Hello Genneva,

this is expected behaviour. BaseX script executed each command separately. This is by design and required by the nature of XQuery (Update), which by design always executes as one transaction - Which can be difficult do deal with if you have a large amount of data and have to e.g. hold it in memory.

Each XQuery runs in one single transaction, so you can simply add your documents via XQuery, e.g.

db:add("DB", "embedded7.xml"),
db:add("DB", "embedded8.xml")

Cheers

Dirk

Hi 

I’m trying to figure out whether batched transaction would work for basex, and I came across the RUN and EXECUTE command specified in http://files.basex.org/releases/8.4/BaseX84.pdf page 58-59.  The document mentioned following in the summary section:

RUN:Evaluates the contents of file as XQuery expression. If the file ends with the suffix .bxs, the file content will be evaluated as command script. This command can be used to run several commands in a single transaction

EXECUTE: Evaluates the specified input as command script. This command can be used to run several commands in a single transaction.

I’ve tried this myself

For example, I’d like to know if I batch 2 inserts, if one fails, would both inserts get rollback. 

I’m using a simple .bxs (attached and also listed below for your convenience) and run the execute using GUI. 

OPEN test

ADD TO embedded7.xml <root>embedded</root>

ADD TO embedded8.xml <root>embedded

CLOSE

The second ADD (embedded8.xml) is  not a valid xml format so I’m expecting it to fail, and rollback both files if any of them have already added. But after executing this script, I’m seeing embedded7.xml have been added. 

Would you be able to confirm if this is the expected behavior ? If so,  is there anyway that I can batch multiple inserts and ensures that these batch of files can be committed at the same time, and rollback  all together if any of the file has an error ?

Thank you very much for your help. 

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Dirk Kirsten, BaseX GmbH, http://basexgmbh.de
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