Improve performance of database build script

The remainder of the build script has been converted to use
`bulk_create()`. Running the build script on my machine with a
PostgresQL database took only 5 minutes 40 seconds, and with
SQLite 26 minutes 18 seconds.
This commit is contained in:
Charles Marttinen 2018-09-07 15:06:34 -04:00 committed by Tim Malone
parent def70662f1
commit 9d4f893a69

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