aokolnychyi commented on code in PR #41448:
URL: https://github.com/apache/spark/pull/41448#discussion_r1221834754
##########
core/src/main/resources/error/error-classes.json:
##########
@@ -1513,6 +1513,13 @@
"Parse Mode: <failFastMode>. To process malformed records as null
result, try setting the option 'mode' as 'PERMISSIVE'."
]
},
+ "MERGE_CARDINALITY_VIOLATION" : {
+ "message" : [
+ "The ON search condition of the MERGE statement matched a single row
from the target table with multiple rows of the source table.",
+ "This could result in the target row being operated on more than once
with an update or delete operation and is not allowed."
+ ],
+ "sqlState" : "23000"
Review Comment:
If I remember correctly, the SQL standard reserves only a few subclasses and
all 5XX subclasses are custom so we are probably free to pick either one. In
that case, let's use 23509 like in SAP.
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