method

build_change_column_definition

v7.1.3.4 - Show latest stable - 0 notes - Class: SchemaStatements

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0
3.0.9
3.1.0
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8
4.2.1
4.2.7
4.2.9
5.0.0.1
5.1.7
5.2.3
6.0.0
6.1.3.1
6.1.7.7
7.0.0
7.1.3.2 (0)
7.1.3.4 (0)
What's this?

build_change_column_definition(table_name, column_name, type, **options) public

Builds a ChangeColumnDefinition object.

This definition object contains information about the column change that would occur if the same arguments were passed to #change_column. See #change_column for information about passing a table_name, column_name, type and other options that can be passed.

Show source

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, line 424
        def build_change_column_definition(table_name, column_name, type, **options) # :nodoc:
          td = create_table_definition(table_name)
          cd = td.new_column_definition(column_name, type, **options)
          ChangeColumnDefinition.new(cd, column_name)
        end

build_change_column_definition

Related methods