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Add extra_float_digits GUC parameter to allow adjustment of displayed

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precision for float4, float8, and geometric types.  Set it in pg_dump
so that float data can be dumped/reloaded exactly (at least on platforms
where the float I/O support is properly implemented).  Initial patch by
Pedro Ferreira, some additional work by Tom Lane.
This commit is contained in:
Tom Lane
2002-11-08 17:37:52 +00:00
parent fef731d1c4
commit d2c744aa56
8 changed files with 107 additions and 39 deletions
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7
src/backend/utils/misc/guc.c
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@ -5,7 +5,7 @@
* command, configuration file, and command line options.
* See src/backend/utils/misc/README for more information.
*
* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.99 2002/11/01 22:52:33 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.100 2002/11/08 17:37:52 tgl Exp $
*
* Copyright 2000 by PostgreSQL Global Development Group
* Written by Peter Eisentraut <peter_e@gmx.net>.
@ -680,6 +680,11 @@ static struct config_int
5, 1, 1000, NULL, NULL
},
{
{"extra_float_digits", PGC_USERSET}, &extra_float_digits,
0, -15, 2, NULL, NULL
},
{
{NULL, 0}, NULL, 0, 0, 0, NULL, NULL
}