Module csv 

CSV output writer for QueryResult

Implements CSV output format following QUERY_RESULT_CONTRACT.md specification.

Format Specification

• First row: column headers from metadata.columns in order
• Subsequent rows: values stringified per ValueFormatter mapping rules
• Null values: empty string (standard CSV convention)
• Stable column order: always matches metadata.columns sequence

Usage

use cqlite_cli::output::CSVWriter;
use cqlite_core::query::QueryResult;

let result: QueryResult = // ... query execution
let csv_output = CSVWriter::write(&result, &config)?;
println!("{}", csv_output);

Structs

CSVWriter

CSV writer for QueryResult

StreamingCSVWriter

Streaming CSV writer for memory-efficient export of large datasets