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<meta name="viewport" content="width=device-width" /><meta http-equiv="Content-Type" content="text/vnd.ui.insecure+html;charset=utf-8" /></head><body lang="EN-GB" link="blue" vlink="purple" style="overflow-wrap:break-word; word-break: break-word;"><div class="mail_android_message" style="line-height: 1; padding: 0.5em">Have you thought of using OpenROAD to do this? <br>
It might enable you to do some of the processing in SQL and some in the 4GL? <br>
<br>
<br>
Or maybe report writer .... or maybe not ...<br>
Allan <br>
-- <br>
Sent from my Android phone with <a href="http://mail.com">mail.com</a> Mail. Please excuse my brevity.</div><div class="mail_android_quote" style="line-height: 1; padding: 0.3em">On 31/08/2018, 12:29 Martin Bowes <martin.bowes@ndph.ox.ac.uk> wrote:<blockquote class="gmail_quote" style="margin: 0.8ex 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class="WordSection1">
<p class="MsoNormal"><span style="color:#1F497D">I would like to keep it in the database, but if push comes to shove I’m more than willing to look at some utility outside the database.<p></p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><p> </p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Marty<p></p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><p> </p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Paul White [mailto:paul.white@shift7solutions.com.au]
<br />
<b>Sent:</b> 31 August 2018 12:20<br />
<b>To:</b> Martin Bowes; info-ingres@lists.planetingres.org<br />
<b>Subject:</b> RE: [Info-ingres] More similar to<p></p></span></p>
</div>
</div>
<p class="MsoNormal"></p><p> </p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">So you want output like this?<p></p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><p> </p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">res_note for snapshot_id = 14 is dodgy.<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">pos=55 char=0x03<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">pos=103 char=0x04<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">pos=11999 char=0x00<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><p> </p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">res_note for snapshot_id = 28 is dodgy.<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><p> </p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><p> </p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">Text processing in the database. yuk.<p></p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">Do you have the option of extracting the matching records to a file then do the grunt work with text processing tools?<p></p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><p> </p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">Paul<p></p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><p> </p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><p> </p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> info-ingres-bounces@lists.planetingres.org [mailto:info-ingres-bounces@lists.planetingres.org]
<b>On Behalf Of </b>Martin Bowes<br />
<b>Sent:</b> Friday, 31 August 2018 8:41 PM<br />
<b>To:</b> info-ingres@lists.planetingres.org<br />
<b>Subject:</b> [Info-ingres] More similar to<p></p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-AU"><p> </p></span></p>
<p class="MsoNormal">Hi All,</p><p></p>
<p class="MsoNormal"></p><p> </p>
<p class="MsoNormal">I just knew this non printing character stuff was going to come back and bite me…</p><p></p>
<p class="MsoNormal"></p><p> </p>
<p class="MsoNormal">I can identify the rows with non printing characters excluding \t, \r and \n.</p><p></p>
<p class="MsoNormal"></p><p> </p>
<p class="MsoNormal">Now I need to find which characters are being objected to on each row. I may need to know their position as well.</p><p></p>
<p class="MsoNormal"></p><p> </p>
<p class="MsoNormal">The data in question is a long varchar. But (fortunately) the longest item is under 12000 characters, so we are under the 32000 char varchar conversion limit.</p><p></p>
<p class="MsoNormal"></p><p> </p>
<p class="MsoNormal">The easiest way I can think of doing this is to do it in a database procedure…</p><p></p>
<p class="MsoNormal"></p><p> </p>
<p class="MsoNormal"><span style="font-family:"Courier New"">create procedure identify_bad_char<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">as declare<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> snapshot_id integer4 not null not default;<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> res_note long varchar not null not default;<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> msgid integer4 not null not default;<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> msg varchar(256) not null not default;<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">begin<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> msgid = 0;<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> FOR SELECT snapshot_id, res_note INTO :snapshot_id, :res_note<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> FROM basket_snapshot<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> WHERE res_note SIMILAR TO '%[^' + x'09' + x'0a' + x'0d' + '[:print:]]%'<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> DO<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> msgid = msgid + 1;<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> msg = 'res_note for snapshot_id = ' + varchar(:snapshot_id) + ' is dodgy.';<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> message :msgid :msg;<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><p> </p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> /* Insert manic while loop here and process the line character by character */<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> ENDFOR;<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">end;<p></p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><p> </p></span></p>
<p class="MsoNormal">Before I start coding up the manic while loop … does anyone have a suggestion as to how I can do this more efficiently.</p><p></p>
<p class="MsoNormal"></p><p> </p>
<p class="MsoNormal">The data was probably added to a web form via a cut and paste from a word document, so we’ve picked up things like smart quotes. Hence we may ultimately be interested in replacing multi character sequences with simple ansi equivalents.
I have a suspicion a clean() function is galloping in my direction.</p><p></p>
<p class="MsoNormal"></p><p> </p>
<p class="MsoNormal">Martin Bowes<span style="font-family:"Courier New""><p></p></span></p>
</div>
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