resourcer (version 1.1.1)

SQLResourceClient: SQL database resource client

Description

SQL database resource client

SQL database resource client

Format

A R6 object of class SQLResourceClient

Super class

resourcer::ResourceClient -> SQLResourceClient

Methods

Public methods

• SQLResourceClient$new()

• SQLResourceClient$getConnection()

• SQLResourceClient$asDataFrame()

• SQLResourceClient$asTbl()

• SQLResourceClient$getTableName()

• SQLResourceClient$close()

• SQLResourceClient$clone()

• resourcer::ResourceClient$downloadFile()

• resourcer::ResourceClient$exec()

• resourcer::ResourceClient$getResource()

Method new()

Creates a SQLResourceClient from a resource.

Usage

SQLResourceClient$new(resource, dbi.connector = NULL)

Arguments

resource

The resource object.

dbi.connector

An optional DBIResourceConnector object. If not provided, it will be looked up in the DBIResourceConnector registry.

Returns

The SQLResourceClient object.

Method getConnection()

Get or create the DBI connection object that will access the resource.

Usage

SQLResourceClient$getConnection()

Returns

The DBI connection object.

Method asDataFrame()

Coerce the SQL table to a data.frame.

Usage

SQLResourceClient$asDataFrame(...)

Arguments

...

Additional parameters (not used).

Returns

A data.frame (more specifically a tibble).

Method asTbl()

Get the SQL table as a dplyr's tbl.

Usage

SQLResourceClient$asTbl()

Returns

A dplyr's tbl object.

Method getTableName()

Get the SQL table name from the resource URL.

Usage

SQLResourceClient$getTableName()

Returns

The SQL table name.

Method close()

Silently close the DBI connection.

Usage

SQLResourceClient$close()

Method clone()

The objects of this class are cloneable with this method.

Usage

SQLResourceClient$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Details

Resource client that connects to a SQL database supported by DBI.