activerecord/lib/active_record/connection_adapters/sqlite3/quoting.rb
# frozen_string_literal: true
module ActiveRecord
module ConnectionAdapters
module SQLite3
module Quoting # :nodoc:
extend ActiveSupport::Concern
QUOTED_COLUMN_NAMES = Concurrent::Map.new # :nodoc:
QUOTED_TABLE_NAMES = Concurrent::Map.new # :nodoc:
module ClassMethods # :nodoc:
def column_name_matcher
/
\A
(
(?:
# "table_name"."column_name" | function(one or no argument)
((?:\w+\.|"\w+"\.)?(?:\w+|"\w+") | \w+\((?:|\g<2>)\))
)
(?:(?:\s+AS)?\s+(?:\w+|"\w+"))?
)
(?:\s*,\s*\g<1>)*
\z
/ix
end
def column_name_with_order_matcher
/
\A
(
(?:
# "table_name"."column_name" | function(one or no argument)
((?:\w+\.|"\w+"\.)?(?:\w+|"\w+") | \w+\((?:|\g<2>)\))
)
(?:\s+COLLATE\s+(?:\w+|"\w+"))?
(?:\s+ASC|\s+DESC)?
)
(?:\s*,\s*\g<1>)*
\z
/ix
end
def quote_column_name(name)
QUOTED_COLUMN_NAMES[name] ||= %Q("#{name.to_s.gsub('"', '""')}").freeze
end
def quote_table_name(name)
QUOTED_TABLE_NAMES[name] ||= %Q("#{name.to_s.gsub('"', '""').gsub(".", "\".\"")}").freeze
end
end
def quote_string(s)
::SQLite3::Database.quote(s)
end
def quote_table_name_for_assignment(table, attr)
quote_column_name(attr)
end
def quoted_time(value)
value = value.change(year: 2000, month: 1, day: 1)
quoted_date(value).sub(/\A\d\d\d\d-\d\d-\d\d /, "2000-01-01 ")
end
def quoted_binary(value)
"x'#{value.hex}'"
end
def quoted_true
"1"
end
def unquoted_true
1
end
def quoted_false
"0"
end
def unquoted_false
0
end
def quote_default_expression(value, column) # :nodoc:
if value.is_a?(Proc)
value = value.call
if value.match?(/\A\w+\(.*\)\z/)
"(#{value})"
else
value
end
else
super
end
end
def type_cast(value) # :nodoc:
case value
when BigDecimal, Rational
value.to_f
when String
if value.encoding == Encoding::ASCII_8BIT
super(value.encode(Encoding::UTF_8))
else
super
end
else
super
end
end
end
end
end
end