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java.lang.Objectorg.apache.hadoop.hive.ql.udf.generic.GenericUDFUtils
public class GenericUDFUtils
Util functions for GenericUDF classes.
Nested Class Summary | |
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static class |
GenericUDFUtils.ConversionHelper
Convert parameters for the method if needed. |
static class |
GenericUDFUtils.ReturnObjectInspectorResolver
This class helps to find the return ObjectInspector for a GenericUDF. |
Constructor Summary | |
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GenericUDFUtils()
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Method Summary | |
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static int |
findText(org.apache.hadoop.io.Text text,
org.apache.hadoop.io.Text subtext,
int start)
Finds any occurence of subtext from text in the backing
buffer, for avoiding string encoding and decoding. |
static String |
getOrdinal(int i)
Return an ordinal from an integer. |
static boolean |
isUtfStartByte(byte b)
Checks if b is the first byte of a UTF-8 character. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public GenericUDFUtils()
Method Detail |
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public static boolean isUtfStartByte(byte b)
public static String getOrdinal(int i)
public static int findText(org.apache.hadoop.io.Text text, org.apache.hadoop.io.Text subtext, int start)
subtext
from text
in the backing
buffer, for avoiding string encoding and decoding.
Shamelessly copy from Text.find(String, int)
.
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