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<?php
namespace Illuminate\Database\Schema\Grammars;
use Illuminate\Database\Connection;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Fluent;
class SqlServerGrammar extends Grammar
{
/**
* If this Grammar supports schema changes wrapped in a transaction.
*
* @var bool
*/
protected $transactions = true;
/**
* The possible column modifiers.
*
* @var string[]
*/
protected $modifiers = ['Increment', 'Collate', 'Nullable', 'Default', 'Persisted'];
/**
* The columns available as serials.
*
* @var string[]
*/
protected $serials = ['tinyInteger', 'smallInteger', 'mediumInteger', 'integer', 'bigInteger'];
/**
* Compile a create database command.
*
* @param string $name
* @param \Illuminate\Database\Connection $connection
* @return string
*/
public function compileCreateDatabase($name, $connection)
{
return sprintf(
'create database %s',
$this->wrapValue($name),
);
}
/**
* Compile a drop database if exists command.
*
* @param string $name
* @return string
*/
public function compileDropDatabaseIfExists($name)
{
return sprintf(
'drop database if exists %s',
$this->wrapValue($name)
);
}
/**
* Compile the query to determine if a table exists.
*
* @return string
*/
public function compileTableExists()
{
return "select * from sys.sysobjects where id = object_id(?) and xtype in ('U', 'V')";
}
/**
* Compile the query to determine the list of columns.
*
* @param string $table
* @return string
*/
public function compileColumnListing($table)
{
return "select name from sys.columns where object_id = object_id('$table')";
}
/**
* Compile a create table command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileCreate(Blueprint $blueprint, Fluent $command)
{
$columns = implode(', ', $this->getColumns($blueprint));
return 'create table '.$this->wrapTable($blueprint)." ($columns)";
}
/**
* Compile a column addition table command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileAdd(Blueprint $blueprint, Fluent $command)
{
return sprintf('alter table %s add %s',
$this->wrapTable($blueprint),
implode(', ', $this->getColumns($blueprint))
);
}
/**
* Compile a rename column command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @param \Illuminate\Database\Connection $connection
* @return array|string
*/
public function compileRenameColumn(Blueprint $blueprint, Fluent $command, Connection $connection)
{
return $connection->usingNativeSchemaOperations()
? sprintf("sp_rename '%s', %s, 'COLUMN'",
$this->wrap($blueprint->getTable().'.'.$command->from),
$this->wrap($command->to)
)
: parent::compileRenameColumn($blueprint, $command, $connection);
}
/**
* Compile a primary key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compilePrimary(Blueprint $blueprint, Fluent $command)
{
return sprintf('alter table %s add constraint %s primary key (%s)',
$this->wrapTable($blueprint),
$this->wrap($command->index),
$this->columnize($command->columns)
);
}
/**
* Compile a unique key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileUnique(Blueprint $blueprint, Fluent $command)
{
return sprintf('create unique index %s on %s (%s)',
$this->wrap($command->index),
$this->wrapTable($blueprint),
$this->columnize($command->columns)
);
}
/**
* Compile a plain index key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileIndex(Blueprint $blueprint, Fluent $command)
{
return sprintf('create index %s on %s (%s)',
$this->wrap($command->index),
$this->wrapTable($blueprint),
$this->columnize($command->columns)
);
}
/**
* Compile a spatial index key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileSpatialIndex(Blueprint $blueprint, Fluent $command)
{
return sprintf('create spatial index %s on %s (%s)',
$this->wrap($command->index),
$this->wrapTable($blueprint),
$this->columnize($command->columns)
);
}
/**
* Compile a drop table command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDrop(Blueprint $blueprint, Fluent $command)
{
return 'drop table '.$this->wrapTable($blueprint);
}
/**
* Compile a drop table (if exists) command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropIfExists(Blueprint $blueprint, Fluent $command)
{
return sprintf('if exists (select * from sys.sysobjects where id = object_id(%s, \'U\')) drop table %s',
"'".str_replace("'", "''", $this->getTablePrefix().$blueprint->getTable())."'",
$this->wrapTable($blueprint)
);
}
/**
* Compile the SQL needed to drop all tables.
*
* @return string
*/
public function compileDropAllTables()
{
return "EXEC sp_msforeachtable 'DROP TABLE ?'";
}
/**
* Compile a drop column command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropColumn(Blueprint $blueprint, Fluent $command)
{
$columns = $this->wrapArray($command->columns);
$dropExistingConstraintsSql = $this->compileDropDefaultConstraint($blueprint, $command).';';
return $dropExistingConstraintsSql.'alter table '.$this->wrapTable($blueprint).' drop column '.implode(', ', $columns);
}
/**
* Compile a drop default constraint command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropDefaultConstraint(Blueprint $blueprint, Fluent $command)
{
$columns = "'".implode("','", $command->columns)."'";
$tableName = $this->getTablePrefix().$blueprint->getTable();
$sql = "DECLARE @sql NVARCHAR(MAX) = '';";
$sql .= "SELECT @sql += 'ALTER TABLE [dbo].[{$tableName}] DROP CONSTRAINT ' + OBJECT_NAME([default_object_id]) + ';' ";
$sql .= 'FROM sys.columns ';
$sql .= "WHERE [object_id] = OBJECT_ID('[dbo].[{$tableName}]') AND [name] in ({$columns}) AND [default_object_id] <> 0;";
$sql .= 'EXEC(@sql)';
return $sql;
}
/**
* Compile a drop primary key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropPrimary(Blueprint $blueprint, Fluent $command)
{
$index = $this->wrap($command->index);
return "alter table {$this->wrapTable($blueprint)} drop constraint {$index}";
}
/**
* Compile a drop unique key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropUnique(Blueprint $blueprint, Fluent $command)
{
$index = $this->wrap($command->index);
return "drop index {$index} on {$this->wrapTable($blueprint)}";
}
/**
* Compile a drop index command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropIndex(Blueprint $blueprint, Fluent $command)
{
$index = $this->wrap($command->index);
return "drop index {$index} on {$this->wrapTable($blueprint)}";
}
/**
* Compile a drop spatial index command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropSpatialIndex(Blueprint $blueprint, Fluent $command)
{
return $this->compileDropIndex($blueprint, $command);
}
/**
* Compile a drop foreign key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropForeign(Blueprint $blueprint, Fluent $command)
{
$index = $this->wrap($command->index);
return "alter table {$this->wrapTable($blueprint)} drop constraint {$index}";
}
/**
* Compile a rename table command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileRename(Blueprint $blueprint, Fluent $command)
{
$from = $this->wrapTable($blueprint);
return "sp_rename {$from}, ".$this->wrapTable($command->to);
}
/**
* Compile a rename index command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileRenameIndex(Blueprint $blueprint, Fluent $command)
{
return sprintf("sp_rename N'%s', %s, N'INDEX'",
$this->wrap($blueprint->getTable().'.'.$command->from),
$this->wrap($command->to)
);
}
/**
* Compile the command to enable foreign key constraints.
*
* @return string
*/
public function compileEnableForeignKeyConstraints()
{
return 'EXEC sp_msforeachtable @command1="print \'?\'", @command2="ALTER TABLE ? WITH CHECK CHECK CONSTRAINT all";';
}
/**
* Compile the command to disable foreign key constraints.
*
* @return string
*/
public function compileDisableForeignKeyConstraints()
{
return 'EXEC sp_msforeachtable "ALTER TABLE ? NOCHECK CONSTRAINT all";';
}
/**
* Compile the command to drop all foreign keys.
*
* @return string
*/
public function compileDropAllForeignKeys()
{
return "DECLARE @sql NVARCHAR(MAX) = N'';
SELECT @sql += 'ALTER TABLE '
+ QUOTENAME(OBJECT_SCHEMA_NAME(parent_object_id)) + '.' + + QUOTENAME(OBJECT_NAME(parent_object_id))
+ ' DROP CONSTRAINT ' + QUOTENAME(name) + ';'
FROM sys.foreign_keys;
EXEC sp_executesql @sql;";
}
/**
* Compile the command to drop all views.
