go to post Vitaliy Serdtsev · Dec 5, 2017 See Sample.Person in "SAMPLES". /// Person's age.<br> /// This is a calculated field whose value is derived from <property>DOB</property>. Property Age As %Integer [ Calculated, SqlComputeCode = { Set {Age}=##class(Sample.Person).CurrentAge({DOB})}, SqlComputed, SqlComputeOnChange = DOB ]; /// This class method calculates a current age given a date of birth <var>date</var>. ClassMethod CurrentAge(date As %Date = "") As %Integer [ CodeMode = expression ] { $Select(date="":"",1:($ZD($H,8)-$ZD(date,8)\10000)) }
go to post Vitaliy Serdtsev · Nov 28, 2017 The default ciphersuite string has changed to include new options and is now: ALL:!aNULL:!eNULL:!EXP:!SSLv2 So the documentation is outdated? The default for a Caché configuration is TLSv1:SSLv3:!ADH:!LOW:!EXP:@STRENGTH which breaks down into the following group of colon-separated statements: <...>
go to post Vitaliy Serdtsev · Nov 17, 2017 All correctly, this is what I had in mind.Quote:The Find Global String page enables you to find a given string in the subscripts1 or in the values2 of selected3 globals. You can select all the globals of the namespace. In this case, the search will be performed across the database. In the search results you will get including the name of global.
go to post Vitaliy Serdtsev · Nov 16, 2017 Here you can download an archive.But note that article will soon be six years.
go to post Vitaliy Serdtsev · Nov 14, 2017 Asynchronous uploading only one file Class upload.fileOne Extends %ZEN.Component.page { Parameter DOMAIN = "DC"; XData Style { <style type="text/css"> </style> } XData Contents [ XMLNamespace = "http://www.intersystems.com/zen" ] { <page xmlns="http://www.intersystems.com/zen" title="Upload file using XMLHttpRequest" labelPosition="left"> <hgroup cellVAlign="bottom"> <fileUpload label="Select the file" id="fileToUpload" onchange="zenPage.fileSelected()"/> <button caption="Upload" onclick="zenPage.uploadFile();"/> </hgroup> <label id="fileType" label="Type: "/> <label id="fileName" label="Name: "/> <label id="fileSize" label="Size: "/> <html> <div id="progressNumber">%</div> <progress id="progressValue" value="0" max="100.0"></progress> </html> </page> } ClientMethod uploadFile() [ Language = javascript ] { var fd = new FormData(); fd.append('fUpload', zen('fileToUpload').findElement('control').files[0]); var xhr = new XMLHttpRequest(); xhr.upload.addEventListener('progress', this.uploadProgress, false); xhr.addEventListener('load', this.uploadComplete, false); xhr.addEventListener('error', this.uploadFailed, false); xhr.addEventListener('abort', this.uploadCanceled, false); xhr.open('POST', 'upload.fileOne.cls'); xhr.send(fd); } ClientMethod uploadProgress(evt) [ Language = javascript ] { if (evt.lengthComputable) { var percentComplete = Math.round(evt.loaded * 100 / evt.total); document.getElementById('progressNumber').innerHTML = percentComplete.toString() + '%'; document.getElementById('progressValue').value = percentComplete; } else { document.getElementById('progressNumber').innerHTML = $$$Text('Cannot compute'); } } ClientMethod uploadComplete(evt) [ Language = javascript ] { zenAlert($$$Text('The upload is complete.')); } ClientMethod uploadFailed(evt) [ Language = javascript ] { zenAlert($$$Text('An error occurred when trying to upload the file.')); } ClientMethod uploadCanceled(evt) [ Language = javascript ] { zenAlert($$$Text('The upload was canceled by the user or the browser dropped the connection.')); } ClientMethod fileSelected() [ Language = javascript ] { var file = zen('fileToUpload').findElement('control').files[0]; if (file) { var fileSize = 0; if (file.size > 1024 * 1024) fileSize = (Math.round(file.size * 100 / (1024 * 1024)) / 100).toString() + $$$Text('MB'); else fileSize = (Math.round(file.size * 100 / 1024) / 100).toString() + $$$Text('KB'); zenSetProp('fileType','value',file.type); zenSetProp('fileName','value',file.name); zenSetProp('fileSize','value',fileSize); } } ClassMethod %OnPreHTTP() As %Boolean [ ServerOnly = 1 ] { #dim %request As %CSP.Request #dim stream As %CSP.BinaryStream=%request.GetMimeData("fUpload") if $IsObject(stream) { #; here you do with the received file useful work /* set ^tmp("filename")=stream.FileName set ^tmp("filesize")=stream.Size */ quit $$$NO } quit $$$YES } } Asynchronous uploading immediately of several files Class upload.fileMany Extends %ZEN.Component.page { Parameter DOMAIN = "DC"; XData Style { <style type="text/css"> .ok { color:green; } #dropZone { width: 360px; height: 125px; border: dashed 2px #ccc; background-color: #fefefe; color: #ccc; text-align: center; padding: 125px 0 0 0; } </style> } XData Contents [ XMLNamespace = "http://www.intersystems.com/zen" ] { <page xmlns="http://www.intersystems.com/zen" title="Upload immediately multiple files using XMLHttpRequest"> <html id="dropZone">Drag files here or click below</html> <hgroup cellVAlign="bottom"> <html id="selectFiles" label="Choose the files"> <input type="file" class="fileUpload" id="fileToUpload" onchange="zenPage.fileSelected(document.getElementById('fileToUpload').files)" multiple="multiple" /> </html> <button caption="Clear" title="Clear the queue" onclick="zenPage.clearList();"/> <spacer width="10"/> <button caption="Upload" title="Upload files to the server" onclick="zenPage.uploadFile();"/> </hgroup> <fieldSet legend="Files waiting to upload"> <html id="holder"/> </fieldSet> </page> } ClientMethod clearList() [ Language = javascript ] { fileQueue=[]; zen('holder').getEnclosingDiv().innerHTML=''; zen('selectFiles').refreshContents(); } ClientMethod fileSelected(files) [ Language = javascript ] { var holder = zen('holder').getEnclosingDiv(); for (var i = 0; i < files.length; i++) { var file = files[i]; var fileSize = 0; if (file.size > 1024 * 1024) fileSize = (Math.round(file.size * 100 / (1024 * 1024)) / 100).toString() + $$$Text('MB'); else fileSize = (Math.round(file.size * 100 / 1024) / 100).toString() + $$$Text('KB'); var divInfo = document.createElement('div'); divInfo.innerHTML=file.name+' ('+file.type+') - '+fileSize; holder.appendChild(divInfo); var divProgN = document.createElement('div'); divProgN.id='progressNumber'+i; divProgN.innerHTML='%'; holder.appendChild(divProgN); var prog = document.createElement('progress'); prog.id='progressValue'+i; prog.max='100.0'; prog.value='0'; holder.appendChild(prog); fileQueue.push({i:i,file:file}); } } ClientMethod uploadFile() [ Language = javascript ] { while (fileQueue.length > 0) { var item=fileQueue.pop(); uploadFile(item.file,item.i); } } ClientMethod onloadHandler() [ Language = javascript ] { if (typeof FileReader == "undefined") zenAlert($$$Text('Sorry, your browser does not support File API, so this demo will not work correctly')); fileQueue = new Array(); uploadFile = function (file, i) { var xhr = new XMLHttpRequest(), upload = xhr.upload, fd = new FormData(); fd.append('fUpload', file); upload.addEventListener('progress', function (evt) { if (evt.lengthComputable) { var percentComplete = Math.round(evt.loaded * 100 / evt.total); document.getElementById('progressNumber'+i).innerHTML = percentComplete.toString() + '%'; document.getElementById('progressValue'+i).value = percentComplete; } else { document.getElementById('progressNumber'+i).innerHTML = $$$Text('Cannot