Equal-to comparison query operation.

Builds a = <value> query fragment. Typically used inside a mask subquery (after BeginMask()) to filter entries whose property equals value.

Usage

IsEqual(value, ...)

Arguments

value

Value to compare against (character or numeric scalar), or a piped DafrQuery.

...

Optional piped DafrQuery.

Value

A DafrQuery.

See also

IsNotEqual(), IsGreater(), IsLess(), IsMatch()

Examples

IsEqual("T-cell")
#> <DafrQuery> = T-cell 
Axis("cell") |> BeginMask("type") |> IsEqual("T-cell") |> EndMask()
#> <DafrQuery> @ cell [ type = T-cell ]