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Polars typesafe? It doesn't show you any errors until runtime right? Kusto query language is the best I've seen at type safety and I wish open source DBs would

• refactor_master 4mo ago
  Yes, the most of its safety comes after you compile the graph. In that sense, it's "compile-safe" strictly speaking, which puts it on par with DuckDBs validation step. But you don't need to load any data to validate the execution graph (as opposed to Pandas).