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Fix several possibly non-portable gaffs in record_image_ops.

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Sparc machines in the buildfarm were made happy by the previous
fix, but PowerPC machines still are still failing.  Hopefully this
will cure that.
This commit is contained in:
Kevin Grittner 2013-10-11 13:02:52 -05:00
parent ada01014d4
commit 4cbb646334
1 changed files with 75 additions and 9 deletions
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84
src/backend/utils/adt/rowtypes.c
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@ -898,8 +898,6 @@ record_cmp(FunctionCallInfo fcinfo)
{
TypeCacheEntry *typentry;
Oid collation;
FunctionCallInfoData locfcinfo;
int32 cmpresult;
/*
* Skip dropped columns
@ -959,6 +957,9 @@ record_cmp(FunctionCallInfo fcinfo)
*/
if (!nulls1[i1] || !nulls2[i2])
{
FunctionCallInfoData locfcinfo;
int32 cmpresult;
if (nulls1[i1])
{
/* arg1 is greater than arg2 */
@ -1295,12 +1296,12 @@ btrecordcmp(PG_FUNCTION_ARGS)
* identical. As an example, for the citext type 'A' and 'a' are equal, but
* they are not identical.
*/
static bool
record_image_cmp(PG_FUNCTION_ARGS)
static int
record_image_cmp(FunctionCallInfo fcinfo)
{
HeapTupleHeader record1 = PG_GETARG_HEAPTUPLEHEADER(0);
HeapTupleHeader record2 = PG_GETARG_HEAPTUPLEHEADER(1);
int32 result = 0;
int result = 0;
Oid tupType1;
Oid tupType2;
int32 tupTypmod1;
@ -1418,6 +1419,12 @@ record_image_cmp(PG_FUNCTION_ARGS)
format_type_be(tupdesc2->attrs[i2]->atttypid),
j + 1)));
/*
* The same type should have the same length (or both should be variable).
*/
Assert(tupdesc1->attrs[i1]->attlen ==
tupdesc2->attrs[i2]->attlen);
/*
* We consider two NULLs equal; NULL > not-NULL.
*/
@ -1453,7 +1460,7 @@ record_image_cmp(PG_FUNCTION_ARGS)
cmpresult = memcmp(VARDATA_ANY(arg1val),
VARDATA_ANY(arg2val),
len1 - VARHDRSZ);
Min(len1, len2) - VARHDRSZ);
if ((cmpresult == 0) && (len1 != len2))
cmpresult = (len1 < len2) ? -1 : 1;
@ -1464,8 +1471,45 @@ record_image_cmp(PG_FUNCTION_ARGS)
}
else if (tupdesc1->attrs[i1]->attbyval)
{
if (values1[i1] != values2[i2])
cmpresult = (values1[i1] < values2[i2]) ? -1 : 1;
switch (tupdesc1->attrs[i1]->attlen)
{
case 1:
if (GET_1_BYTE(values1[i1]) !=
GET_1_BYTE(values2[i2]))
{
cmpresult = (GET_1_BYTE(values1[i1]) <
GET_1_BYTE(values2[i2])) ? -1 : 1;
}
break;
case 2:
if (GET_2_BYTES(values1[i1]) !=
GET_2_BYTES(values2[i2]))
{
cmpresult = (GET_2_BYTES(values1[i1]) <
GET_2_BYTES(values2[i2])) ? -1 : 1;
}
break;
case 4:
if (GET_4_BYTES(values1[i1]) !=
GET_4_BYTES(values2[i2]))
{
cmpresult = (GET_4_BYTES(values1[i1]) <
GET_4_BYTES(values2[i2])) ? -1 : 1;
}
break;
#if SIZEOF_DATUM == 8
case 8:
if (GET_8_BYTES(values1[i1]) !=
GET_8_BYTES(values2[i2]))
{
cmpresult = (GET_8_BYTES(values1[i1]) <
GET_8_BYTES(values2[i2])) ? -1 : 1;
}
break;
#endif
default:
Assert(false); /* cannot happen */
}
}
else
{
@ -1694,7 +1738,29 @@ record_image_eq(PG_FUNCTION_ARGS)
}
else if (tupdesc1->attrs[i1]->attbyval)
{
result = (values1[i1] == values2[i2]);
switch (tupdesc1->attrs[i1]->attlen)
{
case 1:
result = (GET_1_BYTE(values1[i1]) ==
GET_1_BYTE(values2[i2]));
break;
case 2:
result = (GET_2_BYTES(values1[i1]) ==
GET_2_BYTES(values2[i2]));
break;
case 4:
result = (GET_4_BYTES(values1[i1]) ==
GET_4_BYTES(values2[i2]));
break;
#if SIZEOF_DATUM == 8
case 8:
result = (GET_8_BYTES(values1[i1]) ==
GET_8_BYTES(values2[i2]));
break;
#endif
default:
Assert(false); /* cannot happen */
}
}
else
{