txdb database schema

txdb.sql

    alter table TX_SYMBOL 
        drop constraint TX_SYMBOL_QUOTABLE_ID_FK;

    alter table TX_SYMBOL 
        drop constraint TX_SYMBOL_SERIES_ID_FK;

    alter table TX_SYMBOL_SERIES 
        drop constraint TX_SYMBOL_SERIES_AGENT_ID_FK;

    drop table TX_AGENT cascade;

    drop table TX_QUOTABLE cascade;

    drop table TX_SYMBOL cascade;

    drop table TX_SYMBOL_SERIES cascade;

    drop sequence TX_AGENT_SEQUENCE;

    drop sequence TX_QUOTABLE_SEQUENCE;

    drop sequence TX_SYMBOL_SEQUENCE;

    drop sequence TX_SYMBOL_SERIES_SEQUENCE;

    create table TX_AGENT (
        ID int4 not null,
        DESCRIPTION varchar(255) not null,
        NAME varchar(64) not null unique,
        primary key (ID)
    );

    create table TX_QUOTABLE (
        TX_TYPE varchar(31) not null,
        ID int4 not null,
        DESCRIPTION varchar(255) not null,
        NAME varchar(64) not null unique,
        primary key (ID)
    );

    create table TX_SYMBOL (
        ID int4 not null,
        TOKEN varchar(64) not null,
        QUOTABLE_ID int4 not null,
        SERIES_ID int4 not null,
        primary key (ID),
        unique (QUOTABLE_ID, SERIES_ID),
        unique (TOKEN, SERIES_ID)
    );

    create table TX_SYMBOL_SERIES (
        ID int4 not null,
        DESCRIPTION varchar(255) not null,
        NAME varchar(64) not null unique,
        AGENT_ID int4 not null,
        primary key (ID)
    );

    create index TX_AGENT_IDX on TX_AGENT (NAME);

    create index TX_QUOTABLE_NAME_INDEX on TX_QUOTABLE (NAME);

    create index TX_SYMBOL_TOKEN_INDEX on TX_SYMBOL (TOKEN);

    alter table TX_SYMBOL 
        add constraint TX_SYMBOL_QUOTABLE_ID_FK 
        foreign key (QUOTABLE_ID) 
        references TX_QUOTABLE;

    alter table TX_SYMBOL 
        add constraint TX_SYMBOL_SERIES_ID_FK 
        foreign key (SERIES_ID) 
        references TX_SYMBOL_SERIES;

    create index TX_SYMBOL_SOURCE_NAME_IDX on TX_SYMBOL_SERIES (NAME);

    alter table TX_SYMBOL_SERIES 
        add constraint TX_SYMBOL_SERIES_AGENT_ID_FK 
        foreign key (AGENT_ID) 
        references TX_AGENT;

    create sequence TX_AGENT_SEQUENCE;

    create sequence TX_QUOTABLE_SEQUENCE;

    create sequence TX_SYMBOL_SEQUENCE;

    create sequence TX_SYMBOL_SERIES_SEQUENCE;