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Annotation of mqtt/etc/mqtt_pub.sql, revision 1.1.2.8

1.1.2.1   misho       1: PRAGMA foreign_keys=ON;
                      2: BEGIN TRANSACTION;
1.1.2.6   misho       3: CREATE TABLE IF NOT EXISTS Online (
1.1.2.8 ! misho       4: Username varchar(12) not null,
        !             5: ConnID varchar(23) not null, 
1.1.2.1   misho       6: RemoteHost varchar(64) not null,
1.1.2.3   misho       7: RemotePort smallint unsigned not null,
1.1.2.8 ! misho       8: WillFlag tinyint not null,
        !             9: WillTopic text,
        !            10: WillMsg text,
        !            11: WillQoS tinyint,
        !            12: WillRetain tinyint,
1.1.2.1   misho      13: Stamp timestamp);
1.1.2.6   misho      14: CREATE TABLE IF NOT EXISTS Topics (
1.1.2.1   misho      15: id integer not null primary key,
1.1.2.8 ! misho      16: MsgID smallint unsigned not null, 
1.1.2.2   misho      17: Retain char not null,
1.1.2.1   misho      18: Topic varchar(255) not null,
                     19: Value text,
                     20: PubUser varchar(64) not null,
                     21: PubDate datetime not null,
                     22: PubHost varchar(64) not null,
                     23: Stamp timestamp);
1.1.2.6   misho      24: CREATE INDEX IF NOT EXISTS RemoteHost on Online (RemoteHost);
                     25: CREATE INDEX IF NOT EXISTS Username on Online (Username);
1.1.2.8 ! misho      26: CREATE INDEX IF NOT EXISTS ConnID on Online (ConnID);
        !            27: CREATE UNIQUE INDEX IF NOT EXISTS User on Online (Username, ConnID, RemoteHost);
1.1.2.6   misho      28: CREATE INDEX IF NOT EXISTS PubDate on Topics (PubDate);
                     29: CREATE INDEX IF NOT EXISTS PubHost on Topics (PubHost);
                     30: CREATE INDEX IF NOT EXISTS PubUser on Topics (PubUser);
1.1.2.8 ! misho      31: CREATE INDEX IF NOT EXISTS MsgID on Topics (MsgID);
1.1.2.6   misho      32: CREATE INDEX IF NOT EXISTS Topic on Topics (Topic);
                     33: CREATE TRIGGER IF NOT EXISTS Online_update_t AFTER UPDATE ON Online
1.1.2.5   misho      34: BEGIN
1.1.2.7   misho      35:        UPDATE Online SET Stamp = strftime('%s', 'now') WHERE Username = old.Username;
1.1.2.5   misho      36: END;
1.1.2.6   misho      37: CREATE TRIGGER IF NOT EXISTS Online_insert_t AFTER INSERT ON Online
1.1.2.5   misho      38: BEGIN
1.1.2.7   misho      39:        UPDATE Online SET Stamp = strftime('%s', 'now') WHERE Username = new.Username;
1.1.2.5   misho      40: END;
1.1.2.6   misho      41: CREATE TRIGGER IF NOT EXISTS Topics_update_t AFTER UPDATE ON Topics
1.1.2.5   misho      42: BEGIN
1.1.2.7   misho      43:        UPDATE Topics SET Stamp = strftime('%s', 'now') WHERE id = old.id;
1.1.2.5   misho      44: END;
1.1.2.6   misho      45: CREATE TRIGGER IF NOT EXISTS Topics_insert_t AFTER INSERT ON Topics
1.1.2.5   misho      46: BEGIN
1.1.2.7   misho      47:        UPDATE Topics SET Stamp = strftime('%s', 'now') WHERE id = new.id;
1.1.2.5   misho      48: END;
1.1.2.1   misho      49: COMMIT;