BiodbSqlLogicalOp: This class represents an SQL logical operator.

In pkrog/biodb: biodb, a library and a development framework for connecting to chemical and biological databases

This class represents an SQL logical operator.

Description

This class represents an SQL logical operator.

This class represents an SQL logical operator.

Super class

biodb::BiodbSqlExpr -> BiodbSqlLogicalOp

Methods

Public methods

• BiodbSqlLogicalOp$new()

• BiodbSqlLogicalOp$addExpr()

• BiodbSqlLogicalOp$toString()

• BiodbSqlLogicalOp$clone()

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Method new()

Initializer.

Usage

BiodbSqlLogicalOp$new(op)

Arguments

op

The logical operator, as a string.

Returns

Nothing.

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Method addExpr()

Add an SQL expression to the logical operator.

Usage

BiodbSqlLogicalOp$addExpr(expr)

Arguments

expr

A BiodbSqlExpr instance.

Returns

Nothing.

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Method toString()

Converts into a string.

Usage

BiodbSqlLogicalOp$toString()

Returns

A string containing the SQL expression.

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Method clone()

The objects of this class are cloneable with this method.

Usage

BiodbSqlLogicalOp$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

pkrog/biodb documentation built on Nov. 29, 2022, 4:24 a.m.