postgres: simplify db queries

This commit is contained in:
Alexander Zobnin
2017-10-18 15:31:03 +03:00
parent fb797325d0
commit 33cdd17b9b
4 changed files with 9 additions and 13 deletions

View File

@@ -228,13 +228,13 @@ System.register(['angular', 'lodash'], function (_export, _context) {
function buildPostgresHistoryQuery(itemids, table, timeFrom, timeTill, intervalSec, aggFunction) {
var time_expression = 'clock / ' + intervalSec + ' * ' + intervalSec;
var query = '\n SELECT DISTINCT to_char(itemid, \'' + itemid_format + '\') AS metric,\n ' + time_expression + ' AS time,\n ' + aggFunction + '(value) OVER (PARTITION BY clock / ' + intervalSec + ') AS value\n FROM ' + table + '\n WHERE itemid IN (' + itemids + ')\n AND clock > ' + timeFrom + ' AND clock < ' + timeTill + '\n GROUP BY metric, clock, value\n ORDER BY time ASC\n ';
var query = '\n SELECT to_char(itemid, \'' + itemid_format + '\') AS metric, ' + time_expression + ' AS time, ' + aggFunction + '(value) AS value\n FROM ' + table + '\n WHERE itemid IN (' + itemids + ')\n AND clock > ' + timeFrom + ' AND clock < ' + timeTill + '\n GROUP BY 1, 2\n ORDER BY time ASC\n ';
return query;
}
function buildPostgresTrendsQuery(itemids, table, timeFrom, timeTill, intervalSec, aggFunction, valueColumn) {
var time_expression = 'clock / ' + intervalSec + ' * ' + intervalSec;
var query = '\n SELECT DISTINCT to_char(itemid, \'' + itemid_format + '\') AS metric,\n ' + time_expression + ' AS time,\n ' + aggFunction + '(' + valueColumn + ') OVER (PARTITION BY clock / ' + intervalSec + ') AS value\n FROM ' + table + '\n WHERE itemid IN (' + itemids + ')\n AND clock > ' + timeFrom + ' AND clock < ' + timeTill + '\n GROUP BY metric, clock, ' + valueColumn + '\n ORDER BY time ASC\n ';
var query = '\n SELECT to_char(itemid, \'' + itemid_format + '\') AS metric, ' + time_expression + ' AS time, ' + aggFunction + '(' + valueColumn + ') AS value\n FROM ' + table + '\n WHERE itemid IN (' + itemids + ')\n AND clock > ' + timeFrom + ' AND clock < ' + timeTill + '\n GROUP BY 1, 2\n ORDER BY time ASC\n ';
return query;
}

File diff suppressed because one or more lines are too long

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@@ -274,13 +274,13 @@ var itemid_format = 'FM99999999999999999999';
function buildPostgresHistoryQuery(itemids, table, timeFrom, timeTill, intervalSec, aggFunction) {
var time_expression = 'clock / ' + intervalSec + ' * ' + intervalSec;
var query = '\n SELECT DISTINCT to_char(itemid, \'' + itemid_format + '\') AS metric,\n ' + time_expression + ' AS time,\n ' + aggFunction + '(value) OVER (PARTITION BY clock / ' + intervalSec + ') AS value\n FROM ' + table + '\n WHERE itemid IN (' + itemids + ')\n AND clock > ' + timeFrom + ' AND clock < ' + timeTill + '\n GROUP BY metric, clock, value\n ORDER BY time ASC\n ';
var query = '\n SELECT to_char(itemid, \'' + itemid_format + '\') AS metric, ' + time_expression + ' AS time, ' + aggFunction + '(value) AS value\n FROM ' + table + '\n WHERE itemid IN (' + itemids + ')\n AND clock > ' + timeFrom + ' AND clock < ' + timeTill + '\n GROUP BY 1, 2\n ORDER BY time ASC\n ';
return query;
}
function buildPostgresTrendsQuery(itemids, table, timeFrom, timeTill, intervalSec, aggFunction, valueColumn) {
var time_expression = 'clock / ' + intervalSec + ' * ' + intervalSec;
var query = '\n SELECT DISTINCT to_char(itemid, \'' + itemid_format + '\') AS metric,\n ' + time_expression + ' AS time,\n ' + aggFunction + '(' + valueColumn + ') OVER (PARTITION BY clock / ' + intervalSec + ') AS value\n FROM ' + table + '\n WHERE itemid IN (' + itemids + ')\n AND clock > ' + timeFrom + ' AND clock < ' + timeTill + '\n GROUP BY metric, clock, ' + valueColumn + '\n ORDER BY time ASC\n ';
var query = '\n SELECT to_char(itemid, \'' + itemid_format + '\') AS metric, ' + time_expression + ' AS time, ' + aggFunction + '(' + valueColumn + ') AS value\n FROM ' + table + '\n WHERE itemid IN (' + itemids + ')\n AND clock > ' + timeFrom + ' AND clock < ' + timeTill + '\n GROUP BY 1, 2\n ORDER BY time ASC\n ';
return query;
}