*
* @return string
*/
public function compileDropAllViews()
{
return "DECLARE @sql NVARCHAR(MAX) = N'';
SELECT @sql += 'DROP VIEW ' + QUOTENAME(OBJECT_SCHEMA_NAME(object_id)) + '.' + QUOTENAME(name) + ';'
FROM sys.views;
EXEC sp_executesql @sql;";
}
/**
* Compile the SQL needed to retrieve all table names.
*
* @return string
*/
public function compileGetAllTables()
{
return "select name, type from sys.tables where type = 'U'";
}
/**
* Compile the SQL needed to retrieve all view names.
*
* @return string
*/
public function compileGetAllViews()
{
return "select name, type from sys.objects where type = 'V'";
}
/**
* Create the column definition for a char type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeChar(Fluent $column)
{
return "nchar({$column->length})";
}
/**
* Create the column definition for a string type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeString(Fluent $column)
{
return "nvarchar({$column->length})";
}
/**
* Create the column definition for a tiny text type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTinyText(Fluent $column)
{
return 'nvarchar(255)';
}
/**
* Create the column definition for a text type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeText(Fluent $column)
{
return 'nvarchar(max)';
}
/**
* Create the column definition for a medium text type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeMediumText(Fluent $column)
{
return 'nvarchar(max)';
}
/**
* Create the column definition for a long text type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeLongText(Fluent $column)
{
return 'nvarchar(max)';
}
/**
* Create the column definition for an integer type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeInteger(Fluent $column)
{
return 'int';
}
/**
* Create the column definition for a big integer type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeBigInteger(Fluent $column)
{
return 'bigint';
}
/**
* Create the column definition for a medium integer type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeMediumInteger(Fluent $column)
{
return 'int';
}
/**
* Create the column definition for a tiny integer type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTinyInteger(Fluent $column)
{
return 'tinyint';
}
/**
* Create the column definition for a small integer type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeSmallInteger(Fluent $column)
{
return 'smallint';
}
/**
* Create the column definition for a float type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeFloat(Fluent $column)
{
return 'float';
}
/**
* Create the column definition for a double type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeDouble(Fluent $column)
{
return 'float';
}
/**
* Create the column definition for a decimal type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeDecimal(Fluent $column)
{
return "decimal({$column->total}, {$column->places})";
}
/**
* Create the column definition for a boolean type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeBoolean(Fluent $column)
{
return 'bit';
}
/**
* Create the column definition for an enumeration type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeEnum(Fluent $column)
{
return sprintf(
'nvarchar(255) check ("%s" in (%s))',
$column->name,
$this->quoteString($column->allowed)
);
}
/**
* Create the column definition for a json type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeJson(Fluent $column)
{
return 'nvarchar(max)';
}
/**
* Create the column definition for a jsonb type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeJsonb(Fluent $column)
{
return 'nvarchar(max)';
}
/**
* Create the column definition for a date type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeDate(Fluent $column)
{
return 'date';
}
/**
* Create the column definition for a date-time type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeDateTime(Fluent $column)
{
return $this->typeTimestamp($column);
}
/**
* Create the column definition for a date-time (with time zone) type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeDateTimeTz(Fluent $column)
{
return $this->typeTimestampTz($column);
}
/**
* Create the column definition for a time type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTime(Fluent $column)
{
return $column->precision ? "time($column->precision)" : 'time';
}
/**
* Create the column definition for a time (with time zone) type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTimeTz(Fluent $column)
{
return $this->typeTime($column);
}
/**
* Create the column definition for a timestamp type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTimestamp(Fluent $column)
{
$columnType = $column->precision ? "datetime2($column->precision)" : 'datetime';
return $column->useCurrent ? "$columnType default CURRENT_TIMESTAMP" : $columnType;
}
/**
* Create the column definition for a timestamp (with time zone) type.