compute'); } }, false); upload.addEventListener('load', function (ev) { var c=document.getElementById('progressNumber'+i); c.className='ok'; c.innerHTML='OK'; }, false); upload.addEventListener('error', function (ev) {zenAlert($$$Text('An error occurred when trying to upload the file.'));}, false); upload.addEventListener('abort', function (ev) {zenAlert($$$Text('The upload was canceled by the user or the browser dropped the connection.'));}, false); xhr.open('POST','upload.fileMany.cls'); xhr.setRequestHeader('Cache-Control', 'no-cache'); xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); xhr.send(fd); } dropZone=zen('dropZone').getEnclosingDiv(); dropZone.addEventListener('dragenter', function(ev){ ev.stopPropagation(); ev.preventDefault(); }, false); dropZone.addEventListener('dragleave', function(ev){ ev.stopPropagation(); ev.preventDefault(); this.style['backgroundColor'] = '#FEFEFE'; this.style['borderColor'] = '#CCC'; this.style['color'] = '#CCC'; }, false); dropZone.addEventListener('dragover', function(ev){ ev.stopPropagation(); ev.preventDefault(); this.style['backgroundColor'] = '#F0FCF0'; this.style['borderColor'] = '#3DD13F'; this.style['color'] = '#3DD13F'; }, false); dropZone.addEventListener('drop', function(ev){ ev.stopPropagation(); ev.preventDefault(); this.style['backgroundColor'] = '#FEFEFE'; this.style['borderColor'] = '#CCC'; this.style['color'] = '#CCC'; zenPage.fileSelected(ev.dataTransfer.files); }, false); } ClassMethod %OnPreHTTP() As %Boolean [ ServerOnly = 1 ] { #dim %request As %CSP.Request #dim stream As %CSP.BinaryStream=%request.GetMimeData("fUpload") if $IsObject(stream) { #; here you do with the received file useful work /* set ^tmp("filename")=stream.FileName set ^tmp("filesize")=stream.Size */ quit $$$NO } quit $$$YES } } Of course you can do the same on CSP.
go to post Vitaliy Serdtsev · Nov 10, 2017 See here: Configuring Caché Database Encryption Startup Settings
go to post Vitaliy Serdtsev · Nov 10, 2017 See aside iFind. I long ago did the tests, using Bible, at searching for of any substring. without an index select Id, Para from BookPara where Para like '%огон%' with index select Id, Para from BookPara where id %FIND search_index(ParaStemmedI,'*огон*',1) The number of found rows Performance (sec.) Global references The result: without an index 287 0.518 151845 with index 287 0.009 1006 The difference is obvious.
go to post Vitaliy Serdtsev · Nov 10, 2017 <html> <body> <script language="cache" runat="server"> if %request.ContentType="multipart/form-data" { s stream=%request.MimeData("oFile1",1) s file=##class(%Stream.FileBinary).%New() s file.Filename="c:\InterSystems\"_##class(%File).GetFilename(stream.FileName) d file.CopyFromAndSave(stream) } </script> <br> <FORM NAME="oForm" ENCTYPE="multipart/form-data" METHOD="post"> <INPUT TYPE="file" NAME="oFile1"/> <INPUT TYPE="submit" VALUE="Upload File"> </FORM> </body> </html> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"/> <meta name="viewport" content="width=device-width, initial-scale=1.0,maximum-scale=1, user-scalable=no"/> <title>Uploading a file from the client to the server without reloading the page</title> <script type="text/javascript" src="jquery.min.js"></script> <script type="text/javascript" src="js/vendor/jquery.ui.widget.js"></script> <script type="text/javascript" src="js/jquery.iframe-transport.js"></script> <script type="text/javascript" src="js/jquery.fileupload.js"></script> <script type="text/javascript"> $(function(){ $('#fileupload').fileupload(); }); </script> <script language="cache" runat="server"> if (%request.IsDefinedMimeData("files[]",1) ) { s stream=%request.GetMimeData("files[]") s file=##class(%Stream.FileBinary).