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Repair array subscript overrun identified by Yichen Xie. Reduce the

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value of MAX_TIME_PRECISION in floating-point-timestamp-storage case
from 13 to 10, which is as much as time_out is actually willing to print.
(The alternative of increasing the number of digits we are willing to
print looks risky; we might find ourselves printing roundoff garbage.)
This commit is contained in:
Tom Lane
2003-01-29 01:08:42 +00:00
parent b8add56ed0
commit 23b8a0ce61
4 changed files with 56 additions and 74 deletions
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15
src/backend/utils/adt/date.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.76 2003/01/22 20:44:20 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.77 2003/01/29 01:08:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -619,7 +619,7 @@ static void
AdjustTimeForTypmod(TimeADT *time, int32 typmod)
{
#ifdef HAVE_INT64_TIMESTAMP
static const int64 TimeScales[MAX_TIMESTAMP_PRECISION + 1] = {
static const int64 TimeScales[MAX_TIME_PRECISION + 1] = {
INT64CONST(1000000),
INT64CONST(100000),
INT64CONST(10000),
@@ -629,7 +629,7 @@ AdjustTimeForTypmod(TimeADT *time, int32 typmod)
INT64CONST(1)
};
static const int64 TimeOffsets[MAX_TIMESTAMP_PRECISION + 1] = {
static const int64 TimeOffsets[MAX_TIME_PRECISION + 1] = {
INT64CONST(500000),
INT64CONST(50000),
INT64CONST(5000),
@@ -640,14 +640,19 @@ AdjustTimeForTypmod(TimeADT *time, int32 typmod)
};
#else
static const double TimeScales[MAX_TIMESTAMP_PRECISION + 1] = {
/* note MAX_TIME_PRECISION differs in this case */
static const double TimeScales[MAX_TIME_PRECISION + 1] = {
1,
10,
100,
1000,
10000,
100000,
1000000
1000000,
10000000,
100000000,
1000000000,
10000000000
};
#endif