Class: Sequel::JDBC::H2::Dataset

Constants

SELECT_CLAUSE_METHODS	=	clause_methods(:select, %w'distinct columns from join where group having compounds order limit')
BITWISE_METHOD_MAP	=	{:& =>:BITAND, :\| => :BITOR, :^ => :BITXOR}

Public Instance methods

complex_expression_sql(op, args)

Work around H2‘s lack of a case insensitive LIKE operator

[Source]

     # File lib/sequel/adapters/jdbc/h2.rb, line 113
113:         def complex_expression_sql(op, args)
114:           case op
115:           when :ILIKE
116:             super(:LIKE, [SQL::PlaceholderLiteralString.new("CAST(? AS VARCHAR_IGNORECASE)", [args.at(0)]), args.at(1)])
117:           when "NOT ILIKE""NOT ILIKE"
118:             super("NOT LIKE""NOT LIKE", [SQL::PlaceholderLiteralString.new("CAST(? AS VARCHAR_IGNORECASE)", [args.at(0)]), args.at(1)])
119:           when :&, :|, :^
120:             literal(SQL::Function.new(BITWISE_METHOD_MAP[op], *args))
121:           when :<<
122:             "(#{literal(args[0])} * POWER(2, #{literal(args[1])}))"
123:           when :>>
124:             "(#{literal(args[0])} / POWER(2, #{literal(args[1])}))"
125:           else
126:             super(op, args)
127:           end
128:         end

requires_sql_standard_datetimes?()

H2 requires SQL standard datetimes

[Source]

     # File lib/sequel/adapters/jdbc/h2.rb, line 131
131:         def requires_sql_standard_datetimes?
132:           true
133:         end

supports_is_true?()

H2 doesn‘t support IS TRUE

[Source]

     # File lib/sequel/adapters/jdbc/h2.rb, line 136
136:         def supports_is_true?
137:           false
138:         end

supports_join_using?()

H2 doesn‘t support JOIN USING

[Source]

     # File lib/sequel/adapters/jdbc/h2.rb, line 141
141:         def supports_join_using?
142:           false
143:         end

supports_multiple_column_in?()

H2 doesn‘t support multiple columns in IN/NOT IN

[Source]

     # File lib/sequel/adapters/jdbc/h2.rb, line 146
146:         def supports_multiple_column_in?
147:           false
148:         end

Methods

Constants

Public Instance methods