user-defined-functions tutorials

Spark UDAFs: How to minimize/eliminate datatype conversion, copying and boxing overheads [duplicate]

Sep 17, 2022

How to log/print message in pyspark pandas_udf?

Oct 16, 2022

pandas apache-spark pyspark user-defined-functions

How to pass array column as argument in VectorUdf in .Net Spark?

May 25, 2022

c# apache-spark user-defined-functions apache-arrow .net-spark

How to distinguish user-defined / library functions from a compiled file?

Sep 13, 2019

user-defined-functions

Indefinite number of arguments for SQL User Defined Functions?

Mar 31, 2022

mysql sql oracle user-defined-functions

udf vs direct sql performance

Oct 18, 2021

sql sql-server-2005 optimization user-defined-functions

Entity Framework Core Database Table Valued Functions Mapping

Aug 31, 2022

stored-procedures user-defined-functions ef-core-2.1

Call methods written in C# in Excel 2007 from cell formulas

Feb 11, 2022

c# excel vsto user-defined-functions

Handling flexible arguments in Mathematica functions

Sep 14, 2022

wolfram-mathematica arguments user-defined-functions

Why SQL functions are faster than UDF

Aug 27, 2022

sql-server tsql user-defined-functions

How to invisibly return a portion of a list

Aug 05, 2019

r user-defined-functions

Stateful udfs in spark sql, or how to obtain mapPartitions performance benefit in spark sql?

Dec 18, 2018

apache-spark optimization pyspark user-defined-functions

When to use a UDF versus a function in PySpark? [duplicate]

Jun 25, 2022

python apache-spark pyspark user-defined-functions azure-databricks

Why can't use INSERT EXEC statement within a stored procedure called by another stored procedure?

Nov 02, 2022

sql stored-procedures exec user-defined-functions

Cannot use a MySQL UDF function

Sep 19, 2020

mysql function user-defined-functions

Shouldn't this PostgreSQL function return zero rows?

Dec 27, 2021

sql postgresql user-defined-functions return-type create-function

Explode multiple columns in Spark SQL table

Nov 16, 2022

scala apache-spark user-defined-functions explode

Create a MySQL stored function with a dynamic number of arguments

Oct 20, 2022

mysql arguments user-defined-functions variadic-functions

Is there any formal difference at all between PostgreSQL functions with OUT parameters and with TABLE results?

Mar 17, 2022

sql postgresql stored-procedures user-defined-functions out-parameters

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