mccheah commented on a change in pull request #25040: [SPARK-28238][SQL]
Implement DESCRIBE TABLE for Data Source V2 Tables.
URL: https://github.com/apache/spark/pull/25040#discussion_r302233462
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala
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@@ -336,8 +337,8 @@ class SparkSqlAstBuilder(conf: SQLConf) extends
AstBuilder(conf) {
if (ctx.partitionSpec != null) {
throw new ParseException("DESC TABLE COLUMN for a specific partition
is not supported", ctx)
} else {
- DescribeColumnCommand(
- visitTableIdentifier(ctx.tableIdentifier),
Review comment:
Do you mean that `DescribeColumnCommand` and `DescribeTableCommand` should
be moved to Catalyst? The V1 commands depend on a bunch of stuff that's in
core, such as `SparkSession` and `DDLUtils`.
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