Github user hsuanyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/397#discussion_r54954482
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/StringFunctions.java
---
@@ -770,6 +770,65 @@ public void eval() {
} // end of eval
}
+ /*
+ * Fill up the string to length 'length' by prepending the character ' '
in the beginning of 'text'.
+ * If the string is already longer than length, then it is truncated (on
the right).
+ */
+ @FunctionTemplate(name = "lpad", scope = FunctionScope.SIMPLE, nulls =
NullHandling.NULL_IF_NULL)
+ public static class LpadTwoArg implements DrillSimpleFunc {
--- End diff --
I already have some in TestFunctionsWithTypeExpoQueries
I added more to TestStringFunctions
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