helpers/database_postgresql8_tmpl.sql
author František Kučera <franta-hg@frantovo.cz>
Thu Oct 13 03:09:22 2011 +0200 (2011-10-13)
changeset 75 41d6c0cac8b3
parent 1 6fceb66e1ad7
permissions -rwxr-xr-x
Drupal: číštění HTML – Tidy.
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/*
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  Create a database at first:
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    CREATE DATABASE sonews ENCODING 'UTF8';
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*/
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/* 
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  flags:
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  If bit 0 is set, groups is a mirrorred mailing list. 
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  If not set default newsgroup.
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  Normalization: 1NF, 2NF, 3NF
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*/
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CREATE TABLE groups 
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(
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  group_id      SERIAL,
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  name          VARCHAR(80) NOT NULL,
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  flags         SMALLINT DEFAULT 0,
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  PRIMARY KEY(group_id),
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  UNIQUE(name)
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);
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CREATE TABLE articles 
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(
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  article_id    INT,
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  body          BYTEA,
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  PRIMARY KEY(article_id)
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);
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CREATE TABLE article_ids
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(
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  article_id  INT REFERENCES articles(article_id) ON DELETE CASCADE,
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  message_id  VARCHAR(255),
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  PRIMARY KEY(article_id),
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  UNIQUE(message_id)
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);
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CREATE TABLE headers
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(
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  article_id    INT REFERENCES articles(article_id) ON DELETE CASCADE,
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  header_key    VARCHAR(255),
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  header_value  TEXT,
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  header_index  INT,
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  PRIMARY KEY(article_id, header_key, header_index)
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);
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/*
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  Normalization: 1NF, 2NF
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*/
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CREATE TABLE postings 
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(
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  group_id      INTEGER,
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  article_id    INTEGER REFERENCES articles (article_id) ON DELETE CASCADE,
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  article_index INTEGER NOT NULL, 
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  PRIMARY KEY(group_id, article_id)
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);
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/* 
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  Table for association of newsgroups and mailing-lists 
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  Normalization: 1NF, 2NF, 3NF
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*/
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CREATE TABLE groups2list
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(
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  group_id   INTEGER REFERENCES groups(group_id) ON DELETE CASCADE,
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  listaddress VARCHAR(255),
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  PRIMARY KEY(group_id, listaddress)
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);
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CREATE INDEX listaddress_key ON groups2list USING btree(listaddress);
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/* 
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  Configuration table, containing key/value pairs 
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  Normalization: 1NF, 2NF, 3NF
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*/
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CREATE TABLE config
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(
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  config_key     VARCHAR(255),
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  config_value   TEXT,
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  PRIMARY KEY(config_key)
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);
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/* 
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  Newsserver peers 
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  Normalization: 1NF (atomic values), 2NF
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*/
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CREATE TABLE peers
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(
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  peer_id     SERIAL,
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  host        VARCHAR(255),
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  port        SMALLINT,
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  PRIMARY KEY(peer_id),
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  UNIQUE(host, port)
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);
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/* 
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  List of newsgroups to feed into sonews 
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  Normalization: 1NF, 2NF, 3NF
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*/
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CREATE TABLE peer_subscriptions
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(
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  peer_id    INTEGER REFERENCES peers (peer_id) ON DELETE CASCADE, 
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  group_id   INTEGER REFERENCES groups (group_id) ON DELETE CASCADE,
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  feedtype   SMALLINT DEFAULT 0, /* 0: pullfeed; 1: pushfeed */
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  PRIMARY KEY(peer_id, group_id, feedtype)
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);
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/* 
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   Tables for server event statistics
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   Possible statistic keys:
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   1=CONNECTIONS     (active connections)
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   2=POSTED_NEWS     (directly to the server posted unique messages)
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   3=GATEWAYED_NEWS  (posted unique message gateways through the ML-gateway)
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   4=FEEDED_NEWS     (unique messages feed via NNTP)
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   The server will create snapshots of the above data.
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   Normalization: 1NF, 2NF
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*/
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CREATE TABLE events
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(
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  event_time         BIGINT,   /* time of this snapshot */
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  event_key          SMALLINT,  /* which data */
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  group_id           INT REFERENCES groups(group_id) ON DELETE CASCADE,
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  PRIMARY KEY(event_time, event_key)
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);