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feat: handled unknown dialect for cloud #1450

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feat: handled unknown dialect for cloud #1450

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feat: handled unknown dialect for cloud
AdiGajbhiye Oct 4, 2024
fdfa089
WIP
AdiGajbhiye Oct 4, 2024
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27 changes: 26 additions & 1 deletion src/dbt_client/dbtCloudIntegration.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -238,7 +238,12 @@ export class DBTCloudProjectIntegration
}
if (!this.adapterType) {
// We only fetch the adapter type once, as it may impact compilation preview otherwise
this.findAdapterType();
const startTime = Date.now();
await this.findAdapterType();
const elapsedTime = Date.now() - startTime;
this.telemetry.sendTelemetryEvent("cloudFindAdapterTypeElapsedTime", {
elapsedTime: elapsedTime.toString(),
});
}
if (!this.version) {
await this.findVersion();
Expand Down Expand Up @@ -1023,6 +1028,21 @@ export class DBTCloudProjectIntegration
}
}

private firstRun = false;
private async retryOnce() {
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Add a return type to the retryOnce function signature for better clarity and refactoring ease.

Suggested change
private async retryOnce() {
private async retryOnce(): Promise<void> {

if (this.firstRun) {
return;
}
this.firstRun = true;
const startTime = Date.now();
await this.findAdapterType();
const elapsedTime = Date.now() - startTime;
this.telemetry.sendTelemetryEvent("cloudFindAdapterTypeElapsedTime", {
elapsedTime: elapsedTime.toString(),
retry: "true",
});
}

private async findAdapterType() {
const adapterTypeCommand = this.dbtCloudCommand(
new DBTCommand("Getting adapter type...", [
Expand Down Expand Up @@ -1063,6 +1083,11 @@ export class DBTCloudProjectIntegration
error,
);
}
if (!this.adapterType) {
setTimeout(() => {
this.retryOnce();
}, 5000);
}
Comment on lines +1086 to +1090
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🛠️ Refactor suggestion

Consider enhancing the retry mechanism.

The addition of a retry mechanism for adapter type detection is a good improvement for handling transient issues. However, there are a few points to consider:

  1. The current implementation might lead to multiple concurrent retries if findAdapterType is called multiple times in quick succession. Consider using a class-level flag to prevent this.

  2. There's no upper limit on the number of retries, which could lead to infinite retries in case of persistent issues. Consider implementing a maximum retry count.

  3. The retry is triggered in the findAdapterType method, but the actual retry logic is in retryOnce. This separation might make the flow harder to follow.

Here's a suggestion to address these points:

private retryCount = 0;
private readonly MAX_RETRIES = 3;
private isRetrying = false;

private async findAdapterType() {
  // ... existing code ...

  if (!this.adapterType && this.retryCount < this.MAX_RETRIES && !this.isRetrying) {
    this.retryCount++;
    this.isRetrying = true;
    setTimeout(async () => {
      await this.retryOnce();
      this.isRetrying = false;
    }, 5000);
  }
}

This approach limits the number of retries, prevents concurrent retries, and keeps the retry logic within the findAdapterType method for better clarity.

}

private async findVersion() {
Expand Down