Pentaho Community |verified| May 2026

But they all remembered the lesson:

Then "Tomasz_P" from Poland, a legendary forum guru who only posted solutions, never questions. He wrote a single line: “For the date mismatch: YYYY-MM-dd HH:mm:ss. Use ‘Select Values’ -> ‘Meta Data’ tab. Attached is your fixed transformation. Next time, sanitize your inputs.”

It failed.

“You fixed my bakery. You saved my Monday mornings. I am sending each of you a box of croissants. Matt, yours will be gluten-free. Maria, yours has dulce de leche. Tomasz… yours is just a plain one, because you seem like a purist.”

And somewhere in a dusty archive, the original thread still exists. Its final post, from Tomasz_P, is just a picture: a single, perfect, plain croissant next to a coffee cup and a laptop displaying a Pentaho job with all green checkmarks. pentaho community

For the first time, she saw a dashboard: a beautiful, real-time view of her entire empire. The "Sales by Hour" chart showed a gap at 11 AM—a slow period she could fill with a second bake. The "Supplier Comparison" table revealed that one flour vendor was charging 15% more than the others. And the "Mystery Croissant" report? It traced the missing pastries to the exact register, time, and employee ID of her nephew.

The thread went viral (for the Pentaho world, anyway). People loved the croissant dashboard. They started sharing their own weird projects: a PDI job that tracked UFO sightings in Nevada, a CDA report that optimized a cat shelter’s adoption rates, a Saiku analytics cube that predicted beer sales at a German Oktoberfest. But they all remembered the lesson: Then "Tomasz_P"

It began with a baker named Elara in Lyon, France. Elara ran "Le Fournil des Cinq," a small chain of five artisanal bakeries. She loved the smell of sourdough but hated spreadsheets. Every Monday, she would spend six hours manually collating sales from her five shops, cross-referencing flour suppliers, yeast shipments, and the mysterious case of the missing almond croissants (which her nephew swore he didn’t eat).