assert_one_tablenames | R Documentation |
list
of data.frame
.Assert that at least one name is among table names of a list
of data.frame
.
assert_one_tablenames(db, tab, null_ok = TRUE, qualifier = NULL)
db |
( |
tab |
( |
null_ok |
( |
qualifier |
( |
invisible TRUE
or an error message if the criteria are not fulfilled.
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