</table>
<para>
- Hash indexes require one support function, shown in <xref
+ Hash indexes require one support function, and allow a second one to be
+ supplied at the operator class author's option, as shown in <xref
linkend="xindex-hash-support-table">.
</para>
</thead>
<tbody>
<row>
- <entry>Compute the hash value for a key</entry>
+ <entry>Compute the 32-bit hash value for a key</entry>
<entry>1</entry>
</row>
+ <row>
+ <entry>
+ Compute the 64-bit hash value for a key given a 64-bit salt; if
+ the salt is 0, the low 32 bits will match the value that would
+ have been computed by function 1
+ </entry>
+ <entry>2</entry>
+ </row>
</tbody>
</tgroup>
</table>
return hash_uint32((int32) PG_GETARG_CHAR(0));
}
+Datum
+hashcharextended(PG_FUNCTION_ARGS)
+{
+ return hash_uint32_extended((int32) PG_GETARG_CHAR(0), PG_GETARG_INT64(1));
+}
+
Datum
hashint2(PG_FUNCTION_ARGS)
{
return hash_uint32((int32) PG_GETARG_INT16(0));
}
+Datum
+hashint2extended(PG_FUNCTION_ARGS)
+{
+ return hash_uint32_extended((int32) PG_GETARG_INT16(0), PG_GETARG_INT64(1));
+}
+
Datum
hashint4(PG_FUNCTION_ARGS)
{
return hash_uint32(PG_GETARG_INT32(0));
}
+Datum
+hashint4extended(PG_FUNCTION_ARGS)
+{
+ return hash_uint32_extended(PG_GETARG_INT32(0), PG_GETARG_INT64(1));
+}
+
Datum
hashint8(PG_FUNCTION_ARGS)
{
return hash_uint32(lohalf);
}
+Datum
+hashint8extended(PG_FUNCTION_ARGS)
+{
+ /* Same approach as hashint8 */
+ int64 val = PG_GETARG_INT64(0);
+ uint32 lohalf = (uint32) val;
+ uint32 hihalf = (uint32) (val >> 32);
+
+ lohalf ^= (val >= 0) ? hihalf : ~hihalf;
+
+ return hash_uint32_extended(lohalf, PG_GETARG_INT64(1));
+}
+
Datum
hashoid(PG_FUNCTION_ARGS)
{
return hash_uint32((uint32) PG_GETARG_OID(0));
}
+Datum
+hashoidextended(PG_FUNCTION_ARGS)
+{
+ return hash_uint32_extended((uint32) PG_GETARG_OID(0), PG_GETARG_INT64(1));
+}
+
Datum
hashenum(PG_FUNCTION_ARGS)
{
return hash_uint32((uint32) PG_GETARG_OID(0));
}
+Datum
+hashenumextended(PG_FUNCTION_ARGS)
+{
+ return hash_uint32_extended((uint32) PG_GETARG_OID(0), PG_GETARG_INT64(1));
+}
+
Datum
hashfloat4(PG_FUNCTION_ARGS)
{
return hash_any((unsigned char *) &key8, sizeof(key8));
}
+Datum
+hashfloat4extended(PG_FUNCTION_ARGS)
+{
+ float4 key = PG_GETARG_FLOAT4(0);
+ uint64 seed = PG_GETARG_INT64(1);
+ float8 key8;
+
+ /* Same approach as hashfloat4 */
+ if (key == (float4) 0)
+ PG_RETURN_UINT64(seed);
+ key8 = key;
+
+ return hash_any_extended((unsigned char *) &key8, sizeof(key8), seed);
+}
+
Datum
hashfloat8(PG_FUNCTION_ARGS)
{
return hash_any((unsigned char *) &key, sizeof(key));
}
+Datum
+hashfloat8extended(PG_FUNCTION_ARGS)
+{
+ float8 key = PG_GETARG_FLOAT8(0);
+ uint64 seed = PG_GETARG_INT64(1);
+
+ /* Same approach as hashfloat8 */
+ if (key == (float8) 0)
+ PG_RETURN_UINT64(seed);
+
+ return hash_any_extended((unsigned char *) &key, sizeof(key), seed);
+}
+
Datum
hashoidvector(PG_FUNCTION_ARGS)
{
return hash_any((unsigned char *) key->values, key->dim1 * sizeof(Oid));
}
+Datum
+hashoidvectorextended(PG_FUNCTION_ARGS)
+{
+ oidvector *key = (oidvector *) PG_GETARG_POINTER(0);
+
+ return hash_any_extended((unsigned char *) key->values,
+ key->dim1 * sizeof(Oid),
+ PG_GETARG_INT64(1));
+}
+
Datum
hashname(PG_FUNCTION_ARGS)
{
return hash_any((unsigned char *) key, strlen(key));
}
+Datum
+hashnameextended(PG_FUNCTION_ARGS)
+{
+ char *key = NameStr(*PG_GETARG_NAME(0));
+
+ return hash_any_extended((unsigned char *) key, strlen(key),
+ PG_GETARG_INT64(1));
+}
+
Datum
hashtext(PG_FUNCTION_ARGS)
{
return result;
}
+Datum
+hashtextextended(PG_FUNCTION_ARGS)
+{
+ text *key = PG_GETARG_TEXT_PP(0);
+ Datum result;
+
+ /* Same approach as hashtext */
+ result = hash_any_extended((unsigned char *) VARDATA_ANY(key),
+ VARSIZE_ANY_EXHDR(key),
+ PG_GETARG_INT64(1));
+
+ PG_FREE_IF_COPY(key, 0);
+
+ return result;
+}
+
/*
* hashvarlena() can be used for any varlena datatype in which there are
* no non-significant bits, ie, distinct bitpatterns never compare as equal.
return result;
}
+Datum
+hashvarlenaextended(PG_FUNCTION_ARGS)
+{
+ struct varlena *key = PG_GETARG_VARLENA_PP(0);
+ Datum result;
+
+ result = hash_any_extended((unsigned char *) VARDATA_ANY(key),
+ VARSIZE_ANY_EXHDR(key),
+ PG_GETARG_INT64(1));
+
+ PG_FREE_IF_COPY(key, 0);
+
+ return result;
+}
+
/*
* This hash function was written by Bob Jenkins
* (bob_jenkins@burtleburtle.net), and superficially adapted
}
/*
- * hash_uint32() -- hash a 32-bit value
+ * hash_any_extended() -- hash into a 64-bit value, using an optional seed
+ * k : the key (the unaligned variable-length array of bytes)
+ * len : the length of the key, counting by bytes
+ * seed : a 64-bit seed (0 means no seed)
+ *
+ * Returns a uint64 value. Otherwise similar to hash_any.
+ */
+Datum
+hash_any_extended(register const unsigned char *k, register int keylen,
+ uint64 seed)
+{
+ register uint32 a,
+ b,
+ c,
+ len;
+
+ /* Set up the internal state */
+ len = keylen;
+ a = b = c = 0x9e3779b9 + len + 3923095;
+
+ /* If the seed is non-zero, use it to perturb the internal state. */
+ if (seed != 0)
+ {
+ /*
+ * In essence, the seed is treated as part of the data being hashed,
+ * but for simplicity, we pretend that it's padded with four bytes of
+ * zeroes so that the seed constitutes a 12-byte chunk.
