Ying Xie 37b78826ee [updategraph] enhance update graph handling (#3549) ... - after reloading minigraph, write latest version string in the DB. - if old config_db.json file exists, use it and migrate to latest version. - only reload minigraph when config_db.json doesn't exist and minigraph exists. Signed-off-by: Ying Xie <ying.xie@microsoft.com>		2019-10-02 21:04:39 +00:00
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updategraph	[updategraph] enhance update graph handling (#3549)	2019-10-02 21:04:39 +00:00