assert_one_tablenames

Assert that at least one name is among table names of a <code>list</code> of <code>data.frame</code>.

internal

A collection of functions to preprocess data and organize
them in a format amenable to use by chevron.

Joe Zhu

dunlin

Preprocessing Tools for Clinical Trial Data

assert_one_tablenames function

<dl><dt>db</dt>
<dd>(<code>list</code> of <code>data.frame</code>) input to check for the presence or tables.</dd>
<dt>tab</dt>
<dd>(<code>character</code>) the names of the tables to be checked.</dd>
<dt>null_ok</dt>
<dd>(<code>flag</code>) can <code>x</code> be NULL.</dd>
<dt>qualifier</dt>
<dd>(<code>string</code>) to be returned if the check fails.</dd></dl>

Arguments

Assert that at least one name is among table names of a list of data.frame. — assert_one_tablenames

<dl>

<dt>db</dt>
<dd>(<code>list</code> of <code>data.frame</code>) input to check for the presence or tables.</dd>


<dt>tab</dt>
<dd>(<code>character</code>) the names of the tables to be checked.</dd>


<dt>null_ok</dt>
<dd>(<code>flag</code>) can <code>x</code> be NULL.</dd>


<dt>qualifier</dt>
<dd>(<code>string</code>) to be returned if the check fails.</dd>

</dl>

assert_one_tablenames: Assert that at least one name is among table names of a `list` of `data.frame`.

Description

Usage

Value

Arguments