*
* @link https://docs.microsoft.com/en-us/sql/t-sql/data-types/datetimeoffset-transact-sql?view=sql-server-ver15
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTimestampTz(Fluent $column)
{
$columnType = $column->precision ? "datetimeoffset($column->precision)" : 'datetimeoffset';
return $column->useCurrent ? "$columnType default CURRENT_TIMESTAMP" : $columnType;
}
/**
* Create the column definition for a year type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeYear(Fluent $column)
{
return $this->typeInteger($column);
}
/**
* Create the column definition for a binary type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeBinary(Fluent $column)
{
return 'varbinary(max)';
}
/**
* Create the column definition for a uuid type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeUuid(Fluent $column)
{
return 'uniqueidentifier';
}
/**
* Create the column definition for an IP address type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeIpAddress(Fluent $column)
{
return 'nvarchar(45)';
}
/**
* Create the column definition for a MAC address type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeMacAddress(Fluent $column)
{
return 'nvarchar(17)';
}
/**
* Create the column definition for a spatial Geometry type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
public function typeGeometry(Fluent $column)
{
return 'geography';
}
/**
* Create the column definition for a spatial Point type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
public function typePoint(Fluent $column)
{
return 'geography';
}
/**
* Create the column definition for a spatial LineString type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
public function typeLineString(Fluent $column)
{
return 'geography';
}
/**
* Create the column definition for a spatial Polygon type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
public function typePolygon(Fluent $column)
{
return 'geography';
}
/**
* Create the column definition for a spatial GeometryCollection type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
public function typeGeometryCollection(Fluent $column)
{
return 'geography';
}
/**
* Create the column definition for a spatial MultiPoint type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
public function typeMultiPoint(Fluent $column)
{
return 'geography';
}
/**
* Create the column definition for a spatial MultiLineString type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
public function typeMultiLineString(Fluent $column)
{
return 'geography';
}
/**
* Create the column definition for a spatial MultiPolygon type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
public function typeMultiPolygon(Fluent $column)
{
return 'geography';
}
/**
* Create the column definition for a generated, computed column type.
*
* @param \Illuminate\Support\Fluent $column
* @return string|null
*/
protected function typeComputed(Fluent $column)
{
return "as ({$column->expression})";
}
/**
* Get the SQL for a collation column modifier.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $column
* @return string|null
*/
protected function modifyCollate(Blueprint $blueprint, Fluent $column)
{
if (! is_null($column->collation)) {
return ' collate '.$column->collation;
}
}
/**
* Get the SQL for a nullable column modifier.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $column
* @return string|null
*/
protected function modifyNullable(Blueprint $blueprint, Fluent $column)
{
if ($column->type !== 'computed') {
return $column->nullable ? ' null' : ' not null';
}
}
/**
* Get the SQL for a default column modifier.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $column
* @return string|null
*/
protected function modifyDefault(Blueprint $blueprint, Fluent $column)
{
if (! is_null($column->default)) {
return ' default '.$this->getDefaultValue($column->default);
}
}
/**
* Get the SQL for an auto-increment column modifier.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $column
* @return string|null
*/
protected function modifyIncrement(Blueprint $blueprint, Fluent $column)
{
if (in_array($column->type, $this->serials) && $column->autoIncrement) {
return ' identity primary key';
}
}
/**
* Get the SQL for a generated stored column modifier.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $column
* @return string|null
*/
protected function modifyPersisted(Blueprint $blueprint, Fluent $column)
{
if ($column->persisted) {
return ' persisted';
}
}
/**
* Wrap a table in keyword identifiers.
*
* @param \Illuminate\Database\Query\Expression|string $table
* @return string
*/
public function wrapTable($table)
{
if ($table instanceof Blueprint && $table->temporary) {
$this->setTablePrefix('#');
}
return parent::wrapTable($table);
}
/**
* Quote the given string literal.
*
* @param string|array $value
* @return string
*/
public function quoteString($value)
{
if (is_array($value)) {
return implode(', ', array_map([$this, __FUNCTION__], $value));
}
return "N'$value'";
}
}
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