+ */
+ a += (uint32) (seed >> 32);
+ b += (uint32) seed;
+ mix(a, b, c);
+ }
+
+ /* If the source pointer is word-aligned, we use word-wide fetches */
+ if (((uintptr_t) k & UINT32_ALIGN_MASK) == 0)
+ {
+ /* Code path for aligned source data */
+ register const uint32 *ka = (const uint32 *) k;
+
+ /* handle most of the key */
+ while (len >= 12)
+ {
+ a += ka[0];
+ b += ka[1];
+ c += ka[2];
+ mix(a, b, c);
+ ka += 3;
+ len -= 12;
+ }
+
+ /* handle the last 11 bytes */
+ k = (const unsigned char *) ka;
+#ifdef WORDS_BIGENDIAN
+ switch (len)
+ {
+ case 11:
+ c += ((uint32) k[10] << 8);
+ /* fall through */
+ case 10:
+ c += ((uint32) k[9] << 16);
+ /* fall through */
+ case 9:
+ c += ((uint32) k[8] << 24);
+ /* the lowest byte of c is reserved for the length */
+ /* fall through */
+ case 8:
+ b += ka[1];
+ a += ka[0];
+ break;
+ case 7:
+ b += ((uint32) k[6] << 8);
+ /* fall through */
+ case 6:
+ b += ((uint32) k[5] << 16);
+ /* fall through */
+ case 5:
+ b += ((uint32) k[4] << 24);
+ /* fall through */
+ case 4:
+ a += ka[0];
+ break;
+ case 3:
+ a += ((uint32) k[2] << 8);
+ /* fall through */
+ case 2:
+ a += ((uint32) k[1] << 16);
+ /* fall through */
+ case 1:
+ a += ((uint32) k[0] << 24);
+ /* case 0: nothing left to add */
+ }
+#else /* !WORDS_BIGENDIAN */
+ switch (len)
+ {
+ case 11:
+ c += ((uint32) k[10] << 24);
+ /* fall through */
+ case 10:
+ c += ((uint32) k[9] << 16);
+ /* fall through */
+ case 9:
+ c += ((uint32) k[8] << 8);
+ /* the lowest byte of c is reserved for the length */
+ /* fall through */
+ case 8:
+ b += ka[1];
+ a += ka[0];
+ break;
+ case 7:
+ b += ((uint32) k[6] << 16);
+ /* fall through */
+ case 6:
+ b += ((uint32) k[5] << 8);
+ /* fall through */
+ case 5:
+ b += k[4];
+ /* fall through */
+ case 4:
+ a += ka[0];
+ break;
+ case 3:
+ a += ((uint32) k[2] << 16);
+ /* fall through */
+ case 2:
+ a += ((uint32) k[1] << 8);
+ /* fall through */
+ case 1:
+ a += k[0];
+ /* case 0: nothing left to add */
+ }
+#endif /* WORDS_BIGENDIAN */
+ }
+ else
+ {
+ /* Code path for non-aligned source data */
+
+ /* handle most of the key */
+ while (len >= 12)
+ {
+#ifdef WORDS_BIGENDIAN
+ a += (k[3] + ((uint32) k[2] << 8) + ((uint32) k[1] << 16) + ((uint32) k[0] << 24));
+ b += (k[7] + ((uint32) k[6] << 8) + ((uint32) k[5] << 16) + ((uint32) k[4] << 24));
+ c += (k[11] + ((uint32) k[10] << 8) + ((uint32) k[9] << 16) + ((uint32) k[8] << 24));
+#else /* !WORDS_BIGENDIAN */
+ a += (k[0] + ((uint32) k[1] << 8) + ((uint32) k[2] << 16) + ((uint32) k[3] << 24));
+ b += (k[4] + ((uint32) k[5] << 8) + ((uint32) k[6] << 16) + ((uint32) k[7] << 24));
+ c += (k[8] + ((uint32) k[9] << 8) + ((uint32) k[10] << 16) + ((uint32) k[11] << 24));
+#endif /* WORDS_BIGENDIAN */
+ mix(a, b, c);
+ k += 12;
+ len -= 12;
+ }
+
+ /* handle the last 11 bytes */
+#ifdef WORDS_BIGENDIAN
+ switch (len) /* all the case statements fall through */
+ {
+ case 11:
+ c += ((uint32) k[10] << 8);
+ case 10:
+ c += ((uint32) k[9] << 16);
+ case 9:
+ c += ((uint32) k[8] << 24);
+ /* the lowest byte of c is reserved for the length */
+ case 8:
+ b += k[7];
+ case 7:
+ b += ((uint32) k[6] << 8);
+ case 6:
+ b += ((uint32) k[5] << 16);
+ case 5:
+ b += ((uint32) k[4] << 24);
+ case 4:
+ a += k[3];
+ case 3:
+ a += ((uint32) k[2] << 8);
+ case 2:
+ a += ((uint32) k[1] << 16);
+ case 1:
+ a += ((uint32) k[0] << 24);
+ /* case 0: nothing left to add */
+ }
+#else /* !WORDS_BIGENDIAN */
+ switch (len) /* all the case statements fall through */
+ {
+ case 11:
+ c += ((uint32) k[10] << 24);
+ case 10:
+ c += ((uint32) k[9] << 16);
+ case 9:
+ c += ((uint32) k[8] << 8);
+ /* the lowest byte of c is reserved for the length */
+ case 8:
+ b += ((uint32) k[7] << 24);
+ case 7:
+ b += ((uint32) k[6] << 16);
+ case 6:
+ b += ((uint32) k[5] << 8);
+ case 5:
+ b += k[4];
+ case 4:
+ a += ((uint32) k[3] << 24);
+ case 3:
+ a += ((uint32) k[2] << 16);
+ case 2:
+ a += ((uint32) k[1] << 8);
+ case 1:
+ a += k[0];
+ /* case 0: nothing left to add */
+ }
+#endif /* WORDS_BIGENDIAN */
+ }
+
+ final(a, b, c);
+
+ /* report the result */
+ PG_RETURN_UINT64(((uint64) b << 32) | c);
+}
+
+/*
+ * hash_uint32() -- hash a 32-bit value to a 32-bit value
*
* This has the same result as
* hash_any(&k, sizeof(uint32))
/* report the result */
return UInt32GetDatum(c);
}
+
+/*
+ * hash_uint32_extended() -- hash a 32-bit value to a 64-bit value, with a seed
+ *
+ * Like hash_uint32, this is a convenience function.
+ */
+Datum
+hash_uint32_extended(uint32 k, uint64 seed)
+{
+ register uint32 a,
+ b,
+ c;
+
+ a = b = c = 0x9e3779b9 + (uint32) sizeof(uint32) + 3923095;
+
+ if (seed != 0)
+ {
+ a += (uint32) (seed >> 32);
+ b += (uint32) seed;
+ mix(a, b, c);
+ }
+
+ a += k;
+
+ final(a, b, c);
+
+ /* report the result */
+ PG_RETURN_UINT64(((uint64) b << 32) | c);
+}
if (ffactor < 10)
ffactor = 10;
- procid = index_getprocid(rel, 1, HASHPROC);
+ procid = index_getprocid(rel, 1, HASHSTANDARD_PROC);
/*
* We initialize the metapage, the first N bucket pages, and the first
Oid collation;
/* XXX assumes index has only one attribute */
- procinfo = index_getprocinfo(rel, 1, HASHPROC);
+ procinfo = index_getprocinfo(rel, 1, HASHSTANDARD_PROC);
collation = rel->rd_indcollation[0];
return DatumGetUInt32(FunctionCall1Coll(procinfo, collation, key));
hash_proc = get_opfamily_proc(rel->rd_opfamily[0],
keytype,
keytype,
- HASHPROC);
+ HASHSTANDARD_PROC);
if (!RegProcedureIsValid(hash_proc))
elog(ERROR, "missing support function %d(%u,%u) for index \"%s\"",
- HASHPROC, keytype, keytype,
+ HASHSTANDARD_PROC, keytype, keytype,
RelationGetRelationName(rel));
collation = rel->rd_indcollation[0];
#include "utils/syscache.h"
-static bool check_hash_func_signature(Oid funcid, Oid restype, Oid argtype);
+static bool check_hash_func_signature(Oid funcid, int16 amprocnum, Oid argtype);
/*
/* Check procedure numbers and function signatures */
switch (procform->amprocnum)
{
- case HASHPROC:
- if (!check_hash_func_signature(procform->amproc, INT4OID,
+ case HASHSTANDARD_PROC:
+ case HASHEXTENDED_PROC:
+ if (!check_hash_func_signature(procform->amproc, procform->amprocnum,
procform->amproclefttype))
{
ereport(INFO,
* hacks in the core hash opclass definitions.
*/
static bool
-check_hash_func_signature(Oid funcid, Oid restype, Oid argtype)
+check_hash_func_signature(Oid funcid, int16 amprocnum, Oid argtype)
{
bool result = true;
+ Oid restype;
+ int16 nargs;
HeapTuple tp;
Form_pg_proc procform;
+ switch (amprocnum)
+ {
+ case HASHSTANDARD_PROC:
+ restype = INT4OID;
+ nargs = 1;
+ break;
+
+ case HASHEXTENDED_PROC:
+ restype = INT8OID;
+ nargs = 2;
+ break;
+
+ default:
+ elog(ERROR, "invalid amprocnum");
+ }
+
tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
if (!HeapTupleIsValid(tp))
elog(ERROR, "cache lookup failed for function %u", funcid);
procform = (Form_pg_proc) GETSTRUCT(tp);
if (procform->prorettype != restype || procform->proretset ||
- procform->pronargs != 1)
+ procform->pronargs != nargs)
result = false;
if (!IsBinaryCoercible(argtype, procform->proargtypes.values[0]))
* identity, not just its input type, because hashvarlena() takes
* INTERNAL and allowing any such function seems too scary.
*/
- if (funcid == F_HASHINT4 &&
+ if ((funcid == F_HASHINT4 || funcid == F_HASHINT4EXTENDED) &&
(argtype == DATEOID ||
argtype == ABSTIMEOID || argtype == RELTIMEOID ||
argtype == XIDOID || argtype == CIDOID))
/* okay, allowed use of hashint4() */ ;
- else if (funcid == F_TIMESTAMP_HASH &&
+ else if ((funcid == F_TIMESTAMP_HASH ||
+ funcid == F_TIMESTAMP_HASH_EXTENDED) &&
argtype == TIMESTAMPTZOID)
/* okay, allowed use of timestamp_hash() */ ;
- else if (funcid == F_HASHCHAR &&
+ else if ((funcid == F_HASHCHAR || funcid == F_HASHCHAREXTENDED) &&
argtype == BOOLOID)
/* okay, allowed use of hashchar() */ ;
- else if (funcid == F_HASHVARLENA &&
+ else if ((funcid == F_HASHVARLENA || funcid == F_HASHVARLENAEXTENDED) &&
argtype == BYTEAOID)
/* okay, allowed use of hashvarlena() */ ;
else
result = false;
}
+ /* If function takes a second argument, it must be for a 64-bit salt. */
+ if (nargs == 2 && procform->proargtypes.values[1] != INT8OID)
+ result = false;
+
ReleaseSysCache(tp);
return result;
}
#include <limits.h>
#include "access/genam.h"
+#include "access/hash.h"
#include "access/heapam.h"
#include "access/nbtree.h"
#include "access/htup_details.h"
/*
* btree comparison procs must be 2-arg procs returning int4, while btree
* sortsupport procs must take internal and return void. hash support
- * procs must be 1-arg procs returning int4. Otherwise we don't know.
+ * proc 1 must be a 1-arg proc returning int4, while proc 2 must be a
+ * 2-arg proc returning int8. Otherwise we don't know.
