CheckSchema class final
A row CHECK expression. A null name leaves naming to the database.
Constructors
- CheckSchema(String? name, String expression)
-
Uses one trusted SQL expression for all dialects.
const
- CheckSchema.forDialects(String? name, {required String sqlite, required String postgres, String? mysql, String? mariadb})
-
Uses explicit dialect expressions; omitted engines remain unsupported.
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- mariadb → String?
-
Explicit MariaDB expression, or null when that dialect is unsupported.
final
- mysql → String?
-
Explicit MySQL expression, or null when that dialect is unsupported.
final
- name → String?
-
Physical constraint name, or null to retain an unnamed constraint.
final
- postgres → String
-
Trusted PostgreSQL expression using physical column names.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- sqlite → String
-
Trusted SQLite expression using physical column names.
final
Methods
-
expression(
SqlDialect dialect) → String - Returns the target expression or rejects an undeclared dialect.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited