Struct ExplainPlan 

pub struct ExplainPlan {
    pub scan_type: ScanType,
    pub table: String,
    pub index: Option<String>,
    pub rows: u64,
    pub extra: Vec<String>,
}

Parsed execution plan summary

Fields

scan_type: ScanType

Scan type

table: String

Involved table name ("<unknown>" when unknown)

index: Option<String>

Index name used (None for full table scan/unknown)

rows: u64

Estimated scanned row count

extra: Vec<String>

Extra info (filter/using where, etc.)

Implementations

impl ExplainPlan

pub fn new( scan_type: ScanType, table: impl Into<String>, index: Option<String>, rows: u64, extra: Vec<String>, ) -> Self

pub fn is_full_table_scan(&self) -> bool

pub fn has_index(&self) -> bool

pub fn is_large_result(&self, threshold: u64) -> bool

pub fn table_name(&self) -> &str

pub fn index_name(&self) -> Option<&str>

pub fn estimated_rows(&self) -> u64

pub fn extra_info(&self) -> &[String]

pub fn has_extra(&self, keyword: &str) -> bool

pub fn summary(&self) -> String

pub fn missing_index(&self, row_threshold: u64) -> bool

Missing index check: full table scan or row count exceeds threshold and no index used

Trait Implementations

impl Clone for ExplainPlan

fn clone(&self) -> ExplainPlan

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExplainPlan

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

Formats the value using the given formatter.

impl Eq for ExplainPlan

impl PartialEq for ExplainPlan

fn eq(&self, other: &ExplainPlan) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ExplainPlan