org.apache.hadoop.hive.ql.exec.vector.expressions

Class StringExpr

java.lang.Object

org.apache.hadoop.hive.ql.exec.vector.expressions.StringExpr

public class StringExpr
extends Object

String expression evaluation helper functions.

Constructor Summary

Constructors

Constructor and Description
StringExpr()

Method Summary

Modifier and Type	Method and Description
static void	assign(BytesColumnVector outV, int i, byte[] bytes, int start, int length)
static int	characterCount(byte[] bytes)
static int	characterCount(byte[] bytes, int start, int length)
static int	compare(byte[] arg1, int start1, int len1, byte[] arg2, int start2, int len2)
static boolean	equal(byte[] arg1, int start1, int len1, byte[] arg2, int start2, int len2)
static int	rightTrim(byte[] bytes, int start, int length)
static void	rightTrim(BytesColumnVector outV, int i, byte[] bytes, int start, int length)
static int	rightTrimAndTruncate(byte[] bytes, int start, int length, int maxLength)
static void	rightTrimAndTruncate(BytesColumnVector outV, int i, byte[] bytes, int start, int length, int maxLength)
static byte[]	rightTrimAndTruncateScalar(byte[] bytes, int maxLength)
static int	truncate(byte[] bytes, int start, int length, int maxLength)
static void	truncate(BytesColumnVector outV, int i, byte[] bytes, int start, int length, int maxLength)
static byte[]	truncateScalar(byte[] bytes, int maxLength)

Methods inherited from class java.lang.Object

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

Constructor Detail

StringExpr

public StringExpr()

Method Detail

compare

public static int compare(byte[] arg1,
                          int start1,
                          int len1,
                          byte[] arg2,
                          int start2,
                          int len2)

equal

public static boolean equal(byte[] arg1,
                            int start1,
                            int len1,
                            byte[] arg2,
                            int start2,
                            int len2)

characterCount

public static int characterCount(byte[] bytes)

characterCount

public static int characterCount(byte[] bytes,
                                 int start,
                                 int length)

assign

public static void assign(BytesColumnVector outV,
                          int i,
                          byte[] bytes,
                          int start,
                          int length)

rightTrim

public static int rightTrim(byte[] bytes,
                            int start,
                            int length)

rightTrim

public static void rightTrim(BytesColumnVector outV,
                             int i,
                             byte[] bytes,
                             int start,
                             int length)

truncate

public static int truncate(byte[] bytes,
                           int start,
                           int length,
                           int maxLength)

truncate

public static void truncate(BytesColumnVector outV,
                            int i,
                            byte[] bytes,
                            int start,
                            int length,
                            int maxLength)

truncateScalar

public static byte[] truncateScalar(byte[] bytes,
                                    int maxLength)

rightTrimAndTruncate

public static int rightTrimAndTruncate(byte[] bytes,
                                       int start,
                                       int length,
                                       int maxLength)

rightTrimAndTruncate

public static void rightTrimAndTruncate(BytesColumnVector outV,
                                        int i,
                                        byte[] bytes,
                                        int start,
                                        int length,
                                        int maxLength)

rightTrimAndTruncateScalar

public static byte[] rightTrimAndTruncateScalar(byte[] bytes,
                                                int maxLength)