176 lines
No EOL
3.7 KiB
SQL
176 lines
No EOL
3.7 KiB
SQL
-- LegacyWorlds Beta 6
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-- PostgreSQL database scripts
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--
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-- Empires and alliances
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--
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-- Copyright(C) 2004-2010, DeepClone Development
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-- --------------------------------------------------------
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--
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-- Empires
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--
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CREATE TABLE emp.empires(
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name_id INT NOT NULL PRIMARY KEY ,
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cash REAL NOT NULL
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CHECK( cash >= 0 ),
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debt REAL NOT NULL DEFAULT 0
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CHECK( debt >= 0)
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);
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ALTER TABLE emp.empires
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ADD CONSTRAINT fk_empires_name
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FOREIGN KEY (name_id) REFERENCES naming.empire_names;
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--
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-- Empire technologies
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--
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CREATE TABLE emp.technologies(
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empire_id INT NOT NULL ,
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line_id INT NOT NULL ,
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level INT NOT NULL DEFAULT 1
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CHECK( level > 0 ) ,
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accumulated REAL NOT NULL DEFAULT 0
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CHECK( accumulated >= 0 ),
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PRIMARY KEY( empire_id , line_id )
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);
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CREATE INDEX idx_technologies_line
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ON emp.technologies (line_id);
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ALTER TABLE emp.technologies
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ADD CONSTRAINT fk_technologies_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_technologies_line
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FOREIGN KEY (line_id) REFERENCES tech.lines;
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--
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-- Empire planets
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--
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CREATE TABLE emp.planets(
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planet_id INT NOT NULL PRIMARY KEY ,
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empire_id INT NOT NULL
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);
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CREATE INDEX idx_planets_empire
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ON emp.planets (empire_id);
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ALTER TABLE emp.planets
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ADD CONSTRAINT fk_eplanets_planet
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FOREIGN KEY (planet_id) REFERENCES verse.planets ,
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ADD CONSTRAINT fk_eplanets_empire
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FOREIGN KEY (empire_id) REFERENCES emp.empires
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ON DELETE CASCADE;
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--
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-- Planets being abandonned
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--
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CREATE TABLE emp.abandon(
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planet_id INT NOT NULL PRIMARY KEY ,
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time_left INT NOT NULL CHECK ( time_left > 0 )
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);
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CREATE INDEX idx_abandon_ready
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ON emp.abandon ( ( time_left = 1 ) );
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ALTER TABLE emp.abandon
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ADD CONSTRAINT fk_abandon_planet
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FOREIGN KEY (planet_id) REFERENCES emp.planets
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ON DELETE CASCADE;
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--
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-- Alliances
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--
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CREATE TABLE emp.alliances(
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id SERIAL NOT NULL PRIMARY KEY ,
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tag VARCHAR(5) NOT NULL ,
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name VARCHAR(128) NOT NULL ,
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leader_id INT NOT NULL
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);
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CREATE UNIQUE INDEX idx_alliances_tag
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ON emp.alliances ( lower(tag) );
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CREATE UNIQUE INDEX idx_alliances_leader
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ON emp.alliances (leader_id);
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ALTER TABLE emp.alliances
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ADD CONSTRAINT fk_alliances_leader
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FOREIGN KEY (leader_id) REFERENCES emp.empires
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ON DELETE CASCADE;
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--
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-- Alliance membership
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--
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CREATE TABLE emp.alliance_members(
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empire_id INT NOT NULL PRIMARY KEY ,
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alliance_id INT NOT NULL ,
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is_pending BOOLEAN NOT NULL
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DEFAULT TRUE
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);
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CREATE INDEX idx_alliancemembers_alliance
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ON emp.alliance_members( alliance_id );
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ALTER TABLE emp.alliance_members
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ADD CONSTRAINT fk_alliancemembers_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_alliancemembers_alliance
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FOREIGN KEY (alliance_id) REFERENCES emp.alliances
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ON DELETE CASCADE;
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--
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-- Enemy lists, alliances
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--
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CREATE TABLE emp.enemy_alliances(
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empire_id INT NOT NULL ,
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alliance_id INT NOT NULL ,
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PRIMARY KEY (empire_id,alliance_id)
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);
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CREATE INDEX idx_enemyalliances_alliance
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ON emp.enemy_alliances (alliance_id);
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ALTER TABLE emp.enemy_alliances
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ADD CONSTRAINT fk_enemyalliances_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_enemyalliances_alliance
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FOREIGN KEY (alliance_id) REFERENCES emp.alliances
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ON DELETE CASCADE;
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--
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-- Enemy lists, empires
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--
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CREATE TABLE emp.enemy_empires(
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empire_id INT NOT NULL ,
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enemy_id INT NOT NULL ,
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PRIMARY KEY (empire_id,enemy_id)
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);
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CREATE INDEX idx_enemyempires_enemy
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ON emp.enemy_empires (enemy_id);
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ALTER TABLE emp.enemy_empires
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ADD CONSTRAINT fk_enemyempires_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_enemyempires_enemy
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FOREIGN KEY (enemy_id) REFERENCES emp.empires
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ON DELETE CASCADE; |