Class

SQLDropEnumBuilder

Builds SQLDropEnum queries.

final class SQLDropEnumBuilder

Topics

Instance Properties

var database: any SQLDatabase
Connection to execute query on.
var dropEnum: SQLDropEnum
SQLDropEnum query being built.
var query: any SQLExpression
Query being built.

Instance Methods

func behavior(SQLDropBehavior) -> Self
The drop behavior clause specifies if objects that depend on a type should also be dropped or not when the type is dropped, for databases that support this.
func cascade() -> Self
Adds a CASCADE clause to the DROP TYPE statement instructing that objects that depend on this type should also be dropped.
func ifExists() -> Self
The optional IF EXISTS clause suppresses the error that would normally result if the type does not exist.
func restrict() -> Self
Adds a RESTRICT clause to the DROP TYPE statement instructing that if any objects depend on this type, the drop should be refused.

Relationships

Conforms To

SQLQueryBuilder

See Also

Query Builders

class SQLAlterEnumBuilder
Builds SQLAlterEnum queries.
class SQLAlterTableBuilder
Builds SQLAlterTable queries.
class SQLConflictUpdateBuilder
A builder for specifying column updates and an optional predicate to be applied to rows that caused unique key conflicts during an INSERT.
class SQLCreateEnumBuilder
Builds SQLCreateEnum queries.
class SQLCreateIndexBuilder
Builds SQLCreateIndex queries.
class SQLCreateTableBuilder
Builds SQLCreateTable queries.
class SQLCreateTriggerBuilder
Builds SQLCreateTrigger queries.
class SQLDeleteBuilder
Builds SQLDelete queries.
class SQLDropIndexBuilder
Builds SQLDropIndex queries.
class SQLDropTableBuilder
Builds SQLDropTable queries.
class SQLDropTriggerBuilder
Builds SQLDropTrigger queries.
class SQLInsertBuilder
Builds SQLInsert queries.
class SQLPredicateGroupBuilder
Nested SQLPredicateBuilder for building expression groups.
class SQLRawBuilder
Builds raw SQL queries.
class SQLReturningResultBuilder
A builder returned from the methods of SQLReturningBuilder; this builder wraps the original builder with one which provides SQLQueryFetcher conformance. As such, the returning(_:) methods must always be the last ones in any call chain.