org.apache.hadoop.hive.ql.io.sarg

Class ConvertAstToSearchArg

java.lang.Object

org.apache.hadoop.hive.ql.io.sarg.ConvertAstToSearchArg

public class ConvertAstToSearchArg
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ConvertAstToSearchArg.Result

Field Summary

Fields

Modifier and Type	Field and Description
static String	SARG_PUSHDOWN

Method Summary

Modifier and Type	Method and Description
SearchArgument	buildSearchArgument() Build the search argument from the expression.
static boolean	canCreateFromConf(org.apache.hadoop.conf.Configuration conf)
static SearchArgument	create(byte[] kryoBytes)
static SearchArgument	create(org.apache.hadoop.conf.Configuration conf, ExprNodeGenericFuncDesc expression)
static SearchArgument	create(String kryo)
static SearchArgument	createFromConf(org.apache.hadoop.conf.Configuration conf)
static ConvertAstToSearchArg.Result	createSearchArgument(org.apache.hadoop.conf.Configuration conf, ExprNodeGenericFuncDesc expression)
boolean	isPartial() Returns whether the given expression is partially converted to a search argument from the hive filter.
static String	sargToKryo(SearchArgument sarg)

Methods inherited from class java.lang.Object

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

Field Detail

SARG_PUSHDOWN

public static final String SARG_PUSHDOWN

See Also:

Constant Field Values

Method Detail

isPartial

public boolean isPartial()

Returns whether the given expression is partially converted to a search argument from the hive filter.

Returns:

True if the expression is partially converted, otherwise false.

buildSearchArgument

public SearchArgument buildSearchArgument()

Build the search argument from the expression.

Returns:

the search argument

create

public static SearchArgument create(org.apache.hadoop.conf.Configuration conf,
                                    ExprNodeGenericFuncDesc expression)

createSearchArgument

public static ConvertAstToSearchArg.Result createSearchArgument(org.apache.hadoop.conf.Configuration conf,
                                                                ExprNodeGenericFuncDesc expression)

create

public static SearchArgument create(String kryo)

create

public static SearchArgument create(byte[] kryoBytes)

createFromConf

public static SearchArgument createFromConf(org.apache.hadoop.conf.Configuration conf)

canCreateFromConf

public static boolean canCreateFromConf(org.apache.hadoop.conf.Configuration conf)

sargToKryo

public static String sargToKryo(SearchArgument sarg)