wuchong 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_r335296059
##########
File path:
flink-table/flink-sql-parser/src/main/java/org/apache/flink/sql/parser/ddl/SqlCreateTable.java
##########
@@ -76,11 +80,11 @@ public SqlCreateTable(
SqlCharStringLiteral comment) {
super(OPERATOR, pos, false, false);
this.tableName = requireNonNull(tableName, "Table name is
missing");
- this.columnList = requireNonNull(columnList, "Column list
should not be null");
- this.primaryKeyList = primaryKeyList;
- this.uniqueKeysList = uniqueKeysList;
- this.propertyList = propertyList;
- this.partitionKeyList = partitionKeyList;
+ this.columnList = requireNonNull(columnList, "ColumnList should
not be null");
+ this.primaryKeyList = requireNonNull(primaryKeyList,
"PrimayKeyList should not be null");
Review comment:
If you want to refer a field name, just use the field name withouth
uppercase, i.e. `columnList`, `primaryKeyList`.
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