org.apache.hadoop.hive.ql.parse

Class ExplainSemanticAnalyzer

java.lang.Object

org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer

org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer

public class ExplainSemanticAnalyzer
extends BaseSemanticAnalyzer

ExplainSemanticAnalyzer.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer

BaseSemanticAnalyzer.AnalyzeRewriteContext, BaseSemanticAnalyzer.TableSpec

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer

acidFileSinks, columnAccessInfo, conf, console, ctx, db, fetchTask, HIVE_COLUMN_ORDER_ASC, HIVE_COLUMN_ORDER_DESC, idToTableNameMap, inputs, linfo, LOG, outputs, queryProperties, rootTasks, STATIC_LOG, tableAccessInfo, updateColumnAccessInfo

Constructor Summary

Constructors

Constructor and Description
ExplainSemanticAnalyzer(HiveConf conf)

Method Summary

Methods

Modifier and Type	Method and Description
void	analyzeInternal(ASTNode ast)
List<FieldSchema>	getResultSchema()
boolean	skipAuthorization()

Methods inherited from class org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer

analyze, analyzeDDLSkewedValues, analyzeSkewedTablDDLColNames, analyzeStoredAdDirs, charSetString, constructListBucketingCtx, createHiveDB, escapeSQLString, getAcidFileSinks, getColumnAccessInfo, getColumnNames, getColumnNamesOrder, getColumns, getColumns, getDatabase, getDatabase, getDb, getDbTableNamePair, getDotName, getFetchTask, getIdToTableNameMap, getInputs, getLineageInfo, getOutputs, getPartition, getPartitions, getQualifiedTableName, getQueryProperties, getRootTasks, getSkewedValueFromASTNode, getSkewedValuesFromASTNode, getTable, getTable, getTable, getTable, getTable, getTableAccessInfo, getTypeStringFromAST, getUnescapedName, getUnescapedName, getUnescapedUnqualifiedTableName, getUpdateColumnAccessInfo, init, initCtx, isValidPrefixSpec, readProps, reset, setColumnAccessInfo, setFetchTask, setLineageInfo, setTableAccessInfo, setUpdateColumnAccessInfo, stripIdentifierQuotes, stripQuotes, toMessage, toReadEntity, toReadEntity, toWriteEntity, toWriteEntity, unescapeIdentifier, unescapeSQLString, validate, validatePartColumnType, validatePartSpec

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExplainSemanticAnalyzer

public ExplainSemanticAnalyzer(HiveConf conf)
                        throws SemanticException

Throws:

SemanticException

Method Detail

analyzeInternal

public void analyzeInternal(ASTNode ast)
                     throws SemanticException

Specified by:

analyzeInternal in class BaseSemanticAnalyzer

Throws:

SemanticException

getResultSchema

public List<FieldSchema> getResultSchema()

Overrides:

getResultSchema in class BaseSemanticAnalyzer

Returns:

the schema for the fields which will be produced when the statement is executed, or null if not known

skipAuthorization

public boolean skipAuthorization()

Overrides:

skipAuthorization in class BaseSemanticAnalyzer