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author | Sean Griffin <sean@thoughtbot.com> | 2015-01-01 09:33:03 -0700 |
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committer | Sean Griffin <sean@thoughtbot.com> | 2015-01-01 09:33:03 -0700 |
commit | 3fd78fc569077b3b844fea2cfc0e3115fef4c2ac (patch) | |
tree | 329ea3953920990b22b6bf37b47643bb0066d710 /activerecord/lib/active_record/migration/join_table.rb | |
parent | c5e5dbed1c2f9af86f737e672ec9af1415571165 (diff) | |
download | rails-3fd78fc569077b3b844fea2cfc0e3115fef4c2ac.tar.gz rails-3fd78fc569077b3b844fea2cfc0e3115fef4c2ac.tar.bz2 rails-3fd78fc569077b3b844fea2cfc0e3115fef4c2ac.zip |
Don't load an entire table into memory to copy it on SQLite
SQL has mechanisms we can use to copy data from one table into another.
Diffstat (limited to 'activerecord/lib/active_record/migration/join_table.rb')
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