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Grep

sql_cli::sql::generators::file_readers

Struct Grep

pub struct Grep;

Expand description

GREP(path, pattern [, invert]) - Read only lines matching a regex.

Thin composable wrapper around READ_TEXT’s filter path. Third argument (boolean or integer truthy value) inverts the match, matching grep -v.

Trait Implementations§

impl TableGenerator for Grep

fn name(&self) -> &str

Get the name of the generator function (e.g., “GENERATE_PRIMES”)

fn columns(&self) -> Vec<DataColumn>

Get the column definitions for the generated table

fn generate(&self, args: Vec<DataValue>) -> Result<Arc<DataTable>>

Generate the table based on the provided arguments Arguments are evaluated expressions from the SQL query

fn description(&self) -> &str

Get a description of what this generator does

fn arg_count(&self) -> usize

Get the expected number of arguments

Auto Trait Implementations§

impl Freeze for Grep

impl RefUnwindSafe for Grep

impl Send for Grep

impl Sync for Grep

impl Unpin for Grep

impl UnsafeUnpin for Grep

impl UnwindSafe for Grep

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

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Gets the TypeId of self. Read more

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where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
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impl<T> WithSubscriber for T

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