[zeppelin] branch branch-0.9 updated: [ZEPPELIN-5193] Describe table using full table name in FlinkSQL can not work

[zjffdu]

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

zjffdu pushed a commit to branch branch-0.9
in repository https://gitbox.apache.org/repos/asf/zeppelin.git


The following commit(s) were added to refs/heads/branch-0.9 by this push:
     new ad8dd9f  [ZEPPELIN-5193] Describe table using full table name in 
FlinkSQL can  not work
ad8dd9f is described below

commit ad8dd9f2da8d5a18c73f3cc5155c12e46011a9b8
Author: Jeff Zhang <zjf...@apache.org>
AuthorDate: Mon Jun 14 23:38:31 2021 +0800

    [ZEPPELIN-5193] Describe table using full table name in FlinkSQL can  not 
work
    
    ### What is this PR for?
    
    Simple PR to make describing table via full table name in flink sql work. 
Just split full table name via `dot` separator. So that flink api can recognize 
it correctly. See unit test for more details.
    
    ### What type of PR is it?
    [ Improvement]
    
    ### Todos
    * [ ] - Task
    
    ### What is the Jira issue?
    * https://issues.apache.org/jira/browse/ZEPPELIN-5193
    
    ### How should this be tested?
    * CI pass
    
    ### Screenshots (if appropriate)
    
    ### Questions:
    * Does the licenses files need update? No
    * Is there breaking changes for older versions? No
    * Does this needs documentation? No
    
    Author: Jeff Zhang <zjf...@apache.org>
    
    Closes #4138 from zjffdu/ZEPPELIN-5193 and squashes the following commits:
    
    5b5c2817f7 [Jeff Zhang] [ZEPPELIN-5193]. Describe table using full table 
name in FlinkSQL can not work
    
    (cherry picked from commit c45f4152d022968d617616025ca0386130cbb4e5)
    Signed-off-by: Jeff Zhang <zjf...@apache.org>
---
 .../main/java/org/apache/zeppelin/flink/FlinkSqlInterrpeter.java | 2 +-
 .../test/java/org/apache/zeppelin/flink/SqlInterpreterTest.java  | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git 
a/flink/flink-scala-parent/src/main/java/org/apache/zeppelin/flink/FlinkSqlInterrpeter.java
 
b/flink/flink-scala-parent/src/main/java/org/apache/zeppelin/flink/FlinkSqlInterrpeter.java
index b4ce193..baa6ea7 100644
--- 
a/flink/flink-scala-parent/src/main/java/org/apache/zeppelin/flink/FlinkSqlInterrpeter.java
+++ 
b/flink/flink-scala-parent/src/main/java/org/apache/zeppelin/flink/FlinkSqlInterrpeter.java
@@ -469,7 +469,7 @@ public abstract class FlinkSqlInterrpeter extends 
AbstractInterpreter {
   }
 
   private void callDescribe(String name, InterpreterContext context) throws 
IOException {
-    TableSchema schema = tbenv.scan(name).getSchema();
+    TableSchema schema = tbenv.scan(name.split("\\.")).getSchema();
     StringBuilder builder = new StringBuilder();
     builder.append("Column\tType\n");
     for (int i = 0; i < schema.getFieldCount(); ++i) {
diff --git 
a/flink/flink-scala-parent/src/test/java/org/apache/zeppelin/flink/SqlInterpreterTest.java
 
b/flink/flink-scala-parent/src/test/java/org/apache/zeppelin/flink/SqlInterpreterTest.java
index 1d49686..debe9d1 100644
--- 
a/flink/flink-scala-parent/src/test/java/org/apache/zeppelin/flink/SqlInterpreterTest.java
+++ 
b/flink/flink-scala-parent/src/test/java/org/apache/zeppelin/flink/SqlInterpreterTest.java
@@ -195,6 +195,15 @@ public abstract class SqlInterpreterTest {
     assertEquals("table\nsource\n", resultMessages.get(0).getData());
 
     context = getInterpreterContext();
+    result = sqlInterpreter.interpret("describe db1.source", context);
+    assertEquals(Code.SUCCESS, result.code());
+    resultMessages = context.out.toInterpreterResultMessage();
+    assertEquals(Type.TABLE, resultMessages.get(0).getType());
+    assertEquals("Column\tType\n" +
+                    "msg\tINT\n"
+            , resultMessages.get(0).getData());
+
+    context = getInterpreterContext();
     result = sqlInterpreter.interpret("use default", context);
     assertEquals(Code.SUCCESS, result.code());