influxdata / influxdata/influxdb-java

Does influxdb-java has limitation for the # of select queries in one query() call?

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Description

# Environment
```
java 1.8
SpringBoot 2.4.3
SpringCloud 3.0.5
Influxdb-java 2.20
Influxdb 1.8
```

# Platform
```
client app: windows 10
influxdb server: centos 7
```

# Question
My influxdb database stores the data from May 2nd to May 5th, and the query string is as below, which contains 5 select:
```
SELECT metricsA FROM measurementA WHERE time >= '2023-05-02T10:10:30.78+08:00' AND time < '2023-05-20T08:20:30.78+08:00' AND ((uniqId = 'cadd3c08082f07740c459d4366b91002' AND sign=~/.*/) OR (uniqId = 'c0c0250e096735acc6b6dc341b47504a' AND sign=~/1.1|1.2/)) GROUP BY uniqId,sign tz('Etc/GMT-8');
SELECT metricsB FROM measurementB WHERE time >= '2023-05-02T10:10:30.78+08:00' AND time < '2023-05-20T08:20:30.78+08:00' AND ((uniqId = 'cadd3c08082f07740c459d4366b91002' AND sign=~/.*/) OR (uniqId = 'c0c0250e096735acc6b6dc341b47504a' AND sign=~/1.1|1.2/)) GROUP BY uniqId,sign tz('Etc/GMT-8');
SELECT metricsC,metricsD FROM measurementC WHERE time >= '2023-05-02T10:10:30.78+08:00' AND time < '2023-05-20T08:20:30.78+08:00' AND ((uniqId = 'cadd3c08082f07740c459d4366b91002' AND sign=~/.*/) OR (uniqId = 'c0c0250e096735acc6b6dc341b47504a' AND sign=~/1.1|1.2/)) GROUP BY uniqId,sign tz('Etc/GMT-8');
SELECT metricsE FROM measurementD WHERE time >= '2023-05-02T10:10:30.78+08:00' AND time < '2023-05-20T08:20:30.78+08:00' AND ((uniqId = 'cadd3c08082f07740c459d4366b91002') OR (uniqId = 'c0c0250e096735acc6b6dc341b47504a')) GROUP BY uniqId tz('Etc/GMT-8');
SELECT metricsF FROM measurementE WHERE time >= '2023-05-02T10:10:30.78+08:00' AND time < '2023-05-20T08:20:30.78+08:00' AND ((uniqId = 'cadd3c08082f07740c459d4366b91002' AND sign=~/.*/) OR (uniqId = 'c0c0250e096735acc6b6dc341b47504a' AND sign=~/1.1|1.2/)) GROUP BY uniqId,sign tz('Etc/GMT-8');
```
I'm calling InfluxDB.query() to execute it, but only the first 3 select query returns QueryResult. The Json format of QueryResult is:
```
"result":[
{
"series": [
{
"name": "measurementA",
"tags": {
"sign": "1.1",
"uniqId": "c0c0250e096735acc6b6dc341b47504a",
"IP": "4.4.4.4"
},
"columns": [
"time",
"PSUIn"
],
"values": [
[
"2023-05-03T08:04:00+08:00",
900.0
],
...
]
}
]
},
{...},
{...}
]
```

When I execute each select query seperately, they can all return QueryResults. And there is more, which is when I narrowed down the time range to { 2023-05-02T10:10:30.78+08:00 ---- 2023-05-04T10:10:30.78+08:00 } instead of { 2023-05-02T10:10:30.78+08:00 ---- 2023-05-20T08:20:30.78+08:00 }, it works just fine and gives all the results for 5 queries.

I had no clue why this happened. Is there any constrants for the number of select query in one query() call?

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Par où commencer

  1. Lisez l'issue en entier, puis le guide de contribution du projet.
  2. Signalez en commentaire que vous la prenez — cela évite que deux personnes fassent le même travail.
  3. Forkez le dépôt et travaillez sur une branche.
  4. Ouvrez une pull request qui référence le numéro de l'issue.

Piste de recherche

Commencez par reproduire les cinq instructions via InfluxDB.query() avec les deux plages temporelles, puis comparez le QueryResult renvoyé avec les erreurs du serveur et du client, le cas échéant. Vérifiez si les résultats manquants proviennent du client Java ou de la gestion multi-statement d’InfluxDB ; le travail est terminé lorsque le composant limitant est identifié et qu’une explication reproductible est documentée.

Rédigé par le modèle d'indexation à partir du texte de l'issue.

Évaluation

Stack technique
java
Domaine
databases
Type d'issue
Bug
Difficulté
4/5
Temps estimé
3-5 jours
Activité
À l'abandon
Clarté
À clarifier
Accessibilité débutants
25/100

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