Function parse_function_args

nodedb/src/control/server/pgwire/ddl/kv_atomic.rs:204–217

Parse function arguments from `SELECT FUNC_NAME(arg1, arg2, ...)`. Handles quoted strings with commas inside them.

(sql: &str, _func_name: &str)

///
/// Handles quoted strings with commas inside them.
pub(super) fn parse_function_args(sql: &str, _func_name: &str) -> PgWireResult<Vec<String>> {
    let start = sql
        .find('(')
        .ok_or_else(|| sqlstate_error("42601", "expected '(' in function call"))?;
    let end = sql
        .rfind(')')
        .ok_or_else(|| sqlstate_error("42601", "expected ')' in function call"))?;
    if start >= end {
        return Ok(Vec::new());
    }

    let inner = &sql[start + 1..end];
    Ok(split_args(inner))
}

/// Split comma-separated arguments, respecting single-quoted strings.
///