compute() stores results in a remote temporary table. collect() retrieves data into a local tibble. collapse() is slightly different: it doesn't force computation, but instead forces generation of the SQL query. This is sometimes needed to work around bugs in dplyr's SQL generation.

compute(x, name = random_table_name(), ...)

collect(x, ...)

collapse(x, ...)

Arguments

x

A tbl

name

Name of temporary table on database.

...

Other arguments passed on to methods

Details

All functions preserve grouping and ordering.

See also

copy_to(), the opposite of collect(): it takes a local data frame and uploads it to the remote source.

Examples

if (require(dbplyr)) { mtcars2 <- src_memdb() %>% copy_to(mtcars, name = "mtcars2-cc", overwrite = TRUE) remote <- mtcars2 %>% filter(cyl == 8) %>% select(mpg:drat) # Compute query and save in remote table compute(remote) # Compute query bring back to this session collect(remote) # Creates a fresh query based on the generated SQL collapse(remote) }
#> Loading required package: dbplyr
#> Warning: there is no package called ‘dbplyr’