ExprField: This class represents an SQL field.

In sqlq: 'SQL' Query Builder

This class represents an SQL field.

Description

This class represents an SQL field.

This class represents an SQL field.

Details

Used to define a field to be used inside a SELECT or UPDATE statement.

Super classes

sqlq::Statement -> sqlq::Expr -> ExprField

Methods

Public methods

• ExprField$new()

• ExprField$getTable()

• ExprField$getTokens()

• ExprField$clone()

Inherited methods

• sqlq::Statement$toString()

---

Method new()

Initializer.

Usage

ExprField$new(name, tabl = NULL)

Arguments

name

The field name.

tabl

The table name.

Returns

Nothing.

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Method getTable()

Return the associted table.

Usage

ExprField$getTable()

Returns

The associated table, as a character value, NA if no table is defined.

---

Method getTokens()

Generate the list of tokens representing this statement.

Usage

ExprField$getTokens()

Returns

A list of Token objects.

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Method clone()

The objects of this class are cloneable with this method.

Usage

ExprField$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Examples

# To generate the reference to field "title" in table "books":
ExprField$new("title", tabl="books")

sqlq documentation built on Sept. 16, 2025, 9:10 a.m.