pub fn build_remove_constraint(
backend: DatabaseBackend,
table: &str,
constraint: &TableConstraint,
current_schema: &[TableDef],
pending_constraints: &[TableConstraint],
) -> Result<Vec<BuiltQuery>, QueryError>pub fn build_remove_constraint(
backend: DatabaseBackend,
table: &str,
constraint: &TableConstraint,
current_schema: &[TableDef],
pending_constraints: &[TableConstraint],
) -> Result<Vec<BuiltQuery>, QueryError>