geomaterials_field_exists {OpenMindat}

retrieve the geomaterials records of empty or not empty of a given field.

Description

: Queries the list of geomaterials with an empty or not empty of a given field.

Usage

geomaterials_field_exists(fieldname,bexists,...)

Arguments

fieldname

string

bexists

bool

...

Further named parameters.Other optional arguments.

Details

This function releated to all the fields of geomaterials. e.g. meteoritical_code_exists.Meteoritical code exists. Include non-empty (true) / include empty only (false) retrieve the geomaterial list with an empty or not empty of a given field.

Value

df, a list of geomaterials

Examples

## Not run: 
df <-geomaterials_field_exists("meteoritical_code")

## End(Not run)