Struct QueueIndexConfig 

pub struct QueueIndexConfig {
    pub base: TableIndexConfig,
    pub priority_column: Option<String>,
    pub timestamp_column: Option<String>,
    pub fifo_column: Option<String>,
    pub enable_min_key_cache: bool,
    pub enable_size_tracking: bool,
}

Configuration for queue tables

Fields

base: TableIndexConfig

Base table configuration

priority_column: Option<String>

Name of the priority column (for composite key ordering)

timestamp_column: Option<String>

Name of the timestamp column (for ready-time ordering)

fifo_column: Option<String>

Name of the sequence column (for FIFO within same priority)

enable_min_key_cache: bool

Whether to maintain min-key cache for O(1) peek

enable_size_tracking: bool

Whether to track queue size for O(1) count

Implementations

impl QueueIndexConfig

pub fn new(queue_name: impl Into<String>) -> Self

Create a new queue index config

pub fn with_priority_column(self, column: impl Into<String>) -> Self

Set the priority column name

pub fn with_timestamp_column(self, column: impl Into<String>) -> Self

Set the timestamp column name

pub fn with_fifo_column(self, column: impl Into<String>) -> Self

Set the FIFO sequence column name

pub fn with_min_key_cache(self, enable: bool) -> Self

Enable or disable min-key cache

pub fn with_size_tracking(self, enable: bool) -> Self

Enable or disable size tracking

pub fn key_columns(&self) -> Vec<&str>

Get the composite key columns for this queue

Trait Implementations

impl Clone for QueueIndexConfig

fn clone(&self) -> QueueIndexConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for QueueIndexConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.