# ZQuery Template

Query collection for ZDB


## Query Tips

- Always use date for filter queries
- Using the site_id filter would be better
- To check query results, filter the date using the past 7 days first

## Query

#### Example #1

query meas lookup to `network_cell` to get `site_id` field, from 7 days before until yesterday with specify `site_id`

```sql
    select date, site_id, sum(payload_mbyte) as payload_mbyte
    from r11.meas_2g_daily m
            join network_cell n on m.network_cell_id = n.id
    where date between date_int(7) and date_int(1)
    and site_id in ('SITE_ID')
    group by date, site_id
    order by site_id, date;
```

#### Example #2

query meas lookup to `network_cell` to get `site_id` field and `cluster` name, from 7 days before until yesterday with specify `cluster`

```sql
    select date, n.site_id, cluster, sum(payload_mbyte) as payload_mbyte
    from r11.meas_2g_daily m
            join network_cell n on m.network_cell_id = n.id
            join ref_site r on n.site_id = r.site_id
    where date between date_int(7) and date_int(1)
    and r.cluster in ('CLUSTER NAME')
    group by date, n.site_id, cluster
    order by cluster, n.site_id, date;
```
## Function List

| Function | Example     | Result     | Description                |
| :-------- | :------- | :------- | :------------------------- |
| to_week(date) | to_week('2023-12-01') | 202348 | convert date to week |
| date_from(yearweek) | date_from('202348') | 2023-12-01 | start date of a week |
| date_to(yearweek) | date_to('202348') | 2023-12-07 | start end of a week |
| date_int(number) | date_int(2) | 2023-12-06 | get date with interval from current date |
| ndp(num, denum) | ndp(2,4) | 50.00 | num denum calculation with percentage result format |
| nds(num, denum) | nds(1,3) | 0.33 | num denum calculation with standard result format |

## Table List

| Schema | Table     | Description                |
| :-------- | :------- | :------------------------- |
| r08, r09, r11 | meas_2g_hourly | meas hourly cell |
| r08, r09, r11 | meas_4g_hourly | meas hourly cell |
| r08, r09, r11 | meas_5g_hourly | meas hourly cell |
| r08, r09, r11 | meas_2g_daily | meas daily cell |
| r08, r09, r11 | meas_4g_daily | meas daily cell |
| r08, r09, r11 | meas_5g_daily | meas daily cell |
| r08, r09, r11 | meas_2g_daily_bh_traffic | meas daily busy hour (by traffic) cell |
| r08, r09, r11 | meas_4g_daily_bh_activeuser | meas daily busy hour (by active user) cell |
| r08, r09, r11 | meas_5g_daily_bh_payload | meas daily busy hour (by payload) cell |
| r08, r09, r11 | meas_2g_daily_bdbh_traffic | meas weekly busy day busy hour (by traffic) cell |
| r08, r09, r11 | meas_4g_daily_bdbh_activeuser | meas weekly busy day busy hour (by active user) cell |
| r08, r09, r11 | meas_5g_daily_bdbh_payload | meas weekly busy day busy hour (by payload) cell |
| r08, r09, r11 | pl_2g_hourly | packet loss hourly site |
| r08, r09, r11 | pl_4g_15min | packet loss 15 minutes site |

| Schema | Table     | Description                |
| :-------- | :------- | :------------------------- |
| public | network_cell | cell reference for meas lookup |
| public | network_site | site reference for pl lookup |
| public | ref_site | region reference |
## Features

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