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https://issues.apache.org/jira/browse/FLINK-11010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16716164#comment-16716164
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ASF GitHub Bot commented on FLINK-11010:
----------------------------------------
walterddr commented on a change in pull request #7180: [FLINK-11010] [TABLE]
Flink SQL timestamp is inconsistent with currentProcessingTime()
URL: https://github.com/apache/flink/pull/7180#discussion_r240470904
##########
File path:
flink-libraries/flink-table/src/test/java/org/apache/flink/table/runtime/stream/sql/JavaSqlITCase.java
##########
@@ -164,4 +167,35 @@ public void testUnion() throws Exception {
StreamITCase.compareWithList(expected);
}
+
+ @Test
+ public void testProctime() throws Exception {
+ StreamExecutionEnvironment env =
StreamExecutionEnvironment.getExecutionEnvironment();
+ StreamTableEnvironment tableEnv =
TableEnvironment.getTableEnvironment(env);
+
+ DataStream<Tuple3<Integer, Long, String>> ds =
JavaStreamTestData.getSmall3TupleDataSet(env);
+ tableEnv.registerDataStream("MyTable", ds, "a, b, c,
proctime.proctime");
+
+ String sqlQuery = "select proctime from MyTable";
+
+ Table result = tableEnv.sqlQuery(sqlQuery);
+
+ tableEnv
+ .toAppendStream(result, TypeInformation.of(Row.class))
+ .addSink(new SinkFunction<Row>() {
+ @Override
+ public void invoke(Row value, Context context)
throws Exception {
+
+ Timestamp procTimestamp = (Timestamp)
value.getField(0);
+
+ // validate the second here
+ long procSecondTime =
procTimestamp.getTime() / 1000;
Review comment:
This causes me some trouble because cases can happen when they cross the
second boundary. this is not a stable ITCase in my opinion.
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> Flink SQL timestamp is inconsistent with currentProcessingTime()
> ----------------------------------------------------------------
>
> Key: FLINK-11010
> URL: https://issues.apache.org/jira/browse/FLINK-11010
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Affects Versions: 1.6.2, 1.7.0, 1.8.0, 1.7.1
> Reporter: lamber-ken
> Assignee: lamber-ken
> Priority: Major
> Labels: pull-request-available
>
> Flink SQL timestamp is inconsistent with currentProcessingTime().
>
> the ProcessingTime is just implemented by invoking System.currentTimeMillis()
> but the long value will be automatically wrapped to a Timestamp with the
> following statement:
> `new java.sql.Timestamp(time - TimeZone.getDefault().getOffset(time));`
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