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https://issues.apache.org/jira/browse/FLINK-7548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16221813#comment-16221813
 ] 

ASF GitHub Bot commented on FLINK-7548:
---------------------------------------

Github user twalthr commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4894#discussion_r146575110
  
    --- Diff: 
flink-connectors/flink-hbase/src/main/java/org/apache/flink/addons/hbase/HBaseTableSource.java
 ---
    @@ -89,34 +98,50 @@ public void addColumn(String family, String qualifier, 
Class<?> clazz) {
         * @param charset Name of the charset to use.
         */
        public void setCharset(String charset) {
    -           this.schema.setCharset(charset);
    +           this.hBaseSchema.setCharset(charset);
        }
     
        @Override
        public TypeInformation<Row> getReturnType() {
    -           String[] famNames = schema.getFamilyNames();
    -           TypeInformation<?>[] typeInfos = new 
TypeInformation[famNames.length];
    +           return new RowTypeInfo(getFieldTypes(), getFieldNames());
    +   }
    +
    +   public TableSchema getTableSchema() {
    --- End diff --
    
    Add `@Override` annotation.


> Support watermark generation for TableSource
> --------------------------------------------
>
>                 Key: FLINK-7548
>                 URL: https://issues.apache.org/jira/browse/FLINK-7548
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API & SQL
>            Reporter: Jark Wu
>            Assignee: Fabian Hueske
>            Priority: Blocker
>             Fix For: 1.4.0
>
>
> As discussed in FLINK-7446, currently the TableSource only support to define 
> rowtime field, but not support to extract watermarks from the rowtime field. 
> We can provide a new interface called {{DefinedWatermark}}, which has two 
> methods {{getRowtimeAttribute}} (can only be an existing field) and 
> {{getWatermarkGenerator}}. The {{DefinedRowtimeAttribute}} will be marked 
> deprecated.
> How to support periodic and punctuated watermarks and support some built-in 
> strategies needs further discussion.



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