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Added Classes and Interfaces | |
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ABS implements a binding to the Java function Math.abs(double) for computing the absolute value of the argument. |
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ACOS implements a binding to the Java function Math.acos(double) for computing the arc cosine of value of the argument. |
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ASIN implements a binding to the Java function Math.asin(double) for computing the arc sine of value of the argument. |
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ATAN implements a binding to the Java function Math.atan(double) for computing the arc tangent of value of the argument. |
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base class for math udfs |
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CBRT implements a binding to the Java function Math.cbrt(double) for computing the cube root of the argument. |
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CEIL implements a binding to the Java function Math.ceil(double) Given a single data atom it Returns the smallest (closest to negative infinity) double value that is greater than or equal to the argument and is equal to a mathematical integer. |
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Computes the correlation between sets of data. |
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COS implements a binding to the Java function Math.cos(double) Given a single data atom it Returns the cosine value of the input |
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COSH implements a binding to the Java function Math.cosh(double) Given a single data atom it Returns the hyperbolic cosine value of the input |
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Computes the covariance between sets of data. |
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base class for math udfs that return Double value |
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Given a single data atom it Returns the closest long to the argument. |
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Given a single data atom it returns the Euler's number e raised to the power of input |
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FLOOR implements a binding to the Java function Math.floor(double) Given a single data atom it returns the largest (closest to positive infinity) double value that is less than or equal to the argument and is equal to a mathematical integer. |
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ROUND implements a binding to the Java function Math.round(float) Given a single data atom it Returns the closest long to the argument. |
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The generic Invoker class does all the common grunt work of setting up an invoker. |
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INDEXOF implements eval function to search for a string Example: A = load 'mydata' as (name); B = foreach A generate INDEXOF(name " "); |
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ABS implements a binding to the Java function Math.abs(int) for computing the absolute value of the argument. |
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@see GenericInvoker |
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@see GenericInvoker |
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@see GenericInvoker |
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@see GenericInvoker |
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@see GenericInvoker |
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string.INSTR implements eval function to search for the last occurrence of a string Returns null on error Example: A = load 'mydata' as (name); B = foreach A generate LASTINDEXOF(name " "); |
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lower-case the first character of a string |
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LOG implements a binding to the Java function Math.log(double) Given a single data atom it returns the natural logarithm (base e) of a double |
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LOG10 implements a binding to the Java function Math.log10(double) Given a single data atom it returns the base 10 logarithm of a double |
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LOWER implements eval function to convert a string to lower case Example: A = load 'mydata' as (name); B = foreach A generate LOWER(name); |
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Describes how the execution of a UDF should be monitored and what to do if it times out. |
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REPLACE implements eval function to replace part of a string. |
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ROUND implements a binding to the Java function Math.round(double) Given a single data atom it Returns the closest long to the argument. |
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SIN implements a binding to the Java function Math.sin(double) Given a single data atom it Returns the sine of the argument. |
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SINH implements a binding to the Java function Math.sinh(double) Given a single data atom it Returns the hyperbolic sine of the argument. |
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SQRT implements a binding to the Java function Math.sqrt(double) Given a single data atom it Returns the square root of the argument. |
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Wrapper around Java's String.split input tuple: first column is assumed to have a string to split; the optional second column is assumed to have the delimiter or regex to split on; if not provided it's assumed to be '\s' (space) the optional third column may provide a limit to the number of results. If limit is not provided 0 is assumed as per Java's split(). |
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SUBSTRING implements eval function to get a part of a string. |
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TAN implements a binding to the Java function Math.tan(double) Given a single data atom it Returns the tangent of the argument. |
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TANH implements a binding to the Java function Math.tanh(double) Given a single data atom it Returns the hyperbolic tangent of the argument. |
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This class takes a list of items and puts them into a bag T = foreach U generate TOBAG($0 $1 $2); It's like saying this: T = foreach U generate {($0) ($1) ($2)} Output schema: The output schema for this udf depends on the schema of its arguments. |
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Top UDF accepts a bag of tuples and returns top-n tuples depending upon the tuple field value of type long. |
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This class makes a tuple out of the parameter T = foreach U generate TOTUPLE($0 $1 $2); It generates a tuple containing $0 $1 and $2 |
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Returns a string with leading and trailing whitespace omitted. |
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upper-case the first character of a string |
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UPPER implements eval function to convert a string to upper case Example: A = load 'mydata' as (name); B = foreach A generate UPPER(name); |
Changed Classes | |
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Find the number of fields in a tuple. |
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Load and store data in a binary format. |
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This abstract class provides standard conversions between utf8 encoded data and pig data types. |
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