*/
if (amoid == BTREE_AM_OID)
{
}
else if (amoid == HASH_AM_OID)
{
- if (procform->pronargs != 1)
- ereport(ERROR,
- (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("hash procedures must have one argument")));
- if (procform->prorettype != INT4OID)
- ereport(ERROR,
- (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("hash procedures must return integer")));
+ if (member->number == HASHSTANDARD_PROC)
+ {
+ if (procform->pronargs != 1)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("hash procedure 1 must have one argument")));
+ if (procform->prorettype != INT4OID)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("hash procedure 1 must return integer")));
+ }
+ else if (member->number == HASHEXTENDED_PROC)
+ {
+ if (procform->pronargs != 2)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("hash procedure 2 must have two arguments")));
+ if (procform->prorettype != INT8OID)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("hash procedure 2 must return bigint")));
+ }
/*
* If lefttype/righttype isn't specified, use the proc's input type
#include <ctype.h>
+#include "access/hash.h"
#include "access/htup_details.h"
#include "catalog/catalog.h"
#include "catalog/namespace.h"
PG_RETURN_UINT32((uint32) (a->ai_privs + a->ai_grantee + a->ai_grantor));
}
+/*
+ * 64-bit hash function for aclitem.
+ *
+ * Similar to hash_aclitem, but accepts a seed and returns a uint64 value.
+ */
+Datum
+hash_aclitem_extended(PG_FUNCTION_ARGS)
+{
+ AclItem *a = PG_GETARG_ACLITEM_P(0);
+ uint64 seed = PG_GETARG_INT64(1);
+ uint32 sum = (uint32) (a->ai_privs + a->ai_grantee + a->ai_grantor);
+
+ return (seed == 0) ? UInt64GetDatum(sum) : hash_uint32_extended(sum, seed);
+}
/*
* acldefault() --- create an ACL describing default access permissions
#endif
#include <math.h>
+#include "access/hash.h"
#include "access/htup_details.h"
#include "catalog/pg_type.h"
#include "funcapi.h"
PG_RETURN_UINT32(result);
}
+/*
+ * Returns 64-bit value by hashing a value to a 64-bit value, with a seed.
+ * Otherwise, similar to hash_array.
+ */
+Datum
+hash_array_extended(PG_FUNCTION_ARGS)
+{
+ AnyArrayType *array = PG_GETARG_ANY_ARRAY(0);
+ uint64 seed = PG_GETARG_INT64(1);
+ int ndims = AARR_NDIM(array);
+ int *dims = AARR_DIMS(array);
+ Oid element_type = AARR_ELEMTYPE(array);
+ uint64 result = 1;
+ int nitems;
+ TypeCacheEntry *typentry;
+ int typlen;
+ bool typbyval;
+ char typalign;
+ int i;
+ array_iter iter;
+ FunctionCallInfoData locfcinfo;
+
+ typentry = (TypeCacheEntry *) fcinfo->flinfo->fn_extra;
+ if (typentry == NULL ||
+ typentry->type_id != element_type)
+ {
+ typentry = lookup_type_cache(element_type,
+ TYPECACHE_HASH_EXTENDED_PROC_FINFO);
+ if (!OidIsValid(typentry->hash_extended_proc_finfo.fn_oid))
+ ereport(ERROR,
+ (errcode(ERRCODE_UNDEFINED_FUNCTION),
+ errmsg("could not identify an extended hash function for type %s",
+ format_type_be(element_type))));
+ fcinfo->flinfo->fn_extra = (void *) typentry;
+ }
+ typlen = typentry->typlen;
+ typbyval = typentry->typbyval;
+ typalign = typentry->typalign;
+
+ InitFunctionCallInfoData(locfcinfo, &typentry->hash_extended_proc_finfo, 2,
+ InvalidOid, NULL, NULL);
+
+ /* Loop over source data */
+ nitems = ArrayGetNItems(ndims, dims);
+ array_iter_setup(&iter, array);
+
+ for (i = 0; i < nitems; i++)
+ {
+ Datum elt;
+ bool isnull;
+ uint64 elthash;
+
+ /* Get element, checking for NULL */
+ elt = array_iter_next(&iter, &isnull, i, typlen, typbyval, typalign);
+
+ if (isnull)
+ {
+ elthash = 0;
+ }
+ else
+ {
+ /* Apply the hash function */
+ locfcinfo.arg[0] = elt;
+ locfcinfo.arg[1] = seed;
+ locfcinfo.argnull[0] = false;
+ locfcinfo.argnull[1] = false;
+ locfcinfo.isnull = false;
+ elthash = DatumGetUInt64(FunctionCallInvoke(&locfcinfo));
+ }
+
+ result = (result << 5) - result + elthash;
+ }
+
+ AARR_FREE_IF_COPY(array, 0);
+
+ PG_RETURN_UINT64(result);
+}
+
/*-----------------------------------------------------------------------------
* array overlap/containment comparisons
return hashint8(fcinfo);
}
+Datum
+time_hash_extended(PG_FUNCTION_ARGS)
+{
+ return hashint8extended(fcinfo);
+}
+
Datum
time_larger(PG_FUNCTION_ARGS)
{
PG_RETURN_UINT32(thash);
}
+Datum
+timetz_hash_extended(PG_FUNCTION_ARGS)
+{
+ TimeTzADT *key = PG_GETARG_TIMETZADT_P(0);
+ uint64 seed = PG_GETARG_DATUM(1);
+ uint64 thash;
+
+ /* Same approach as timetz_hash */
+ thash = DatumGetUInt64(DirectFunctionCall2(hashint8extended,
+ Int64GetDatumFast(key->time),
+ seed));
+ thash ^= DatumGetUInt64(hash_uint32_extended(key->zone, seed));
+ PG_RETURN_UINT64(thash);
+}
+
Datum
timetz_larger(PG_FUNCTION_ARGS)
{
PG_FREE_IF_COPY(jb, 0);
PG_RETURN_INT32(hash);
}
+
+Datum
+jsonb_hash_extended(PG_FUNCTION_ARGS)
+{
+ Jsonb *jb = PG_GETARG_JSONB(0);
+ uint64 seed = PG_GETARG_INT64(1);
+ JsonbIterator *it;
+ JsonbValue v;
+ JsonbIteratorToken r;
+ uint64 hash = 0;
+
+ if (JB_ROOT_COUNT(jb) == 0)
+ PG_RETURN_UINT64(seed);
+
+ it = JsonbIteratorInit(&jb->root);
+
+ while ((r = JsonbIteratorNext(&it, &v, false)) != WJB_DONE)
+ {
+ switch (r)
+ {
+ /* Rotation is left to JsonbHashScalarValueExtended() */
+ case WJB_BEGIN_ARRAY:
+ hash ^= ((UINT64CONST(JB_FARRAY) << 32) | UINT64CONST(JB_FARRAY));
+ break;
+ case WJB_BEGIN_OBJECT:
+ hash ^= ((UINT64CONST(JB_FOBJECT) << 32) | UINT64CONST(JB_FOBJECT));
+ break;
+ case WJB_KEY:
+ case WJB_VALUE:
+ case WJB_ELEM:
+ JsonbHashScalarValueExtended(&v, &hash, seed);
+ break;
+ case WJB_END_ARRAY:
+ case WJB_END_OBJECT:
+ break;
+ default:
+ elog(ERROR, "invalid JsonbIteratorNext rc: %d", (int) r);
+ }
+ }
+
+ PG_FREE_IF_COPY(jb, 0);
+ PG_RETURN_UINT64(hash);
+}
*hash ^= tmp;
}
+/*
+ * Hash a value to a 64-bit value, with a seed. Otherwise, similar to
+ * JsonbHashScalarValue.
+ */
+void
+JsonbHashScalarValueExtended(const JsonbValue *scalarVal, uint64 *hash,
+ uint64 seed)
+{
+ uint64 tmp;
+
+ switch (scalarVal->type)
+ {
+ case jbvNull:
+ tmp = seed + 0x01;
+ break;
+ case jbvString:
+ tmp = DatumGetUInt64(hash_any_extended((const unsigned char *) scalarVal->val.string.val,
+ scalarVal->val.string.len,
+ seed));
+ break;
+ case jbvNumeric:
+ tmp = DatumGetUInt64(DirectFunctionCall2(hash_numeric_extended,
+ NumericGetDatum(scalarVal->val.numeric),
+ UInt64GetDatum(seed)));
+ break;
+ case jbvBool:
+ if (seed)
+ tmp = DatumGetUInt64(DirectFunctionCall2(hashcharextended,
+ BoolGetDatum(scalarVal->val.boolean),
+ UInt64GetDatum(seed)));
+ else
+ tmp = scalarVal->val.boolean ? 0x02 : 0x04;
+
+ break;
+ default:
+ elog(ERROR, "invalid jsonb scalar type");
+ break;
+ }
+
+ *hash = ROTATE_HIGH_AND_LOW_32BITS(*hash);
+ *hash ^= tmp;
+}
+
/*
* Are two scalar JsonbValues of the same type a and b equal?
*/
return hash_any((unsigned char *) key, sizeof(macaddr));
}
+Datum
+hashmacaddrextended(PG_FUNCTION_ARGS)
+{
+ macaddr *key = PG_GETARG_MACADDR_P(0);
+
+ return hash_any_extended((unsigned char *) key, sizeof(macaddr),
+ PG_GETARG_INT64(1));
+}
+
/*
* Arithmetic functions: bitwise NOT, AND, OR.
