CREATE TABLE task_records (
    id            BIGSERIAL PRIMARY KEY,
    tenant_id     BIGINT NOT NULL REFERENCES tenants(id),
    task_type     VARCHAR(50) NOT NULL,
    resource_type VARCHAR(50) NOT NULL,
    resource_id   BIGINT NOT NULL,
    status        VARCHAR(20) NOT NULL DEFAULT 'pending',
    retry_count   INT NOT NULL DEFAULT 0,
    task_batch_id VARCHAR(100),
    error_message TEXT,
    created_at    TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at    TIMESTAMPTZ NOT NULL DEFAULT NOW()
);
CREATE INDEX idx_task_record_status_type ON task_records(status, task_type);