class Sequel::Postgres::PGRow::ArrayRow

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.

Attributes

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.

Public Class Methods

subclass(db_type) click to toggle source

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 115
def self.subclass(db_type)
  Class.new(self) do
    @db_type = db_type
  end
end

Public Instance Methods

db_type() click to toggle source

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 127
def db_type
  @db_type || self.class.db_type
end
sql_literal_append(ds, sql) click to toggle source

Append SQL fragment related to this object to the sql.

# File lib/sequel/extensions/pg_row.rb, line 132
def sql_literal_append(ds, sql)
  sql << ROW
  ds.literal_append(sql, to_a)
  if db_type
    sql << CAST
    ds.quote_schema_table_append(sql, db_type)
  end
end