Amazon Athena JDBC Driver Wrapper Supporting the 'metis' Package
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#' Access and Query Amazon Athena via DBI/JDBC
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#'
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#' Methods are provides to connect to 'Amazon' 'Athena', lookup schemas/tables,
#' perform queries and retrieve query results. A lightweight 'RJDBC' implementation
#' is included along with an interface to the 'AWS' command-line utility.
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#'
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#' @name metis.lite
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#'
#' @section IMPORTANT:
#'
#' Since R 3.5 (I don't remember this happening in R 3.4.x) signals sent from interrupting
#' Athena JDBC calls crash the R #' interpreter. You need to set the `-Xrs` option to avoid
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#' signals being passed on to the JVM owner. That has to be done _before_ `rJava` is
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#' loaded so you either need to remember to put it at the top of all scripts _or_ stick this
#' in your local #' `~/.Rprofile` and/or sitewide `Rprofile`:
#'
#'
#' if (!grepl("-Xrs", getOption("java.parameters", ""))) {
#' options(
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#' "java.parameters" = c(getOption("java.parameters", default = NULL), "-Xrs")
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#' )
#' }
#'
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#' @md
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#' @encoding UTF-8
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#' @keywords internal
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#' @docType package
#' @author Bob Rudis (bob@@rud.is)
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#' @import RJDBC DBI bit64 dbplyr
#' @references [Simba Athena JDBC Driver with SQL Connector Installation and Configuration Guide](https://s3.amazonaws.com/athena-downloads/drivers/JDBC/SimbaAthenaJDBC_2.0.6/docs/Simba+Athena+JDBC+Driver+Install+and+Configuration+Guide.pdf)
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#' Use Credentials from .aws/credentials File
#'
#' @md
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#' @importFrom aws.signature use_credentials read_credentials
#' @references [aws.signature::use_credentials()] / [aws.signature::read_credentials()]
#' @name use_credentials
#' @rdname use_credentials
#' @inheritParams aws.signature::use_credentials
#' @export
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#' @name read_credentials
#' @rdname use_credentials
#' @export
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