cloud-fan commented on code in PR #37588:
URL: https://github.com/apache/spark/pull/37588#discussion_r1374599990
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/ShowTablesExec.scala:
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@@ -33,17 +41,36 @@ case class ShowTablesExec(
output: Seq[Attribute],
catalog: TableCatalog,
namespace: Seq[String],
- pattern: Option[String]) extends V2CommandExec with LeafExecNode {
+ pattern: Option[String],
+ isExtended: Boolean = false,
+ partitionSpec: Option[ResolvedPartitionSpec] = None) extends V2CommandExec
with LeafExecNode {
override protected def run(): Seq[InternalRow] = {
val rows = new ArrayBuffer[InternalRow]()
- val tables = catalog.listTables(namespace.toArray)
- tables.map { table =>
- if (pattern.map(StringUtils.filterPattern(Seq(table.name()),
_).nonEmpty).getOrElse(true)) {
- rows += toCatalystRow(table.namespace().quoted, table.name(),
isTempView(table))
+ if (partitionSpec.isEmpty) {
+ // Show the information of tables.
+ val identifiers = catalog.listTables(namespace.toArray)
+ identifiers.map { identifier =>
+ if (pattern.forall(StringUtils.filterPattern(Seq(identifier.name()),
_).nonEmpty)) {
+ val isTemp = isTempView(identifier)
Review Comment:
this looks wrong to me. According to the classdoc of
`TableCatalog.listTables`, it should not return views.
Since temp views are managed fully by Spark, we can just invoke internal
Spark APIs to list temp views, and then call `TableCatalog.listTables`, and
finally combine the results.
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