KurtYoung commented on a change in pull request #10096:
[FLINK-14623][table-api] Add computed column information into TableSc…
URL: https://github.com/apache/flink/pull/10096#discussion_r342991588
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File path:
flink-table/flink-table-common/src/main/java/org/apache/flink/table/descriptors/DescriptorProperties.java
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@@ -257,6 +267,43 @@ public void putIndexedFixedProperties(String key,
List<String> subKeys, List<Lis
}
}
+ /**
+ * Adds an indexed sequence of properties (with sub-properties) under a
common key.
+ * Different with {@link #putIndexedFixedProperties}, this method
supports the properties
+ * value to be null, which would be ignore. The sub-properties should
at least have
+ * one non-null value.
+ *
+ * <p>For example:
+ *
+ * <pre>
+ * schema.fields.0.type = INT, schema.fields.0.name = test
+ * schema.fields.1.type = LONG, schema.fields.1.name = test2
+ * schema.fields.2.type = LONG, schema.fields.1.expr = test + 1
+ * </pre>
+ *
+ * <p>The arity of each subKeyValues must match the arity of
propertyKeys.
+ */
+ public void putIndexedOptionalProperties(String key, List<String>
subKeys, List<List<String>> subKeyValues) {
Review comment:
just extend the original `putIndexedFixedProperties` to support null?
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