Hisoka-X commented on code in PR #42763:
URL: https://github.com/apache/spark/pull/42763#discussion_r1351138719
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TableOutputResolver.scala:
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@@ -455,6 +457,19 @@ object TableOutputResolver {
}
}
+ def suitableForByNameCheck(
+ byName: Boolean,
+ expected: Seq[Attribute],
+ queryOutput: Seq[Attribute]): Unit = {
+ if (!byName && expected.size == queryOutput.size &&
+ expected.forall(e => queryOutput.exists(p => conf.resolver(p.name,
e.name))) &&
+ expected.zip(queryOutput).exists(e => !conf.resolver(e._1.name,
e._2.name))) {
+ logWarning("The query columns and the table columns have same names but
different " +
+ "orders. You can use INSERT [INTO | OVERWRITE] BY NAME to reorder the
query columns to " +
+ "align with the table columns.")
Review Comment:
In the situation you metioned, the warning message will not show up. It only
work when all field name equals but field name order mismatch.
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