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TIMB / DBI_AdvancedTalk_2004 / sld068.htm 

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 <TITLE>What’s new with tracing?</TITLE> 
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<P>Slide 68 of 102</P>
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<H2>What’s new with tracing?</H2>
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<LI><H2>Trace level now split into trace level (0-15) and trace topics
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<LI>DBI and drivers can define named trace topics
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<LI><H2>New $h-&#062parse_trace_flags("foo|SQL|7")method
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<LI>map trace topic names into the corresponding trace flag bits.
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<LI><H2>Added automatic calling of parse_trace_flags()
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<LI>if setting the trace level to a non-numeric value:
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$h-&#062{TraceLevel} = "foo|SQL|7";
<BR><BR>DBI-&#062connect("dbi:Driver(TraceLevel=SQL|bar):...", ...);
<BR>DBI_TRACE = "foo|SQL|7|baz" # environment variable
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<LI><H2>Currently no trace topics have been defined.</H2>
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