Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/685#discussion_r92454190
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/ContextFunctions.java
---
@@ -77,4 +76,28 @@ public void eval() {
out.buffer = buffer;
}
}
+
+ /**
+ * Implement "session_id" function. Returns the unique id of the current
session.
+ */
+ @FunctionTemplate(name = "session_id", scope =
FunctionTemplate.FunctionScope.SIMPLE)
+ public static class SessionId implements DrillSimpleFunc {
+ @Output VarCharHolder out;
+ @Inject ContextInformation contextInfo;
+ @Inject DrillBuf buffer;
+ @Workspace int sessionIdBytesLength;
+
+ public void setup() {
--- End diff --
Annotate with `@Override`, here and below.
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