feat: use separate directory for downsampling data

examples/basic/src/index.ts

@@ -70,36 +70,16 @@ async function main() {
       console.log(`max is ${row.max}`)
     }
 
-    const downsamplingQuery = `\
-    SELECT
-      date_bin('5 minutes', "time") as window_start,
-      AVG("avg") as avg,
-      MAX("max") as max
-    FROM "stat"
-    WHERE
-      "time" >= now() - interval '1 hour'
-    GROUP BY window_start
-    ORDER BY window_start DESC;`
-
-    // Execute downsampling query into pointValues
+    // Execute query again as points
     const queryPointsResult = client.queryPoints(
-      downsamplingQuery,
+      query,
       database,
       queryType
     )
 
     for await (const row of queryPointsResult) {
       console.log(`avg is ${row.getField('avg', 'float')}`)
       console.log(`max is ${row.getField('max', 'float')}`)
-
-      // write back downsampled point
-      const point = row.asPoint('stat_downsampled')
-      const windowStart = point.getFloatField('window_start') as number
-      point.setTimestamp(windowStart)
-
-      await client.write(point, database, undefined, {
-        precision: 'ms',
-      })
     }
   } catch (err) {
     console.error(err)