You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@impala.apache.org by as...@apache.org on 2023/01/30 18:35:53 UTC

[impala] branch master updated: IMPALA-11835: [DOCS] Document that Iceberg Time Travel queries use the old schema.

This is an automated email from the ASF dual-hosted git repository.

asherman pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/impala.git


The following commit(s) were added to refs/heads/master by this push:
     new 52bdbe1f7 IMPALA-11835: [DOCS] Document that Iceberg Time Travel queries use the old schema.
52bdbe1f7 is described below

commit 52bdbe1f7e49f9f3cdb1a41c3d4a5fe6ec9e79f7
Author: Andrew Sherman <as...@cloudera.com>
AuthorDate: Tue Jan 10 11:11:06 2023 -0800

    IMPALA-11835: [DOCS] Document that Iceberg Time Travel queries use the old schema.
    
    Since IMPALA-10153, time travel queries use the schema of the table from
    the point specified by the time travel parameters. Update the docs to
    cover this change.
    
    TESTING:
    - Built docs locally
    
    Change-Id: I8ba0b604733c14b697d268b9ea2067a829c0e351
    Reviewed-on: http://gerrit.cloudera.org:8080/19420
    Reviewed-by: Impala Public Jenkins <im...@cloudera.com>
    Tested-by: Impala Public Jenkins <im...@cloudera.com>
---
 docs/topics/impala_iceberg.xml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/docs/topics/impala_iceberg.xml b/docs/topics/impala_iceberg.xml
index 5366e9ffc..32363f3de 100644
--- a/docs/topics/impala_iceberg.xml
+++ b/docs/topics/impala_iceberg.xml
@@ -498,9 +498,11 @@ DESCRIBE HISTORY ice_t BETWEEN '2022-01-04 10:00:00' AND '2022-01-05 10:00:00';
 </codeblock>
       </p>
 
-      <p>
-        Please note that during time travel, Impala uses the current table schema to query an older
-        snapshot of the table which might have had a different schema in the past.
+      <p rev="4.3.0 IMPALA-10893">
+        Please note that time travel queries are executed using the old schema of the table
+        from the point specified by the time travel parameters.
+        Prior to Impala 4.3.0 the current table schema is used to query an older
+        snapshot of the table, which might have had a different schema in the past.
       </p>
 
     </conbody>