morrySnow commented on code in PR #24657:
URL: https://github.com/apache/doris/pull/24657#discussion_r1331364850


##########
fe/fe-core/src/main/java/org/apache/doris/nereids/glue/translator/PhysicalPlanTranslator.java:
##########
@@ -353,6 +354,19 @@ public PlanFragment 
visitPhysicalOlapTableSink(PhysicalOlapTableSink<? extends P
         PlanFragment rootFragment = olapTableSink.child().accept(this, 
context);
         rootFragment.setOutputPartition(DataPartition.UNPARTITIONED);
 
+        if (olapTableSink.isIgnoreMode()) {
+            OlapTable dstTable = olapTableSink.getTargetTable();
+            if (dstTable.getKeysType() != KeysType.UNIQUE_KEYS || 
!dstTable.getEnableUniqueKeyMergeOnWrite()) {
+                throw new AnalysisException("ignore mode can only be enabled 
if the target table is "
+                        + "a unique table with merge-on-write enabled.");
+            } else if (olapTableSink.isPartialUpdate()) {
+                throw new AnalysisException("ignore mode can't be used in 
partial update.");
+            } else if (olapTableSink.getTargetTable().hasSequenceCol()) {
+                throw new AnalysisException("ignore mode can't be used if the 
target table has sequence column, "
+                        + "but table[" + dstTable.getName() + "] has sequnce 
column.");
+            }

Review Comment:
   i think we should check this in bindSink



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