Module: Activerecord::Multirange::Adapter

Defined in:
lib/activerecord-multirange/adapter.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.native_database_types ⇒ Object 



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# File 'lib/activerecord-multirange/adapter.rb', line 11

def self.native_database_types
  super.merge(Activerecord::Multirange::MULTIRANGE_TYPES)
end

Instance Method Details

#initialize_type_map(*params) ⇒ Object 



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# File 'lib/activerecord-multirange/adapter.rb', line 6

def initialize_type_map(*params)
  super
  load_multirange_types
end

#load_multirange_types ⇒ Object 



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# File 'lib/activerecord-multirange/adapter.rb', line 15

def load_multirange_types
  initializer =
    ::ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::OID::TypeMapInitializer
      .new(type_map)

  # Query for multirange types and their corresponding base types (not range types)
  # We need to get the range's subtype (e.g., date) not the range type itself
  query = "    SELECT m.oid, m.typname, m.typelem, m.typdelim, m.typinput::varchar,\n           pr.rngsubtype, m.typtype, m.typbasetype\n    FROM pg_type m\n    JOIN pg_range pr ON m.oid = pr.rngmultitypid\n    WHERE m.typtype = 'm';\n  QUERY\n\n  # Use exec_query for all Rails versions since execute_and_clear is private\n  result = exec_query(query, 'SCHEMA', [])\n\n  # Convert rows to hash format with column names as keys\n  records = result.rows.map { |row| result.columns.zip(row).to_h }\n  initializer.register_multirange_type(records)\nend\n".squish