Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/16373#discussion_r100031009
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/tables.scala ---
@@ -619,18 +621,34 @@ case class ShowTablesCommand(
// instead of calling tables in sparkSession.
val catalog = sparkSession.sessionState.catalog
val db = databaseName.getOrElse(catalog.getCurrentDatabase)
- val tables =
- tableIdentifierPattern.map(catalog.listTables(db,
_)).getOrElse(catalog.listTables(db))
- tables.map { tableIdent =>
- val database = tableIdent.database.getOrElse("")
- val tableName = tableIdent.table
- val isTemp = catalog.isTemporaryTable(tableIdent)
- if (isExtended) {
- val information =
catalog.getTempViewOrPermanentTableMetadata(tableIdent).toString
- Row(database, tableName, isTemp, s"${information}\n")
- } else {
- Row(database, tableName, isTemp)
+ if (partitionSpec.isEmpty) {
+ // Show the information of tables.
+ val tables =
+ tableIdentifierPattern.map(catalog.listTables(db,
_)).getOrElse(catalog.listTables(db))
+ tables.map { tableIdent =>
+ val database = tableIdent.database.getOrElse("")
+ val tableName = tableIdent.table
+ val isTemp = catalog.isTemporaryTable(tableIdent)
+ if (isExtended) {
+ val information =
catalog.getTempViewOrPermanentTableMetadata(tableIdent).toString
+ Row(database, tableName, isTemp, s"${information}\n")
--- End diff --
'''
hive> create table t1(a int, b string) partitioned by (dt string, hour
string);
hive> alter table t1 add partition (dt='2017-02-08', hour='17');
hive> alter table t1 add partition (dt='2017-02-08', hour='18');
hive> show table extended like 't1' partition(dt='2017-02-08');
FAILED: SemanticException [Error 10006]: Partition not found {dt=2017-02-08}
hive> show table extended like 't1' partition(dt='2017-02-08', hour='17');
OK
tableName:t1
owner:meituan
location:hdfs://localhost:9000/user/hive/warehouse/t1/dt=2017-02-08/hour=17
inputformat:org.apache.hadoop.mapred.TextInputFormat
outputformat:org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
columns:struct columns { i32 a, string b}
partitioned:true
partitionColumns:struct partition_columns { string dt, string hour}
totalNumberFiles:0
totalFileSize:0
maxFileSize:0
minFileSize:0
lastAccessTime:0
lastUpdateTime:1486548513945
'''
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