containing
tables with more than 2000 columns may not be compatible with
versions of SQLite compiled with default settings.
- Upgrade to SQLite 3.7.9.
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to create a new table from an existing table using
SQL where the new table has the types you want.
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PLEASE do read
contains all the same
declared type affinity.
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Best,
Jia
On Tue, Mar 1, 2011 at 1:16 AM, Seth Falcon s...@userprimary.net wrote:
Hi Jia,
On Mon, Feb 28, 2011 at 6:57 PM, chen jia chen_1...@fisher.osu.edu wrote:
The .schema of table annual_data3 is
sqlite .schema annual_data3
CREATE
] tools_2.11.1
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and provide commented
and convert
if needed at the R level.
- remove NA/NULL values from the db or decide on a different way of
encoding them (e.g you might be able to use -1 in the db in some
situation to indicate missing). Your R code would then need to map
these to proper NA.
Hope that helps.
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in order to write it, but
haven't used it much since :-P
Be sure to look at R's native environment objects which provide a hash
table structure and are suitable for many uses.
+ seth
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chunk of data right after the previous chunk, or do we need to
keep track of things using skip
The purpose of using a file connection is to allow R to keep its place
in the file as it reads and not have to re-read or skip. This is
considerably more efficient.
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= )
dbGetPreparedQuery(db, sql.in, bind.data = part)
}
}, error = function(e) {
if (grepl(no lines available, conditionMessage(e)))
TRUE
else
stop(conditionMessage(e))
})
dbCommit(db)
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Hi,
On 8/14/10 11:43 PM, Stephen Liu wrote:
Could you please explain a little bid further whether after connecting the
website I can select either 32 or 64 bit version?
R packages come in pre-compiled binary flavors for some OS/architectures
and always as source packages. If you are on
Hi,
On 7/21/10 1:58 AM, confusedcius wrote:
The details of my problem are as follows:
I have an sql that returns 2192 rows in sqlite.
In R, I typed the following:
library(RSQLite)
con - dbConnect(dbDriver(SQLite), dbname = C:\\sqlite\\... .sqlite)
dbListTables(con)
#[1] tbl_n...
Hi Stephen,
On 8/12/10 7:10 PM, Stephen Liu wrote:
Hi folks,
Ubuntu 10.04 64 bit
Where can I find 64 bit RSQLite?
It seems not there;
RSQLite: SQLite interface for R
http://cran.r-project.org/web/packages/RSQLite/index.html
You should be able to install the RSQLite source package to
the example in a helper function to provide your own
BLOB respecting write table function if you can't get dbWriteTable to
work for your case.
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https
-darwin9.8.0
The mac binary package is intended to work with the R binary installer
for OS X. So if you want to use it, you need to install R that way.
Hope that helps some.
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)
checkEquals(10, nrow(a))
a - dbGetQuery(db, select * from t1)
checkEquals(10, nrow(a))
checkEquals(2, ncol(a))
checkEquals(z, sapply(a$data, rawToChar))
dbDisconnect(db)
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/building.html
+ seth
David
On Jul 11, 2010, at 4:09 PM, Seth Falcon wrote:
Hi David,
On Sun, Jul 11, 2010 at 12:27 PM, David Ruau dr...@stanford.edu wrote:
On a fresh install of R on mac os x 10.6.4 (snow leopard) RSQLite
did not install while running biocLite()
How did you install R?
$ R
the SQLite header files in the
installed include directory so that RSQLite.extfuns (and other
packages wishing to provide SQLite extension functions) can use
LinkingTo. The default value of loadable.extensions is now TRUE.
+ seth
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this? Thanks!
dbGetQuery(db,
select * from sqlite_master where tbl_name = 'yourTable')
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, only values.
For details of what is supported, try reading through the examples in
help(dbSendPreparedQuery)
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these and other changes here:
http://cran.r-project.org/web/packages/RSQLite/NEWS
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available here:
http://cran.r-project.org/web/packages/RSQLite/NEWS
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? You could also provide a
validate function that takes a data.frame and either says OK or
describes the ways in which the input does not conform.
I think the benefits you would get out of a complete S4 wrapping of
data.frame do not outweigh the complexity introduced.
+ seth
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and C code you want to use/test. This would best
allow other people to have a single version of the R package, no?
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investigating and fixing. It should be possible to avoid such
conflicts by proper use of name spaces, but I have not looked into the
details of what's going on.
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this:
R -d gdb
run
source(src/tests/Examples/base-Ex.R)
Assuming you get a crash, type bt in the gdb console and send output.
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dependencies that would be listed on that
page if there were any for this package. An example with reverse
dependencies is e.g., the IRanges package:
http://bioconductor.org/packages/2.5/bioc/html/IRanges.html
The maintainer (Seth Falcon) would know for sure if the package will
do reverse dependencies
you are using the latest R release and latest
Bioconductor and CRAN packages.
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PLEASE do read the posting guide http
Hi Magnus,
Magnus Torfason zulutime.net at gmail.com writes:
I just noticed (the hard way of course) that when a query returns 0
rows, the columns in the resulting data.frame get dropped as well. See
the following example code (where conn is an active connection to an
SQLite db):
Hi,
RSQLite 0.7-2 is available on CRAN.
Version 0.7-2
- Fixed some partial argument matching warnings. Thanks to Matthias
Burger for reporting and sending a patch.
- Added dbBuildTableDefinition to exports per user request.
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