Enum RowContext 

pub enum RowContext<'a> {
    Data {
        table_alias: &'a str,
        row: Cow<'a, Row>,
        next: Option<Arc<RowContext<'a>>>,
    },
    RefVecData {
        columns: &'a [String],
        values: &'a [Value],
    },
    RefMapData(&'a BTreeMap<String, Value>),
    Bridge {
        left: Arc<RowContext<'a>>,
        right: Arc<RowContext<'a>>,
    },
}

Variants

Data

Fields

table_alias: &'a str

row: Cow<'a, Row>

next: Option<Arc<RowContext<'a>>>

RefVecData

Fields

columns: &'a [String]

values: &'a [Value]

RefMapData(&'a BTreeMap<String, Value>)

Bridge

Fields

left: Arc<RowContext<'a>>

right: Arc<RowContext<'a>>

Implementations

impl<'a> RowContext<'a>

pub fn new( table_alias: &'a str, row: Cow<'a, Row>, next: Option<Arc<RowContext<'a>>>, ) -> Self

pub fn concat(left: Arc<RowContext<'a>>, right: Arc<RowContext<'a>>) -> Self

pub fn get_value(&'a self, target: &str) -> Option<&'a Value>

pub fn get_alias_value( &'a self, target_table_alias: &str, target: &str, ) -> Option<&'a Value>

pub fn get_alias_entries(&self, alias: &str) -> Option<Vec<(&String, Value)>>

pub fn get_all_entries(&self) -> Vec<(&String, Value)>

Trait Implementations

impl<'a> Debug for RowContext<'a>

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

Formats the value using the given formatter.