Function create_runtime_config_entries

datafusion/execution/src/runtime_env.rs:99–145

Creates runtime configuration entries with the provided values This helper function defines the structure and metadata for all runtime configuration entries to avoid duplication between `RuntimeEnv::config_entries()` and `RuntimeEnvBuilder::entries()`.

(
    memory_limit: Option<String>,
    max_temp_directory_size: Option<String>,
    temp_directory: Option<String>,
    metadata_cache_limit: Option<String>,
    list_files_cache_limit: Option<String

/// entries to avoid duplication between `RuntimeEnv::config_entries()` and
/// `RuntimeEnvBuilder::entries()`.
fn create_runtime_config_entries(
    memory_limit: Option<String>,
    max_temp_directory_size: Option<String>,
    temp_directory: Option<String>,
    metadata_cache_limit: Option<String>,
    list_files_cache_limit: Option<String>,
    list_files_cache_ttl: Option<String>,
    file_statistics_cache_limit: Option<String>,
) -> Vec<ConfigEntry> {
    vec![
        ConfigEntry {
            key: "datafusion.runtime.memory_limit".to_string(),
            value: memory_limit,
            description: "Maximum memory limit for query execution. Supports suffixes K (kilobytes), M (megabytes), and G (gigabytes) or '0' for 0. Example: '2G' for 2 gigabytes.",
        },
        ConfigEntry {
            key: "datafusion.runtime.max_temp_directory_size".to_string(),
            value: max_temp_directory_size,
            description: "Maximum temporary file directory size. Supports suffixes K (kilobytes), M (megabytes), and G (gigabytes) or '0' for 0. Example: '2G' for 2 gigabytes.",
        },
        ConfigEntry {
            key: "datafusion.runtime.temp_directory".to_string(),
            value: temp_directory,
            description: "The path to the temporary file directory.",
        },
        ConfigEntry {
            key: "datafusion.runtime.metadata_cache_limit".to_string(),
            value: metadata_cache_limit,
            description: "Maximum memory to use for file metadata cache such as Parquet metadata. Supports suffixes K (kilobytes), M (megabytes), and G (gigabytes) or '0' for 0. Example: '2G' for 2 gigabytes.",
        },
        ConfigEntry {
            key: "datafusion.runtime.list_files_cache_limit".to_string(),
            value: list_files_cache_limit,
            description: "Maximum memory to use for list files cache. Supports suffixes K (kilobytes), M (megabytes), and G (gigabytes) or '0' for 0. Example: '2G' for 2 gigabytes.",
        },
        ConfigEntry {
            key: "datafusion.runtime.list_files_cache_ttl".to_string(),
            value: list_files_cache_ttl,
            description: "TTL (time-to-live) of the entries in the list file cache. Supports units m (minutes), and s (seconds). Example: '2m' for 2 minutes.",
        },
        ConfigEntry {
            key: "datafusion.runtime.file_statistics_cache_limit".to_string(),
            value: file_statistics_cache_limit,
            description: "Maximum memory to use for file statistics cache. Supports suffixes K (kilobytes), M (megabytes), and G (gigabytes) or '0' for 0. Example: '2G' for 2 gigabytes.",
        },
    ]
}

impl RuntimeEnv {
    /// Registers a custom `ObjectStore` to be used with a specific url.