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Change Log (V4.1 to V4.2):

Server Updates:

• Improved metadata structure and reduced memory usage.
• Improved data storage and data modification.
• Supports EXTA (Extended Algorithm and All) that allows users to write custom algorithm plug-ins and function plug-ins.
• Adds Server.docker_mem_usage_path and Server.memory_max_limit in config to allow memory limit control for Cloud version.
• Supports setting time-zone for timestamp via SDKs.

UQL New Features:

• Supports property type text that does not have length limit.
• Data type list (or understood array) now supports obtaining elements by index, eg: list[0], list[1:2], list[2:].
• Operations INSERT, UPDATE and DELETE now support parameter limit().
• Adds new functions: dateFormat(), toString(), ifnull(), reduce().
• Adds prefix keywords EXPLAIN, DEBUG and PROFILE to display performance statistics from different aspects.
• Clause WHERE now supports aggregate functions.

UQL Modifications:

• Much wider naming conventions of schema, property, and alias.
• Function name changes:
  • date_add() -> dateAdd()
  • date_diff() -> dateDiff()
  • day_of_week() -> dayOfWeek()
  • array_union() -> listUnion()
  • starts_with() -> startsWith()
  • ends_with() -> endsWith()
• Modified Math Operators and Math Functions rules for null data.

The Ultipa Query Language is created and designed by Ultipa Team.

Documentation license: Creative Commons 4.0