Github user gatorsmile commented on the issue:
https://github.com/apache/spark/pull/15983
We are facing another behavior inconsistency between `CTAS + Append` and
`Insert Into`, because CTAS always repairt the table but InsertInto does not do
it. Below is an example.
```Scala
test("append with saveAsTable + partition management") {
withSQLConf(SQLConf.HIVE_MANAGE_FILESOURCE_PARTITIONS.key -> "true") {
withTable("test") {
withTempDir { dir =>
setupPartitionedDatasourceTable("test", dir)
spark.range(2).selectExpr("id as fieldOne", "id as partCol")
.write.partitionBy("partCol").mode("append").saveAsTable("test")
// all the partitions are visible
assert(spark.sql("select * from test").count() == 7)
}
}
}
}
test("insertInto + partition management") {
withSQLConf(SQLConf.HIVE_MANAGE_FILESOURCE_PARTITIONS.key -> "true") {
withTable("test") {
withTempDir { dir =>
setupPartitionedDatasourceTable("test", dir)
spark.range(2).selectExpr("id as fieldOne", "id as partCol")
.write.insertInto("test")
// only the involved partitions are visible
assert(spark.sql("select * from test").count() == 4)
}
}
}
}
```
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