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HyriseSQLParser
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improved sql frontend

This commit is contained in:
Pedro 2014-11-12 00:11:19 +01:00
parent 8d7d7b65ff
commit c8e84d8f6a
1 changed files with 24 additions and 7 deletions
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31
frontend-hyrise/index.html
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@ -62,7 +62,10 @@
</div>
<div class="col-lg-6">
<!-- View: Result Table -->
<h3>Results (first 100 rows)</h3>
<h3>Results (first 100 rows)</h3>
<div id="msgContainer" class="alert alert-success" role="alert">
<div id="resultInfo">Ready</div>
</div>
<table id="resultTable" class="table table-bordered table-striped table-hover"></table>
</div>
</div>
@ -118,19 +121,31 @@ $(function() {
};
$('#submitBtn').click(function() {
$('#resultTable').html('');
$('#resultInfo').html('waiting for result...');
$('#msgContainer').attr('class', 'alert alert-warning');
var host = $('#hostInput').val();
var port = $('#portInput').val();
var query = $('#queryInput').val();
var hyrise = new HyriseSqlConnector(host, port);
hyrise.executeQuery(query, function(result) {
// On Success
$('#msgContainer').attr('class', 'alert alert-success');
$('#resultInfo').html('Result contains ' + result.real_size + ' rows');
console.log("Query result: ", result);
updateResultTable(result);
updatePerformanceData(result);
}, function(xhr, status, error) {
console.log(arguments);
var msg = xhr.responseJSON.error[0];
// On Error
$('#resultTable').html('<td>Error when executing query (' + status + ', ' + msg + ')</td>');
console.log(arguments);
var msg = 'Error when fetching result. Possibly no connection to Hyrise.';
if (xhr.responseJSON) msg = xhr.responseJSON.error[0];
$('#resultInfo').html(msg);
$('#msgContainer').attr('class', 'alert alert-danger');
$('#performanceDataTable tbody').html('');
});
});
@ -143,10 +158,12 @@ $(function() {
return true;
});
addSampleQuery('IMPORT & SELECT', 'IMPORT FROM TBL FILE \'test/students.tbl\' INTO students;\nSELECT name, city, grade FROM students WHERE grade <= 2.0;')
addSampleQuery('SELECT 2', 'SELECT name, city, grade FROM (SELECT * FROM students WHERE city = \'Potsdam\') t1 WHERE grade <= 1.5 OR grade >= 3.5;');
addSampleQuery('COMMENT & LIKE', '-- test\nSELECT * FROM students WHERE city LIKE \'B.*\'\n-- comment');
addSampleQuery('CREATE & SELECT', 'CREATE TABLE students FROM TBL FILE \'test/students.tbl\';\nSELECT name, city, grade FROM students WHERE grade <= 2.0;')
addSampleQuery('SELECT', 'SELECT name, city, grade FROM (SELECT * FROM students WHERE city = \'Potsdam\') t1 WHERE grade <= 1.5 OR grade >= 3.5;');
addSampleQuery('GROUP', 'SELECT AVG(grade) FROM students GROUP BY city');
addSampleQuery('JOIN', 'SELECT * FROM students t1 JOIN students t2 ON t1.student_number = t2.student_number');
addSampleQuery('GROUP ERROR', 'SELECT AVG(grade) FROM (SELECT city, AVG(grade) FROM students GROUP BY city) t1');
});
</script>
</body>