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Diffstat (limited to 'contrib/miscutil/README')
| -rw-r--r-- | contrib/miscutil/README | 43 |
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diff --git a/contrib/miscutil/README b/contrib/miscutil/README new file mode 100644 index 0000000000..903455513a --- /dev/null +++ b/contrib/miscutil/README @@ -0,0 +1,43 @@ +Miscellaneous utility functions for PostgreSQL. +Copyright (C) 1999, Massimo Dal Zotto <dz@cs.unitn.it> + +This software is distributed under the GNU General Public License +either version 2, or (at your option) any later version. + +query_limit(n) + + sets a limit on the maximum numbers of query returned from + a backend. It can be used to limit the result size retrieved + by the application for poor input data or to avoid accidental + table product while playying with sql. + +backend_pid() + + return the pid of our corresponding backend. + +unlisten(relname) + + unlisten from a relation or from all relations if the argument + is null, empty or '*'. + It is now obsoleted by the new unlisten command but still useful + if you want unlisten a name computed by the query. + Note that a listen/notify relname can be any ascii string, not + just valid relation names. + +min(x,y) +max(x,y) + + return the min or max bteween two integers. + +assert_enable(bool) + + enable/disable assert checkings in the backend, if it has been + compiled with USE_ASSERT_CHECKING. + +assert_test(bool) + + test the assert enable/disable code, if the backend has been + compiled with ASSERT_CHECKING_TEST. + +-- +Massimo Dal Zotto <dz@cs.unitn.it> |