Added UWS table

CREATE TYPE job_phase_enum AS ENUM ('PENDING', 'QUEUED', 'EXECUTING', 'ABORTED', 'COMPLETED', 'HELD', 'SUSPENDED', 'ERROR', 'ARCHIVED');

CREATE TYPE job_type_enum AS ENUM ('pushToVoSpace', 'pullToVoSpace', 'pullFromVoSpace', 'pushFromVoSpace', 'moveNode', 'copyNode');

CREATE TABLE job (

    job_id varchar not null,

    owner_id varchar not null,

    job_type job_type_enum not null,

    phase job_phase_enum not null,

    start_time timestamp,

    end_time timestamp,

    job_info jsonb,

    results jsonb,

    primary key(job_id)

);

CREATE INDEX owner_idx ON job USING btree(owner_id);