https://0608fde9.lbreddemann-blog.pages.dev/tag/udf/Recent content in Udf on The Lars Breddemann BlogHugoenMon, 09 Nov 2020 07:29:53 +0000https://0608fde9.lbreddemann-blog.pages.dev/why-are-your-scalar-udfs-slow-mine-arent/Mon, 09 Nov 2020 07:29:53 +0000https://www.lbreddemann.org/?p=1722<h2 id="what-is-this-about">What is this about? <a class="heading-anchor" href="#what-is-this-about" aria-label="Link to this section">#</a></h2> <p>In his blog post <a href="https://blogs.sap.com/2020/11/02/why-are-scalar-udfs-so-slow/">Why are scalar UDFs so slow?</a> <a href="https://people.sap.com/jbrandeis">Jörg Brandeis</a> wonders why user defined scalar functions (scalar UDFs) are slow compared to plain SQL. This is an important question since UDFs would make for very convenient development objects. SQL could be a lot easier to read and maintain if one could put complex or often reused computations into an UDF and just use this in queries, procedures and BW transformations.</p>