Returns the complement of the logical value of an expression. A numeric expression that evaluates to 0 is a logical value of false. A numeric expressi

Returns the date of the specified day of the week offset by the specified number of weeks from the source date. The day of the week is specified as th

Returns an empty string if the input column is null, otherwise returns the input column value. @param value to be evaluated. @return Empty string if

Returns the specified value if the input column is null, otherwise returns the input column value. @param value to evaluated. @param replace value to

Returns zero if the input column is null, otherwise returns the input column value. @param value to be evaluated. @return Empty string if null, else

Create a poisson sampler which can sample elements with replacement. @param fraction The expected count of each element. @param seed Random numbe

Returns the date of the specified day of the week that is the most recent day before the source date. The day of the week is specified as the full nam

A constructor to create a relation with a unique id and associated source and target columns. This method defaults the relation type to STANDARD @par

Only used by {@link io.cdap.wrangler.utils.KryoSerializer}

Create a new sampler with reservoir size and a supplied random number generator. @param numSamples Maximum number of samples to retain in reservoir,

Converts seconds to days. @param seconds to be converted. @return days equivalent of seconds

Converts seconds to hours. @param seconds to be converted. @return hours equivalent of seconds

Converts seconds to mins. @param seconds to be converted. @return mins equivalent of seconds

Converts seconds to weeks. @param seconds to be converted. @return weeks equivalent of seconds

Returns the seconds portion of a time. If time is null, null will be returned. @param time of {@link LocalTime} type. @return second portion of time.

Returns the number of seconds between two datetime objects. If either datetime is null, null will be returned. @param source a {@link LocalDateTime}

Selects part of JSON using JSON DSL specified as json path. @param element json to be inspected. @param path to be searched for in the element. @para

Returns a long with specific bits set to a specific state. @param value to perform action on. @param positions array of positions. @param bit to be s

This method stringyfies json object. @param element the value to convert to JSON string @return a JSON string.