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unleash.unleash/docs/database-schema.md
Ivar Conradi Østhus cdfba8f7b1 feat: Adds last-seen dat on toggles 
When an application updates metrics for a toggle we now
stores the timestamp on the toggle when it was last seen
used by an application. This will make it much easier to
detect toggles not in use anymore.

closes #642
2020-12-22 11:05:00 +01:00

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id title
database_schema Database Schema

This document describes our current database schema used in PostgreSQL. We use db-migrate to migrate (create tables, add columns, etc.) the database.

Table: migrations

Used by db-migrate module to keep track of migrations.

NAME TYPE SIZE NULLABLE COLUMN_DEF
id serial 10 0 nextval('migrations_id_seq'::regclass)
name varchar 255 0 (null)
run_on timestamp 29 0 (null)

Table: events

NAME TYPE SIZE NULLABLE COLUMN_DEF
id serial 10 0 nextval('events_id_seq'::regclass)
created_at timestamp 29 1 now()
type varchar 255 0 (null)
created_by varchar 255 0 (null)
data json 2147483647 1 (null)

Table: strategies

NAME TYPE SIZE NULLABLE COLUMN_DEF
created_at timestamp 29 1 now()
name varchar 255 0 (null)
description text 2147483647 1 (null)
parameters_template json 2147483647 1 (null)

Table: features

NAME TYPE SIZE NULLABLE COLUMN_DEF COMMENT
created_at timestamp 29 1 now()
name varchar 255 0 (null)
enabled int4 10 1 0
description text 2147483647 1 (null)
archived int4 10 1 0
strategies json 2147483647 1 (null)
type varchar 2147483647 1 release
last_seen_at timestamp 29 1 (null)

Table: client_strategies

COLUMN_NAME TYPE_NAME COLUMN_SIZE NULLABLE COLUMN_DEF
app_name varchar 255 0 (null)
updated_at timestamp 29 1 now()
strategies json 2147483647 1 (null)

Table: client_instances

COLUMN_NAME TYPE_NAME COLUMN_SIZE NULLABLE COLUMN_DEF
app_name varchar 255 1 (null)
instance_id varchar 255 1 (null)
client_ip varchar 255 1 (null)
last_seen timestamp 29 1 now()
created_at timestamp 29 1 now()

Table: client_metrics

COLUMN_NAME TYPE_NAME COLUMN_SIZE NULLABLE COLUMN_DEF
id serial 10 0 nextval('client_metrics_id_seq'::regclass)
created_at timestamp 29 1 now()
metrics json 2147483647 1 (null)

Table: feature_types

COLUMN_NAME TYPE_NAME COLUMN_SIZE NULLABLE COLUMN_DEF
id varchar 255 0 (null)
name varchar 0 (null)
description varchar 1 (null)
lifetime_days integer 1 (null)