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Return Type | Name(Signature) | Description |
|---|---|---|
varies | java_method(class, method[, arg1[, arg2..]]) | Synonym for |
varies | reflect(class, method[, arg1[, arg2..]]) | Calls a Java method by matching the argument signature, using reflection. (As of Hive 0.7.0.) See Reflect (Generic) UDF for examples. |
int | hash(a1[, a2...]) | Returns a hash value of the arguments. (As of Hive 0.4.) |
| string | current_user() | Returns current user name (as of Hive 1.2.0). |
| string | md5(string/binary) | Calculates an MD5 128-bit checksum for the string or binary (as of Hive 1.3.0). The value is returned as a string of 32 hex digits, or NULL if the argument was NULL. Example: md5('ABC') = '902fbdd2b1df0c4f70b4a5d23525e932'. |
| string | sha1(string/binary) sha(string/binary) | Calculates the SHA-1 digest for string or binary and returns the value as a hex string (as of Hive 1.3.0). Example: sha1('ABC') = '3c01bdbb26f358bab27f267924aa2c9a03fcfdb8'. |
xpath
The following functions are described in LanguageManual XPathUDF:
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