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44 lines
1.2 KiB
Plaintext
44 lines
1.2 KiB
Plaintext
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Miscellaneous utility functions for PostgreSQL.
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Copyright (C) 1999, Massimo Dal Zotto <dz@cs.unitn.it>
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This software is distributed under the GNU General Public License
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either version 2, or (at your option) any later version.
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query_limit(n)
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sets a limit on the maximum numbers of query returned from
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a backend. It can be used to limit the result size retrieved
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by the application for poor input data or to avoid accidental
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table product while playying with sql.
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backend_pid()
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return the pid of our corresponding backend.
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unlisten(relname)
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unlisten from a relation or from all relations if the argument
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is null, empty or '*'.
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It is now obsoleted by the new unlisten command but still useful
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if you want unlisten a name computed by the query.
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Note that a listen/notify relname can be any ascii string, not
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just valid relation names.
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min(x,y)
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max(x,y)
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return the min or max bteween two integers.
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assert_enable(bool)
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enable/disable assert checkings in the backend, if it has been
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compiled with USE_ASSERT_CHECKING.
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assert_test(bool)
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test the assert enable/disable code, if the backend has been
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compiled with ASSERT_CHECKING_TEST.
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--
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Massimo Dal Zotto <dz@cs.unitn.it>
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