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1 | 1 | .\" This is -*-nroff-*- |
2 | 2 | .\" XXX standard disclaimer belongs here.... |
3 | | -.\" $Header: /cvsroot/pgsql/src/man/Attic/libpq.3,v 1.9 1997/11/01 05:21:57 momjian Exp $ |
| 3 | +.\" $Header: /cvsroot/pgsql/src/man/Attic/libpq.3,v 1.10 1997/11/14 15:41:30 thomas Exp $ |
4 | 4 | .TH LIBPQ INTRO 03/12/94 PostgreSQL PostgreSQL |
5 | 5 | .SH DESCRIPTION |
6 | 6 | Libpq is the programmer's interface to Postgres. Libpq is a set of |
@@ -62,6 +62,44 @@ for this realm and use separate ticket files to avoid conflicts with |
62 | 62 | local ticket files. This environment variable is only used if |
63 | 63 | .IKerberos |
64 | 64 | authentication is enabled. |
| 65 | + |
| 66 | +.PP |
| 67 | +The following environment variables can be used to specify user-level default behavior |
| 68 | +for every Postgres session: |
| 69 | +.sp |
| 70 | +\(bu |
| 71 | +.BPGDATESTYLE |
| 72 | +sets the default style of date/time representation. |
| 73 | +.sp |
| 74 | +\(bu |
| 75 | +.BPGTZ |
| 76 | +sets the default time zone. |
| 77 | + |
| 78 | +.PP |
| 79 | +The following environment variables can be used to specify default internal |
| 80 | +behavior for every Postgres session: |
| 81 | +.sp |
| 82 | +\(bu |
| 83 | +.BPGGEQO |
| 84 | +sets the default mode for the genetic optimizer. |
| 85 | +.sp |
| 86 | +\(bu |
| 87 | +.BPGRPLANS |
| 88 | +sets the default mode to allow or disable right-sided plans in the optimizer. |
| 89 | +.sp |
| 90 | +\(bu |
| 91 | +.BPGCOSTHEAP |
| 92 | +sets the default cost for heap searches for the optimizer. |
| 93 | +.sp |
| 94 | +\(bu |
| 95 | +.BPGCOSTINDEX |
| 96 | +sets the default cost for indexed searches for the optimizer. |
| 97 | + |
| 98 | +.PP |
| 99 | +See the |
| 100 | +set(l) |
| 101 | +man page for information on the arguments for these environment variables. |
| 102 | + |
65 | 103 | .SH "Database Connection Functions" |
66 | 104 | .PP |
67 | 105 | The following routines deal with making a connection to a backend |
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