Select big table very slow
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Key: CORE-5885
URL: http://tracker.firebirdsql.org/browse/CORE-5885
Project: Firebird Core
Issue Type: Bug
Components: API / Client Library, Engine
Affects Versions: 2.5.8
Environment: win10,win2008,win2012
Reporter: richard ding
Hi,
There is a very large table. When the table is queried, if the parameters
carried are not assigned, the query is very slow.
Example:
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