Package: pool 1.0.3.9000

Hadley Wickham

pool:Object Pooling

Enables the creation of object pools, which make it less computationally expensive to fetch a new object. Currently the only supported pooled objects are 'DBI' connections.

Authors:Joe Cheng [aut], Barbara Borges [aut], Hadley Wickham [aut, cre], Posit Software, PBC [cph, fnd]

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pool/json (API)
NEWS

# Installpool in R:

install.packages('pool',repos = c('https://rstudio.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/rstudio/pool/issues

On CRAN:

50 exports 243 stars 6.20 score 5 dependencies 11 dependents 2 mentions 12.7k downloads

Last updated 5 months agofrom:7ac5df4faf

Exports:dbAppendTable dbAppendTableArrow dbBegin dbBreak dbCommit dbCreateTable dbCreateTableArrow dbDataType dbDisconnect dbExecute dbExistsTable dbGetInfo dbGetQuery dbGetQueryArrow dbIsReadOnly dbIsValid dbListFields dbListObjects dbListTables dbPool dbQuoteIdentifier dbQuoteLiteral dbQuoteString dbReadTable dbReadTableArrow dbRemoveTable dbRollback dbSendQuery dbSendQueryArrow dbSendStatement dbUnquoteIdentifier dbWithTransaction dbWriteTable dbWriteTableArrow localCheckout onActivate onDestroy onPassivate onValidate Pool poolCheckout poolClose poolCreate poolReturn poolWithTransaction sqlAppendTable sqlCreateTable sqlData sqlInterpolate sqlParseVariables

Dependencies:DBI later R6 Rcpp rlang

Why pool?

Rendered fromwhy-pool.Rmdusingknitr::rmarkdownon Jun 13 2024.

Last update: 2023-01-29
Started: 2023-01-29

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Unsupported DBI methods	dbBegin,Pool-method dbCommit,Pool-method dbDisconnect,Pool-method dbGetInfo,Pool-method DBI-custom dbIsValid,Pool-method dbRollback,Pool-method dbSendQuery,Pool-method dbSendStatement,Pool,ANY-method dbWithTransaction,Pool-method
Create a pool of database connections	dbPool
Create a pool of reusable objects	Pool Pool-class poolClose poolClose,Pool-method poolCreate
Check out and return object from the pool	localCheckout poolCheckout poolCheckout,Pool-method poolReturn poolReturn,ANY-method
Self-contained database transactions using pool	poolWithTransaction
Use pool with dbplyr	copy_to.Pool tbl.Pool