buptljy commented on a change in pull request #9843: [FLINK-14296] [Table SQL]
Use Optional for optional parameters in parser module
URL: https://github.com/apache/flink/pull/9843#discussion_r334313351
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File path:
flink-table/flink-sql-parser/src/main/java/org/apache/flink/sql/parser/ddl/SqlCreateTable.java
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@@ -57,12 +60,15 @@
private final SqlNodeList propertyList;
+ @Nullable
Review comment:
@danny0405 Yes, but this only works when it has columns. It doesn't work
for sql "create table tbl1". In this PR, I initialize `primaryKeyList` and
`uniqueKeysList` to avoid this situation.
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