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| author | Micael Karlberg <[email protected]> | 2011-03-25 21:19:05 +0100 |
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| committer | Micael Karlberg <[email protected]> | 2011-03-25 21:19:05 +0100 |
| commit | 5396cae69c23d7d8b7bbd0433c3b31144254c7a9 (patch) | |
| tree | a16e52267f14417155e938ee5f34cc5082efc314 /system/doc/efficiency_guide/tablesDatabases.xml | |
| parent | 143cc965e88ea2486c1e6b804f2ae033e870de2d (diff) | |
| parent | f0e2f0b91ac4d45a64ddac511e0eba9b6ce01e92 (diff) | |
| download | otp-5396cae69c23d7d8b7bbd0433c3b31144254c7a9.tar.gz otp-5396cae69c23d7d8b7bbd0433c3b31144254c7a9.tar.bz2 otp-5396cae69c23d7d8b7bbd0433c3b31144254c7a9.zip | |
Merge branch 'dev' into bmk/snmp/support_ipv6_transport_address
Diffstat (limited to 'system/doc/efficiency_guide/tablesDatabases.xml')
| -rw-r--r-- | system/doc/efficiency_guide/tablesDatabases.xml | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/system/doc/efficiency_guide/tablesDatabases.xml b/system/doc/efficiency_guide/tablesDatabases.xml index 4b53348c4c..2f5103a08b 100644 --- a/system/doc/efficiency_guide/tablesDatabases.xml +++ b/system/doc/efficiency_guide/tablesDatabases.xml @@ -280,9 +280,9 @@ lists:filter(fun(X) -> X#person.name == "Bryan" end, TabList), <p>A simple solution would be to use the <c>name</c> field as the key instead of the <c>idno</c> field, but that would cause problems if the names were not unique. A more general solution - would be create a second table with name as key and idno as - data, i.e. to index (invert) the table with regards to the - <c>name</c> field. The second table would of course have to be + would be to create a second table with <c>name</c> as key and + <c>idno</c> as data, i.e. to index (invert) the table with regards + to the <c>name</c> field. The second table would of course have to be kept consistent with the master table. Mnesia could do this for you, but a home brew index table could be very efficient compared to the overhead involved in using Mnesia.</p> |