org.apache.spark.sql.sources

Class DescribeCommand

Object

org.apache.spark.sql.catalyst.trees.TreeNode<PlanType>

org.apache.spark.sql.catalyst.plans.QueryPlan<org.apache.spark.sql.catalyst.plans.logical.LogicalPlan>

org.apache.spark.sql.catalyst.plans.logical.LogicalPlan

org.apache.spark.sql.catalyst.plans.logical.LeafNode

org.apache.spark.sql.catalyst.plans.logical.Command

org.apache.spark.sql.sources.DescribeCommand

All Implemented Interfaces:

java.io.Serializable, Logging, org.apache.spark.sql.catalyst.trees.LeafNode<org.apache.spark.sql.catalyst.plans.logical.LogicalPlan>, scala.Equals, scala.Product

public class DescribeCommand
extends org.apache.spark.sql.catalyst.plans.logical.Command
implements scala.Product, scala.Serializable

Returned for the "DESCRIBE [EXTENDED] [dbName.]tableName" command.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DescribeCommand(org.apache.spark.sql.catalyst.plans.logical.LogicalPlan table, boolean isExtended)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isExtended()
scala.collection.Seq<org.apache.spark.sql.catalyst.expressions.AttributeReference>	output()
org.apache.spark.sql.catalyst.plans.logical.LogicalPlan	table()

Methods inherited from class org.apache.spark.sql.catalyst.plans.logical.LeafNode

children

Methods inherited from class org.apache.spark.sql.catalyst.plans.logical.LogicalPlan

childrenResolved, cleanArgs, isTraceEnabled, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning, org$apache$spark$Logging$$log__$eq, org$apache$spark$Logging$$log_, org$apache$spark$sql$catalyst$plans$logical$LogicalPlan$$resolveAsColumn, org$apache$spark$sql$catalyst$plans$logical$LogicalPlan$$resolveAsTableColumn, resolve, resolve, resolveChildren, resolved, sameResult, statePrefix, statistics

Methods inherited from class org.apache.spark.sql.catalyst.plans.QueryPlan

expressions, inputSet, missingInput, org$apache$spark$sql$catalyst$plans$QueryPlan$$transformExpressionDown$1, org$apache$spark$sql$catalyst$plans$QueryPlan$$transformExpressionUp$1, outputSet, printSchema, references, schema, schemaString, simpleString, transformAllExpressions, transformExpressions, transformExpressionsDown, transformExpressionsUp

Methods inherited from class org.apache.spark.sql.catalyst.trees.TreeNode

apply, argString, asCode, collect, fastEquals, flatMap, foreach, foreachUp, generateTreeString, getNodeNumbered, makeCopy, map, mapChildren, nodeName, numberedTreeString, origin, otherCopyArgs, stringArgs, toString, transform, transformChildrenDown, transformChildrenUp, transformDown, transformUp, treeString, withNewChildren

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface scala.Product

productArity, productElement, productIterator, productPrefix

Methods inherited from interface scala.Equals

canEqual, equals

Methods inherited from interface org.apache.spark.Logging

initializeIfNecessary, initializeLogging, log_

Constructor Detail

DescribeCommand

public DescribeCommand(org.apache.spark.sql.catalyst.plans.logical.LogicalPlan table,
               boolean isExtended)

Method Detail

table

public org.apache.spark.sql.catalyst.plans.logical.LogicalPlan table()

isExtended

public boolean isExtended()

output

public scala.collection.Seq<org.apache.spark.sql.catalyst.expressions.AttributeReference> output()