Added event definition tables
* New events.event_definitions table * New events.field_definitions table * New types for event field type specification
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1 changed files with 160 additions and 2 deletions
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-- LegacyWorlds Beta 6
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-- PostgreSQL database scripts
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--
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-- Storage of events (internal messages)
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-- Storage of events
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--
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-- Copyright(C) 2004-2010, DeepClone Development
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-- Copyright(C) 2004-2012, DeepClone Development
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-- --------------------------------------------------------
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/*
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* Event type definitions
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* -----------------------
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*
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* This table stores the "root" of event type definitions. Each definition is
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* uniquely identifier by a short string.
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*/
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DROP TABLE IF EXISTS events.event_definitions CASCADE;
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CREATE TABLE events.event_definitions(
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/* The event definition identifier */
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evdef_id VARCHAR( 48 ) NOT NULL PRIMARY KEY ,
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/* The default priority of the events of this type */
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evdef_priority INT NOT NULL
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CHECK( evdef_priority BETWEEN 0 AND 4 ) ,
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/* Whether the priority for this type of event may be adjusted */
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evdef_adjustable BOOLEAN NOT NULL
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);
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GRANT SELECT ON events.event_definitions TO :dbuser;
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/*
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* General event field types
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* --------------------------
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*/
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DROP TYPE IF EXISTS events.field_type CASCADE;
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CREATE TYPE events.field_type AS ENUM(
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/* A numeric event field */
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'NUMERIC' ,
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/* A raw text event field */
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'TEXT' ,
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/* A boolean event field */
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'BOOL' ,
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/* An internationalised text field */
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'I18N' ,
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/* A field which links to another game entity */
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'ENTITY'
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);
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/*
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* Entity field sub-types
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* -----------------------
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*
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* FIXME: no message sub-type for now
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*/
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DROP TYPE IF EXISTS events.entity_field_type CASCADE;
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CREATE TYPE events.entity_field_type AS ENUM(
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/* An empire */
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'EMP' ,
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/* A planet */
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'PLN' ,
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/* A fleet */
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'FLT' ,
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/* A battle */
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'BAT' ,
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/* An administrator */
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'ADM' ,
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/* A bug report */
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'BUG'
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);
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/*
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* Event field definition
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* -----------------------
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*
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* An event field definition can be associated with an event definition to
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* specify which fields an event will possess.
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*/
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DROP TABLE IF EXISTS events.field_definitions CASCADE;
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CREATE TABLE events.field_definitions (
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/* Identifier of the event type definition */
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evdef_id VARCHAR( 48 ) NOT NULL ,
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/* Identifier of the field itself */
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efdef_id VARCHAR( 48 ) NOT NULL ,
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/* Whether the field is optional or mandatory */
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efdef_optional BOOLEAN NOT NULL ,
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/* General type of the event field */
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efdef_type events.field_type NOT NULL ,
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/* Entity type if the field is an entity */
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efdef_entity events.entity_field_type ,
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/* Whether the field should contain an integer or a real number, if the
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* field is numeric.
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*/
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efdef_integer BOOLEAN ,
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/* Minimal value or length of the field if it is either a numeric field or
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* a text field.
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*/
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efdef_min NUMERIC ,
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/* Maximal value or length of the field if it is either a numeric field or
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* a text field.
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*/
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efdef_max NUMERIC ,
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/* Use both the event type identifier and the field identifier as
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* the primary key
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*/
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PRIMARY KEY( evdef_id , efdef_id ) ,
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/* Entity type is NULL unless the field is an entity field */
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CONSTRAINT ck_efdef_entity CHECK( CASE
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WHEN efdef_type = 'ENTITY' THEN
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efdef_entity IS NOT NULL
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ELSE
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efdef_entity IS NULL
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END ) ,
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/* Make sure the integer flag is set only when the field is numeric */
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CONSTRAINT ck_efdef_numtype CHECK( CASE
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WHEN efdef_type = 'NUMERIC' THEN
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efdef_integer IS NOT NULL
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ELSE
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efdef_integer IS NULL
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END ) ,
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/* Minimal / maximal values only allowed for numerics and raw strings */
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CONSTRAINT ck_efdef_hasminmax CHECK( CASE
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WHEN efdef_type IN ( 'NUMERIC' , 'TEXT' ) THEN
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TRUE
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ELSE
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efdef_min IS NULL AND efdef_max IS NULL
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END ) ,
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/* If both a minimal and maximal values are present, minimal must be lower
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* than maximal.
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*/
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CONSTRAINT ck_efdef_minmaxvalues CHECK( CASE
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WHEN efdef_min IS NULL OR efdef_max IS NULL THEN
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TRUE
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ELSE
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efdef_min < efdef_max
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END )
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);
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ALTER TABLE events.field_definitions
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ADD CONSTRAINT fk_efdef_evdef
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FOREIGN KEY ( evdef_id ) REFERENCES events.event_definitions
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ON DELETE CASCADE;
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GRANT SELECT ON events.field_definitions TO :dbuser;
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/*
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* OLD B6M1 CODE BELOW!
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*/
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CREATE TYPE event_type
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AS ENUM ( 'QUEUE' , 'EMPIRE' , 'FLEETS' , 'PLANET', 'ALLIANCE', 'ADMIN' , 'BUGS' );
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