*/
return hash_any((unsigned char *) key, sizeof(macaddr8));
}
+Datum
+hashmacaddr8extended(PG_FUNCTION_ARGS)
+{
+ macaddr8 *key = PG_GETARG_MACADDR8_P(0);
+
+ return hash_any_extended((unsigned char *) key, sizeof(macaddr8),
+ PG_GETARG_INT64(1));
+}
+
/*
* Arithmetic functions: bitwise NOT, AND, OR.
*/
return hash_any((unsigned char *) VARDATA_ANY(addr), addrsize + 2);
}
+Datum
+hashinetextended(PG_FUNCTION_ARGS)
+{
+ inet *addr = PG_GETARG_INET_PP(0);
+ int addrsize = ip_addrsize(addr);
+
+ return hash_any_extended((unsigned char *) VARDATA_ANY(addr), addrsize + 2,
+ PG_GETARG_INT64(1));
+}
+
/*
* Boolean network-inclusion tests.
*/
PG_RETURN_DATUM(result);
}
+/*
+ * Returns 64-bit value by hashing a value to a 64-bit value, with a seed.
+ * Otherwise, similar to hash_numeric.
+ */
+Datum
+hash_numeric_extended(PG_FUNCTION_ARGS)
+{
+ Numeric key = PG_GETARG_NUMERIC(0);
+ uint64 seed = PG_GETARG_INT64(1);
+ Datum digit_hash;
+ Datum result;
+ int weight;
+ int start_offset;
+ int end_offset;
+ int i;
+ int hash_len;
+ NumericDigit *digits;
+
+ if (NUMERIC_IS_NAN(key))
+ PG_RETURN_UINT64(seed);
+
+ weight = NUMERIC_WEIGHT(key);
+ start_offset = 0;
+ end_offset = 0;
+
+ digits = NUMERIC_DIGITS(key);
+ for (i = 0; i < NUMERIC_NDIGITS(key); i++)
+ {
+ if (digits[i] != (NumericDigit) 0)
+ break;
+
+ start_offset++;
+
+ weight--;
+ }
+
+ if (NUMERIC_NDIGITS(key) == start_offset)
+ PG_RETURN_UINT64(seed - 1);
+
+ for (i = NUMERIC_NDIGITS(key) - 1; i >= 0; i--)
+ {
+ if (digits[i] != (NumericDigit) 0)
+ break;
+
+ end_offset++;
+ }
+
+ Assert(start_offset + end_offset < NUMERIC_NDIGITS(key));
+
+ hash_len = NUMERIC_NDIGITS(key) - start_offset - end_offset;
+ digit_hash = hash_any_extended((unsigned char *) (NUMERIC_DIGITS(key)
+ + start_offset),
+ hash_len * sizeof(NumericDigit),
+ seed);
+
+ result = digit_hash ^ weight;
+
+ PG_RETURN_DATUM(result);
+}
+
/* ----------------------------------------------------------------------
*
return hashint8(fcinfo);
}
+Datum
+pg_lsn_hash_extended(PG_FUNCTION_ARGS)
+{
+ return hashint8extended(fcinfo);
+}
+
/*----------------------------------------------------------
* Arithmetic operators on PostgreSQL LSNs.
PG_RETURN_INT32(result);
}
+/*
+ * Returns 64-bit value by hashing a value to a 64-bit value, with a seed.
+ * Otherwise, similar to hash_range.
+ */
+Datum
+hash_range_extended(PG_FUNCTION_ARGS)
+{
+ RangeType *r = PG_GETARG_RANGE(0);
+ uint64 seed = PG_GETARG_INT64(1);
+ uint64 result;
+ TypeCacheEntry *typcache;
+ TypeCacheEntry *scache;
+ RangeBound lower;
+ RangeBound upper;
+ bool empty;
+ char flags;
+ uint64 lower_hash;
+ uint64 upper_hash;
+
+ check_stack_depth();
+
+ typcache = range_get_typcache(fcinfo, RangeTypeGetOid(r));
+
+ range_deserialize(typcache, r, &lower, &upper, &empty);
+ flags = range_get_flags(r);
+
+ scache = typcache->rngelemtype;
+ if (!OidIsValid(scache->hash_extended_proc_finfo.fn_oid))
+ {
+ scache = lookup_type_cache(scache->type_id,
+ TYPECACHE_HASH_EXTENDED_PROC_FINFO);
+ if (!OidIsValid(scache->hash_extended_proc_finfo.fn_oid))
+ ereport(ERROR,
+ (errcode(ERRCODE_UNDEFINED_FUNCTION),
+ errmsg("could not identify a hash function for type %s",
+ format_type_be(scache->type_id))));
+ }
+
+ if (RANGE_HAS_LBOUND(flags))
+ lower_hash = DatumGetUInt64(FunctionCall2Coll(&scache->hash_extended_proc_finfo,
+ typcache->rng_collation,
+ lower.val,
+ seed));
+ else
+ lower_hash = 0;
+
+ if (RANGE_HAS_UBOUND(flags))
+ upper_hash = DatumGetUInt64(FunctionCall2Coll(&scache->hash_extended_proc_finfo,
+ typcache->rng_collation,
+ upper.val,
+ seed));
+ else
+ upper_hash = 0;
+
+ /* Merge hashes of flags and bounds */
+ result = hash_uint32_extended((uint32) flags, seed);
+ result ^= lower_hash;
+ result = ROTATE_HIGH_AND_LOW_32BITS(result);
+ result ^= upper_hash;
+
+ PG_RETURN_UINT64(result);
+}
+
/*
*----------------------------------------------------------
* CANONICAL FUNCTIONS
return hashint8(fcinfo);
}
+Datum
+timestamp_hash_extended(PG_FUNCTION_ARGS)
+{
+ return hashint8extended(fcinfo);
+}
/*
* Cross-type comparison functions for timestamp vs timestamptz
return DirectFunctionCall1(hashint8, Int64GetDatumFast(span64));
}
+Datum
+interval_hash_extended(PG_FUNCTION_ARGS)
+{
+ Interval *interval = PG_GETARG_INTERVAL_P(0);
+ INT128 span = interval_cmp_value(interval);
+ int64 span64;
+
+ /* Same approach as interval_hash */
+ span64 = int128_to_int64(span);
+
+ return DirectFunctionCall2(hashint8extended, Int64GetDatumFast(span64),
+ PG_GETARG_DATUM(1));
+}
+
/* overlaps_timestamp() --- implements the SQL OVERLAPS operator.
*
* Algorithm is per SQL spec. This is much harder than you'd think
return hash_any(key->data, UUID_LEN);
}
+
+Datum
+uuid_hash_extended(PG_FUNCTION_ARGS)
+{
+ pg_uuid_t *key = PG_GETARG_UUID_P(0);
+
+ return hash_any_extended(key->data, UUID_LEN, PG_GETARG_INT64(1));
+}
return result;
}
+Datum
+hashbpcharextended(PG_FUNCTION_ARGS)
+{
+ BpChar *key = PG_GETARG_BPCHAR_PP(0);
+ char *keydata;
+ int keylen;
+ Datum result;
+
+ keydata = VARDATA_ANY(key);
+ keylen = bcTruelen(key);
+
+ result = hash_any_extended((unsigned char *) keydata, keylen,
+ PG_GETARG_INT64(1));
+
+ PG_FREE_IF_COPY(key, 0);
+
+ return result;
+}
/*
* The following operators support character-by-character comparison
/*
* get_op_hash_functions
- * Get the OID(s) of hash support function(s) compatible with the given
- * operator, operating on its LHS and/or RHS datatype as required.
+ * Get the OID(s) of the standard hash support function(s) compatible with
+ * the given operator, operating on its LHS and/or RHS datatype as required.
*
* A function for the LHS type is sought and returned into *lhs_procno if
* lhs_procno isn't NULL. Similarly, a function for the RHS type is sought
*lhs_procno = get_opfamily_proc(aform->amopfamily,
aform->amoplefttype,
aform->amoplefttype,
- HASHPROC);
+ HASHSTANDARD_PROC);
if (!OidIsValid(*lhs_procno))
continue;
/* Matching LHS found, done if caller doesn't want RHS */
*rhs_procno = get_opfamily_proc(aform->amopfamily,
aform->amoprighttype,
aform->amoprighttype,
- HASHPROC);
+ HASHSTANDARD_PROC);
if (!OidIsValid(*rhs_procno))
{
/* Forget any LHS function from this opfamily */
#define TCFLAGS_HAVE_FIELD_EQUALITY 0x1000
#define TCFLAGS_HAVE_FIELD_COMPARE 0x2000
#define TCFLAGS_CHECKED_DOMAIN_CONSTRAINTS 0x4000
+#define TCFLAGS_CHECKED_HASH_EXTENDED_PROC 0x8000
/*
* Data stored about a domain type's constraints. Note that we do not create
flags |= TYPECACHE_HASH_OPFAMILY;
if ((flags & (TYPECACHE_HASH_PROC | TYPECACHE_HASH_PROC_FINFO |
+ TYPECACHE_HASH_EXTENDED_PROC |
+ TYPECACHE_HASH_EXTENDED_PROC_FINFO |
TYPECACHE_HASH_OPFAMILY)) &&
!(typentry->flags & TCFLAGS_CHECKED_HASH_OPCLASS))
{
* decision is still good.
*/
typentry->flags &= ~(TCFLAGS_CHECKED_HASH_PROC);
+ typentry->flags &= ~(TCFLAGS_CHECKED_HASH_EXTENDED_PROC);
typentry->flags |= TCFLAGS_CHECKED_HASH_OPCLASS;
}
typentry->eq_opr = eq_opr;
/*
- * Reset info about hash function whenever we pick up new info about
- * equality operator. This is so we can ensure that the hash function
- * matches the operator.
