Function base_schema

benchmarks/src/bin/gen_wide_data.rs:131–142

Eight-column base schema. All fields nullable so the schema is uniform across base and zero-filled replicated copies.

()

/// Eight-column base schema. All fields nullable so the schema is
/// uniform across base and zero-filled replicated copies.
fn base_schema() -> SchemaRef {
    Arc::new(Schema::new(vec![
        Field::new("id", DataType::Int64, true),
        Field::new("value", DataType::Float64, true),
        Field::new("count", DataType::Int64, true),
        Field::new("ts", DataType::Date32, true),
        Field::new("category", DataType::Utf8, true),
        Field::new("flag", DataType::Utf8, true),
        Field::new("status", DataType::Utf8, true),
        Field::new("text", DataType::Utf8, true),
    ]))
}

/// Synthesize one batch of length `n` covering rows `[start, start+n)`.
fn synthesize_batch(start: usize, n: usize, schema: &SchemaRef) -> Result<RecordBatch> {