Presto DBI resource connector

Presto DBI resource connector

Presto DBI resource connector

Format

A R6 object of class PrestoResourceConnector

Details

Makes a Presto DBI connection from a resource description.

Super class

resourcer::DBIResourceConnector -> PrestoResourceConnector

Methods

Public methods

• PrestoResourceConnector$new()

• PrestoResourceConnector$isFor()

• PrestoResourceConnector$createDBIConnection()

• PrestoResourceConnector$clone()

Inherited methods

• resourcer::DBIResourceConnector$closeDBIConnection()
• resourcer::DBIResourceConnector$getTableName()
• resourcer::DBIResourceConnector$readDBTable()
• resourcer::DBIResourceConnector$readDBTibble()

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Method new()

Creates a new PrestoResourceConnector instance.

Usage

PrestoResourceConnector$new()

Returns

A PrestoResourceConnector object.

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Method isFor()

Check that the provided resource has a URL that locates a Presto object: the URL scheme must be "presto", "presto+http" or "presto+https".

Usage

PrestoResourceConnector$isFor(resource)

Arguments

resource

The resource object to validate.

Returns

A logical.

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Method createDBIConnection()

Creates a DBI connection object from a resource.

Usage

PrestoResourceConnector$createDBIConnection(resource)

Arguments

resource

A valid resource object.

Returns

A DBI connection object.

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Method clone()

The objects of this class are cloneable with this method.

Usage

PrestoResourceConnector$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.