Struct CompileContext

pub struct CompileContext {
    pub zoneinfo: PathBuf,
    pub time_zone: ArcTz,
    pub current_timestamp: NaiveDateTime,
    pub variables: Box<[Value]>,
}

Environment information shared by all compilations

Fields

zoneinfo: PathBuf

The zoneinfo directory where timezones can be read.

time_zone: ArcTz

The time zone used to interpret strings into timestamps.

current_timestamp: NaiveDateTime

The current timestamp in UTC.

variables: Box<[Value]>

The global variables.

Implementations

impl CompileContext

pub fn new(variables_count: usize) -> Self

Creates a default compile context storing the given number of variables.

pub fn parse_time_zone(&self, tz: &str) -> Result<ArcTz, Error>

Parses the time zone name into a time zone object.

impl CompileContext

pub fn compile_table(&self, table: Table) -> Result<Table, S<Error>>

Compiles a table.

impl CompileContext

pub fn compile_row(&self, exprs: Vec<S<Expr>>) -> Result<Row, S<Error>>

Compiles a vector of parsed expressions into a row.

impl CompileContext

pub fn compile(&self, expr: S<Expr>) -> Result<Compiled, S<Error>>

Compiles an expression.

Trait Implementations

impl Clone for CompileContext

fn clone(&self) -> CompileContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CompileContext

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

Formats the value using the given formatter.