Non superusers can set log_statement to true but can't set it back to false even if log_statement was false at the begining of a connection.
I think lambda users should be able to revert log_statement to false when false is the default setting. -- %!PS 297.6 420.9 translate 90 rotate 0 setgray gsave 0 1 1{pop 0 180 moveto 100 180 170 100 170 -10 curveto 180 -9 180 -9 190 -10 curveto 190 100 100 180 0 180 curveto fill 180 rotate}for grestore/Bookman-LightItalic findfont 240 scalefont setfont -151.536392 -63.7998886 moveto (bp)show showpage ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html