wuchong commented on code in PR #21322:
URL: https://github.com/apache/flink/pull/21322#discussion_r1093028337


##########
flink-table/flink-table-api-java/src/test/java/org/apache/flink/table/api/TableConfigTest.java:
##########
@@ -122,4 +124,14 @@ void testSetAndGetIdleStateRetention() {
         
assertThat(CONFIG_BY_METHOD.getIdleStateRetention()).isEqualTo(Duration.ofHours(1));
         
assertThat(CONFIG_BY_CONFIGURATION.getIdleStateRetention()).isEqualTo(Duration.ofHours(1));
     }
+    @Test

Review Comment:
   Add empty line.



##########
flink-table/flink-sql-client/src/main/java/org/apache/flink/table/client/config/SqlClientOptions.java:
##########
@@ -54,16 +54,18 @@ private SqlClientOptions() {}
                             "Determine whether to output the verbose output to 
the console. If set the option true, it will print the exception stack. 
Otherwise, it only output the cause.");
 
     // Display options
-
-    @Deprecated
+    /**
+     * Deprecated. Please use {@link 
TableConfigOptions#DISPLAY_MAX_COLUMN_WIDTH} instead.
+     * Please refer to FLINK-30862 for the reason that no @Deprecated has been 
used
+     */
     @Documentation.TableOption(execMode = 
Documentation.ExecMode.BATCH_STREAMING)
     public static final ConfigOption<Integer> DISPLAY_MAX_COLUMN_WIDTH =
             ConfigOptions.key("sql-client.display.max-column-width")
                     .intType()
                     .defaultValue(30)
                     
.withFallbackKeys(TableConfigOptions.DISPLAY_MAX_COLUMN_WIDTH.key())
                     .withDescription(
-                            "When printing the query results, this parameter 
determines the number of characters shown on screen before truncating."
-                                    + "This only applies to columns with 
variable-length types (e.g. STRING) in streaming mode."
-                                    + "Fixed-length types and all types in 
batch mode are printed using a deterministic column width");
+                            "@Deprecated: when printing the query results, 
this parameter determines the number of characters shown on screen before 
truncating. "

Review Comment:
   Would be better to mention the recommended configuration be mentioned? 



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