Events database structure
Added tables allowing event data to be stored on the long term: * events.events_v2 (which will need to be renamed) contains the events' main entry * events.field_values stores field values for all events.
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@ -239,6 +239,147 @@ CREATE SEQUENCE events.event_id_sequence;
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GRANT SELECT,UPDATE ON events.event_id_sequence TO :dbuser;
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/*
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* Event storage table
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* -------------------
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*
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* This table stores the main entries for actual events. It is fed using the
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* various type-specific event queues.
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*
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* FIXME: this table should be renamed once the old internal messages are
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* gone.
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*/
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DROP TABLE IF EXISTS events.events_v2 CASCADE;
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CREATE TABLE events.events_v2(
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/* Numeric identifier of the event */
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event_id BIGINT NOT NULL PRIMARY KEY ,
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/* Type of the event */
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evdef_id VARCHAR( 48 ) NOT NULL ,
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/* Real time at which the event occurred */
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event_rtime TIMESTAMP WITHOUT TIME ZONE
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NOT NULL ,
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/* Game time (tick identifier) at which the event occurred */
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event_gtime BIGINT NOT NULL ,
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/* Identifier of the empire to which the event applies */
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empire_id INT NOT NULL
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);
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CREATE UNIQUE INDEX idx_events_iddef
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ON events.events_v2 ( event_id , evdef_id );
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CREATE INDEX idx_events_selector
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ON events.events_v2 ( empire_id , event_rtime );
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ALTER TABLE events.events_v2
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ADD CONSTRAINT fk_events_evdef
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FOREIGN KEY ( evdef_id ) REFERENCES events.event_definitions ( evdef_id ) ,
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ADD CONSTRAINT fk_events_empire
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FOREIGN KEY ( empire_id ) REFERENCES emp.empires ( name_id )
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ON DELETE CASCADE;
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GRANT SELECT ON events.events_v2 TO :dbuser;
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/*
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* Event field values storage table
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* --------------------------------
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*
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* This table stores the values of the events' fields.
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*/
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DROP TABLE IF EXISTS events.field_values CASCADE;
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CREATE TABLE events.field_values(
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/* The event's identifier */
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event_id BIGINT NOT NULL ,
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/* The event's type */
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evdef_id VARCHAR(48) NOT NULL ,
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/* The field's identifier */
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efdef_id VARCHAR(48) NOT NULL ,
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/* Literal field value */
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efval_litteral TEXT NOT NULL ,
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/* I18N string reference */
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string_id INT ,
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/* Empire reference */
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empire_id INT ,
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/* Planet reference */
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planet_id INT ,
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/* Fleet reference */
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fleet_id BIGINT ,
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/* Alliance reference */
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alliance_id INT ,
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/* Battle reference */
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battle_id BIGINT ,
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/* Administrator reference */
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admin_id INT ,
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/* Bug report reference */
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bug_report_id BIGINT ,
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PRIMARY KEY( event_id , evdef_id , efdef_id )
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);
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CREATE INDEX idx_fvalues_string
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ON events.field_values ( string_id );
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CREATE INDEX idx_fvalues_empire
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ON events.field_values ( empire_id );
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CREATE INDEX idx_fvalues_planet
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ON events.field_values ( planet_id );
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CREATE INDEX idx_fvalues_fleet
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ON events.field_values ( fleet_id );
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CREATE INDEX idx_fvalues_alliance
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ON events.field_values ( alliance_id );
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CREATE INDEX idx_fvalues_battle
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ON events.field_values ( battle_id );
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CREATE INDEX idx_fvalues_admin
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ON events.field_values ( admin_id );
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CREATE INDEX idx_fvalues_bugreport
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ON events.field_values ( bug_report_id );
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ALTER TABLE events.field_values
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ADD CONSTRAINT fk_fvalues_event
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FOREIGN KEY ( event_id , evdef_id ) REFERENCES events.events_v2 ( event_id , evdef_id )
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ON DELETE CASCADE ,
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ADD CONSTRAINT fk_fvalues_field
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FOREIGN KEY ( evdef_id , efdef_id ) REFERENCES events.field_definitions ,
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ADD CONSTRAINT fk_fvalues_string
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FOREIGN KEY ( string_id ) REFERENCES defs.strings ,
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ADD CONSTRAINT fk_fvalues_empire
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FOREIGN KEY ( empire_id ) REFERENCES emp.empires
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ON DELETE CASCADE ,
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ADD CONSTRAINT fk_fvalues_planet
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FOREIGN KEY ( planet_id ) REFERENCES verse.planets
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ON DELETE CASCADE ,
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ADD CONSTRAINT fk_fvalues_fleet
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FOREIGN KEY ( fleet_id ) REFERENCES fleets.fleets
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ON DELETE CASCADE ,
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ADD CONSTRAINT fk_fvalues_alliance
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FOREIGN KEY ( alliance_id ) REFERENCES emp.alliances
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ON DELETE CASCADE ,
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ADD CONSTRAINT fk_fvalues_battle
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FOREIGN KEY ( battle_id ) REFERENCES battles.battles
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ON DELETE CASCADE ,
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ADD CONSTRAINT fk_fvalues_admin
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FOREIGN KEY ( admin_id ) REFERENCES admin.administrators
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ON DELETE CASCADE ,
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ADD CONSTRAINT fk_fvalues_bugreport
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FOREIGN KEY ( bug_report_id ) REFERENCES bugs.initial_report_events
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ON DELETE CASCADE;
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GRANT SELECT ON events.field_values TO :dbuser;
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/*
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* OLD B6M1 CODE BELOW!
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