YannByron commented on a change in pull request #4587:
URL: https://github.com/apache/hudi/pull/4587#discussion_r783983637
##########
File path:
hudi-spark-datasource/hudi-spark/src/test/scala/org/apache/spark/sql/hudi/TestAlterTable.scala
##########
@@ -53,24 +71,26 @@ class TestAlterTable extends TestHoodieSqlBase {
assertResult(true) (
spark.sessionState.catalog.tableExists(new
TableIdentifier(newTableName))
)
+
val hadoopConf = spark.sessionState.newHadoopConf()
val metaClient = HoodieTableMetaClient.builder().setBasePath(tablePath)
.setConf(hadoopConf).build()
- assertResult(newTableName) (
- metaClient.getTableConfig.getTableName
- )
+ assertResult(newTableName) (metaClient.getTableConfig.getTableName)
+
+ // insert some data
spark.sql(s"insert into $newTableName values(1, 'a1', 10, 1000)")
- // Add table column
+ // add column
spark.sql(s"alter table $newTableName add columns(ext0 string)")
- val table = spark.sessionState.catalog.getTableMetadata(new
TableIdentifier(newTableName))
+ catalogTable = spark.sessionState.catalog.getTableMetadata(new
TableIdentifier(newTableName))
assertResult(Seq("id", "name", "price", "ts", "ext0")) {
- HoodieSqlUtils.removeMetaFields(table.schema).fields.map(_.name)
+
HoodieSqlUtils.removeMetaFields(catalogTable.schema).fields.map(_.name)
}
checkAnswer(s"select id, name, price, ts, ext0 from $newTableName")(
Seq(1, "a1", 10.0, 1000, null)
)
- // Alter table column type
+
+ // change column's data type
spark.sql(s"alter table $newTableName change column id id bigint")
Review comment:
I know that. See the details in
https://issues.apache.org/jira/browse/HUDI-3237.
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