%New() s file.Filename="c:\InterSystems\"_stream.FileName d file.CopyFromAndSave(stream) } </script> </head> <body> #($H)#<input id="fileupload" type="file" name="files[]" data-url="#(%request.PageName)#" multiple data-sequential-uploads="false"> </body> </html> Class dc.fileuploadajax Extends %ZEN.Component.page { XData Contents [ XMLNamespace = "http://www.intersystems.com/zen" ] { <page xmlns="http://www.intersystems.com/zen" title="Uploading a file from the client to the server without reloading the page"> <group labelPosition="left"> <text label="Current date/time on the server:" value="#(%this.%Eval($ZDT($H)))#"/> </group> <form enctype="multipart/form-data" target="upload_target" labelPosition="left"> <text label="Name:" name="proc"/> <fileUpload name="file" label="Select a file:"/> <submit caption="Upload"/> <iframe name="upload_target" hidden="true"/> </form> <fieldSet legend="Information about a previously uploaded file" labelPosition="left"> <text id="proc" label="Name"/> <text id="fileSize" label="File size"/> <text id="fileName" label="File name"/> <button caption="Refresh" onclick="zenPage.GetFileInfo();"/> </fieldSet> </page> } ClassMethod %OnSubmit(pSubmit As %ZEN.Submit) As %Status { #dim %session As %CSP.Session #dim stream As %CSP.BinaryStream=pSubmit.%GetStream("file") if $IsObject(stream) { set %session.Data("fileSize")=stream.Size set %session.Data("fileName")=stream.FileName } set %session.Data("proc")=pSubmit.%GetValue("proc") quit $$$OK } ClassMethod GetFileInfo() [ ZenMethod ] { &js< zenSetProp('proc','value',#(..QuoteJS(%session.Data("proc")))#); zenSetProp('fileSize','value',#(..QuoteJS(%session.Data("fileSize")))#); zenSetProp('fileName','value',#(..QuoteJS(%session.Data("fileName")))#); > } } If you want, I can give ZEN-examples of asynchronous uploading of immediately several files using the File API, but this will only work in new browsers.
go to post Vitaliy Serdtsev · Nov 9, 2017 The following corrected code works for me: ClassMethod WriteNodes(myfile As %String) { set status=##class(%XML.TextReader).ParseFile(myfile,.textreader) if $$$ISERR(status) {do $System.Status.DisplayError(status) quit} set ptemp=##class(%Stream.FileCharacter).%New() set ptemp.Filename="C:\IT\50_TestIn\warddata1.txt" //check status //iterate through document, node by node while textreader.Read() { Do ptemp.Write("Node " _ textreader.seq _ " is a(n) ") Do ptemp.Write(textreader.NodeType _ " ") If textreader.Name'="" { Do ptemp.Write( "named: "_ textreader.Name) } Else { Do ptemp.Write( "and has no name") } Do ptemp.Write( " path: " _ textreader.Path) If textreader.Value'="" { Do ptemp.Write( " value: " _ textreader.Value) } Do ptemp.WriteLine() } Do ptemp.%Save() }
go to post Vitaliy Serdtsev · Nov 9, 2017 The method Write expects one parameter but you pass a few, and therefore an error occurs.
go to post Vitaliy Serdtsev · Nov 9, 2017 set ptemp=##class(%GlobalCharacterStream).%New() set ptemp=##class(%Stream.FileCharacter).%New() set ptemp.Filename="C:\IT\50_TestIn\warddata1.txt" set adapter = ##class(%File).%New("C:\IT\50_TestIn\warddata1.txt") set status = adapter.Write(ptemp) set status = ptemp.%Save()
go to post Vitaliy Serdtsev · Nov 8, 2017 Yes, е.g. for Windows: for private Apache: <cache-install-dir>\httpd\bin\httpd -k stop -n <instname>httpd <cache-install-dir>\httpd\bin\httpd.exe -k uninstall -n <instname>httpd for external Apache: C:\Program Files\Apache\bin\httpd.exe -k install -n <instname>httpd restart Caché
go to post Vitaliy Serdtsev · Nov 8, 2017 Yes. This is solution on the original question "How to find duplicates?"
