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dynamic batch-writing with MySql [message #541093] Fri, 18 June 2010 06:22 Go to previous message
moritz du is currently offline moritz du
Messages: 98
Registered: February 2010
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How to get dynamic batch writing enabled with a mysql database? i read the doc and set Parameters in persistence.xml:

<property name="eclipselink.jdbc.batch-writing" value="JDBC" />

i even switched from autoincrement-ID to a ID-Table (i read somewhere that batch writing only works with table or sequence id-generation)

in my code i have 2 persists (in one transaction) in one transaction and eclipselink always generates always 4 insert-statements (2 Tables 1:1 relation).
So how to get it work? What settings in persistence.xml are needed? how to bundle inserts in code? and are there restrictions to database design to get batch writing enabled?

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