<div dir="ltr"><div><div><div><div>Hi Chuck!<br></div>Another approach, which may be useful at other times, is to simply exclude these rows from label rendering.<br></div>There may be times when you want to shut off certain labels without actually changing the table.<br></div>This is done in the Rendering box of the labeler.<br></div><div>Unbox Show all labels... and then write an appropriate expression below.<br></div><div>In a PosGIS table, this expression was valid: <br>"fieldname" IS NOT NULL<br><br></div><div>HtH<br></div><div>Mats.E<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">2015-03-14 22:57 GMT+01:00 Chuck Young <span dir="ltr"><<a href="mailto:wylie1066@gmail.com" target="_blank">wylie1066@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div><div><div>I am trying to eliminate the text "NULL" from a table. I have imported a set of Tiger road data and in some of the columns that I need to display the data itr has "NULL" in the field. If it is Null I would really like that NOT to show up in the labeling on the map.<br><br></div>I have tried some standard SQL update queries but they didn't work. <br><br>I tried the following from the QSpatialite form that appears from within QGIS. <br>Example:<br>update "mc-roadsegs" Set "RFROMHN" = "" Where "RFROMHN" = "NULL";<br><br></div>I also tried to construct a query from within the query builf=der at the top of the Attribute table in Edit mode.<br><br></div>I really need to remove these unwanted valued. It has been a while since I used SQL on a routine basis so I am a bit rusty. <br><br></div>Any help will be much appreciated!<br><br></div>Thanks<span class="HOEnZb"><font color="#888888"><br><br></font></span></div><span class="HOEnZb"><font color="#888888">Chuck<br></font></span></div>
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