# instance_ai_observation_locks

## Description

<details>
<summary><strong>Table Definition</strong></summary>

```sql
CREATE TABLE "instance_ai_observation_locks" ("observationScopeId" varchar NOT NULL, "taskKind" varchar(20) NOT NULL, "holderId" varchar(64) NOT NULL, "heldUntil" datetime(3) NOT NULL, "createdAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "updatedAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), CONSTRAINT "CHK_instance_ai_observation_locks_taskKind" CHECK ("taskKind" IN ('observer', 'reflector')), CONSTRAINT "FK_103e2e5f454860b28ea05a82c74" FOREIGN KEY ("observationScopeId") REFERENCES "instance_ai_threads" ("id") ON DELETE CASCADE, PRIMARY KEY ("observationScopeId", "taskKind"))
```

</details>

## Columns

| Name | Type | Default | Nullable | Children | Parents | Comment |
| ---- | ---- | ------- | -------- | -------- | ------- | ------- |
| createdAt | datetime(3) | STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW') | false |  |  |  |
| heldUntil | datetime(3) |  | false |  |  |  |
| holderId | varchar(64) |  | false |  |  |  |
| observationScopeId | varchar |  | false |  | [instance_ai_threads](instance_ai_threads.md) |  |
| taskKind | varchar(20) |  | false |  |  |  |
| updatedAt | datetime(3) | STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW') | false |  |  |  |

## Constraints

| Name | Type | Definition |
| ---- | ---- | ---------- |
| - | CHECK | CHECK ("taskKind" IN ('observer', 'reflector')) |
| - (Foreign key ID: 0) | FOREIGN KEY | FOREIGN KEY (observationScopeId) REFERENCES instance_ai_threads (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE |
| observationScopeId | PRIMARY KEY | PRIMARY KEY (observationScopeId) |
| sqlite_autoindex_instance_ai_observation_locks_1 | PRIMARY KEY | PRIMARY KEY (observationScopeId, taskKind) |
| taskKind | PRIMARY KEY | PRIMARY KEY (taskKind) |

## Indexes

| Name | Definition |
| ---- | ---------- |
| sqlite_autoindex_instance_ai_observation_locks_1 | PRIMARY KEY (observationScopeId, taskKind) |

## Relations

```mermaid
erDiagram

"instance_ai_observation_locks" |o--|| "instance_ai_threads" : "FOREIGN KEY (observationScopeId) REFERENCES instance_ai_threads (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE"

"instance_ai_observation_locks" {
  datetime_3_ createdAt
  datetime_3_ heldUntil
  varchar_64_ holderId
  varchar observationScopeId PK
  varchar_20_ taskKind PK
  datetime_3_ updatedAt
}
"instance_ai_threads" {
  datetime_3_ createdAt
  varchar id PK
  TEXT metadata
  varchar_36_ projectId FK
  varchar_255_ resourceId
  TEXT title
  datetime_3_ updatedAt
}
```

---

> Generated by [tbls](https://github.com/k1LoW/tbls)