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

public.instance_ai_chat_attachments

Columns

Name	Type	Default	Nullable	Children	Parents	Comment
binaryDataId	text		false			Opaque BinaryDataService reference; not an FK to binary_data
createdAt	timestamp(3) with time zone	CURRENT_TIMESTAMP(3)	false
fileName	varchar(255)		false
fileSizeBytes	integer		false			Uploaded file size in bytes
id	varchar(16)		false			Application-generated n8n nano ID
messageId	varchar(36)		true			User message that introduced the file, when known
mimeType	varchar(255)		false
threadId	uuid		false		public.instance_ai_threads	Session the attachment belongs to
updatedAt	timestamp(3) with time zone	CURRENT_TIMESTAMP(3)	false

Constraints

Name	Type	Definition
FK_a34dafe1cb4d3bce8e4d327d43b	FOREIGN KEY	FOREIGN KEY ("threadId") REFERENCES instance_ai_threads(id) ON DELETE CASCADE
PK_40a9b3af46095e3e57875b65b4b	PRIMARY KEY	PRIMARY KEY (id)
instance_ai_chat_attachments_binaryDataId_not_null	n	NOT NULL "binaryDataId"
instance_ai_chat_attachments_createdAt_not_null	n	NOT NULL "createdAt"
instance_ai_chat_attachments_fileName_not_null	n	NOT NULL "fileName"
instance_ai_chat_attachments_fileSizeBytes_not_null	n	NOT NULL "fileSizeBytes"
instance_ai_chat_attachments_id_not_null	n	NOT NULL id
instance_ai_chat_attachments_mimeType_not_null	n	NOT NULL "mimeType"
instance_ai_chat_attachments_threadId_not_null	n	NOT NULL "threadId"
instance_ai_chat_attachments_updatedAt_not_null	n	NOT NULL "updatedAt"

Indexes

Name	Definition
IDX_a34dafe1cb4d3bce8e4d327d43	CREATE INDEX "IDX_a34dafe1cb4d3bce8e4d327d43" ON public.instance_ai_chat_attachments USING btree ("threadId")
PK_40a9b3af46095e3e57875b65b4b	CREATE UNIQUE INDEX "PK_40a9b3af46095e3e57875b65b4b" ON public.instance_ai_chat_attachments USING btree (id)

Relations

erDiagram

"public.instance_ai_chat_attachments" }o--|| "public.instance_ai_threads" : "FOREIGN KEY (#quot;threadId#quot;) REFERENCES instance_ai_threads(id) ON DELETE CASCADE"

"public.instance_ai_chat_attachments" {
  text binaryDataId
  timestamp_3__with_time_zone createdAt
  varchar_255_ fileName
  integer fileSizeBytes
  varchar_16_ id
  varchar_36_ messageId
  varchar_255_ mimeType
  uuid threadId FK
  timestamp_3__with_time_zone updatedAt
}
"public.instance_ai_threads" {
  timestamp_3__with_time_zone createdAt
  uuid id
  json metadata
  varchar_36_ projectId FK
  varchar_255_ resourceId
  text title
  timestamp_3__with_time_zone updatedAt
}

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Generated by tbls