Logging JDBC Activity
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Revision as of 08:51, 23 May 2007 by Frank Schoenheit (Talk | contribs)
Base's JDBC bridge - the database driver to access database with an JDBC compliant driver - allows to log its activity. For this, the driver uses a logger named "org.openoffice.sdbc.jdbcBridge
" (see Logging for more information about loggers).
Contents
Logged Events
Below are lists of which events are logged at which log level. Note that if you enable logging for a certain level, then all events of this level and above are logged. Below, the levels are in decreasing order.
LogLevel.SEVERE
- a driver class which has not been set up correctly
- a failure in obtaining the JDBC connection which is to be bridged
- most (if not all) exceptions thrown by the JDBC driver
LogLevel.WARNING
No events are logged at this level.
LogLevel.INFO
- connecting to a database, and shutting down of connections
- execution and disposal of statements
- executeQuery and executeUpdate calls
- setting the escape processing of a statement
LogLevel.CONFIG
No events are logged at this level.
LogLevel.FINE
- statement related connection activity, such as creation and preparation of statements and calls
- successful retrieving of a system JDBC connection
LogLevel.FINER
- setting certain statement attributes such as fetch direction and fetch size
- setting parameters of a prepared statement
- translating SQL statements to native SQL
- the update count of statements
LogLevel.FINEST
- meta data activitiy, such as asking for database properties and settings