Class: Sequel::Postgres::PGStringArray

Inherits:

PGArray

• Object
• Array
• PGArray
• Sequel::Postgres::PGStringArray

Defined in:

lib/sequel/extensions/pg_array.rb

Overview

PGArray subclass for handling char/varchar/text arrays.

Constant Summary

CHAR =

'char'.freeze

VARCHAR =

'varchar'.freeze

TEXT =

'text'.freeze

Constants inherited from PGArray

Sequel::Postgres::PGArray::ARRAY, Sequel::Postgres::PGArray::BACKSLASH, Sequel::Postgres::PGArray::CLOSE_BRACE, Sequel::Postgres::PGArray::CLOSE_BRACKET, Sequel::Postgres::PGArray::COMMA, Sequel::Postgres::PGArray::DOUBLE_COLON, Sequel::Postgres::PGArray::EMPTY_BRACKET, Sequel::Postgres::PGArray::EMPTY_STRING, Sequel::Postgres::PGArray::NULL, Sequel::Postgres::PGArray::OPEN_BRACE, Sequel::Postgres::PGArray::OPEN_BRACKET, Sequel::Postgres::PGArray::QUOTE

Instance Method Summary

• #array_type ⇒ Object

  By default, use a text array.

Methods inherited from PGArray

#initialize, #op, parse, #sql_literal_append

Methods inherited from Array

#case, #pg_array, #sql_expr, #sql_negate, #sql_or, #sql_string_join, #sql_value_list, #~

Constructor Details

This class inherits a constructor from Sequel::Postgres::PGArray

Instance Method Details

#array_type ⇒ Object

By default, use a text array. If char is given without a size, use varchar instead, as otherwise Postgres assumes length of 1, which is likely to cause data loss.

# File 'lib/sequel/extensions/pg_array.rb', line 419

def array_type
  case (c = super)
  when nil 
    TEXT
  when CHAR, :char
    VARCHAR
  else
    c
  end
end