noctua | Connect R to Athena using paws SDK | AWS library
kandi X-RAY | noctua Summary
kandi X-RAY | noctua Summary
The goal of the noctua package is to provide a DBI-compliant interface to Amazon’s Athena (using paws SDK. This allows for an efficient, easy setup connection to Athena using the paws SDK as a driver.
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noctua Key Features
noctua Examples and Code Snippets
library(DBI)
library(dplyr)
con <- dbConnect(noctua::athena(),
aws_access_key_id='YOUR_ACCESS_KEY_ID',
aws_secret_access_key='YOUR_SECRET_ACCESS_KEY',
s3_staging_dir='s3://path/to/query/bucket/',
library(noctua)
library(DBI)
con <- dbConnect(noctua::athena(),
profile_name = "your_profile",
encryption_option = "SSE_S3",
s3_staging_dir='s3://path/to/query/bucket/')
create_work_group(con, "dem
query <-
"CREATE EXTERNAL TABLE impressions (
requestBeginTime string,
adId string,
impressionId string,
referrer string,
userAgent string,
userCookie string,
ip string,
number string,
proce
Community Discussions
Trending Discussions on noctua
QUESTION
I have a huge data set of nature observations like this:
fulldata:
...ANSWER
Answered 2021-Mar-16 at 03:43This will work as long as the species names are consistently spelled. Assuming your sample data is called species
:
QUESTION
I connected RStudio to Amazon Athena, and the database connection was successful.
...ANSWER
Answered 2020-Aug-24 at 10:38Hi @datascientist2117,
I am the author of noctua
. Currently I am unable to replicate your issue. I believe their is a conflict with one of your packages you have running in your R session. I am more than happy to problem solve this :) please raise a ticket at:
https://github.com/DyfanJones/noctua/issues
noctua
makes it's connection to AWS Athena through the R SDK paws
. Which is similar to how python's boto3 connects to AWS Athena. noctua
documentation is store on it's github page: https://dyfanjones.github.io/noctua/
QUESTION
After connecting RStudio to Amazon Athena, I am attempting to look under the hood to extract the SQL statements using show_query. The code runs smoothly until I attempt to use this function.
...ANSWER
Answered 2020-Aug-24 at 18:53If you are using dbplyr
, rather than using dbGetQuery
, you should be using tbl()
. For example
QUESTION
My code looks like this:
...ANSWER
Answered 2020-Apr-13 at 12:07You can use the how parameter in pandas merge, it takes the columns based on which you want to merge:
QUESTION
HOW THE Viewports look after loading the file:
I am having an issue caused by extremely large objects (in terms of physical size not polycount etc.) that I imported from a game using ninjaripper (a script used for extracting 3d models from games). When I open the file containing these large objects, the objects are only rendered in the left orthographic viewport. All other viewports/views do not show the geometry regardless of which rendering mode (wireframe, edges faces etc.) I have selected on said viewports. The objects are also not visible in perspective views. When I unhide all items apart from a single object (of normal size) I am able to see the object in all viewports including perspective viewports. When I unhide all again, the object which could previously be seen disappears. When switching to perspective view when these extremely large objects are present, the 'viewcube' disappears for an unknown reason. Zooming in or out in a perspective viewport also results in the viewcube disappearing. This is the only scene I've had so far which shows these issues, all my graphics drivers are up to date (specs listed below). The scene contains 3602 objects and has 1,957,286 polygons and 1,508,550 vertices.
This is the furthest I could zoom out in 3ds max:
Viewcube has disappeared on top right and bottom right viewport:
I tried removing all of the extremely large objects by hand, after which the remaining (normal sizes) objects could be seen in 2 of the viewports (top left and top right viewport did render correctly). Viewports after having deleted all extremely large objects:
I tried resetting the scene, after which I merged the scene containing all 'normal sized objects' into an empty scene. This resulted in all viewports rendering the objects correctly. However, after saving the file and re-opening the saved file, 2 of the 4 viewports did not render the objects as was the case after just having deleted all but the 'normal sized' objects.
My question is: how should I deal with these extremely large imported objects in order to fix the viewport rendering issues they cause?
I wrote a simple bit of maxscript code to print out the maximum size of the biggest object in the scene, which resulted in a value of 2.6*10^38 [generic units], which, according to my calculation corresponds to a value of 6.6*10^36 [meters], in summary: extremely large. (I suspect the ninjaripper script or the script which imports the files produced by the ninjaripper into 3ds max had some sort of error causing some of the vertices to have extremely large position values). When I switch to the measure tap in 'utilities' and press Ctrl+A to select all objects in the scene (the scene containing all objects including the extremely large objects), 3ds max crashes due to the large object size (error message: "Application error- An error has occured and the application will now close. No Scene changes have occured since your last save.").
I could write some maxscript code which deletes all objects which are larger then a certain size (for example: 10^5 [meters]). However, as afore mentioned this for some reason does not fix the issue completely (after saving the scene with only 'normal sized' objects and re-opening the scene only 2 of the 4 viewports render the objects correctly. I ran the code for measuring the max size of the largest object in the scene again after having deleted all extremely large objects to check if I had indeed not skipped over one of these large objects, the result was a value of: 121.28 [generic units] (corresponding to object: "Mesh_3598") which is a relatively normal size, however 2 of my 4 viewports are not rendering my objects even after deleting the large objects (only when the left orthographic view is selected they can be seen in the 2 viewports that do not render part of the time).
Code for checking largest object (also prints out maximum size of this object):
...ANSWER
Answered 2018-Mar-28 at 22:36As it turns out the extremely large objects were indeed causing the viewport rendering error. After removing all object's with a maximum size of 100000 [generic units] the viewport rendering errors were gone. I suspect the issue was caused by the objects not being in between the viewport's far and near planes due to the extremely large object sizes.
QUESTION
I found a tutorial about emulating lambda in c, but I can not fully get the declaring way. why callback mentioned twice, and what is the use of curly brackets "scope" and outer parentheses.
tutorial link : https://blog.noctua-software.com/c-lambda.html
This code working on gcc 4.9.2 compiler by the way.
...ANSWER
Answered 2018-Mar-13 at 18:32({ ... })
is extension in GCC, statement in expression. It means you can embed any statement into expression. It's really cool extension.
Here you can read more about it.
QUESTION
I'm using the Wikipedia web service for gaining results. I like to add more data to the retrieved JSON file in PHP. I know you need to decode the JSON file before adding more data but not show how to add the data in the following format;
My PHP Code:
...ANSWER
Answered 2017-Nov-05 at 15:36Instead of this:
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