Agents Memory Entry Sources · SQLite Schema · n8n-io/n8n · Skills Docs

Agents Memory Entry Sources · SQLite Schema · n8n-io/n8n · Skills Docs

CREATE TABLE "agents_memory_entry_sources" ("id" varchar(36) PRIMARY KEY NOT NULL, "agentId" varchar(36) NOT NULL, "memoryEntryId" varchar(36) NOT NULL, "observationId" varchar(36), "threadId" varchar(255) NOT NULL, "evidenceHash" varchar(64) NOT NULL, "evidenceText" text 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')), "candidateId" varchar(36), CONSTRAINT "CHK_agents_memory_entry_sources_exactly_one_source" CHECK (("observationId" IS NOT NULL AND "candidateId" IS NULL) OR ("observationId" IS NULL AND "candidateId" IS NOT NULL)), CONSTRAINT "FK_c38e8a57a36b880e39a52ada2e8" FOREIGN KEY ("agentId") REFERENCES "agents" ("id") ON DELETE CASCADE ON UPDATE NO ACTION, CONSTRAINT "FK_4706f6223313959b7437a2b48df" FOREIGN KEY ("memoryEntryId") REFERENCES "agents_memory_entries" ("id") ON DELETE CASCADE ON UPDATE NO ACTION, CONSTRAINT "FK_cb7c15d22fd068a0806aa57fc03" FOREIGN KEY ("observationId") REFERENCES "agents_observations" ("id") ON DELETE CASCADE ON UPDATE NO ACTION, CONSTRAINT "FK_451d387a182fa8dd8002dfc3a77" FOREIGN KEY ("threadId") REFERENCES "agents_threads" ("id") ON DELETE CASCADE ON UPDATE NO ACTION, CONSTRAINT "FK_87640d646b020c3be8e16cd0fa6" FOREIGN KEY ("candidateId") REFERENCES "agents_memory_entry_candidates" ("id") ON DELETE CASCADE)

Name	Type	Default	Nullable	Children	Parents	Comment
agentId	varchar(36)		false		agents
candidateId	varchar(36)		true		agents_memory_entry_candidates
createdAt	datetime(3)	STRFTIME(‘%Y-%m-%d %H:%M:%f’, ‘NOW’)	false
evidenceHash	varchar(64)		false
evidenceText	TEXT		false
id	varchar(36)		false
memoryEntryId	varchar(36)		false		agents_memory_entries
observationId	varchar(36)		true		agents_observations
threadId	varchar(255)		false		agents_threads
updatedAt	datetime(3)	STRFTIME(‘%Y-%m-%d %H:%M:%f’, ‘NOW’)	false

Name	Type	Definition
-	CHECK	CHECK ((“observationId” IS NOT NULL AND “candidateId” IS NULL) OR (“observationId” IS NULL AND “candidateId” IS NOT NULL))
- (Foreign key ID: 0)	FOREIGN KEY	FOREIGN KEY (candidateId) REFERENCES agents_memory_entry_candidates (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE
- (Foreign key ID: 1)	FOREIGN KEY	FOREIGN KEY (threadId) REFERENCES agents_threads (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE
- (Foreign key ID: 2)	FOREIGN KEY	FOREIGN KEY (observationId) REFERENCES agents_observations (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE
- (Foreign key ID: 3)	FOREIGN KEY	FOREIGN KEY (memoryEntryId) REFERENCES agents_memory_entries (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE
- (Foreign key ID: 4)	FOREIGN KEY	FOREIGN KEY (agentId) REFERENCES agents (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE
id	PRIMARY KEY	PRIMARY KEY (id)
sqlite_autoindex_agents_memory_entry_sources_1	PRIMARY KEY	PRIMARY KEY (id)

