Permission denied to write a table with dbWriteTable in RPostgreSQL - r

Question

I've been trying to solve a problem with the RPostgreSQL package for quite some time. My code:
path_ene <- "C:/Users/omen03/ENE"
nene <- "ene_2010_02_efm.csv"
drv <- dbDriver("PostgreSQL")
con = dbConnect(drv, user="postgres", password="mypassword",
host="localhost", port=5432, dbname="ENE")
tn = "ene_2010_02_efm";
dbRemoveTable(con,tn);
dbWriteTable(conn = con, name = tn, value = paste0(path_ene,"/",nene),
sep = ",", overwrite = FALSE))
When executing the code described above, I throw the following error:
Error in postgresqlExecStatement (conn, statement, ...):   
RS-DBI driver: (could not Retrieve the result: ERROR:
Could not open file «C: /Users/omen03/ENE/ene_2010_02_efm.csv» for reading: Permission denied
HINT: COPY FROM tells the PostgreSQL server process to read a
file. You may want to use a client-side facility such as psql \ copy.
) In addition: Warning message: In postgresqlImportFile (conn, name,
value, ...):    could not load data into table
when I try without specifying the file path, it throws me another error
dbRemoveTable(con,tn);
dbWriteTable(conn = con, name = tn, value = nene),
sep = ",", overwrite = FALSE))
Error in postgresqlExecStatement (conn, statement, ...):    RS-DBI
driver: (could not Retrieve the result: ERROR: could not open file Â
«./ ene_2010_02_efm» for reading: No such file or directory
HINT:
COPY FROM tells the PostgreSQL server process to read a file. You may
want to use a client-side facility such as psql \ copy. ) In addition:
Warning message: In postgresqlImportFile (conn, name, value, ...):   
could not load data into table
Update:
Taking into account the error message, I decided to use sql directly to insert the csv values in each of the tables in the database. For that I used a couple of functions
createEmptyTable <- function(con,tn,df) {
sql <- paste0("create table \"",tn,"\" (",paste0(collapse=',','"',names(df),'" ',sapply(df[0,],postgresqlDataType)),");");
dbSendQuery(con,sql);
invisible();
};
Taken from: How to write a table in PostgreSQL from R?
and
#tn: Table name
#c_names: column names of each table (a list)
#source: The path to each csv files
insert_data = function(tn, source){
sql = paste0('COPY ',tn,' FROM \'',paste0(path_ene,'\\',source),'\' DELIMITER \',\' CSV HEADER')
dbSendQuery(con, sql);
}
insert_data(tn[1], paste0(path_ene, "/",nene[1]))
Anyway, I still get a very similar error.
Error in postgresqlExecStatement (conn, statement, ...):    RS-DBI
driver: (could not Retrieve the result: ERROR: Could not open file Â
«C: /Users/omen03/ENE/ene_2010_02_efm.csv» for reading: Permission
denied HINT: COPY FROM tells the PostgreSQL server process to read a
file. You may want to use a client-side facility such as psql \ copy.
)
My session info:
R version 3.6.1 (2019-07-05) Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 18362)
Matrix products: default
locale: [1] LC_COLLATE=Spanish_Chile.1252 LC_CTYPE=Spanish_Chile.1252
LC_MONETARY=Spanish_Chile.1252 LC_NUMERIC=C [5]
LC_TIME=Spanish_Chile.1252
attached base packages: [1] stats graphics grDevices utils
datasets methods base
other attached packages: [1] RPostgreSQL_0.6-2 DBI_1.0.0
foreign_0.8-71 captioner_2.2.3 kableExtra_1.1.0 wordcloud_2.6
tidytext_0.2.2 gridExtra_2.3 [9] gtable_0.3.0
readstata13_0.9.2 RColorBrewer_1.1-2 ggrepel_0.8.1 pbapply_1.4-2
srvyr_0.3.6 data.table_1.12.6 lubridate_1.7.4 [17]
stringi_1.4.3 forcats_0.4.0 stringr_1.4.0 dplyr_0.8.3
purrr_0.3.3 readr_1.3.1 tidyr_1.0.0 tibble_2.1.3
[25] ggplot2_3.2.1 tidyverse_1.3.0
loaded via a namespace (and not attached): [1] httr_1.4.1
jsonlite_1.6 viridisLite_0.3.0 splines_3.6.1 modelr_0.1.5
assertthat_0.2.1 cellranger_1.1.0 sessioninfo_1.1.1 [9]
pillar_1.4.3 backports_1.1.5 lattice_0.20-38 glue_1.3.1
digest_0.6.23 rvest_0.3.5 colorspace_1.4-1 htmltools_0.4.0
[17] Matrix_1.2-17 survey_3.36 pkgconfig_2.0.3 broom_0.5.2
haven_2.2.0 scales_1.1.0 webshot_0.5.2 generics_0.0.2
[25] withr_2.1.2 lazyeval_0.2.2 cli_2.0.0
survival_2.44-1.1 magrittr_1.5 crayon_1.3.4 readxl_1.3.1
evaluate_0.14 [33] tokenizers_0.2.1 janeaustenr_0.1.5 fs_1.3.1
fansi_0.4.0 nlme_3.1-140 SnowballC_0.6.0 xml2_1.2.2
tools_3.6.1 [41] hms_0.5.2 mitools_2.4
lifecycle_0.1.0 munsell_0.5.0 reprex_0.3.0 compiler_3.6.1
rlang_0.4.2 grid_3.6.1 [49] rstudioapi_0.10
rmarkdown_1.18 R6_2.4.1 knitr_1.26 zeallot_0.1.0
parallel_3.6.1 Rcpp_1.0.3 vctrs_0.2.1 [57]
dbplyr_1.4.2 tidyselect_0.2.5 xfun_0.11

Answer 1

Finally, I found the answer by looking for the problem of directly importing data into postgresql. It was enough to change the configuration of the folder containing the .csv files.
I reproduce this answer that was the one I finally used.
Right click the folder containing the data file(s) that permission was denied to and then click Properties.
In the Folder's Properties window, select the Security tab.
Click the Edit button. In the "Permissions for the folder" window that opened, click the Add... button.
Type Everyone into the "Enter the object names to select" text area box.
Click OK and the window will close.