Teradata Package for R Function Reference | 17.00 - Antiselect - Teradata Package for R - Look here for syntax, methods and examples for the functions included in the Teradata Package for R.

Antiselect

Description

Antiselect function returns all columns except those specified in the "exclude" argument.
Note: This function is only available when tdplyr is connected to Vantage 1.1 or later versions.

Usage

  td_antiselect_sqle (
    data = NULL,
    exclude = NULL,
    data.order.column = NULL
  )

Arguments

data	Required Argument. Specifies the name of the input tbl_teradata.
data.order.column	Optional Argument. Specifies Order By columns for "data". Values to this argument can be provided as a vector, if multiple columns are used for ordering. Types: character OR vector of Strings (character)
exclude	Required Argument. Specifies the names of the columns not to return. Types: character OR vector of Strings (character)

Value

Function returns an object of class "td_antiselect_sqle" which is a named list containing object of class "tbl_teradata".
Named list member can be referenced directly with the "$" operator using the name: result.

Examples

  
    # Get the current context/connection
    con <- td_get_context()$connection

    # Load example data.
    loadExampleData("antiselect_example", "antiselect_input")

    # Create object(s) of class "tbl_teradata".
    antiselect_input <- tbl(con, "antiselect_input")

    # Example 1 - Exclude five columns as specified in the "exclude" argument
    td_antiselect_sqle_out <- td_antiselect_sqle(data = antiselect_input,
                                                 exclude = c("rowids","orderdate","discount",
                                                             "province", "custsegment")
                                                )