I was talking to a some cockroachDB developers at an event lately, and discovered that many of them were, like me, using ElasticSearch for full text and complex querying in the cases where SQL was […]
Here’s how to set up a service account to access your firebase data base in admin mode. It’s quite disjointed in the docs, so here it is from start to finish. The console Just as […]
Like most Google Services, there are various quotas that apply to scriptDb. One of these is the maximum object size. Here’s how to split up large arrays to help get round that. In this case, I’m not […]
The JavaScript client is very similar to A VBA API for scriptDB, so reading that will give you a more detailed flavor of what can be done. The implementation is very different though, and there are […]
The tests that are referred to in scriptDB API for JavaScript are implemented in https://storage.googleapis.com/toasty/t/gas/scriptdbapi.html. Code is below
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<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>scriptDB data input - ramblings.mcpher.com</title> <link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/toasty/cdn/css/d3flights.css"> <script type="text/javascript" src="https://www.google.com/jsapi"></script> <script type="text/javascript" src="https://apis.google.com/js/client.js"></script> <script type="text/javascript" src="js/scriptdbapi.js"></script> <script type="text/javascript" src="js/firsttime.js"></script> <script type="text/javascript" src="https://storage.googleapis.com/toasty/cdn/js/ccookie.js"></script> <script type="text/javascript"> /* v1.0 */ // do various test excercises on cScrptDbCom class (function () { google.load("jquery", "1"); google.setOnLoadCallback(function() { // these create cookies with credentials for scriptdbAPI, // They only need to be run once for a pc, so they should be in some different script firstTimeReadonly(); firstTimeTest(); // copy a couple of classes from the primer database to the test one testCopy() .done (function() { // do a query------ var dbCustomer = getScriptDb("VBAParseCustomers","dbTest"); dbCustomer.getObjectsByQuery({country:"United States"}) .done (function (data,cob) { renderScriptDb(data.results,'#countryquery'); }) // look up date in another table based on data in another var dbData = getScriptDb("VBAParseData","dbTest"); // restrict to paricular customers dbCustomer.getObjectsByQuery({country:"United States"}) .done (function (data,cob) { $('#matchquery').html(''); for ( var i = 0 ; i < data.results.length;i++) { printTransaction (dbData,data.results[i]); } }) }); function printTransaction (dbData,result) { dbData.getObjectsByQuery({customerid:result.customerid}) .done (function (transaction,cob) { if (transaction.results.length) { $('#matchquery').append(JSON.stringify( { country:result.country, name:result.name, transaction:transaction.results }) + '<br>'); } }); } }); })(); function testCopy() { // do the copies simulatneously var dd = dbCopy ("primer", "dbTest", "VBAParseData"); var dc = dbCopy ("primer", "dbTest", "VBAParseCustomers"); // report when done showCount (dd,'#countcopydata'); showCount (dc,'#countcopycustomers'); // we can return a promise for them all being done return $.when(dd,dc); // show counts function showCount (promise, elemID ) { promise .done (function(pData,cob) { cob.getCount() .done (function (data) { renderScriptDb(data.count,elemID); }) .fail(function (error) { renderScriptDb(JSON.stringify(error),elemID); }); }) .fail(function(error) { alert (JSON.stringify(error)); }); } function dbCopy( source, target , cls) { var dbSource = getScriptDb(cls,source); var dbTarget = getScriptDb(cls,target); var d= $.Deferred(); //delete everything in source db of this class if (!(dbTarget && dbSource)) { d.reject ("scriptdbs not opened"); } else { dbTarget.deleteObjects() .done( function() { // get the whole thing dbSource.getAllMatchingQueries() .done (function (data){ // copy to target dbTarget.createObjects(data); // clear anything in batch not yet done. dbTarget.finalFlush() .done(function(data,cob){ d.resolve(data,cob); }) .fail(function(error,cob){ d.reject(error,cob); }); }) .fail ( function (error,cob){ // failed to do a query alert (JSON.stringify(error)); }); }) .fail( function (error,cob){ // didnt manage to delete it alert (JSON.stringify(error)); }); } return d.promise(); } } /* display contents of some object at given element * @param {object} control some object * @param {string} id the id of the element * @return {null} */ function renderScriptDb(control,id) { $(id).text(JSON.stringify(control)); } </script> </head> <body> <div> <h2>Test scriptdb query access</h2> </div> <div><h2>after copy<br></h2> <div><b>Count on customers</b><div id="countcopycustomers"></div></div> <div><b>Count on data</b><div id="countcopydata"></div></div> <div><b>object query</b><div id="countryquery"></div></div> <div><b>match query</b><div id="matchquery"></div></div> </div> </div> </body> </html> |
These are the results you should see, once the copy has completed
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Test scriptdb query access after copy Count on customers 100 Count on data 308 object query [{"region":"Castilla y León","zip":"B9L 8T4","city":"Segovia","country":"United States","customerid":97,"email":"nascetur@orciUt.net","address":"P.O. Box 271, 4700 Tellus St.","objectId":"S333422122829","name":"Nash","company":"Nascetur Ridiculus Institute","coordinates":"53.60934, 6.94959"},{"region":"GO","zip":"D51 4LF","city":"Luziânia","country":"United States","customerid":85,"email":"sit.amet@congueturpis.com","address":"2195 Scelerisque Road","objectId":"S333422122822","name":"Hammond","company":"Consectetuer Rhoncus Nullam Industries","coordinates":"-49.77372, 82.53103"},{"region":"Principado de Asturias","zip":"11713","city":"Oviedo","country":"United States","customerid":37,"email":"quis@anteipsum.org","address":"Ap #770-5598 Faucibus Rd.","objectId":"S333421005208","name":"Lyons","company":"Sed Dolor Fusce Foundation","coordinates":"-36.59556, -133.78963"}] match query {"country":"United States","name":"Hammond","transaction":[{"customerid":85,"objectId":"S333421434339","value":2575,"quantity":5,"date":{"__type":"Date","iso":"2013-07-03T00:00:00.000Z"},"invoiceid":161}]} {"country":"United States","name":"Nash","transaction":[{"customerid":97,"objectId":"S333422178785","value":4800,"quantity":10,"date":{"__type":"Date","iso":"2013-06-02T00:00:00.000Z"},"invoiceid":282},{"customerid":97,"objectId":"S333422758773","value":2800,"quantity":5,"date":{"__type":"Date","iso":"2013-06-30T00:00:00.000Z"},"invoiceid":391}]} |
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Here is the javascript implementation for the scriptDB API. It needs jQuery.
