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module ActiveRecord
module ConnectionAdapters
class PostgreSQLTypeMetadata < DelegateClass(SqlTypeMetadata)
attr_reader :oid, :fmod, :array
def initialize(type_metadata, oid: nil, fmod: nil)
super(type_metadata)
@type_metadata = type_metadata
@oid = oid
@fmod = fmod
@array = /\[\]$/.match?(type_metadata.sql_type)
end
def sql_type
super.gsub(/\[\]$/, "".freeze)
end
def ==(other)
other.is_a?(PostgreSQLTypeMetadata) &&
attributes_for_hash == other.attributes_for_hash
end
alias eql? ==
def hash
attributes_for_hash.hash
end
protected
def attributes_for_hash
[self.class, @type_metadata, oid, fmod]
end
end
end
end
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