Github user kkhatua commented on a diff in the pull request:
https://github.com/apache/drill/pull/907#discussion_r133859377
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/RegexpUtil.java
---
@@ -47,18 +47,55 @@
"[:alnum:]", "\\p{Alnum}"
};
+ // type of pattern string.
+ public enum sqlPatternType {
+ STARTS_WITH, // Starts with a constant string followed by any string
values (ABC%)
+ ENDS_WITH, // Ends with a constant string, starts with any string
values (%ABC)
+ CONTAINS, // Contains a constant string, starts and ends with any
string values (%ABC%)
--- End diff --
You should add a pattern of the form 'Starts with a constant, ends with
another constant, and has any string in between'
(ABC%XYZ)
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