@ );
@ CREATE INDEX backlink_src ON backlink(srcid, srctype);
@
@ -- Each attachment is an entry in the following table.  Only
@ -- the most recent attachment (identified by the D card) is saved.
@ --
@ CREATE TABLE attachment(
@   attachid INTEGER PRIMARY KEY,   -- Local id for this attachment
@   isLatest BOOLEAN DEFAULT 0,     -- True if this is the one to use
@   mtime TIMESTAMP,                -- Time when attachment last changed
@   src TEXT,                       -- UUID of the attachment.  NULL to delete
@   target TEXT,                    -- Object attached to
@   target TEXT,                    -- Object attached to. Wikiname or Tkt UUID
@   filename TEXT,                  -- Filename for the attachment
@   comment TEXT,                   -- Comment associated with this attachment
@   user TEXT,                      -- Name of user adding attachment
@   user TEXT                       -- Name of user adding attachment
@   PRIMARY KEY(target, filename)
@ );
@ CREATE INDEX attachment_idx1 ON attachment(target, filename, mtime);
@ CREATE INDEX attachment_idx2 ON attachment(src);
@
@ -- Template for the TICKET table
@ --
@ -- NB: when changing the schema of the TICKET table here, also make the
@ -- same change in tktsetup.c.
@ --
@ CREATE TABLE ticket(