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[spark] Expose external table type to Spark #8306

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[spark] Expose external table type to Spark #8306

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582d63b
[spark] Expose external table type to Spark
huangxiaopingRD Jun 20, 2026
0bd05b5
Fix code style
huangxiaopingRD Jun 21, 2026
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9 changes: 8 additions & 1 deletion ...ark/paimon-spark-common/src/main/scala/org/apache/paimon/spark/PaimonSparkTableBase.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -20,13 +20,14 @@ package org.apache.paimon.spark

import org.apache.paimon.CoreOptions
import org.apache.paimon.CoreOptions.BucketFunctionType
import org.apache.paimon.options.CatalogOptions.TABLE_TYPE
import org.apache.paimon.options.Options
import org.apache.paimon.spark.catalog.functions.BucketFunction
import org.apache.paimon.spark.read.PaimonSplitScanBuilder
import org.apache.paimon.spark.schema.PaimonMetadataColumn
import org.apache.paimon.spark.util.OptionUtils
import org.apache.paimon.spark.write.{PaimonV2WriteBuilder, PaimonWriteBuilder}
import org.apache.paimon.table.{Table, _}
import org.apache.paimon.table.{CatalogTableType, Table, _}
import org.apache.paimon.table.BucketMode.{BUCKET_UNAWARE, HASH_FIXED, POSTPONE_MODE}

import org.apache.spark.sql.connector.catalog._
Expand Down Expand Up @@ -84,6 +85,12 @@ abstract class PaimonSparkTableBase(val table: Table)
if (properties.containsKey(CoreOptions.PATH.key())) {
properties.put(TableCatalog.PROP_LOCATION, properties.get(CoreOptions.PATH.key()))
}
if (
CatalogTableType.EXTERNAL.toString.equalsIgnoreCase(
dataTable.options().get(TABLE_TYPE.key()))
) {
properties.put(TableCatalog.PROP_EXTERNAL, "true")
}
properties
case _ => Collections.emptyMap()
}
Expand Down
24 changes: 24 additions & 0 deletions ...spark/paimon-spark-ut/src/test/java/org/apache/paimon/spark/SparkCatalogWithHiveTest.java
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Expand Up @@ -156,6 +156,30 @@ public void testCreateExternalTable() throws IOException {
}
}

@Test
public void testDescribeExternalAndManagedTableType() throws IOException {
try (SparkSession spark = createSessionBuilder().getOrCreate()) {
spark.sql("CREATE DATABASE IF NOT EXISTS test_db");
spark.sql("USE spark_catalog.test_db");

spark.sql("CREATE EXTERNAL TABLE external_table (a INT, bb INT, c STRING)");
assertThat(
spark.sql("DESC FORMATTED external_table")
.filter("col_name = 'Type'")
.head()
.getString(1))
.isEqualTo("EXTERNAL");

spark.sql("CREATE TABLE managed_table (a INT)");
assertThat(
spark.sql("DESC FORMATTED managed_table")
.filter("col_name = 'Type'")
.head()
.getString(1))
.isEqualTo("MANAGED");
}
}

private SparkSession.Builder createSessionBuilder() {
Path warehousePath = new Path("file:" + tempDir.toString());
return SparkSession.builder()
Expand Down
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