apache/spark — pull request #1146 by rxin (2014-06-20 05:54:03+00:00)
Title: [SPARK-2218] rename Equals to EqualsTo in Spark SQL expressions.

Due to the existence of scala.Equals, it is very error prone to name the expression Equals, especially because we use a lot of partial functions and pattern matching in the optimizer.

Note that this sits on top of #1144.