vujita / exploreapollo.org-schema

Database management for exploreapollo.org

exploreapollo.org-schema

Database management for exploreapollo.org

Database

All migrations should be run against Postgres 9.4

Domains

reasonable_string

Text with the constraint: 0 < length <= 254

254 is the maximum length of an email address.

Tables

users

All fields in this table have a minimum length of 1 and a max length of 254 characters.

field	domain
id	SERIAL
name	reasonable_string
email	reasonable_string
password	TEXT

missions

field	domain	description
id	SERIAL
name	TEXT	Machine readable mission identifier
title	TEXT	Display name
met_start_time	TIMESTAMP WITH TIMEZONE	Point in time where the MET starts. In ISO 8601 format: 1999-01-08 04:05:06 -8:00. Use UTC.

channels

field	domain	description
id	SERIAL
mission	INTEGER	Mission foreign key
name	TEXT
title	TEXT	Display name
description	TEXT

channel_chunks

field	domain	description
id	SERIAL
channel	INTEGER	Foreign key for channel this chunk belongs to
url	TEXT	Full HTTPS URL to audio file
name	TEXT	Original file name or helpful label
met_start	BIGINT	Mission elapsed time in milliseconds where this chunk begins
met_end	BIGINT	Mission elapsed time in milliseconds where this chunk ends

stories

field	domain	description
id	SERIAL
name	TEXT	Text slug
title	TEXT	Display name
description	TEXT
created	TIMESTAMP WITH TIMEZONE	Time of row addition

moments

field	domain	description
id	SERIAL
name	TEXT	Text slug
title	TEXT	Display name
description	TEXT
met_start	BIGINT	Mission elapsed time in milliseconds where this moment begins
met_end	BIGINT	Mission elapsed time in milliseconds where this moment ends
created	TIMESTAMP WITH TIMEZONE	Time of row addition

moment_story_join

Many-to-many relationship table between moments and stories

field	domain	description
id	SERIAL
moment_id	INTEGER	Foreign key for moment
story_id	INTEGER	Foreign key for story
moment_order	INTEGER	Integer denoting the order the moment occurs in the story

moment_channel_join

Many-to-many relationship between moments and channels

field	domain	description
id	SERIAL
moment_id	INTEGER	Foreign key for moment
channel_id	INTEGER	Foreign key for channel

speakers

field	domain	description
id	SERIAL
name	TEXT	Text slug
title	TEXT	Display name, perhaps the speaker's full name
photo_url	TEXT	HTTPS URL to photo

transcript_parts

field	domain	description
id	SERIAL
message	TEXT	The spoken text for the part
met_start	BIGINT	Mission elapsed time in milliseconds where this moment begins
met_end	BIGINT	Mission elapsed time in milliseconds where this moment ends
speaker_id	INTEGER	Foreign key for speaker
channel_id	INTEGER	Foreign key for channel