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#Datafu.pig.util Classes and Interfaces - 13 results found.
Name | Description | Type | Package | Framework |
AliasableEvalFunc | Makes implementing and using UDFs easier by enabling named parameters. | Class | datafu.pig.util | DataFu |
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Assert | Assert has been renamed to AssertUDF. | Class | datafu.pig.util | DataFu |
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AssertUDF | Filter function which asserts that a value is true. | Class | datafu.pig.util | DataFu |
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BoolToInt | UDF which converts a Boolean to an Integer. | Class | datafu.pig.util | DataFu |
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Coalesce | Returns the first non-null value from a tuple, just like COALESCE in SQL. | Class | datafu.pig.util | DataFu |
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ContextualEvalFunc | An abstract class which enables UDFs to store instance properties on the front end which will be available on the back end. | Class | datafu.pig.util | DataFu |
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DataFuException | See Also:Serialized FormConstructor SummaryDataFuException() | Class | datafu.pig.util | DataFu |
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FieldNotFound | Thrown by {see AliasableEvalFunc} when attempting to access an unknown field by name. | Class | datafu.pig.util | DataFu |
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In | In has been renamed to InUDF. | Class | datafu.pig.util | DataFu |
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IntToBool | UDF which converts an Integer to a Boolean. | Class | datafu.pig.util | DataFu |
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InUDF | Similar to the SQL IN function, this function provides a convenient way to filter using a logical disjunction over many values. | Class | datafu.pig.util | DataFu |
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SimpleEvalFunc | Uses reflection to makes writing simple wrapper Pig UDFs easier. | Class | datafu.pig.util | DataFu |
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TransposeTupleToBag | Performs a transpose on a tuple, resulting in a bag of key, value fields where the key is the column name and the value is the value of that column in the tuple. | Class | datafu.pig.util | DataFu |