Github user ericl commented on a diff in the pull request:
https://github.com/apache/spark/pull/16071#discussion_r90302152
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/PartitionProviderCompatibilitySuite.scala
---
@@ -205,6 +205,58 @@ class PartitionProviderCompatibilitySuite
}
}
}
+
+ test(s"SPARK-18635 special chars in partition values - partition
management $enabled") {
+ withTable("test") {
+ spark.range(10)
+ .selectExpr("id", "id as A", "'%' as B")
+ .write.partitionBy("A", "B").mode("overwrite")
+ .saveAsTable("test")
+ assert(spark.sql("select * from test").count() == 10)
+ assert(spark.sql("select * from test where B = '%'").count() == 10)
+ assert(spark.sql("select * from test where B = '$'").count() == 0)
+ spark.range(10)
+ .selectExpr("id", "id as A", "'=' as B")
+ .write.mode("append").insertInto("test")
+ spark.sql("insert into test partition (A, B) select id, id, '%='
from range(10)")
+ assert(spark.sql("select * from test").count() == 30)
+ assert(spark.sql("select * from test where B = '%'").count() == 10)
+ assert(spark.sql("select * from test where B = '='").count() == 10)
+ assert(spark.sql("select * from test where B = '%='").count() ==
10)
+
+ // show partitions sanity check
+ val parts = spark.sql("show partitions
test").collect().map(_.get(0)).toSeq
+ assert(parts.length == 30)
+ assert(parts.contains("A=0/B=%25"))
+ assert(parts.contains("A=0/B=%3D"))
+ assert(parts.contains("A=0/B=%25%3D"))
+
+ // custom locations sanity check
+ withTempDir { dir =>
+ spark.sql(s"""
+ |alter table test partition (A=0, B='%')
+ |set location '${dir.getAbsolutePath}'""".stripMargin)
+ assert(spark.sql("select * from test").count() == 29) //
missing 1
--- End diff --
Since the partition was moved, there are no files in the new location.
Hence -1 file
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