Displaying 1 result from an estimated 1 matches for "file_modifi".
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file_modified
2006 Mar 28
1
Efficiently convert this SQL statement to ActiveRecord loop
...:
COMPUTER <- belongs_to / has_many => CONFIGRATIONS <= has_many /
belongs_to -> ITEMS
I have another table called SNAPSHOT that has:
table.column :computername, :string
table.column :dirname, :string
table.column :filename, :string
table.column :file_modified, :datetime
Issues:
* CONFIGURATIONS and SNAPSHOT both have about 500 millions rows
The goal:
* Add configurations based on the the snapshot that do not
currently exists
* Delete configurations that do not exists in the current snapshot
* Update configuration that have a file_mod...