Emulate the case insensitive LIKE operator and the bitwise operators.
# File lib/sequel/adapters/jdbc/h2.rb, line 172 def complex_expression_sql_append(sql, op, args) case op when :ILIKE, :"NOT ILIKE" super(sql, (op == :ILIKE ? :LIKE : :"NOT LIKE"), [SQL::PlaceholderLiteralString.new(ILIKE_PLACEHOLDER, [args[0]]), args[1]]) when :&, :|, :^, :<<, :>>, :'B~' complex_expression_emulate_append(sql, op, args) else super end end
H2 does not support derived column lists
# File lib/sequel/adapters/jdbc/h2.rb, line 184 def supports_derived_column_lists? false end
H2 doesn't support IS TRUE
# File lib/sequel/adapters/jdbc/h2.rb, line 194 def supports_is_true? false end
H2 doesn't support JOIN USING
# File lib/sequel/adapters/jdbc/h2.rb, line 199 def supports_join_using? false end
H2 doesn't support multiple columns in IN/NOT IN
# File lib/sequel/adapters/jdbc/h2.rb, line 204 def supports_multiple_column_in? false end
H2 expects hexadecimal strings for blob values
# File lib/sequel/adapters/jdbc/h2.rb, line 211 def literal_blob_append(sql, v) sql << "'" << v.unpack("H*").first << "'" end
H2 handles fractional seconds in timestamps, but not in times
# File lib/sequel/adapters/jdbc/h2.rb, line 216 def literal_sqltime(v) v.strftime("'%H:%M:%S'") end
H2 supports multiple rows in INSERT.
# File lib/sequel/adapters/jdbc/h2.rb, line 221 def multi_insert_sql_strategy :values end
# File lib/sequel/adapters/jdbc/h2.rb, line 225 def select_only_offset_sql(sql) sql << " LIMIT -1 OFFSET " literal_append(sql, @opts[:offset]) end
H2 supports quoted function names.
# File lib/sequel/adapters/jdbc/h2.rb, line 231 def supports_quoted_function_names? true end