/usr/lib/R/site-library/RPostgreSQL/devTests/PostgreSQLDataTypeTest.r is in r-cran-rpostgresql 0.4-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | #!/usr/bin/R
## Create a database
tempdb <- "tempdbase"
system(paste("createdb", tempdb))
library(RPostgreSQL)
drv <- dbDriver("PostgreSQL")
con <- dbConnect(drv, dbname=tempdb)
## Test the numeric mapping
dbSendQuery(con, "create table testnumeric (intcolumn integer, floatcolumn float);")
i <- as.integer(10)
j <- as.numeric(56.6)
sql <- paste("insert into testnumeric ",
"values (",i, "," ,j ,") ", sep="")
res <- dbSendQuery(con, sql)
dat <- dbReadTable(con, "testnumeric")
cat("Read Numeric values\n")
## now test the types of the colums we got
stopifnot( class(dat[,1]) == "integer" )
stopifnot( class(dat[,2]) == "numeric" )
cat("GOOD -- all numeric types are as expected\n")
## and test the values
stopifnot( identical( dat[1,1], i))
stopifnot( identical( dat[1,2], j))
cat("GOOD -- all numeric values are as expected\n")
## Test the logical mapping
dbSendQuery(con,"create table testlogical (col1 boolean, col2 boolean)")
i <- as.logical(TRUE)
j <- as.logical(FALSE)
sql <- paste("insert into testlogical ",
"values (",i, "," ,j ,") ", sep="")
res <- dbSendQuery(con, sql);
dat <- dbReadTable(con, "testlogical")
cat("Read Logical values\n")
## now test the types of the colums we got
stopifnot( class(dat[,1]) == "logical" )
stopifnot( class(dat[,2]) == "logical" )
cat("GOOD -- all logical types are as expected\n")
## and test the values
stopifnot( identical( dat[1,1], i))
stopifnot( identical( dat[1,2], j))
cat("GOOD -- all logical values are as expected\n")
## Test the character mapping
dbSendQuery(con,"create table testchar (code char(3),city varchar(20),country text);")
i <- as.character("IN")
j <- as.character("Hyderabad")
k <- as.character("India")
sql <- paste("insert into testchar ",
"values ('",i,"' , '",j ,"' , '",k,"') ", sep="")
res <- dbSendQuery(con, sql);
dat <- dbReadTable(con, "testchar")
cat("Read Character values\n")
## now test the types of the colums we got
stopifnot( class(dat[,1]) == "character" )
stopifnot( class(dat[,2]) == "character" )
stopifnot( class(dat[,3]) == "character" )
cat("GOOD -- all character types are as expected\n")
## and test the values
##stopifnot( identical( dat[1,1], i))
stopifnot( identical( dat[1,2], j))
stopifnot( identical( dat[1,3], k))
cat("GOOD -- all character values are as expected\n")
dbDisconnect(con)
dbUnloadDriver(drv)
system(paste("dropdb", tempdb))
cat("DONE\n")
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