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From nagarajanchinnasamy <...@git.apache.org>
Subject [GitHub] drill pull request #685: Drill 5043: Function that returns a unique id per s...
Date Mon, 30 Jan 2017 11:54:28 GMT
Github user nagarajanchinnasamy commented on a diff in the pull request:

    https://github.com/apache/drill/pull/685#discussion_r98425957
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/ContextFunctions.java
---
    @@ -64,17 +65,45 @@ public void eval() {
         @Inject DrillBuf buffer;
         @Workspace int currentSchemaBytesLength;
     
    +    @Override
         public void setup() {
           final byte[] currentSchemaBytes = contextInfo.getCurrentDefaultSchema().getBytes();
           buffer = buffer.reallocIfNeeded(currentSchemaBytes.length);
           currentSchemaBytesLength= currentSchemaBytes.length;
           buffer.setBytes(0, currentSchemaBytes);
         }
     
    +    @Override
         public void eval() {
           out.start = 0;
           out.end = currentSchemaBytesLength;
           out.buffer = buffer;
         }
       }
    +
    +  /**
    +   * Implement "session_id" function. Returns the unique id of the current session.
    +   */
    +  @FunctionTemplate(name = "session_id", scope = FunctionTemplate.FunctionScope.SIMPLE,
isNiladic = true)
    --- End diff --
    
    :) I checked the niladic functions... Will make the commit shortly.


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