go to post Vitaliy Serdtsev · Nov 8, 2017 Class Test.Duplicates Extends %Persistent { Index iText On (Text(KEYS), Text(ELEMENTS)) [ Type = bitmap ]; Property Text As %String(MAXLEN = 2000); ClassMethod TextBuildValueArray( v, ByRef arr) As %Status { #define sizeOfChunk 400 i v="" { s arr("null")=v }else{ s hasDupl=$$$YES f i=1:1:$l(v)\$$$sizeOfChunk+($l(v)#$$$sizeOfChunk>0) { s arr(i)=$e(v,1,$$$sizeOfChunk),$e(v,1,$$$sizeOfChunk)="" s:hasDupl&&'$d(^Test.DuplicatesI("iText"," "_i,##class(%Collation).SqlUpper(arr(i)))) hasDupl=$$$NO } s:hasDupl arr("hasDupl")="" } q $$$OK } ClassMethod Test() { ;d ##class(Test.Duplicates).Test() d ..%KillExtent() s text=##class(%PopulateUtils).StringMin(2000,2000) &sql(insert into Test.Duplicates(Text) select 'ab' union all select 'abc' union all select 'abc' union all select 'abe' union all select 'abe' union all select 'abe' union all select null union all select null union all select :text union all select :text) d $SYSTEM.SQL.PurgeForTable($classname()), $system.SQL.TuneTable($classname(),$$$YES), $system.OBJ.Compile($classname(),"cu-d") s sql(1)="select %ID,$extract(Text,1,10) Text10 from Test.Duplicates", sql(2)="select * from Test.Duplicates where FOR SOME %ELEMENT(Text) (%KEY='null')", sql(3)="select %ID,$extract(Text,1,10) HasDupl_Text10_All from Test.Duplicates where FOR SOME %ELEMENT(Text) (%KEY='hasdupl')", sql(4)="select distinct $extract(%exact(Text),1,10) HasDupl_Text10 from Test.Duplicates where FOR SOME %ELEMENT(Text) (%KEY='hasdupl')" f i=1:1:$o(sql(""),-1) w !,sql(i),!! d ##class(%SQL.Statement).%ExecDirect(,sql(i)).%Display() w !,"---------",! } }Result: USER>d ##class(Test.Duplicates).Test() select %ID,$extract(Text,1,10) Text10 from Test.Duplicates ID Text10 1 ab 2 abc 3 abc 4 abe 5 abe 6 abe 7 8 9 QfgrABXjbT 10 QfgrABXjbT 10 Rows(s) Affected --------- select * from Test.Duplicates where FOR SOME %ELEMENT(Text) (%KEY='null') ID Text 7 8 2 Rows(s) Affected --------- select %ID,$extract(Text,1,10) HasDupl_Text10_All from Test.Duplicates where FOR SOME %ELEMENT(Text) (%KEY='hasdupl') ID HasDupl_Text10_All 3 abc 5 abe 6 abe 10 QfgrABXjbT 4 Rows(s) Affected --------- select distinct $extract(%exact(Text),1,10) HasDupl_Text10 from Test.Duplicates where FOR SOME %ELEMENT(Text) (%KEY='hasdupl') HasDupl_Text10 abc abe QfgrABXjbT 3 Rows(s) Affected ---------Notes: not used hashing, so there's no risk of collisions support for strings of unlimited length up to 3641144 ($zu(96,39)) customizable chunk size minimum code should work for older versions of Caché high performance possible else more optimize code ;) See Indexing of non-atomic attributes
go to post Vitaliy Serdtsev · Oct 19, 2017 Slide #7. You touched on a very sore subject. As I understand you!
go to post Vitaliy Serdtsev · Oct 18, 2017 SQLCODE and %msg are closely related. Instead of $$$SQLError, you can use $$$SQLCode.