It would be nice if dplyr::bind_rows
could be a used on Sparklyr
data handles.
OSX 10.11.6. Spark installed as described at http://spark.rstudio.com
library('sparklyr')
spark_install(version = "2.0.0")
library('dplyr')
#
# Attaching package: 'dplyr'
# The following objects are masked from 'package:stats':
#
# filter, lag
# The following objects are masked from 'package:base':
#
# intersect, setdiff, setequal, union
library('sparklyr')
R.Version()$version.string
# [1] "R version 3.3.2 (2016-10-31)"
packageVersion('dplyr')
# [1] '0.5.0'
packageVersion('sparklyr')
# [1] '0.5.2'
my_db <- sparklyr::spark_connect(version='2.0.0', master = "local")
class(my_db)
# [1] "spark_connection" "spark_shell_connection" "DBIConnection"
my_db$spark_home
# [1] "/Users/johnmount/Library/Caches/spark/spark-2.0.0-bin-hadoop2.7"
print(my_db)
# $master
# [1] "local[4]"
#
# $method
# [1] "shell"
#
# $app_name
# [1] "sparklyr"
#
# $config
# $config$sparklyr.cores.local
# [1] 4
#
# $config$spark.sql.shuffle.partitions.local
# [1] 4
#
# $config$spark.env.SPARK_LOCAL_IP.local
# [1] "127.0.0.1"
#
# $config$sparklyr.csv.embedded
# [1] "^1.*"
#
# $config$`sparklyr.shell.driver-class-path`
# [1] ""
#
# attr(,"config")
# [1] "default"
# attr(,"file")
# [1] "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/sparklyr/conf/config-template.yml"
#
# $spark_home
# [1] "/Users/johnmount/Library/Caches/spark/spark-2.0.0-bin-hadoop2.7"
#
# $backend
# description class mode text opened
# "->localhost:59941" "sockconn" "wb" "binary" "opened"
# can read can write
# "yes" "yes"
#
# $monitor
# description class mode text opened
# "->localhost:59938" "sockconn" "rb" "binary" "opened"
# can read can write
# "yes" "yes"
#
# $output_file
# [1] "/var/folders/7q/h_jp2vj131g5799gfnpzhdp80000gn/T//RtmpmEh0l2/file1036b3ee7df70_spark.log"
#
# $spark_context
# <jobj[5]>
# class org.apache.spark.SparkContext
# org.apache.spark.SparkContext@358b911d
#
# $java_context
# <jobj[6]>
# class org.apache.spark.api.java.JavaSparkContext
# org.apache.spark.api.java.JavaSparkContext@2518d77f
#
# $hive_context
# <jobj[9]>
# class org.apache.spark.sql.SparkSession
# org.apache.spark.sql.SparkSession@712ac526
#
# attr(,"class")
# [1] "spark_connection" "spark_shell_connection" "DBIConnection"
Sparklyr
data reference.support <- copy_to(my_db,
data.frame(year=2005:2010),
'support')
# This form doesn't work.
dplyr::bind_rows(support, support)
# # A tibble: 24 × 4
# con src x vars
# <list> <list> <chr> <chr>
# 1 <chr [1]> <NULL> <NA> <NA>
# 2 <chr [1]> <NULL> <NA> <NA>
# 3 <chr [1]> <NULL> <NA> <NA>
# 4 <list [5]> <NULL> <NA> <NA>
# 5 <chr [1]> <NULL> <NA> <NA>
# 6 <S3: sockconn> <NULL> <NA> <NA>
# 7 <S3: sockconn> <NULL> <NA> <NA>
# 8 <chr [1]> <NULL> <NA> <NA>
# 9 <S3: spark_jobj> <NULL> <NA> <NA>
# 10 <S3: spark_jobj> <NULL> <NA> <NA>
# # ... with 14 more rows
# This form doesn't work.
dplyr::bind_rows(list(support, support))
# Error in eval(expr, envir, enclos): incompatible sizes (1 != 3)
Submitted as sparklyr issue 505.
version
# _
# platform x86_64-apple-darwin13.4.0
# arch x86_64
# os darwin13.4.0
# system x86_64, darwin13.4.0
# status
# major 3
# minor 3.2
# year 2016
# month 10
# day 31
# svn rev 71607
# language R
# version.string R version 3.3.2 (2016-10-31)
# nickname Sincere Pumpkin Patch
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