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new 2b7ebe5afac6 [HUDI-8161] Make spark-sql command 'desc' independent
from schema evolution config (#17858)
2b7ebe5afac6 is described below
commit 2b7ebe5afac60469d9fa2858a38603e69c4c86e8
Author: Lin Liu <[email protected]>
AuthorDate: Mon Feb 9 20:10:25 2026 -0800
[HUDI-8161] Make spark-sql command 'desc' independent from schema evolution
config (#17858)
---------
Co-authored-by: Vova Kolmakov <[email protected]>
Co-authored-by: Vova Kolmakov <[email protected]>
---
.../spark/sql/hudi/ddl/TestDescribeTable.scala | 117 +++++++++++++++++++++
.../hudi/analysis/HoodieSpark32PlusAnalysis.scala | 4 +
2 files changed, 121 insertions(+)
diff --git
a/hudi-spark-datasource/hudi-spark/src/test/scala/org/apache/spark/sql/hudi/ddl/TestDescribeTable.scala
b/hudi-spark-datasource/hudi-spark/src/test/scala/org/apache/spark/sql/hudi/ddl/TestDescribeTable.scala
new file mode 100644
index 000000000000..0bcfaf4023ab
--- /dev/null
+++
b/hudi-spark-datasource/hudi-spark/src/test/scala/org/apache/spark/sql/hudi/ddl/TestDescribeTable.scala
@@ -0,0 +1,117 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.sql.hudi.ddl
+
+import org.apache.spark.sql.Row
+import org.apache.spark.sql.hudi.common.HoodieSparkSqlTestBase
+
+import java.util.function.Predicate
+
+class TestDescribeTable extends HoodieSparkSqlTestBase {
+
+ test("Test desc hudi table command") {
+ withTempDir { tmp =>
+ val tbName = "wk_date"
+ val basePath = s"${tmp.getCanonicalPath}/$tbName"
+
+ spark.sql(
+ s"""
+ |create table $tbName (id int, driver string, precomb int, dat
string)
+ | using hudi
+ | partitioned by(dat)
+ | tblproperties(
+ | type='cow',
+ | primaryKey='id',
+ | preCombineField='precomb'
+ | )
+ | location '$basePath'
+ """.stripMargin)
+
+ // just for scala-2.11 compatibility
+ val locationInFirstColumn: Predicate[Row] = new Predicate[Row] {
+ def test(row: Row): Boolean = row(0).equals("Location")
+ }
+
+ spark.sql("set hoodie.schema.on.read.enable=false")
+ var output: java.util.List[Row] = spark.sql(s"describe extended
$tbName").collectAsList()
+ assert(output.stream().anyMatch(locationInFirstColumn))
+
+ spark.sql("set hoodie.schema.on.read.enable=true")
+ output = spark.sql(s"desc formatted $tbName").collectAsList()
+ assert(output.stream().anyMatch(locationInFirstColumn))
+
+ output = spark.sql(s"describe table extended $tbName").collectAsList()
+ assert(output.stream().anyMatch(locationInFirstColumn))
+
+ // DESC returns only columns and partitions when run without 'extended'
or 'formatted' keywords
+ output = spark.sql(s"describe table $tbName").collectAsList()
+ assert(output.stream().noneMatch(locationInFirstColumn))
+
+ output = spark.sql(s"desc table $tbName").collectAsList()
+ assert(output.stream().noneMatch(locationInFirstColumn))
+
+ output = spark.sql(s"desc $tbName").collectAsList()
+ assert(output.stream().noneMatch(locationInFirstColumn))
+ }
+ }
+
+ test("Test desc non-hudi table command") {
+ withTempDir { tmp =>
+ val tbName = "wk_date"
+ val basePath = s"${tmp.getCanonicalPath}/$tbName"
+
+ spark.sql(
+ s"""
+ |create table $tbName (
+ | id int,
+ | driver string,
+ | precomb int,
+ | dat string
+ |)
+ | using parquet
+ | location '$basePath'
+ """.stripMargin)
+
+ // just for scala-2.11 compatibility
+ val locationInFirstColumn: Predicate[Row] = new Predicate[Row] {
+ def test(row: Row): Boolean = row(0).equals("Location")
+ }
+
+ spark.sql("set hoodie.schema.on.read.enable=false")
+ var output: java.util.List[Row] = spark.sql(s"describe extended
$tbName").collectAsList()
+ assert(output.stream().anyMatch(locationInFirstColumn))
+
+ spark.sql("set hoodie.schema.on.read.enable=true")
+ output = spark.sql(s"desc formatted $tbName").collectAsList()
+ assert(output.stream().anyMatch(locationInFirstColumn))
+
+ output = spark.sql(s"describe table extended $tbName").collectAsList()
+ assert(output.stream().anyMatch(locationInFirstColumn))
+
+ // DESC returns only columns and partitions when run without 'extended'
or 'formatted' keywords
+ output = spark.sql(s"describe table $tbName").collectAsList()
+ assert(output.stream().noneMatch(locationInFirstColumn))
+
+ output = spark.sql(s"desc table $tbName").collectAsList()
+ assert(output.stream().noneMatch(locationInFirstColumn))
+
+ output = spark.sql(s"desc $tbName").collectAsList()
+ assert(output.stream().noneMatch(locationInFirstColumn))
+ }
+ }
+}
diff --git
a/hudi-spark-datasource/hudi-spark3.2plus-common/src/main/scala/org/apache/spark/sql/hudi/analysis/HoodieSpark32PlusAnalysis.scala
b/hudi-spark-datasource/hudi-spark3.2plus-common/src/main/scala/org/apache/spark/sql/hudi/analysis/HoodieSpark32PlusAnalysis.scala
index ccf991cb6930..ecdfdcdb81cb 100644
---
a/hudi-spark-datasource/hudi-spark3.2plus-common/src/main/scala/org/apache/spark/sql/hudi/analysis/HoodieSpark32PlusAnalysis.scala
+++
b/hudi-spark-datasource/hudi-spark3.2plus-common/src/main/scala/org/apache/spark/sql/hudi/analysis/HoodieSpark32PlusAnalysis.scala
@@ -32,6 +32,7 @@ import org.apache.spark.sql.catalyst.rules.Rule
import
org.apache.spark.sql.connector.catalog.CatalogV2Implicits.IdentifierHelper
import org.apache.spark.sql.connector.catalog.{Table, V1Table}
import
org.apache.spark.sql.connector.catalog.CatalogV2Implicits.IdentifierHelper
+import org.apache.spark.sql.execution.command.DescribeTableCommand
import org.apache.spark.sql.execution.datasources.{DataSource, LogicalRelation}
import org.apache.spark.sql.hudi.HoodieSqlCommonUtils.isMetaField
import org.apache.spark.sql.hudi.ProvidesHoodieConfig
@@ -259,6 +260,9 @@ case class HoodieSpark32PlusPostAnalysisRule(sparkSession:
SparkSession) extends
retainData = true
)
+ case DescribeRelation(MatchResolvedTable(_, id, HoodieV1OrV2Table(_)),
partitionSpec, isExtended, output) =>
+ DescribeTableCommand(id.asTableIdentifier, partitionSpec, isExtended,
output)
+
case _ => plan
}
}
