KurtYoung commented on a change in pull request #8758: [FLINK-12867] Add insert
overwrite grammar as HIVE dialect
URL: https://github.com/apache/flink/pull/8758#discussion_r294211461
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File path:
flink-table/flink-sql-parser/src/main/java/org/apache/flink/sql/parser/dml/RichSqlInsert.java
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@@ -93,6 +97,41 @@ public SqlNodeList getStaticPartitions() {
getSource().unparse(writer, 0, 0);
}
+ //~ Tools
------------------------------------------------------------------
+
+ public static boolean isUpsert2(List<SqlLiteral> keywords) {
+ for (SqlNode keyword : keywords) {
+ RichSqlInsertKeyword keyword2 =
+ ((SqlLiteral)
keyword).symbolValue(RichSqlInsertKeyword.class);
+ if (keyword2 == RichSqlInsertKeyword.UPSERT) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /** Returns whether this is an UPSERT. */
+ public boolean isUpsert2() {
+ return getModifierNode2(RichSqlInsertKeyword.UPSERT) != null;
+ }
+
+ /** Returns whether the insert mode is overwrite
+ * (for whole table or for specific partitions). */
+ public boolean isOverwrite() {
+ return getModifierNode2(RichSqlInsertKeyword.OVERWRITE) != null;
+ }
+
+ private SqlNode getModifierNode2(RichSqlInsertKeyword modifier) {
Review comment:
just name it with `getModifierNode`?
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