Class | Sequel::Postgres::PGRow::ArrayRow |
In: |
lib/sequel/extensions/pg_row.rb
|
Parent: | DelegateClass(Array) |
Class for row-valued/composite types that are treated as arrays. By default, this is only used for generic PostgreSQL record types, as registered types use HashRow by default.
new | -> | call |
Alias new to call, so that the class itself can be used directly as a converter. |
db_type | [RW] | The database type for this class. May be nil if this class done not have a specific database type. |
db_type | [W] | Sets the database type associated with this instance. This is used to override the class‘s default database type. |
Create a subclass associated with a specific database type. This is done so that instances of this subclass are automatically casted to the database type when literalizing.
# File lib/sequel/extensions/pg_row.rb, line 114 114: def self.subclass(db_type) 115: Class.new(self) do 116: @db_type = db_type 117: end 118: end
Return the instance‘s database type, or the class‘s database type if the instance has not overridden it.
# File lib/sequel/extensions/pg_row.rb, line 126 126: def db_type 127: @db_type || self.class.db_type 128: end
Append SQL fragment related to this object to the sql.
# File lib/sequel/extensions/pg_row.rb, line 131 131: def sql_literal_append(ds, sql) 132: sql << 'ROW' 133: ds.literal_append(sql, to_a) 134: if db_type 135: sql << '::' 136: ds.quote_schema_table_append(sql, db_type) 137: end 138: end