param string $table
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* @param string $column
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* @param \Closure $callback
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* @return void
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*/
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public function whenTableHasColumn(string $table, string $column, Closure $callback)
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{
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if ($this->hasColumn($table, $column)) {
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$this->table($table, fn (Blueprint $table) => $callback($table));
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}
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}
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/**
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* Execute a table builder callback if the given table doesn't have a given column.
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*
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* @param string $table
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* @param string $column
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* @param \Closure $callback
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* @return void
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*/
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public function whenTableDoesntHaveColumn(string $table, string $column, Closure $callback)
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{
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if (! $this->hasColumn($table, $column)) {
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$this->table($table, fn (Blueprint $table) => $callback($table));
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}
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}
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/**
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* Get the data type for the given column name.
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*
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* @param string $table
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* @param string $column
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* @return string
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*/
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public function getColumnType($table, $column)
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{
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$table = $this->connection->getTablePrefix().$table;
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return $this->connection->getDoctrineColumn($table, $column)->getType()->getName();
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}
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/**
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* Get the column listing for a given table.
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*
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* @param string $table
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* @return array
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*/
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public function getColumnListing($table)
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{
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$results = $this->connection->selectFromWriteConnection($this->grammar->compileColumnListing(
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$this->connection->getTablePrefix().$table
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));
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return $this->connection->getPostProcessor()->processColumnListing($results);
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}
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/**
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* Modify a table on the schema.
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*
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* @param string $table
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* @param \Closure $callback
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* @return void
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*/
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public function table($table, Closure $callback)
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{
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$this->build($this->createBlueprint($table, $callback));
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}
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/**
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* Create a new table on the schema.
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*
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* @param string $table
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* @param \Closure $callback
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* @return void
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*/
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public function create($table, Closure $callback)
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{
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$this->build(tap($this->createBlueprint($table), function ($blueprint) use ($callback) {
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$blueprint->create();
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$callback($blueprint);
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}));
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}
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/**
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* Drop a table from the schema.
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*
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* @param string $table
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* @return void
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*/
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public function drop($table)
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{
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$this->build(tap($this->createBlueprint($table), function ($blueprint) {
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$blueprint->drop();
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}));
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}
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/**
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* Drop a table from the schema if it exists.
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*
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* @param string $table
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* @return void
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*/
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public function dropIfExists($table)
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{
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$this->build(tap($this->createBlueprint($table), function ($blueprint) {
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$blueprint->dropIfExists();
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}));
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}
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/**
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* Drop columns from a table schema.
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*
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* @param string $table
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* @param string|array $columns
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* @return void
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*/
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public function dropColumns($table, $columns)
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{
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$this->table($table, function (Blueprint $blueprint) use ($columns) {
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$blueprint->dropColumn($columns);
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});
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}
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/**
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* Drop all tables from the database.
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*
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* @return void
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*
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* @throws \LogicException
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*/
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public function dropAllTables()
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{
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throw new LogicException('This database driver does not support dropping all tables.');
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}
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/**
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* Drop all views from the database.
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*
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* @return void
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*
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* @throws \LogicException
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*/
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public function dropAllViews()
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{
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throw new LogicException('This database driver does not support dropping all views.');
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}
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/**
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* Drop all types from the database.
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*
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* @return void
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*
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* @throws \LogicException
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*/
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public function dropAllTypes()
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{
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throw new LogicException('This database driver does not support dropping all types.');
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}
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/**
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* Get all of the table names for the database.
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*
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* @return void
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*
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* @throws \LogicException
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*/
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public function getAllTables()
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{
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throw new LogicException('This database driver does not support getting all tables.');
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}
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/**
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* Rename a table on the schema.
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*
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* @param string $from
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* @param string $to
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* @return void
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*/
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public function rename($from, $to)
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{
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$this->build(tap($this->createBlueprint($from), function ($blueprint) use ($to) {
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$blueprint->rename($to);
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}));
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}
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/**
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* Enable foreign key constraints.
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*
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* @return bool
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*/
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public function enableForeignKeyConstraints()
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{
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return $this->connection->statement(
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$this->grammar->compileEnableForeignKeyConstraints()
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);
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}
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/**
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* Disable foreign key constraints.
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*
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* @return bool
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*/
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public function disableForeignKeyConstraints()
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{
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return $this->connection->statement(
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$this->grammar->compileDisableForeignKeyConstraints()
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);
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}
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/**
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* Disable foreign key constraints during the execution of a callback.
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*
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* @param \Closure $callback
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* @return mixed
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*/
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public function withoutForeignKeyConstraints(Closure $callback)
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{
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$this->disableForeignKeyConstraints();
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$result = $callback();
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$this->enableForeignKeyConstraints();
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return $result;
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}
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/**
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* Execute the blueprint to build / modify the table.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @return void
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*/
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protected function build(Blueprint $blueprint)
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{
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$blueprint->build($this->connection, $this->grammar);
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}
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/**
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* Create a new command set with a Closure.
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*
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* @param string $table
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* @param \Closure|null $callback
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* @return \Illuminate\Database\Schema\Blueprint
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*/
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protected function createBlueprint($table, Closure $callback = null)
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{
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$prefix = $this->connection->getConfig('prefix_indexes')
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? $this->connection->getConfig('prefix')
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: '';
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if (isset($this->resolver)) {
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return call_user_func($this->resolver, $table, $callback, $prefix);
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}
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return Container::getInstance()->make(Blueprint::class, compact('table', 'callback', 'prefix'));
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}
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/**
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* Get the database connection instance.
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*
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* @return \Illuminate\Database\Connection
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*/
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public function getConnection()
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{
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return $this->connection;
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}
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/**
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* Set the database connection instance.
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*
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* @param \Illuminate\Database\Connection $connection
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* @return $this
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*/
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public function setConnection(Connection $connection)
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{
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$this->connection = $connection;
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return $this;
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}
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/**
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* Set the Schema Blueprint resolver callback.
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*
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* @param \Closure $resolver
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* @return void
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*/
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public function blueprintResolver(Closure $resolver)
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{
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$this->resolver = $resolver;
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}
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}
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