Method: Sequel::SQLite::DatasetMethods#complex_expression_sql

Defined in:
lib/sequel/adapters/shared/sqlite.rb

#complex_expression_sql(op, args) ⇒ Object

SQLite does not support pattern matching via regular expressions. SQLite is case insensitive (depending on pragma), so use LIKE for ILIKE.



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# File 'lib/sequel/adapters/shared/sqlite.rb', line 295

def complex_expression_sql(op, args)
  case op
  when :~, :'!~', :'~*', :'!~*'
    raise Error, "SQLite does not support pattern matching via regular expressions"
  when :LIKE, :'NOT LIKE', :ILIKE, :'NOT ILIKE'
    # SQLite is case insensitive for ASCII, and non case sensitive for other character sets
    "#{'NOT ' if [:'NOT LIKE', :'NOT ILIKE'].include?(op)}(#{literal(args.at(0))} LIKE #{literal(args.at(1))})"
  else
    super(op, args)
  end
end