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Increase the maximum value of extra_float_digits to 3, and have pg_dump
use that value when the backend is new enough to allow it. This responds to bug report from Keh-Cheng Chu pointing out that although 2 extra digits should be sufficient to dump and restore float8 exactly, it is possible to need 3 extra digits for float4 values.
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@ -10,7 +10,7 @@
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* Written by Peter Eisentraut <peter_e@gmx.net>.
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.516 2009/09/08 17:08:36 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.517 2009/09/11 19:17:03 tgl Exp $
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*
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*--------------------------------------------------------------------
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*/
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@ -1684,7 +1684,7 @@ static struct config_int ConfigureNamesInt[] =
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"(FLT_DIG or DBL_DIG as appropriate).")
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},
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&extra_float_digits,
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0, -15, 2, NULL, NULL
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0, -15, 3, NULL, NULL
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},
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{
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