+ * Reset info about hash functions whenever we pick up new info about
+ * equality operator. This is so we can ensure that the hash functions
+ * match the operator.
*/
typentry->flags &= ~(TCFLAGS_CHECKED_HASH_PROC);
+ typentry->flags &= ~(TCFLAGS_CHECKED_HASH_EXTENDED_PROC);
typentry->flags |= TCFLAGS_CHECKED_EQ_OPR;
}
if ((flags & TYPECACHE_LT_OPR) &&
hash_proc = get_opfamily_proc(typentry->hash_opf,
typentry->hash_opintype,
typentry->hash_opintype,
- HASHPROC);
+ HASHSTANDARD_PROC);
/*
* As above, make sure hash_array will succeed. We don't currently
typentry->hash_proc = hash_proc;
typentry->flags |= TCFLAGS_CHECKED_HASH_PROC;
}
+ if ((flags & (TYPECACHE_HASH_EXTENDED_PROC |
+ TYPECACHE_HASH_EXTENDED_PROC_FINFO)) &&
+ !(typentry->flags & TCFLAGS_CHECKED_HASH_EXTENDED_PROC))
+ {
+ Oid hash_extended_proc = InvalidOid;
+
+ /*
+ * We insist that the eq_opr, if one has been determined, match the
+ * hash opclass; else report there is no hash function.
+ */
+ if (typentry->hash_opf != InvalidOid &&
+ (!OidIsValid(typentry->eq_opr) ||
+ typentry->eq_opr == get_opfamily_member(typentry->hash_opf,
+ typentry->hash_opintype,
+ typentry->hash_opintype,
+ HTEqualStrategyNumber)))
+ hash_extended_proc = get_opfamily_proc(typentry->hash_opf,
+ typentry->hash_opintype,
+ typentry->hash_opintype,
+ HASHEXTENDED_PROC);
+
+ /*
+ * As above, make sure hash_array_extended will succeed. We don't
+ * currently support hashing for composite types, but when we do,
+ * we'll need more logic here to check that case too.
+ */
+ if (hash_extended_proc == F_HASH_ARRAY_EXTENDED &&
+ !array_element_has_hashing(typentry))
+ hash_extended_proc = InvalidOid;
+
+ /* Force update of hash_proc_finfo only if we're changing state */
+ if (typentry->hash_extended_proc != hash_extended_proc)
+ typentry->hash_extended_proc_finfo.fn_oid = InvalidOid;
+
+ typentry->hash_extended_proc = hash_extended_proc;
+ typentry->flags |= TCFLAGS_CHECKED_HASH_EXTENDED_PROC;
+ }
/*
* Set up fmgr lookup info as requested
fmgr_info_cxt(typentry->hash_proc, &typentry->hash_proc_finfo,
CacheMemoryContext);
}
+ if ((flags & TYPECACHE_HASH_EXTENDED_PROC_FINFO) &&
+ typentry->hash_extended_proc_finfo.fn_oid == InvalidOid &&
+ typentry->hash_extended_proc != InvalidOid)
+ {
+ fmgr_info_cxt(typentry->hash_extended_proc,
+ &typentry->hash_extended_proc_finfo,
+ CacheMemoryContext);
+ }
/*
* If it's a composite type (row type), get tupdesc if requested
#define BUCKET_TO_BLKNO(metap,B) \
((BlockNumber) ((B) + ((B) ? (metap)->hashm_spares[_hash_spareindex((B)+1)-1] : 0)) + 1)
+/*
+ * Rotate the high 32 bits and the low 32 bits separately. The standard
+ * hash function sometimes rotates the low 32 bits by one bit when
+ * combining elements. We want extended hash functions to be compatible with
+ * that algorithm when the seed is 0, so we can't just do a normal rotation.
+ * This works, though.
+ */
+#define ROTATE_HIGH_AND_LOW_32BITS(v) \
+ ((((v) << 1) & UINT64CONST(0xfffffffefffffffe)) | \
+ (((v) >> 31) & UINT64CONST(0x100000001)))
+
/*
* Special space for hash index pages.
*
#define HTMaxStrategyNumber 1
/*
- * When a new operator class is declared, we require that the user supply
- * us with an amproc procudure for hashing a key of the new type.
- * Since we only have one such proc in amproc, it's number 1.
+ * When a new operator class is declared, we require that the user supply
+ * us with an amproc procudure for hashing a key of the new type, returning
+ * a 32-bit hash value. We call this the "standard" hash procedure. We
+ * also allow an optional "extended" hash procedure which accepts a salt and
+ * returns a 64-bit hash value. This is highly recommended but, for reasons
+ * of backward compatibility, optional.
+ *
+ * When the salt is 0, the low 32 bits of the value returned by the extended
+ * hash procedure should match the value that would have been returned by the
+ * standard hash procedure.
*/
-#define HASHPROC 1
-#define HASHNProcs 1
+#define HASHSTANDARD_PROC 1
+#define HASHEXTENDED_PROC 2
+#define HASHNProcs 2
/* public routines */
extern bool hashvalidate(Oid opclassoid);
extern Datum hash_any(register const unsigned char *k, register int keylen);
+extern Datum hash_any_extended(register const unsigned char *k,
+ register int keylen, uint64 seed);
extern Datum hash_uint32(uint32 k);
+extern Datum hash_uint32_extended(uint32 k, uint64 seed);
/* private routines */
*/
/* yyyymmddN */
-#define CATALOG_VERSION_NO 201707211
+#define CATALOG_VERSION_NO 201708311
#endif
/* hash */
DATA(insert ( 427 1042 1042 1 1080 ));
+DATA(insert ( 427 1042 1042 2 972 ));
DATA(insert ( 431 18 18 1 454 ));
+DATA(insert ( 431 18 18 2 446 ));
DATA(insert ( 435 1082 1082 1 450 ));
+DATA(insert ( 435 1082 1082 2 425 ));
DATA(insert ( 627 2277 2277 1 626 ));
+DATA(insert ( 627 2277 2277 2 782 ));
DATA(insert ( 1971 700 700 1 451 ));
+DATA(insert ( 1971 700 700 2 443 ));
DATA(insert ( 1971 701 701 1 452 ));
+DATA(insert ( 1971 701 701 2 444 ));
DATA(insert ( 1975 869 869 1 422 ));
+DATA(insert ( 1975 869 869 2 779 ));
DATA(insert ( 1977 21 21 1 449 ));
+DATA(insert ( 1977 21 21 2 441 ));
DATA(insert ( 1977 23 23 1 450 ));
+DATA(insert ( 1977 23 23 2 425 ));
DATA(insert ( 1977 20 20 1 949 ));
+DATA(insert ( 1977 20 20 2 442 ));
DATA(insert ( 1983 1186 1186 1 1697 ));
+DATA(insert ( 1983 1186 1186 2 3418 ));
DATA(insert ( 1985 829 829 1 399 ));
+DATA(insert ( 1985 829 829 2 778 ));
DATA(insert ( 1987 19 19 1 455 ));
+DATA(insert ( 1987 19 19 2 447 ));
DATA(insert ( 1990 26 26 1 453 ));
+DATA(insert ( 1990 26 26 2 445 ));
DATA(insert ( 1992 30 30 1 457 ));
+DATA(insert ( 1992 30 30 2 776 ));
DATA(insert ( 1995 25 25 1 400 ));
+DATA(insert ( 1995 25 25 2 448));
DATA(insert ( 1997 1083 1083 1 1688 ));
+DATA(insert ( 1997 1083 1083 2 3409 ));
DATA(insert ( 1998 1700 1700 1 432 ));
+DATA(insert ( 1998 1700 1700 2 780 ));
DATA(insert ( 1999 1184 1184 1 2039 ));
+DATA(insert ( 1999 1184 1184 2 3411 ));
DATA(insert ( 2001 1266 1266 1 1696 ));
+DATA(insert ( 2001 1266 1266 2 3410 ));
DATA(insert ( 2040 1114 1114 1 2039 ));
+DATA(insert ( 2040 1114 1114 2 3411 ));
DATA(insert ( 2222 16 16 1 454 ));
+DATA(insert ( 2222 16 16 2 446 ));
DATA(insert ( 2223 17 17 1 456 ));
+DATA(insert ( 2223 17 17 2 772 ));
DATA(insert ( 2225 28 28 1 450 ));
+DATA(insert ( 2225 28 28 2 425));
DATA(insert ( 2226 29 29 1 450 ));
+DATA(insert ( 2226 29 29 2 425 ));
DATA(insert ( 2227 702 702 1 450 ));
+DATA(insert ( 2227 702 702 2 425 ));
DATA(insert ( 2228 703 703 1 450 ));
+DATA(insert ( 2228 703 703 2 425 ));
DATA(insert ( 2229 25 25 1 400 ));
+DATA(insert ( 2229 25 25 2 448 ));
DATA(insert ( 2231 1042 1042 1 1080 ));
+DATA(insert ( 2231 1042 1042 2 972 ));
DATA(insert ( 2235 1033 1033 1 329 ));
+DATA(insert ( 2235 1033 1033 2 777 ));
DATA(insert ( 2969 2950 2950 1 2963 ));
+DATA(insert ( 2969 2950 2950 2 3412 ));
DATA(insert ( 3254 3220 3220 1 3252 ));
+DATA(insert ( 3254 3220 3220 2 3413 ));
DATA(insert ( 3372 774 774 1 328 ));
+DATA(insert ( 3372 774 774 2 781 ));
DATA(insert ( 3523 3500 3500 1 3515 ));
+DATA(insert ( 3523 3500 3500 2 3414 ));
DATA(insert ( 3903 3831 3831 1 3902 ));
+DATA(insert ( 3903 3831 3831 2 3417 ));
DATA(insert ( 4034 3802 3802 1 4045 ));
+DATA(insert ( 4034 3802 3802 2 3416));
/* gist */
DATA(insert OID = 449 ( hashint2 PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "21" _null_ _null_ _null_ _null_ _null_ hashint2 _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 441 ( hashint2extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "21 20" _null_ _null_ _null_ _null_ _null_ hashint2extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 450 ( hashint4 PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "23" _null_ _null_ _null_ _null_ _null_ hashint4 _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 425 ( hashint4extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "23 20" _null_ _null_ _null_ _null_ _null_ hashint4extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 949 ( hashint8 PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "20" _null_ _null_ _null_ _null_ _null_ hashint8 _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 442 ( hashint8extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "20 20" _null_ _null_ _null_ _null_ _null_ hashint8extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 451 ( hashfloat4 PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "700" _null_ _null_ _null_ _null_ _null_ hashfloat4 _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 443 ( hashfloat4extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "700 20" _null_ _null_ _null_ _null_ _null_ hashfloat4extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 452 ( hashfloat8 PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "701" _null_ _null_ _null_ _null_ _null_ hashfloat8 _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 444 ( hashfloat8extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "701 20" _null_ _null_ _null_ _null_ _null_ hashfloat8extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 453 ( hashoid PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "26" _null_ _null_ _null_ _null_ _null_ hashoid _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 445 ( hashoidextended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "26 20" _null_ _null_ _null_ _null_ _null_ hashoidextended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 454 ( hashchar PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "18" _null_ _null_ _null_ _null_ _null_ hashchar _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 446 ( hashcharextended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "18 20" _null_ _null_ _null_ _null_ _null_ hashcharextended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 455 ( hashname PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "19" _null_ _null_ _null_ _null_ _null_ hashname _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 447 ( hashnameextended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "19 20" _null_ _null_ _null_ _null_ _null_ hashnameextended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 400 ( hashtext PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "25" _null_ _null_ _null_ _null_ _null_ hashtext _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 448 ( hashtextextended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "25 20" _null_ _null_ _null_ _null_ _null_ hashtextextended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 456 ( hashvarlena PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "2281" _null_ _null_ _null_ _null_ _null_ hashvarlena _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 772 ( hashvarlenaextended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "2281 20" _null_ _null_ _null_ _null_ _null_ hashvarlenaextended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 457 ( hashoidvector PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "30" _null_ _null_ _null_ _null_ _null_ hashoidvector _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 776 ( hashoidvectorextended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "30 20" _null_ _null_ _null_ _null_ _null_ hashoidvectorextended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 329 ( hash_aclitem PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "1033" _null_ _null_ _null_ _null_ _null_ hash_aclitem _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 777 ( hash_aclitem_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "1033 20" _null_ _null_ _null_ _null_ _null_ hash_aclitem_extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 399 ( hashmacaddr PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "829" _null_ _null_ _null_ _null_ _null_ hashmacaddr _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 778 ( hashmacaddrextended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "829 20" _null_ _null_ _null_ _null_ _null_ hashmacaddrextended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 422 ( hashinet PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "869" _null_ _null_ _null_ _null_ _null_ hashinet _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 779 ( hashinetextended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "869 20" _null_ _null_ _null_ _null_ _null_ hashinetextended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 432 ( hash_numeric PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "1700" _null_ _null_ _null_ _null_ _null_ hash_numeric _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 780 ( hash_numeric_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "1700 20" _null_ _null_ _null_ _null_ _null_ hash_numeric_extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 328 ( hashmacaddr8 PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "774" _null_ _null_ _null_ _null_ _null_ hashmacaddr8 _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 781 ( hashmacaddr8extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "774 20" _null_ _null_ _null_ _null_ _null_ hashmacaddr8extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 438 ( num_nulls PGNSP PGUID 12 1 0 2276 0 f f f f f f i s 1 0 23 "2276" "{2276}" "{v}" _null_ _null_ _null_ pg_num_nulls _null_ _null_ _null_ ));
DESCR("count the number of NULL arguments");
DATA(insert OID = 626 ( hash_array PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "2277" _null_ _null_ _null_ _null_ _null_ hash_array _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 782 ( hash_array_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "2277 20" _null_ _null_ _null_ _null_ _null_ hash_array_extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 652 ( float4 PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 700 "20" _null_ _null_ _null_ _null_ _null_ i8tof _null_ _null_ _null_ ));
DESCR("convert int8 to float4");
DESCR("sort support");
DATA(insert OID = 1080 ( hashbpchar PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "1042" _null_ _null_ _null_ _null_ _null_ hashbpchar _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 972 ( hashbpcharextended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "1042 20" _null_ _null_ _null_ _null_ _null_ hashbpcharextended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 1081 ( format_type PGNSP PGUID 12 1 0 0 0 f f f f f f s s 2 0 25 "26 23" _null_ _null_ _null_ _null_ _null_ format_type _null_ _null_ _null_ ));
DESCR("format a type oid and atttypmod to canonical SQL");
DATA(insert OID = 1084 ( date_in PGNSP PGUID 12 1 0 0 0 f f f f t f s s 1 0 1082 "2275" _null_ _null_ _null_ _null_ _null_ date_in _null_ _null_ _null_ ));
DATA(insert OID = 1688 ( time_hash PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "1083" _null_ _null_ _null_ _null_ _null_ time_hash _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 3409 ( time_hash_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "1083 20" _null_ _null_ _null_ _null_ _null_ time_hash_extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 1696 ( timetz_hash PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "1266" _null_ _null_ _null_ _null_ _null_ timetz_hash _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 3410 ( timetz_hash_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "1266 20" _null_ _null_ _null_ _null_ _null_ timetz_hash_extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 1697 ( interval_hash PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "1186" _null_ _null_ _null_ _null_ _null_ interval_hash _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 3418 ( interval_hash_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "1186 20" _null_ _null_ _null_ _null_ _null_ interval_hash_extended _null_ _null_ _null_ ));
+DESCR("hash");
/* OID's 1700 - 1799 NUMERIC data type */
DESCR("adjust time with time zone to new zone");
DATA(insert OID = 2039 ( timestamp_hash PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "1114" _null_ _null_ _null_ _null_ _null_ timestamp_hash _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 3411 ( timestamp_hash_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "1114 20" _null_ _null_ _null_ _null_ _null_ timestamp_hash_extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 2041 ( overlaps PGNSP PGUID 12 1 0 0 0 f f f f f f i s 4 0 16 "1114 1114 1114 1114" _null_ _null_ _null_ _null_ _null_ overlaps_timestamp _null_ _null_ _null_ ));
DESCR("intervals overlap?");
DATA(insert OID = 2042 ( overlaps PGNSP PGUID 14 1 0 0 0 f f f f f f i s 4 0 16 "1114 1186 1114 1186" _null_ _null_ _null_ _null_ _null_ "select ($1, ($1 + $2)) overlaps ($3, ($3 + $4))" _null_ _null_ _null_ ));
DESCR("I/O");
DATA(insert OID = 2963 ( uuid_hash PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "2950" _null_ _null_ _null_ _null_ _null_ uuid_hash _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 3412 ( uuid_hash_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "2950 20" _null_ _null_ _null_ _null_ _null_ uuid_hash_extended _null_ _null_ _null_ ));
+DESCR("hash");
/* pg_lsn */
DATA(insert OID = 3229 ( pg_lsn_in PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 3220 "2275" _null_ _null_ _null_ _null_ _null_ pg_lsn_in _null_ _null_ _null_ ));
DESCR("less-equal-greater");
DATA(insert OID = 3252 ( pg_lsn_hash PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "3220" _null_ _null_ _null_ _null_ _null_ pg_lsn_hash _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 3413 ( pg_lsn_hash_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "3220 20" _null_ _null_ _null_ _null_ _null_ pg_lsn_hash_extended _null_ _null_ _null_ ));
+DESCR("hash");
/* enum related procs */
