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Change Log (V4.2 to V4.3):

Server Updates:

• Refactored EXTA.
• Added new parameter -restore when starting server to support restoring data from backup file directory.
• Parameters of Server.config private_addr and public_addr now support domain name.
• Added interface ListData, is_null tag, and Backup in proto, and added sub_types in Property.

UQL New Features:

• Added new property type point and list (string[], text[], int32[], uint32[], int64[], uint64[], float[], double[], timestamp[], datetime[]).
• Support property value of null and null-related operations.
• Aggregate functions ignore null.
• Added new functions IS NULL, IS NOT NULL, point(), distance(), listContains().
• Added new operator DISTINCT.
• Commands find() and khop() now support prefix keyword OPTIONAL.

UQL Modifications:

• Function name changes:
  • distinct() -> dedup()
• Function collect() keeps all the information of NODE/EDGE/PATH.
• Removed alias type ARRAY, and merge list into ATTR.
• Omitted property when inserting and property created after inserting are null.
• Refactored prefix keyword EXPLAIN and PROFILE.

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

Documentation license: Creative Commons 4.0