unleash-server/dist/migrations/20260316140000-safeguards-fix-cascade-on-env-disconnect.js

Unleash is an enterprise ready feature flag service. It provides different strategies for handling feature flags.

"use strict";
exports.up = function (db, cb) {
    db.runSql(`
        ALTER TABLE feature_environment_safeguards
            DROP CONSTRAINT IF EXISTS feature_environment_safeguards_environment_feature_name_fkey;

        ALTER TABLE feature_environment_safeguards
            ADD CONSTRAINT feature_environment_safeguards_feature_name_fkey
            FOREIGN KEY (feature_name) REFERENCES features(name) ON DELETE CASCADE;

        ALTER TABLE feature_environment_safeguards
            ADD CONSTRAINT feature_environment_safeguards_environment_fkey
            FOREIGN KEY (environment) REFERENCES environments(name) ON DELETE CASCADE;

        ALTER TABLE release_plan_safeguards
            DROP CONSTRAINT IF EXISTS release_plan_safeguards_environment_feature_name_fkey;

        ALTER TABLE release_plan_safeguards
            ADD CONSTRAINT release_plan_safeguards_feature_name_fkey
            FOREIGN KEY (feature_name) REFERENCES features(name) ON DELETE CASCADE;

        ALTER TABLE release_plan_safeguards
            ADD CONSTRAINT release_plan_safeguards_environment_fkey
            FOREIGN KEY (environment) REFERENCES environments(name) ON DELETE CASCADE;
        `, cb);
};
exports.down = function (db, cb) {
    db.runSql(`
        ALTER TABLE feature_environment_safeguards
            DROP CONSTRAINT feature_environment_safeguards_environment_fkey;

        ALTER TABLE feature_environment_safeguards
            DROP CONSTRAINT feature_environment_safeguards_feature_name_fkey;

        ALTER TABLE feature_environment_safeguards
            ADD CONSTRAINT feature_environment_safeguards_environment_feature_name_fkey
            FOREIGN KEY (environment, feature_name)
            REFERENCES feature_environments(environment, feature_name)
            ON DELETE CASCADE;

        ALTER TABLE release_plan_safeguards
            DROP CONSTRAINT release_plan_safeguards_environment_fkey;

        ALTER TABLE release_plan_safeguards
            DROP CONSTRAINT release_plan_safeguards_feature_name_fkey;

        ALTER TABLE release_plan_safeguards
            ADD CONSTRAINT release_plan_safeguards_environment_feature_name_fkey
            FOREIGN KEY (environment, feature_name)
            REFERENCES feature_environments(environment, feature_name)
            ON DELETE CASCADE;
        `, cb);
};
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