FTS5ColumnDefinition

The FTS5ColumnDefinition class lets you refine a column of an FTS5 virtual table.

You get instances of this class when you create an FTS5 table:

try db.create(virtualTable: "document", using: FTS5()) { t in
    t.column("content")      // FTS5ColumnDefinition
}

See https://www.sqlite.org/fts5.html