Github user anoopsharma00 commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/913#discussion_r96706601
--- Diff: core/sql/optimizer/BindRelExpr.cpp ---
@@ -13445,6 +13435,14 @@ RelExpr * GenericUpdate::bindNode(BindWA *bindWA)
if (getOperatorType() == REL_UNARY_UPDATE ||
getOperatorType() == REL_UNARY_DELETE) {
+ if (getTableDesc()->getNATable()->isHiveTable())
+ {
+ *CmpCommon::diags() << DgSqlCode(-4223)
+ << DgString0("Update/Delete on Hive table is");
+ bindWA->setErrStatus();
+ return this;
+ }
+
--- End diff --
During binder phase, relational nodes are typed as REL_UNARY_UPDATE or
REL_UNARY_DELETE
for update or delete operations. Binder checks for them to determine if it
is an update or delete.
They may later get changed to other upd/del like subset/unique/cursor etc.
No update or delete operations are currently supported on hive tables.
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