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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-21762) REPL DUMP to support new format for replication policy input to take included tables list.
Date Wed, 12 Jun 2019 15:52:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-21762?focusedWorklogId=258846&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-258846
]

ASF GitHub Bot logged work on HIVE-21762:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Jun/19 15:51
            Start Date: 12/Jun/19 15:51
    Worklog Time Spent: 10m 
      Work Description: sankarh commented on pull request #664: HIVE-21762: REPL DUMP to support
new format for replication policy input to take included tables list.
URL: https://github.com/apache/hive/pull/664#discussion_r292990309
 
 

 ##########
 File path: ql/src/java/org/apache/hadoop/hive/ql/parse/ReplicationSemanticAnalyzer.java
 ##########
 @@ -131,21 +130,33 @@ private void setTxnConfigs() {
     }
   }
 
-  private boolean isValidTablesList(Tree tablesListTree) {
-    if (tablesListTree.getChildCount() <= 1) {
-      // If one or zero child, then it is valid.
-      // For single table replication, the valid format is <db_name>.<table_name>.
-      // To include multiple tables (t1 and t2), then valid format is <db_name>.[t1,
t2].
-      // So, single child is always valid either it is table_name or tables_list.
-      return true;
-    }
-    assert(tablesListTree.getChildCount() == 2);
+  private void setReplDumpTablesList(Tree replTablesNode) throws HiveException {
+    assert(replTablesNode.getChildCount() <= 2);
+
+    // Traverse the children which can be either just include tables list or both include
+    // and exclude tables lists.
+    for (int listIdx = 0; listIdx < replTablesNode.getChildCount(); listIdx++) {
 
 Review comment:
   Done
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 258846)
    Time Spent: 5.5h  (was: 5h 20m)

> REPL DUMP to support new format for replication policy input to take included tables
list.
> ------------------------------------------------------------------------------------------
>
>                 Key: HIVE-21762
>                 URL: https://issues.apache.org/jira/browse/HIVE-21762
>             Project: Hive
>          Issue Type: Sub-task
>          Components: repl
>            Reporter: Sankar Hariappan
>            Assignee: Sankar Hariappan
>            Priority: Major
>              Labels: DR, Replication, pull-request-available
>         Attachments: HIVE-21762.01.patch, HIVE-21762.02.patch, HIVE-21762.03.patch, HIVE-21762.04.patch,
HIVE-21762.05.patch, HIVE-21762.06.patch
>
>          Time Spent: 5.5h
>  Remaining Estimate: 0h
>
> - REPL DUMP syntax:
> {code}
> REPL DUMP <repl_policy> [FROM <last_repl_id> WITH <key_values_list>;
> {code}
> - New format for the Replication policy have 3 parts all separated with Dot (.). 
> 1. First part is DB name.
> 2. Second part is included list. Comma separated table names/regex with in square brackets[].
 If square brackets are not there, then it is treated as single table replication which skips
DB level events.
> 3. Third part is excluded list. Comma separated table names/regex with in square brackets[].
> {code}
> <db_name> -- Full DB replication which is currently supported
> <db_name>.['.*?']  -- Full DB replication
> <db_name>.[] -- Replicate just functions and not include any tables.
> <db_name>.['t1', 't2']  -- DB replication with static list of tables t1 and t2
included.
> <db_name>.['t1*', 't2', '*t3'].['t100', '5t3', 't4'] -- DB replication with all
tables having prefix t1, with suffix t3 and include table t2 and exclude t100 which has the
prefix t1, 5t3 which suffix t3 and t4.
> {code}
> - Need to support regular expression of any format. 
> - A table is included in dump only if it matches the regular expressions in included
list and doesn't match the excluded list.



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