[flink] 04/08: [FLINK-24399][table-common] Improved DataType#getChildren javadoc

[twalthr]

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twalthr pushed a commit to branch master
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commit 66bd2ed652dce9c9eb3d03bc31ab89600b2c708d
Author: slinkydeveloper <francescogu...@gmail.com>
AuthorDate: Wed Sep 29 17:52:43 2021 +0200

    [FLINK-24399][table-common] Improved DataType#getChildren javadoc
    
    Signed-off-by: slinkydeveloper <francescogu...@gmail.com>
---
 .../src/main/java/org/apache/flink/table/types/DataType.java        | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git 
a/flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/DataType.java
 
b/flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/DataType.java
index 23c0e85..a947496 100644
--- 
a/flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/DataType.java
+++ 
b/flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/DataType.java
@@ -97,6 +97,12 @@ public abstract class DataType implements 
AbstractDataType<DataType>, Serializab
         return conversionClass;
     }
 
+    /**
+     * Returns the children of this data type, if any. Returns an empty list 
if this data type is
+     * atomic.
+     *
+     * @return the children data types
+     */
     public abstract List<DataType> getChildren();
 
     public abstract <R> R accept(DataTypeVisitor<R> visitor);