DROP TABLE IF EXISTS tm;
CREATE TABLE tm (
    id SERIAL PRIMARY KEY,
    source_lang_id integer,
    target_lang_id integer,
    name varchar(40),
    lemmatized bool DEFAULT false,
    paired_tm_id integer
);

DROP TABLE IF EXISTS request;
CREATE TABLE request (
    id SERIAL PRIMARY KEY,
    source_file_path varchar(100),
    target_file_path varchar(100),
    source_lang_id integer,
    target_lang_id integer,
    name varchar(40),
    status integer,
    type integer,
    tm_id integer,
    created timestamp default now()
);


DROP TABLE IF EXISTS language;
CREATE TABLE language (
    id SERIAL PRIMARY KEY,
    code varchar(10),
    name varchar(30)
);

DROP TABLE IF EXISTS unit;
CREATE TABLE unit (
    id SERIAL PRIMARY KEY,
    tm_id integer,
    source_id integer,
    source_segment text,
    target_segment text,
    source_tokens integer[],
    target_tokens integer[],
    alignments text
);

CREATE INDEX ON unit(tm_id);
CREATE INDEX ON unit(source_id);

DROP TABLE IF EXISTS source;
CREATE TABLE source (
    id SERIAL PRIMARY KEY,
    external_id integer,
    name text,
    link text
);

CREATE INDEX ON source(external_id);