ALTER TABLE domains ADD COLUMN project_id VARCHAR(36) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT 'default';
ALTER TABLE domains ADD COLUMN owner_id VARCHAR(36) NOT NULL DEFAULT '';
ALTER TABLE domains ADD COLUMN created_by VARCHAR(36) NOT NULL DEFAULT '';
ALTER TABLE domains ADD COLUMN updated_by VARCHAR(36) NOT NULL DEFAULT '';
ALTER TABLE servers ADD COLUMN project_id VARCHAR(36) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT 'default';
ALTER TABLE servers ADD COLUMN owner_id VARCHAR(36) NOT NULL DEFAULT '';
ALTER TABLE servers ADD COLUMN created_by VARCHAR(36) NOT NULL DEFAULT '';
ALTER TABLE servers ADD COLUMN updated_by VARCHAR(36) NOT NULL DEFAULT '';
ALTER TABLE domain_servers ADD COLUMN project_id VARCHAR(36) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT 'default';
CREATE UNIQUE INDEX idx_domains_project_id ON domains(project_id, id);
CREATE UNIQUE INDEX idx_servers_project_id ON servers(project_id, id);
CREATE INDEX idx_domain_servers_project ON domain_servers(project_id);
ALTER TABLE domains ADD CONSTRAINT fk_domains_project FOREIGN KEY (project_id) REFERENCES projects(id);
ALTER TABLE servers ADD CONSTRAINT fk_servers_project FOREIGN KEY (project_id) REFERENCES projects(id);
ALTER TABLE domain_servers ADD CONSTRAINT fk_binding_domain_project FOREIGN KEY (project_id, domain_id) REFERENCES domains(project_id, id);
ALTER TABLE domain_servers ADD CONSTRAINT fk_binding_server_project FOREIGN KEY (project_id, server_id) REFERENCES servers(project_id, id);