feat: support timezone

Author: vicanso

lib/reader.js

@@ -7,7 +7,7 @@ const internal = require('./internal');
 const debug = require('./debug');
 const util = require('./util');
 
-const qlKeys = 'RP start end limit slimit order offset soffset fill'.split(' ');
+const qlKeys = 'RP start end limit slimit order offset soffset fill tz'.split(' ');
 
 /**
  * Influxdb Reader extends InfluxQL

package.json

@@ -24,7 +24,7 @@
   },
   "dependencies": {
     "debug": "^3.1.0",
-    "influx-ql": "^2.7.0",
+    "influx-ql": "^2.9.0",
     "lodash": "^4.17.10",
     "nano-seconds": "^1.2.2",
     "superagent": "^3.8.3",
@@ -39,6 +39,6 @@
     "eslint-plugin-react": "^6.8.0",
     "istanbul": "^0.4.5",
     "jsdoc": "^3.4.3",
-    "mocha": "^3.1.0"
+    "mocha": "^5.2.0"
   }
 }

test/reader.js

@@ -71,6 +71,14 @@ describe('Reader', () => {
     assert.equal(reader.toString(), 'select * from "http" where "spdy" = \'1\'');
   });
 
+
+  it('set time zone', () => {
+    const reader = new Reader(influx);
+    reader.measurement = 'http';
+    reader.set('tz', 'America/Chicago');
+    assert.equal(reader.toString(), 'select * from "http" tz(\'America/Chicago\')');
+  });
+
   it('query point', done => {
     const reader = new Reader(influx);
     reader.measurement = 'http';