impala-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From jruss...@apache.org
Subject [2/3] incubator-impala git commit: IMPALA-4859: [DOCS] Update example to show IS [NOT] NULL pushed to Kudu
Date Tue, 06 Jun 2017 18:41:31 GMT
IMPALA-4859: [DOCS] Update example to show IS [NOT] NULL pushed to Kudu

The discussion / illustration of which operators are pushed to Kudu
is under the EXPLAIN topic.

Change-Id: I3af6d3dbb10528081603c103bf1c2be2e6fc51c3
Reviewed-on: http://gerrit.cloudera.org:8080/7066
Reviewed-by: Matthew Jacobs <mj@cloudera.com>
Tested-by: Impala Public Jenkins


Project: http://git-wip-us.apache.org/repos/asf/incubator-impala/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-impala/commit/02eb18b1
Tree: http://git-wip-us.apache.org/repos/asf/incubator-impala/tree/02eb18b1
Diff: http://git-wip-us.apache.org/repos/asf/incubator-impala/diff/02eb18b1

Branch: refs/heads/master
Commit: 02eb18b12b01af2c012d2313aae6498c15214bd1
Parents: edf9f2f
Author: John Russell <jrussell@cloudera.com>
Authored: Fri Jun 2 14:50:31 2017 -0700
Committer: Impala Public Jenkins <impala-public-jenkins@gerrit.cloudera.org>
Committed: Tue Jun 6 18:15:27 2017 +0000

----------------------------------------------------------------------
 docs/topics/impala_explain.xml | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-impala/blob/02eb18b1/docs/topics/impala_explain.xml
----------------------------------------------------------------------
diff --git a/docs/topics/impala_explain.xml b/docs/topics/impala_explain.xml
index fefe574..f338636 100644
--- a/docs/topics/impala_explain.xml
+++ b/docs/topics/impala_explain.xml
@@ -253,20 +253,25 @@ EXPLAIN_LEVEL set to extended
       and non-primary key column <codeph>Y</codeph>, you can see that
       some operators in the <codeph>WHERE</codeph> clause are evaluated
       immediately by Kudu and others are evaluated later by Impala:
-<codeblock>
+    </p>
+
+<codeblock rev="2.9.0 IMPALA-4859">
 EXPLAIN SELECT x,y from kudu_table WHERE
-  x = 1 AND x NOT IN (2,3) AND y = 1
-  AND x IS NOT NULL AND x > 0;
+  x = 1 AND y NOT IN (2,3) AND z = 1
+  AND a IS NOT NULL AND b > 0 AND length(s) > 5;
 +----------------
 | Explain String
 +----------------
 ...
-| 00:SCAN KUDU [jrussell.hash_only]
-|    predicates: x IS NOT NULL, x NOT IN (2, 3)
-|    kudu predicates: x = 1, x > 0, y = 1
+| 00:SCAN KUDU [kudu_table]
+|    predicates: y NOT IN (2, 3), length(s) > 5
+|    kudu predicates: a IS NOT NULL, b > 0, x = 1, z = 1
 </codeblock>
-      Only binary predicates and <codeph>IN</codeph> predicates containing
-      literal values that exactly match the types in the Kudu table, and do not
+
+    <p rev="2.9.0 IMPALA-4859">
+      Only binary predicates, <codeph>IS NULL</codeph> and <codeph>IS NOT
NULL</codeph>
+      (in <keyword keyref="impala29"/> and higher), and <codeph>IN</codeph>
predicates
+      containing literal values that exactly match the types in the Kudu table, and do not
       require any casting, can be pushed to Kudu.
     </p>
 


Mime
View raw message