DATA(insert OID = 3504 ( anyenum_in PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 3500 "2275" _null_ _null_ _null_ _null_ _null_ anyenum_in _null_ _null_ _null_ ));
DESCR("less-equal-greater");
DATA(insert OID = 3515 ( hashenum PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "3500" _null_ _null_ _null_ _null_ _null_ hashenum _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 3414 ( hashenumextended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "3500 20" _null_ _null_ _null_ _null_ _null_ hashenumextended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 3524 ( enum_smaller PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 3500 "3500 3500" _null_ _null_ _null_ _null_ _null_ enum_smaller _null_ _null_ _null_ ));
DESCR("smaller of two");
DATA(insert OID = 3525 ( enum_larger PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 3500 "3500 3500" _null_ _null_ _null_ _null_ _null_ enum_larger _null_ _null_ _null_ ));
DESCR("less-equal-greater");
DATA(insert OID = 4045 ( jsonb_hash PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "3802" _null_ _null_ _null_ _null_ _null_ jsonb_hash _null_ _null_ _null_ ));
DESCR("hash");
+DATA(insert OID = 3416 ( jsonb_hash_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "3802 20" _null_ _null_ _null_ _null_ _null_ jsonb_hash_extended _null_ _null_ _null_ ));
+DESCR("hash");
DATA(insert OID = 4046 ( jsonb_contains PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 16 "3802 3802" _null_ _null_ _null_ _null_ _null_ jsonb_contains _null_ _null_ _null_ ));
DATA(insert OID = 4047 ( jsonb_exists PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 16 "3802 25" _null_ _null_ _null_ _null_ _null_ jsonb_exists _null_ _null_ _null_ ));
DATA(insert OID = 4048 ( jsonb_exists_any PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 16 "3802 1009" _null_ _null_ _null_ _null_ _null_ jsonb_exists_any _null_ _null_ _null_ ));
DESCR("GiST support");
DATA(insert OID = 3902 ( hash_range PGNSP PGUID 12 1 0 0 0 f f f f t f i s 1 0 23 "3831" _null_ _null_ _null_ _null_ _null_ hash_range _null_ _null_ _null_ ));
DESCR("hash a range");
+DATA(insert OID = 3417 ( hash_range_extended PGNSP PGUID 12 1 0 0 0 f f f f t f i s 2 0 20 "3831 20" _null_ _null_ _null_ _null_ _null_ hash_range_extended _null_ _null_ _null_ ));
+DESCR("hash a range");
DATA(insert OID = 3916 ( range_typanalyze PGNSP PGUID 12 1 0 0 0 f f f f t f s s 1 0 16 "2281" _null_ _null_ _null_ _null_ _null_ range_typanalyze _null_ _null_ _null_ ));
DESCR("range typanalyze");
DATA(insert OID = 3169 ( rangesel PGNSP PGUID 12 1 0 0 0 f f f f t f s s 4 0 701 "2281 26 2281 23" _null_ _null_ _null_ _null_ _null_ rangesel _null_ _null_ _null_ ));
#define PG_RETURN_FLOAT4(x) return Float4GetDatum(x)
#define PG_RETURN_FLOAT8(x) return Float8GetDatum(x)
#define PG_RETURN_INT64(x) return Int64GetDatum(x)
+#define PG_RETURN_UINT64(x) return UInt64GetDatum(x)
/* RETURN macros for other pass-by-ref types will typically look like this: */
#define PG_RETURN_BYTEA_P(x) PG_RETURN_POINTER(x)
#define PG_RETURN_TEXT_P(x) PG_RETURN_POINTER(x)
extern bool JsonbDeepContains(JsonbIterator **val,
JsonbIterator **mContained);
extern void JsonbHashScalarValue(const JsonbValue *scalarVal, uint32 *hash);
+extern void JsonbHashScalarValueExtended(const JsonbValue *scalarVal,
+ uint64 *hash, uint64 seed);
/* jsonb.c support functions */
extern char *JsonbToCString(StringInfo out, JsonbContainer *in,
Oid gt_opr; /* the greater-than operator */
Oid cmp_proc; /* the btree comparison function */
Oid hash_proc; /* the hash calculation function */
+ Oid hash_extended_proc; /* the extended hash calculation function */
/*
* Pre-set-up fmgr call info for the equality operator, the btree
FmgrInfo eq_opr_finfo;
FmgrInfo cmp_proc_finfo;
FmgrInfo hash_proc_finfo;
+ FmgrInfo hash_extended_proc_finfo;
/*
* Tuple descriptor if it's a composite type (row type). NULL if not
#define TYPECACHE_HASH_OPFAMILY 0x0400
#define TYPECACHE_RANGE_INFO 0x0800
#define TYPECACHE_DOMAIN_INFO 0x1000
+#define TYPECACHE_HASH_EXTENDED_PROC 0x2000
+#define TYPECACHE_HASH_EXTENDED_PROC_FINFO 0x4000
/*
* Callers wishing to maintain a long-lived reference to a domain's constraint
CREATE OPERATOR FAMILY alt_opf13 USING hash;
CREATE FUNCTION fn_opf13 (int4) RETURNS BIGINT AS 'SELECT NULL::BIGINT;' LANGUAGE SQL;
ALTER OPERATOR FAMILY alt_opf13 USING hash ADD FUNCTION 1 fn_opf13(int4);
-ERROR: hash procedures must return integer
+ERROR: hash procedure 1 must return integer
DROP OPERATOR FAMILY alt_opf13 USING hash;
ERROR: current transaction is aborted, commands ignored until end of transaction block
ROLLBACK;
CREATE OPERATOR FAMILY alt_opf15 USING hash;
CREATE FUNCTION fn_opf15 (int4, int2) RETURNS BIGINT AS 'SELECT NULL::BIGINT;' LANGUAGE SQL;
ALTER OPERATOR FAMILY alt_opf15 USING hash ADD FUNCTION 1 fn_opf15(int4, int2);
-ERROR: hash procedures must have one argument
+ERROR: hash procedure 1 must have one argument
DROP OPERATOR FAMILY alt_opf15 USING hash;
ERROR: current transaction is aborted, commands ignored until end of transaction block
ROLLBACK;
--- /dev/null
+--
+-- Test hash functions
+--
+-- When the salt is 0, the extended hash function should produce a result
+-- whose low 32 bits match the standard hash function. When the salt is
+-- not 0, we should get a different result.
+--
+SELECT v as value, hashint2(v)::bit(32) as standard,
+ hashint2extended(v, 0)::bit(32) as extended0,
+ hashint2extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0::int2), (1::int2), (17::int2), (42::int2)) x(v)
+WHERE hashint2(v)::bit(32) != hashint2extended(v, 0)::bit(32)
+ OR hashint2(v)::bit(32) = hashint2extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashint4(v)::bit(32) as standard,
+ hashint4extended(v, 0)::bit(32) as extended0,
+ hashint4extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashint4(v)::bit(32) != hashint4extended(v, 0)::bit(32)
+ OR hashint4(v)::bit(32) = hashint4extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashint8(v)::bit(32) as standard,
+ hashint8extended(v, 0)::bit(32) as extended0,
+ hashint8extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashint8(v)::bit(32) != hashint8extended(v, 0)::bit(32)
+ OR hashint8(v)::bit(32) = hashint8extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashfloat4(v)::bit(32) as standard,
+ hashfloat4extended(v, 0)::bit(32) as extended0,
+ hashfloat4extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashfloat4(v)::bit(32) != hashfloat4extended(v, 0)::bit(32)
+ OR hashfloat4(v)::bit(32) = hashfloat4extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashfloat8(v)::bit(32) as standard,
+ hashfloat8extended(v, 0)::bit(32) as extended0,
+ hashfloat8extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashfloat8(v)::bit(32) != hashfloat8extended(v, 0)::bit(32)
+ OR hashfloat8(v)::bit(32) = hashfloat8extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashoid(v)::bit(32) as standard,
+ hashoidextended(v, 0)::bit(32) as extended0,
+ hashoidextended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashoid(v)::bit(32) != hashoidextended(v, 0)::bit(32)
+ OR hashoid(v)::bit(32) = hashoidextended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashchar(v)::bit(32) as standard,
+ hashcharextended(v, 0)::bit(32) as extended0,
+ hashcharextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::"char"), ('1'), ('x'), ('X'), ('p'), ('N')) x(v)
+WHERE hashchar(v)::bit(32) != hashcharextended(v, 0)::bit(32)
+ OR hashchar(v)::bit(32) = hashcharextended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashname(v)::bit(32) as standard,
+ hashnameextended(v, 0)::bit(32) as extended0,
+ hashnameextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL), ('PostgreSQL'), ('eIpUEtqmY89'), ('AXKEJBTK'),
+ ('muop28x03'), ('yi3nm0d73')) x(v)
+WHERE hashname(v)::bit(32) != hashnameextended(v, 0)::bit(32)
+ OR hashname(v)::bit(32) = hashnameextended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashtext(v)::bit(32) as standard,
+ hashtextextended(v, 0)::bit(32) as extended0,
+ hashtextextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL), ('PostgreSQL'), ('eIpUEtqmY89'), ('AXKEJBTK'),
+ ('muop28x03'), ('yi3nm0d73')) x(v)
+WHERE hashtext(v)::bit(32) != hashtextextended(v, 0)::bit(32)
+ OR hashtext(v)::bit(32) = hashtextextended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashoidvector(v)::bit(32) as standard,
+ hashoidvectorextended(v, 0)::bit(32) as extended0,
+ hashoidvectorextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::oidvector), ('0 1 2 3 4'), ('17 18 19 20'),
+ ('42 43 42 45'), ('550273 550273 570274'),
+ ('207112489 207112499 21512 2155 372325 1363252')) x(v)
+WHERE hashoidvector(v)::bit(32) != hashoidvectorextended(v, 0)::bit(32)
+ OR hashoidvector(v)::bit(32) = hashoidvectorextended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hash_aclitem(v)::bit(32) as standard,
