Quick look at remote data
qlook(
my_db,
tableName,
...,
displayRows = 10,
countRows = TRUE,
qualifiers = NULL
)
database handle
name of table to look at
force later arguments to be by name.
number of rows to sample
logical, if TRUE return row count.
optional named ordered vector of strings carrying additional db hierarchy terms, such as schema.
str view of data
if ( requireNamespace("DBI", quietly = TRUE) &&
requireNamespace("RSQLite", quietly = TRUE)) {
my_db <- DBI::dbConnect(RSQLite::SQLite(), ":memory:")
rquery::rq_copy_to(my_db,
'd',
data.frame(AUC = 0.6, R2 = 0.2),
overwrite = TRUE,
temporary = TRUE)
qlook(my_db, 'd')
DBI::dbDisconnect(my_db)
}
#> table `d` SQLiteConnection
#> nrow: 1
#> 'data.frame': 1 obs. of 2 variables:
#> $ AUC: num 0.6
#> $ R2 : num 0.2