Package org.apache.flink.table.planner.delegation.hive.copy

Class HiveParserQBExpr

java.lang.Object

org.apache.flink.table.planner.delegation.hive.copy.HiveParserQBExpr

public class HiveParserQBExpr
extends Object

Counterpart of hive's org.apache.hadoop.hive.ql.parse.QBExpr.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	HiveParserQBExpr.Opcode	Opcode.

Constructor Summary

Constructors

Constructor	Description
HiveParserQBExpr(String alias)

Method Summary

Modifier and Type	Method	Description
boolean	containsQueryWithoutSourceTable()	returns true, if the query block contains any query, or subquery without a source table.
String	getAlias()
HiveParserQBExpr.Opcode	getOpcode()
HiveParserQB	getQB()
HiveParserQBExpr	getQBExpr1()
HiveParserQBExpr	getQBExpr2()
boolean	isSimpleSelectQuery()
void	print(String msg)
void	setAlias(String alias)
void	setOpcode(HiveParserQBExpr.Opcode opcode)
void	setQB(HiveParserQB qb)
void	setQBExpr1(HiveParserQBExpr qbexpr)
void	setQBExpr2(HiveParserQBExpr qbexpr)

Methods inherited from class java.lang.Object

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

Constructor Detail

HiveParserQBExpr

public HiveParserQBExpr(String alias)

Method Detail

getAlias

public String getAlias()

setAlias

public void setAlias(String alias)

setQB

public void setQB(HiveParserQB qb)

setOpcode

public void setOpcode(HiveParserQBExpr.Opcode opcode)

setQBExpr1

public void setQBExpr1(HiveParserQBExpr qbexpr)

setQBExpr2

public void setQBExpr2(HiveParserQBExpr qbexpr)

getQB

public HiveParserQB getQB()

getOpcode

public HiveParserQBExpr.Opcode getOpcode()

getQBExpr1

public HiveParserQBExpr getQBExpr1()

getQBExpr2

public HiveParserQBExpr getQBExpr2()

print

public void print(String msg)

isSimpleSelectQuery

public boolean isSimpleSelectQuery()

containsQueryWithoutSourceTable

public boolean containsQueryWithoutSourceTable()

returns true, if the query block contains any query, or subquery without a source table. Like select current_user(), select current_database()

Returns:

true, if the query block contains any query without a source table