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pool 0.1.5

  • dbQuoteLiteral() method is now implemented for pool objects. (#100)

pool 0.1.4.3

  • Previously, pool would always set options(warn=1) when running tasks. It now ensures that the value of warn can be 1 or greater. This can be useful in debugging, so that options(warn=2) can be used. (#90)

pool 0.1.4.2

  • Update unit test for compatibility with future dbplyr. (#82)

pool 0.1.4.1

  • Change package maintainer

pool 0.1.4

  • Changed the methods dbExistsTable(), dbRemoveTable(), dbWriteTable(), dbGetQuery(), dbExecute(), dbListFields() and dbReadTable() to dispatch over the first two arguments, as per the default definition in DBI. (#57)

pool 0.1.3

  • Use requireNamespace("pkg", quietly = TRUE) for RMySQL and RSQLite in the examples and tests since these are "Suggests" packages (i.e. not "Depends"). (commit #4205feb)

pool 0.1.2

Minor new features and improvements

  • Included more examples in the documentation. (#50)

  • Fixed the "test-create-destroy.R" test. Previously, this test had to be run manually because it uses later and its async nature could not be captured by testthat. However, using later::run_now() immediately after the relevant code snippet (i.e. still inside the first argument of expect_*) solves the issue. (#50)

  • Use difftime(t1, t0, units = "secs") when calculating a time interval. Unlike the simpler t1 - t0 method, this guarantees that the result will always be consistently the number of seconds. However, there's no change when calculating a new time (not a time interval) using t2 <- t1 - interval, since we want t2 to be a time, rather than a time interval (which is always what is returned by difftime). (#50 and #48, thank you @caewok!)

Bug fixes

  • Fix all dbplyr wrapper functions that weren't passing in additional arguments because the call to the original dbplyr function included ... = ... instead of .... Also, pass temporary = temporary in copy_to.Pool, so that we don't defeat the whole purpose of that wrapper. (#50)

  • Change the place where the check for the maximum number of objects is made. Previously, this chunk of code was misplaced and it would result in buggy behavior: namely, once the maximum number of objects was reached, no more objects could be checked out (even if you returned any/all objects back to the pool). The only reason this wasn't spotted earlier is because the default maxSize is Inf (and there's usually not a good reason to change it). (#50)

pool 0.1.1

Breaking changes

  • Fix #39: Moved dplyr support in pool from dplyr 0.5.0 to dplyr 0.7.0, which includes a lot of breaking changes including the addition of a brand new package called dbplyr. (#42)

    For pool users, the main change is that all the src_* functions are now gone (from dplyr and pool). Therefore, if you had something like:

    data <- src_pool(pool) %>% tbl("test")

    You can just change it to the simpler:

    data <- pool %>% tbl("test")

    If you're still on an old version of dplyr and want to use pool as well, please install the package using the tag created for that purpose:

    devtools::install_github("rstudio/[email protected]")

  • Changed all time arguments to accept number of seconds, instead of milliseconds. This is because this is what the later package uses and there was no reason for pool to be different, except backward compatibility. Since both time arguments to dbPool (idleTimeout and validationInterval) have default values, we're hoping this change won't even be noticed by most users. If you were setting either of those directly, however, you will need to update your app if you update the pool package. (#44)

  • Dropped the Pool methods around dbConnect and dbDisconnect, because these made it easier to lose track of whether you're operating on a Pool object or on a database connection directly. From now on, only these allow you to get a connection from the pool and return it back, respectively: (#44)

    con <- poolCheckout(pool)
poolReturn(con)

New features

  • Use later package for scheduling tasks (#44). This also has the side effect of fixing #40 and #43 since later allows us to get rid of the naiveScheduler completely.

Library updates

  • Roxygen 5.0.1 to 6.0.1. (commit #9952000)

pool 0.1.0

  • Initial release!