luoyuxia commented on code in PR #19193:
URL: https://github.com/apache/flink/pull/19193#discussion_r843440633
##########
flink-table/flink-sql-parser/src/main/java/org/apache/flink/sql/parser/ddl/SqlAlterTable.java:
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@@ -94,4 +97,15 @@ public SqlNodeList getPartitionSpec() {
public LinkedHashMap<String, String> getPartitionKVs() {
return SqlPartitionUtils.getPartitionKVs(getPartitionSpec());
}
+
+ protected void printIndent(SqlWriter writer) {
+ writer.sep(",", false);
+ writer.newlineAndIndent();
+ writer.print(" ");
+ }
+
+ /** Alter table context. */
+ public static class AlterTableContext extends
SqlCreateTable.TableCreationContext {
+ public List<SqlNode> columnPositions = new ArrayList<>();
Review Comment:
Do we need `columnPositions`? Seems it is never used.
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