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Versions: 9
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Contents
# frozen_string_literal: true
module ActiveRecord
module ConnectionAdapters
# MSSQL specific extensions to column definitions in a table.
class MSSQLColumn < Column
attr_reader :table_name
def initialize(name, raw_default, sql_type_metadata = nil, null = true, table_name = nil, default_function = nil, collation = nil, comment: nil)
@table_name = table_name
default = extract_default(raw_default)
super(name, default, sql_type_metadata, null, default_function, collation: collation, comment: comment)
end
def extract_default(value)
# return nil if default does not match the patterns to avoid
# any unexpected errors.
return unless value =~ /^\(N?'(.*)'\)$/m || value =~ /^\(\(?(.*?)\)?\)$/
unquote_string(Regexp.last_match[1])
end
def unquote_string(string)
string.to_s.gsub("''", "'")
end
def identity?
sql_type.downcase.include? 'identity'
end
def ==(other)
other.is_a?(MSSQLColumn) &&
super &&
table_name == other.table_name
end
alias :eql? :==
def hash
MSSQLColumn.hash ^
super.hash ^
table_name.hash
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems