Export data from H2 database into CSV

Try CSVWRITE This is perhaps all that you need: call CSVWRITE ( ‘C:/MyFolder/MyCSV.txt’, ‘SELECT * FROM MYTABLE’ ) You need to just run the call (mentioned above) in the browser based client of H2 that you are most likely using. Further reading: http://www.h2database.com/html/functions.html#csvwrite.

Read multi-index on the columns from csv file

I think the problem is that you have duplicated columns: two ( Female, R). Not sure whether it’s a bug or the duplicated columns are unacceptable. Here’s a workaround for you: First read the csv with tupleize_cols=True In [61]: df = pd.read_csv(‘test.csv’, header=[0, 1], skipinitialspace=True, tupleize_cols=True) In [62]: df Out[62]: (Male, R) (Male, R) (Male, … Read more

Add csv file to HTTP POST

This can be done using Select the POST method and type the url In the Body menu header, click on form-data check-box In the key-value form that comes, 3.1 add the key as fisier 3.2 Choose the type as File from the dropdown near the key 3.3 A file chooser button opens, click it, borwse … Read more

Save content of Spark DataFrame as a single CSV file [duplicate]

Just solved this myself using pyspark with dbutils to get the .csv and rename to the wanted filename. save_location= “s3a://landing-bucket-test/export/”+year csv_location = save_location+”temp.folder” file_location = save_location+’export.csv’ df.repartition(1).write.csv(path=csv_location, mode=”append”, header=”true”) file = dbutils.fs.ls(csv_location)[-1].path dbutils.fs.cp(file, file_location) dbutils.fs.rm(csv_location, recurse=True) This answer can be improved by not using [-1], but the .csv seems to always be last in the … Read more

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