apache/age v0.3.0.rc0-incubating

Release Notes For v0.3.0

on GitHub

Added openCypher functionality for standard and user defined functions.

• Added the following openCypher functions:
  • Trigonometric: e, sqrt, exp, log, log10, degrees, radians, pi, sin, cos, tan, asin, acos, atan, & atan2.
  • String: replace, split, left, right, substring, rTrim, lTrim, trim, toUpper, toLower, reverse, & toString.
  • Numeric: rand, abs, ceil, floor, round, & sign.
• Added user defined functions of the form:
  • schema.function

Currently working on aggregate function support.

• Added the following openCypher aggregate functions:
  • min, max, stDev, stDevP, percentileCont, percentileDisc & count.
  • avg & sum are added but may need to be reworked.

Added Exists clause:

• exists(property)
• exists(pattern)

Property Constraints

• The MATCH clause supports using property constraints.

Set Clause Added

• Support for updating a single property value
• Multiple SET clauses can be used in a single query
• Supported to work with MATCH, CREATE, and REMOVE clauses

Remove Clause Added

• Support for removing a single property values
• Multiple REMOVE clauses can be used in a single query
• Supported to work with MATCH, CREATE, and SET clauses

Define Extension’s Behaviour when dropped

• Added a process to occur when the extension is dropped in Postgres.