Parquet VisualizerInspect and query very large parquet files fastWhat's Parquet VisualizerParquet Visualizer is a tool that helps you easily query with SQL and inspect very large parquet files fast and easy. What can you do with Parquet Visualizer?Inspect DataYou can inspect the binary data of parquet files in a human readable tabular format with pagination. You can also change the page size. Run SQL Queries on a Parquet FileYou can query a parquet file with DuckDB SQL. You can also search within the result, paginate the result or change the page size. Search within rows of Query ResultBy typing free text in the search box, find specific values of the query result. Export Query Result as CSV to DiskBy clicking on the export button in the query tab, you can save your query result to disk. Copy Query Result to ClipboardBy clicking on the copy button in the querytab, you can copy the query result data to the clipboard. Inspect Struct ValueYou can easily inspect complex struct values by clicking on the cell, which shows a popup containing the value of the struct. Inspect SchemaYou can inspect the schema of the parquet file by clicking on the Schema tab, in which you can paginate if the file has many columns. You can also inspect the struct type by clicking on the cell, which will show a popup containing the struct data type. Inspect MetadataYou can inspect the metadata in tabular format by clicking on the Metadata tab. ConfigurationThe following configuration options are available:
Parquet backendsThis extension supports two different types of backends for visualizing and querying parquet files. DuckDBDuckDB is the primary backend used for uncompressed and compressed parquet files (except for the BROTLI compression codec.) Parquet-wasmparquet-wasm is a backend that uses a Rust implementation of arrow and parquet. It supports all compression codecs except LZ4. FrontendThe tables of the frontend are powered by tabulator. The query editor of the frontend is powered by ace. |