I want to modify "pgConn::ExecuteSet"

Hi, all

Now, in pgConn class, the definition is:
pgSet *pgConn::ExecuteSet(const wxString& sql)

I want to modify it to new definition:
pgSet *pgConn::ExecuteSet(const wxString& sql, bool quiet = false)

When quiet is true, don't pop error message.

Because in import function, it allows user-defined expression.
When generate preview, send the expression to DB to validate it.
If not quiet, a lot of error message will be poped.

-----------------------------------------------
Quan Zongliang
quanzongliang@gmail.com
CIT Japan:  http://www.cit.co.jp
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