Name	Definition
IDX_451d387a182fa8dd8002dfc3a7	CREATE INDEX “IDX_451d387a182fa8dd8002dfc3a7” ON “agents_memory_entry_sources” (“threadId”)
IDX_a353ac251315ef0af6ad3c9f0a	CREATE UNIQUE INDEX “IDX_a353ac251315ef0af6ad3c9f0a” ON “agents_memory_entry_sources” (“memoryEntryId”, “observationId”, “evidenceHash”)
IDX_agents_mem_src_candidate_unique	CREATE UNIQUE INDEX “IDX_agents_mem_src_candidate_unique” ON “agents_memory_entry_sources” (“memoryEntryId”, “candidateId”, “evidenceHash”) WHERE “candidateId” IS NOT NULL
IDX_agents_memory_entry_sources_candidateId	CREATE INDEX “IDX_agents_memory_entry_sources_candidateId” ON “agents_memory_entry_sources” (“candidateId”)
IDX_cb7c15d22fd068a0806aa57fc0	CREATE INDEX “IDX_cb7c15d22fd068a0806aa57fc0” ON “agents_memory_entry_sources” (“observationId”)
IDX_f9573af4ed653f13b0ba1f7b12	CREATE INDEX “IDX_f9573af4ed653f13b0ba1f7b12” ON “agents_memory_entry_sources” (“agentId”, “threadId”)
sqlite_autoindex_agents_memory_entry_sources_1	PRIMARY KEY (id)

erDiagram

"agents_memory_entry_sources" }o--|| "agents" : "FOREIGN KEY (agentId) REFERENCES agents (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE"
"agents_memory_entry_sources" }o--o| "agents_memory_entry_candidates" : "FOREIGN KEY (candidateId) REFERENCES agents_memory_entry_candidates (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE"
"agents_memory_entry_sources" }o--|| "agents_memory_entries" : "FOREIGN KEY (memoryEntryId) REFERENCES agents_memory_entries (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE"
"agents_memory_entry_sources" }o--o| "agents_observations" : "FOREIGN KEY (observationId) REFERENCES agents_observations (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE"
"agents_memory_entry_sources" }o--|| "agents_threads" : "FOREIGN KEY (threadId) REFERENCES agents_threads (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE"

"agents_memory_entry_sources" {
  varchar_36_ agentId FK
  varchar_36_ candidateId FK
  datetime_3_ createdAt
  varchar_64_ evidenceHash
  TEXT evidenceText
  varchar_36_ id PK
  varchar_36_ memoryEntryId FK
  varchar_36_ observationId FK
  varchar_255_ threadId FK
  datetime_3_ updatedAt
}
"agents" {
  varchar_36_ activeVersionId FK
  boolean availableInMCP
  datetime_3_ createdAt
  varchar_36_ id PK
  TEXT integrations
  varchar_128_ name
  varchar_255_ projectId FK
  INTEGER publicationRevision
  INTEGER revision
  TEXT schema
  varchar_16_ scope
  datetime_3_ setupCompletedAt
  TEXT skills
  TEXT tools
  datetime_3_ updatedAt
  varchar_36_ versionId
}
"agents_memory_entry_candidates" {
  varchar_36_ agentId FK
  smallint attemptCount
  TEXT content
  datetime_3_ createdAt
  TEXT evidenceText
  varchar_36_ id PK
  varchar_32_ kind
  varchar_255_ resourceId FK
  varchar_255_ runId
  varchar_36_ sourceMessageId FK
  varchar_16_ status
  varchar_255_ threadId FK
  varchar_255_ toolCallId
  datetime_3_ updatedAt
}
"agents_memory_entries" {
  varchar_36_ agentId FK
  TEXT content
  varchar_64_ contentHash
  datetime_3_ createdAt
  BLOB embedding
  varchar_128_ embeddingModel
  varchar_36_ id PK
  datetime_3_ lastSeenAt
  TEXT metadata
  varchar_255_ resourceId FK
  varchar_16_ status
  varchar_36_ supersededBy FK
  datetime_3_ updatedAt
}
"agents_observations" {
  varchar_36_ agentId FK
  datetime_3_ createdAt
  varchar_36_ id PK
  varchar_16_ marker
  varchar_255_ observationScopeId FK
  varchar_36_ parentId FK
  varchar_16_ status
  varchar_36_ supersededBy FK
  TEXT text
  INTEGER tokenCount
  datetime_3_ updatedAt
}
"agents_threads" {
  datetime_3_ createdAt
  varchar_128_ id PK
  TEXT metadata
  varchar_255_ resourceId
  varchar_255_ title
  datetime_3_ updatedAt
}