Procs
proc changeColumn(self: SqliteSchema; isReset: bool) {. ...raises: [DbError, ValueError, Exception, OSError, KeyError, RegexError], tags: [ RootEffect, TimeEffect, WriteDirEffect, ReadDirEffect, ReadIOEffect, WriteIOEffect, ReadDbEffect].}
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- create tmp table with new column difinition
- copy data from old table to tmp table
- delete old table
- rename tmp table name to old table name