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Querying a date from the Alteryx Server Persistence MongoDB using the MongoDB Input tool can be tricky since Alteryx Server dates are stored as string values. Here is how to use regex in the criteria section of the MongoDB Input tool.
This error is usually caused by two things: The file you selected is of a differentformat than what is selected in the File Format drop down in the Configuration window. A .yxdb file you are using as an input has become corrupt. Other causes can be found here:https://community.alteryx.com/t5/Alteryx-Knowledge-Base/Error-FileID-does-not-match-in-the-FileHeader/ta-p/19870 Although extremely rare, if a .yxdb file becoming corrupt is the culprit (one cause is a network connection dropping in the middle of writing the file), you may have a quick and simple way to resolve this potentially stomach-dropping issue: Open up Windows Explorer and navigate to the file. Right-click on the file and choose Properties. Click on the Previous Versions tab. If you're lucky, there isat least one option of the file that you can revert back to you, hopefully allowing you to avert disaster. Obviously, this doesn't just work with Alteryx files, so perhaps this knowledge will come in handy with other files. Thanks for reading!
For most tools that already have “dynamic” in the name, it would be redundant to call them one of the most dynamic tools in the Designer. That’s not the case for Dynamic Input. With basic configuration, the Dynamic Input Tool allows you to specify a template (this can be a file or database table) and input any number of tables that match that template format (shape/schema) by reading in a list of other sources or modifying SQL queries. This is especially useful for periodic data sets, but the use of the tool goes far beyond its basic configuration. To aid in your data blending, we’ve gone ahead and cataloged a handful of uses that make the Dynamic Input Tool so versatile: