Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/1123#discussion_r168777355
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillConvertletTable.java
---
@@ -34,10 +40,17 @@
public static HashMap<SqlOperator, SqlRexConvertlet> map = new
HashMap<>();
public static SqlRexConvertletTable INSTANCE = new
DrillConvertletTable();
+ private static SqlRexConvertlet sqrtConvertlet = new SqlRexConvertlet() {
--- End diff --
Please add comment explaining why we need sqrt specific convertlet.
---
