A function provided by the user of a program or an environment most often for spreadsheet type applications or database applications.
I'm trying to debug a rather complicated formula evaluator written in T-SQL UDFs (don't ask) that recursively (but indirectly through …
tsql debugging trace user-defined-functionsI have a udf which returns a list of strings. this should not be too hard. I pass in the …
python apache-spark pyspark apache-spark-sql user-defined-functionsI am trying to port some sql from MySQL to SQLite, however we use mysql's md5() function, which doesn't exist …
sql sqlite md5 user-defined-functionsSimilar question as here, but don't have enough points to comment there. According to the latest Spark documentation an udf …
java apache-spark apache-spark-sql user-defined-functionsI'm selecting some rows from a table valued function but have found an inexplicable massive performance difference by putting SELECT …
sql sql-server performance tsql user-defined-functionsI'm using pyspark, loading a large csv file into a dataframe with spark-csv, and as a pre-processing step I need …
python apache-spark pyspark apache-spark-sql user-defined-functionsSpark now offers predefined functions that can be used in dataframes, and it seems they are highly optimized. My original …
performance apache-spark pyspark apache-spark-sql user-defined-functionsI have a dataframe in Spark in which one of the columns contains an array.Now,I have written a …
arrays apache-spark pyspark apache-spark-sql user-defined-functionsI've seen discussions about this in the past, such as here. But I'm wondering if somewhere along the line, maybe 10…
oracle views oracle11g parameterized user-defined-functionsI need to pass a list into a UDF, the list will determine the score/category of the distance. For …
python pyspark spark-dataframe user-defined-functions