IBM DB2

When the form of setLogWriter with the traceFileName parameter is used,
only one log file is written.
traceFileName can include a directory path.
logWriter
Specifies a character output stream to which all global log records are
written.
This value overrides the logWriter property on a DataSource or
DriverManager connection.
traceLevel
Specifies what to trace.
You can specify one or more of the following traces with the traceLevel
parameter:
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_NONE (X’00’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_CONNECTION_CALLS (X’01’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_STATEMENT_CALLS (X’02’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_RESULT_SET_CALLS (X’04’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_DRIVER_CONFIGURATION
(X’10’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_CONNECTS (X’20’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_DRDA_FLOWS (X’40’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_RESULT_SET_META_DATA
(X’80’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_PARAMETER_META_DATA
(X’100’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_DIAGNOSTICS (X’200’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_SQLJ (X’400’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_XA_CALLS ( IBM Data
Server Driver for JDBC and SQLJ type 2 connectivity for DB2
Database for Linux, UNIX, and Windows only) (X’800’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_META_CALLS (X’2000’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_DATASOURCE_CALLS (X’4000’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_LARGE_OBJECT_CALLS
(X’8000’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_T2ZOS (X’10000’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_SYSTEM_MONITOR (X’20000’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_TRACEPOINTS () (X’40000’)
v com.ibm.db2.jcc.DB2BaseDataSource.TRACE_ALL (X’FFFFFFFF’)
To specify more than one trace, use one of these techniques:
v Use bitwise OR (|) operators with two or more trace values. For
example, to trace DRDA flows and connection calls, specify this value
for traceLevel:
TRACE_DRDA_FLOWS|TRACE_CONNECTION_CALLS
v Use a bitwise complement (tilde (~)) operator with a trace value to
specify all except a certain trace. For example, to trace everything except
DRDA flows, specify this value for traceLevel:
~TRACE_DRDA_FLOWS
fileAppend
Specifies whether to append to or overwrite the file that is specified by the
traceFile parameter. true means that the existing file is not overwritten.
unsetLogWriter
Format:
Chapter 7. JDBC and SQLJ reference information 361
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