n8n/docs/generated/postgres-schema/public.chat_hub_sessions.md

public.chat_hub_sessions

Columns

Name	Type	Default	Nullable	Children	Parents	Comment
agentId	uuid		true		public.chat_hub_agents	ID of the custom agent (if provider is "custom-agent")
agentName	varchar(128)		true			Cached name of the custom agent (if provider is "custom-agent")
createdAt	timestamp(3) with time zone	CURRENT_TIMESTAMP(3)	false
credentialId	varchar(36)		true		public.credentials_entity
id	uuid		false	public.chat_hub_messages public.chat_hub_session_tools
lastMessageAt	timestamp(3) with time zone		false
model	varchar(256)		true			Model name used at the respective Model node, ie. "gpt-4"
ownerId	uuid		false		public.user
provider	varchar(16)		true			ChatHubProvider enum: "openai", "anthropic", "google", "n8n"
title	varchar(256)		false
type	varchar(16)	'production'::character varying	false
updatedAt	timestamp(3) with time zone	CURRENT_TIMESTAMP(3)	false
workflowId	varchar(36)		true		public.workflow_entity

Constraints

Name	Type	Definition
CHK_chat_hub_sessions_type	CHECK	CHECK (((type)::text = ANY ((ARRAY['production'::character varying, 'manual'::character varying])::text[])))
FK_7bc13b4c7e6afbfaf9be326c189	FOREIGN KEY	FOREIGN KEY ("credentialId") REFERENCES credentials_entity(id) ON DELETE SET NULL
FK_9f9293d9f552496c40e0d1a8f80	FOREIGN KEY	FOREIGN KEY ("workflowId") REFERENCES workflow_entity(id) ON DELETE SET NULL
FK_chat_hub_sessions_agentId	FOREIGN KEY	FOREIGN KEY ("agentId") REFERENCES chat_hub_agents(id) ON DELETE SET NULL
FK_e9ecf8ede7d989fcd18790fe36a	FOREIGN KEY	FOREIGN KEY ("ownerId") REFERENCES "user"(id) ON DELETE CASCADE
PK_1eafef1273c70e4464fec703412	PRIMARY KEY	PRIMARY KEY (id)
chat_hub_sessions_createdAt_not_null	n	NOT NULL "createdAt"
chat_hub_sessions_id_not_null	n	NOT NULL id
chat_hub_sessions_lastMessageAt_not_null	n	NOT NULL "lastMessageAt"
chat_hub_sessions_ownerId_not_null	n	NOT NULL "ownerId"
chat_hub_sessions_title_not_null	n	NOT NULL title
chat_hub_sessions_type_not_null	n	NOT NULL type
chat_hub_sessions_updatedAt_not_null	n	NOT NULL "updatedAt"

Indexes

Name	Definition
IDX_chat_hub_sessions_owner_lastmsg_id	CREATE INDEX "IDX_chat_hub_sessions_owner_lastmsg_id" ON public.chat_hub_sessions USING btree ("ownerId", "lastMessageAt" DESC, id)
PK_1eafef1273c70e4464fec703412	CREATE UNIQUE INDEX "PK_1eafef1273c70e4464fec703412" ON public.chat_hub_sessions USING btree (id)

Relations

erDiagram

"public.chat_hub_sessions" }o--o| "public.chat_hub_agents" : "FOREIGN KEY (#quot;agentId#quot;) REFERENCES chat_hub_agents(id) ON DELETE SET NULL"
"public.chat_hub_sessions" }o--o| "public.credentials_entity" : "FOREIGN KEY (#quot;credentialId#quot;) REFERENCES credentials_entity(id) ON DELETE SET NULL"
"public.chat_hub_messages" }o--|| "public.chat_hub_sessions" : "FOREIGN KEY (#quot;sessionId#quot;) REFERENCES chat_hub_sessions(id) ON DELETE CASCADE"
"public.chat_hub_session_tools" }o--|| "public.chat_hub_sessions" : "FOREIGN KEY (#quot;sessionId#quot;) REFERENCES chat_hub_sessions(id) ON DELETE CASCADE"
"public.chat_hub_sessions" }o--|| "public.user" : "FOREIGN KEY (#quot;ownerId#quot;) REFERENCES #quot;user#quot;(id) ON DELETE CASCADE"
"public.chat_hub_sessions" }o--o| "public.workflow_entity" : "FOREIGN KEY (#quot;workflowId#quot;) REFERENCES workflow_entity(id) ON DELETE SET NULL"

"public.chat_hub_sessions" {
  uuid agentId FK
  varchar_128_ agentName
  timestamp_3__with_time_zone createdAt
  varchar_36_ credentialId FK
  uuid id
  timestamp_3__with_time_zone lastMessageAt
  varchar_256_ model
  uuid ownerId FK
  varchar_16_ provider
  varchar_256_ title
  varchar_16_ type
  timestamp_3__with_time_zone updatedAt
  varchar_36_ workflowId FK
}
"public.chat_hub_agents" {
  timestamp_3__with_time_zone createdAt
  varchar_36_ credentialId FK
  varchar_512_ description
  json files
  json icon
  uuid id
  varchar_64_ model
  varchar_256_ name
  uuid ownerId FK
  varchar_16_ provider
  json suggestedPrompts
  text systemPrompt
  timestamp_3__with_time_zone updatedAt
}
"public.credentials_entity" {
  timestamp_3__with_time_zone createdAt
  text data
  varchar_36_ id
  boolean isGlobal
  boolean isManaged
  boolean isResolvable
  varchar_128_ name
  boolean resolvableAllowFallback
  varchar_16_ resolverId FK
  varchar_128_ type
  timestamp_3__with_time_zone updatedAt
}
"public.chat_hub_messages" {
  uuid agentId FK
  json attachments
  text content
  timestamp_3__with_time_zone createdAt
  integer executionId FK
  uuid id
  varchar_256_ model
  varchar_128_ name
  uuid previousMessageId FK
  varchar_16_ provider
  uuid retryOfMessageId FK
  uuid revisionOfMessageId FK
  uuid sessionId FK
  varchar_16_ status
  varchar_16_ type
  timestamp_3__with_time_zone updatedAt
  varchar_36_ workflowId FK
}
"public.chat_hub_session_tools" {
  uuid sessionId FK
  uuid toolId FK
}
"public.user" {
  timestamp_3__with_time_zone createdAt
  boolean disabled
  varchar_255_ email
  varchar_32_ firstName
  uuid id
  date lastActiveAt
  varchar_32_ lastName
  boolean mfaEnabled
  text mfaRecoveryCodes
  text mfaSecret
  varchar_255_ password
  json personalizationAnswers
  varchar_128_ roleSlug FK
  json settings
  timestamp_3__with_time_zone updatedAt
}
"public.workflow_entity" {
  boolean active
  varchar_36_ activeVersionId FK
  json connections
  timestamp_3__with_time_zone createdAt
  text description
  varchar_36_ id
  boolean isArchived
  json meta
  varchar_128_ name
  json nodeGroups
  json nodes
  varchar_36_ parentFolderId FK
  json pinData
  json settings
  varchar sourceWorkflowId
  json staticData
  integer triggerCount
  timestamp_3__with_time_zone updatedAt
  integer versionCounter
  character_36_ versionId
}

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