EagerExprBuilder: Eager frame expression builder

In table.express: Build 'data.table' Expressions with Data Manipulation Verbs

Eager frame expression builder

Description

Like ExprBuilder, but eager in some regards. This shouldn't be used directly.

Super class

table.express::ExprBuilder -> EagerExprBuilder

Methods

Public methods

• EagerExprBuilder$new()

• EagerExprBuilder$chain()

• EagerExprBuilder$chain_if_set()

• EagerExprBuilder$clone()

Inherited methods

• table.express::ExprBuilder$eval()
• table.express::ExprBuilder$print()
• table.express::ExprBuilder$seek_and_nestroy()
• table.express::ExprBuilder$set_by()
• table.express::ExprBuilder$set_i()
• table.express::ExprBuilder$set_j()
• table.express::ExprBuilder$tidy_select()

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Method new()

Constructor.

Usage

EagerExprBuilder$new(DT, ...)

Arguments

DT

A data.table::data.table.

...

Ignored.

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Method chain()

Override to abort if chaining is attempted.

Usage

EagerExprBuilder$chain(...)

Arguments

...

Ignored.

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Method chain_if_set()

Override to abort if chaining is attempted.

Usage

EagerExprBuilder$chain_if_set(...)

Arguments

...

Ignored.

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Method clone()

The objects of this class are cloneable with this method.

Usage

EagerExprBuilder$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

table.express documentation built on April 3, 2023, 5:43 p.m.