9c3d741a08
Move 17 library crates into crates/, CLI binary into bin/fxt, consolidate 10 test crates into testing/, split config crate from deployment config files. Root directory reduced from 38+ to ~17 directories. All Cargo.toml paths and build.rs proto refs updated. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
23 lines
862 B
Rust
23 lines
862 B
Rust
use parquet::file::reader::{FileReader, SerializedFileReader};
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use std::fs::File;
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fn main() {
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let file_path = "/home/jgrusewski/Work/foxhunt/test_data/real/parquet/BTC-USD_30day_2024-09.parquet";
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let file = File::open(file_path).expect("Failed to open file");
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let reader = SerializedFileReader::new(file).expect("Failed to create reader");
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let parquet_metadata = reader.metadata();
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println!("Schema:");
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println!("{}", parquet_metadata.file_metadata().schema());
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println!("\nArrow Schema:");
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let arrow_schema = parquet::arrow::parquet_to_arrow_schema(
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parquet_metadata.file_metadata().schema_descr(),
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parquet_metadata.file_metadata().key_value_metadata()
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).expect("Failed to convert schema");
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for field in arrow_schema.fields() {
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println!(" {}: {:?}", field.name(), field.data_type());
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}
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}
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