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* methodType = "GET"; */ var dataType = "json"; if(!postData) { u += "&callback=?"; dataType = "jsonp"; } var d = $.Deferred(); var headers = oa2 ? { Authentication: 'Bearer ' + oa2.getAccessToken() } : {}; // application headers /* headers["X-scriptDb-Application-Id"] = pPackage.clientKey; headers["X-scriptDb-REST-API-Key"] = pPackage.restAPIKey; */ $.ajax({ type: methodType, dataType: dataType, url: u, success: function (data) { d.resolve(data,defers); }, error:function(res, status, err) { d.reject("error " + err + " for " + url,defers); }, headers: headers, data : postData }); return d.promise(); }; } |
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As per this blog post, Google Apps Script does not support CORS (cross origin resource sharing) to allow access from cross domain client apps. The API uses JSONP for GET requests to get over this, but […]
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I use scriptDB a lot , both with Google Apps Script and from other sources, including VBA, and in this blog post, I compare parse.com performance with script DB. One of the things that Parse.com has going […]
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The first problem we hit is the 1000 object limit on parse queries. Here’s how to get round it using jQuery promises.
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<!DOCTYPE HTML> <html> <head> <title></title> <link rel="stylesheet" type="text/css" href="css/colortable.css"> <script src="http://www.parsecdn.com/js/parse-1.2.2.min.js"></script> <script src="js/colortable.js"></script> <script type="text/javascript" src="http://www.google.com/jsapi"></script> <script type="text/javascript"> google.load('visualization', '1'); google.load("jquery", '1'); </script> <script type="text/javascript"> google.setOnLoadCallback(function () { //populateParse(); var scheme = ""; var parseKeys = getParseKeys(); Parse.initialize(parseKeys.appId, parseKeys.jsKey); var ColorTable = Parse.Object.extend("ColorTable"); schemePromise(ColorTable, scheme).done(function (all) { console.log("scheme " + scheme + " returned " + all.length); }) .fail(function (error) { console.log("error getting scheme " + scheme + JSON.stringify(error)); }); }); function findChunk(model, scheme, allData) { // we have to find in chunks since there is a limit on query size // will return a promise var limit = 1000; var skip = allData.length; var findPromise = $.Deferred(); var query = new Parse.Query(model); if (scheme) query.equalTo("scheme", scheme); query .limit(limit) .skip(skip) .find() .then(function (results) { findPromise.resolve(allData.concat(results), !results.length); }, function (results) { findPromise.reject(error); }); return findPromise.promise(); } function schemePromise(model, scheme, allResults, allPromise) { // find a scheme at a time var promise = allPromise || $.Deferred(); findChunk(model, scheme, allResults || []) .done(function (results, allOver) { if (allOver) { // we are done promise.resolve(results); } else { // may be more schemePromise(model, scheme, results, promise); } }) .fail(function (error) { promise.reject(error); }); return promise.promise(); } </script> </head> <body></body> </html> |
How it works Parse allows only 1000 results max per query, but […]
Writing to parse.com was fairly complex, with all the asynchronicity and limiting. Writing the workbook to scriptDB should be much easier. We’ll use exactly the same approach as for Updating parse.com , namely get the data, get the existing […]
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This is a new section to collate various snippets related to GraphQL both from and back ends. For the purposes of these articles I’ll be concentrating on the integration of this collection of platforms with […]
First up we’ll query the colortable created in Updating parse.com, using the parse REST API. We can’t use the javaScript API in dome way from GAS, because it’s not caja compliant – if it were, we […]
NOTE: ScriptDB is now deprecated. Please take a look at Database abstraction with google apps script for alternatives. Sometimes you need to create a unique identification for each object. ScriptDB automatically assigns a unique objectId for each object, so […]
Here’s the arguments to the cScriptDbCom class of A VBA API for scriptDB Here’s the VBA client code for A VBA API for scriptDB And the code for many of the examples mentioned for this topic For […]
If you’ve followed Creating your own scriptDB environment we are ready to start accessing it from VBA. Registering authentication There are 2 things you need to do, both of which are one off things. You may have […]
Here’s what you need. This is written from the perspective of A VBA API for scriptDB, but most of it also applies to scriptDB API for JavaScript Work your way through the material on A VBA API for […]
The VBA API generates REST API requests from your VBA function calls, and needs a Google Apps Script handler to service those requests by communicating with the required scriptDB instance. You can have multiple handlers, […]
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There are a number of examples on this site of one library being used to provide data to another script. You may want to do this for a number of reasons. The limit for a […]
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If you followed Do something useful with GAS in 5 minutes, you’ll already know how to use a spreadsheet as a database. You may want to move on to using a real database as a back […]
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Following on from Query parse.com from GAS, and Query scriptDB from GAS here’s the common code they each need to construct and compile the queries and results. colorschemer created by GitJsonApi https://github.com/brucemcpherson/colorschemer 0 forks. 3 stars. 0 open […]
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