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Little fix for round() function

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Jan
This commit is contained in:
Jan Wieck
1999-01-04 11:20:33 +00:00
parent 9f65dfeefa
commit e3a5ac283b
1 changed files with 5 additions and 2 deletions
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7
src/backend/utils/adt/numeric.c
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@ -5,7 +5,7 @@
* *
* 1998 Jan Wieck * 1998 Jan Wieck
* *
* $Header: /cvsroot/pgsql/src/backend/utils/adt/numeric.c,v 1.5 1999/01/03 05:30:47 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/adt/numeric.c,v 1.6 1999/01/04 11:20:33 wieck Exp $
* *
* ---------- * ----------
*/ */
@ -523,6 +523,7 @@ Numeric
numeric_round(Numeric num, int32 scale) numeric_round(Numeric num, int32 scale)
{ {
int32 typmod; int32 typmod;
int precision;
/* ---------- /* ----------
* Handle NULL * Handle NULL
@ -553,7 +554,9 @@ numeric_round(Numeric num, int32 scale)
* Let numeric() and in turn apply_typmod() do the job * Let numeric() and in turn apply_typmod() do the job
* ---------- * ----------
*/ */
typmod = (((num->n_weight + scale + 1) << 16) | scale) + VARHDRSZ; precision = MAX(0, num->n_weight) + scale;
precision = MIN(precision, NUMERIC_MAX_PRECISION);
typmod = (((precision + 2) << 16) | scale) + VARHDRSZ;
return numeric(num, typmod); return numeric(num, typmod);
} }