+ hash_aclitem_extended(v, 0)::bit(32) as extended0,
+ hash_aclitem_extended(v, 1)::bit(32) as extended1
+FROM (SELECT DISTINCT(relacl[1]) FROM pg_class LIMIT 10) x(v)
+WHERE hash_aclitem(v)::bit(32) != hash_aclitem_extended(v, 0)::bit(32)
+ OR hash_aclitem(v)::bit(32) = hash_aclitem_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashmacaddr(v)::bit(32) as standard,
+ hashmacaddrextended(v, 0)::bit(32) as extended0,
+ hashmacaddrextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::macaddr), ('08:00:2b:01:02:04'), ('08:00:2b:01:02:04'),
+ ('e2:7f:51:3e:70:49'), ('d6:a9:4a:78:1c:d5'),
+ ('ea:29:b1:5e:1f:a5')) x(v)
+WHERE hashmacaddr(v)::bit(32) != hashmacaddrextended(v, 0)::bit(32)
+ OR hashmacaddr(v)::bit(32) = hashmacaddrextended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashinet(v)::bit(32) as standard,
+ hashinetextended(v, 0)::bit(32) as extended0,
+ hashinetextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::inet), ('192.168.100.128/25'), ('192.168.100.0/8'),
+ ('172.168.10.126/16'), ('172.18.103.126/24'), ('192.188.13.16/32')) x(v)
+WHERE hashinet(v)::bit(32) != hashinetextended(v, 0)::bit(32)
+ OR hashinet(v)::bit(32) = hashinetextended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hash_numeric(v)::bit(32) as standard,
+ hash_numeric_extended(v, 0)::bit(32) as extended0,
+ hash_numeric_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1.149484958), (17.149484958), (42.149484958),
+ (149484958.550273), (2071124898672)) x(v)
+WHERE hash_numeric(v)::bit(32) != hash_numeric_extended(v, 0)::bit(32)
+ OR hash_numeric(v)::bit(32) = hash_numeric_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashmacaddr8(v)::bit(32) as standard,
+ hashmacaddr8extended(v, 0)::bit(32) as extended0,
+ hashmacaddr8extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::macaddr8), ('08:00:2b:01:02:04:36:49'),
+ ('08:00:2b:01:02:04:f0:e8'), ('e2:7f:51:3e:70:49:16:29'),
+ ('d6:a9:4a:78:1c:d5:47:32'), ('ea:29:b1:5e:1f:a5')) x(v)
+WHERE hashmacaddr8(v)::bit(32) != hashmacaddr8extended(v, 0)::bit(32)
+ OR hashmacaddr8(v)::bit(32) = hashmacaddr8extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hash_array(v)::bit(32) as standard,
+ hash_array_extended(v, 0)::bit(32) as extended0,
+ hash_array_extended(v, 1)::bit(32) as extended1
+FROM (VALUES ('{0}'::int4[]), ('{0,1,2,3,4}'), ('{17,18,19,20}'),
+ ('{42,34,65,98}'), ('{550273,590027, 870273}'),
+ ('{207112489, 807112489}')) x(v)
+WHERE hash_array(v)::bit(32) != hash_array_extended(v, 0)::bit(32)
+ OR hash_array(v)::bit(32) = hash_array_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hashbpchar(v)::bit(32) as standard,
+ hashbpcharextended(v, 0)::bit(32) as extended0,
+ hashbpcharextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL), ('PostgreSQL'), ('eIpUEtqmY89'), ('AXKEJBTK'),
+ ('muop28x03'), ('yi3nm0d73')) x(v)
+WHERE hashbpchar(v)::bit(32) != hashbpcharextended(v, 0)::bit(32)
+ OR hashbpchar(v)::bit(32) = hashbpcharextended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, time_hash(v)::bit(32) as standard,
+ time_hash_extended(v, 0)::bit(32) as extended0,
+ time_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::time), ('11:09:59'), ('1:09:59'), ('11:59:59'),
+ ('7:9:59'), ('5:15:59')) x(v)
+WHERE time_hash(v)::bit(32) != time_hash_extended(v, 0)::bit(32)
+ OR time_hash(v)::bit(32) = time_hash_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, timetz_hash(v)::bit(32) as standard,
+ timetz_hash_extended(v, 0)::bit(32) as extended0,
+ timetz_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::timetz), ('00:11:52.518762-07'), ('00:11:52.51762-08'),
+ ('00:11:52.62-01'), ('00:11:52.62+01'), ('11:59:59+04')) x(v)
+WHERE timetz_hash(v)::bit(32) != timetz_hash_extended(v, 0)::bit(32)
+ OR timetz_hash(v)::bit(32) = timetz_hash_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, interval_hash(v)::bit(32) as standard,
+ interval_hash_extended(v, 0)::bit(32) as extended0,
+ interval_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::interval),
+ ('5 month 7 day 46 minutes'), ('1 year 7 day 46 minutes'),
+ ('1 year 7 month 20 day 46 minutes'), ('5 month'),
+ ('17 year 11 month 7 day 9 hours 46 minutes 5 seconds')) x(v)
+WHERE interval_hash(v)::bit(32) != interval_hash_extended(v, 0)::bit(32)
+ OR interval_hash(v)::bit(32) = interval_hash_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, timestamp_hash(v)::bit(32) as standard,
+ timestamp_hash_extended(v, 0)::bit(32) as extended0,
+ timestamp_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::timestamp), ('2017-08-22 00:09:59.518762'),
+ ('2015-08-20 00:11:52.51762-08'),
+ ('2017-05-22 00:11:52.62-01'),
+ ('2013-08-22 00:11:52.62+01'), ('2013-08-22 11:59:59+04')) x(v)
+WHERE timestamp_hash(v)::bit(32) != timestamp_hash_extended(v, 0)::bit(32)
+ OR timestamp_hash(v)::bit(32) = timestamp_hash_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, uuid_hash(v)::bit(32) as standard,
+ uuid_hash_extended(v, 0)::bit(32) as extended0,
+ uuid_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::uuid), ('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'),
+ ('5a9ba4ac-8d6f-11e7-bb31-be2e44b06b34'),
+ ('99c6705c-d939-461c-a3c9-1690ad64ed7b'),
+ ('7deed3ca-8d6f-11e7-bb31-be2e44b06b34'),
+ ('9ad46d4f-6f2a-4edd-aadb-745993928e1e')) x(v)
+WHERE uuid_hash(v)::bit(32) != uuid_hash_extended(v, 0)::bit(32)
+ OR uuid_hash(v)::bit(32) = uuid_hash_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, pg_lsn_hash(v)::bit(32) as standard,
+ pg_lsn_hash_extended(v, 0)::bit(32) as extended0,
+ pg_lsn_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::pg_lsn), ('16/B374D84'), ('30/B374D84'),
+ ('255/B374D84'), ('25/B379D90'), ('900/F37FD90')) x(v)
+WHERE pg_lsn_hash(v)::bit(32) != pg_lsn_hash_extended(v, 0)::bit(32)
+ OR pg_lsn_hash(v)::bit(32) = pg_lsn_hash_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+CREATE TYPE mood AS ENUM ('sad', 'ok', 'happy');
+SELECT v as value, hashenum(v)::bit(32) as standard,
+ hashenumextended(v, 0)::bit(32) as extended0,
+ hashenumextended(v, 1)::bit(32) as extended1
+FROM (VALUES ('sad'::mood), ('ok'), ('happy')) x(v)
+WHERE hashenum(v)::bit(32) != hashenumextended(v, 0)::bit(32)
+ OR hashenum(v)::bit(32) = hashenumextended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+DROP TYPE mood;
+SELECT v as value, jsonb_hash(v)::bit(32) as standard,
+ jsonb_hash_extended(v, 0)::bit(32) as extended0,
+ jsonb_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::jsonb),
+ ('{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'),
+ ('{"foo": [true, "bar"], "tags": {"e": 1, "f": null}}'),
+ ('{"g": {"h": "value"}}')) x(v)
+WHERE jsonb_hash(v)::bit(32) != jsonb_hash_extended(v, 0)::bit(32)
+ OR jsonb_hash(v)::bit(32) = jsonb_hash_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
+SELECT v as value, hash_range(v)::bit(32) as standard,
+ hash_range_extended(v, 0)::bit(32) as extended0,
+ hash_range_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (int4range(10, 20)), (int4range(23, 43)),
+ (int4range(5675, 550273)),
+ (int4range(550274, 1550274)), (int4range(1550275, 208112489))) x(v)
+WHERE hash_range(v)::bit(32) != hash_range_extended(v, 0)::bit(32)
+ OR hash_range(v)::bit(32) = hash_range_extended(v, 1)::bit(32);
+ value | standard | extended0 | extended1
+-------+----------+-----------+-----------
+(0 rows)
+
# ----------
# Another group of parallel tests
# ----------
-test: create_aggregate create_function_3 create_cast constraints triggers inherit create_table_like typed_table vacuum drop_if_exists updatable_views rolenames roleattributes create_am
+test: create_aggregate create_function_3 create_cast constraints triggers inherit create_table_like typed_table vacuum drop_if_exists updatable_views rolenames roleattributes create_am hash_func
# ----------
# sanity_check does a vacuum, affecting the sort order of SELECT *
--- /dev/null
+--
+-- Test hash functions
+--
+-- When the salt is 0, the extended hash function should produce a result
+-- whose low 32 bits match the standard hash function. When the salt is
+-- not 0, we should get a different result.
+--
+
+SELECT v as value, hashint2(v)::bit(32) as standard,
+ hashint2extended(v, 0)::bit(32) as extended0,
+ hashint2extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0::int2), (1::int2), (17::int2), (42::int2)) x(v)
+WHERE hashint2(v)::bit(32) != hashint2extended(v, 0)::bit(32)
+ OR hashint2(v)::bit(32) = hashint2extended(v, 1)::bit(32);
+
+SELECT v as value, hashint4(v)::bit(32) as standard,
+ hashint4extended(v, 0)::bit(32) as extended0,
+ hashint4extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashint4(v)::bit(32) != hashint4extended(v, 0)::bit(32)
+ OR hashint4(v)::bit(32) = hashint4extended(v, 1)::bit(32);
+
+SELECT v as value, hashint8(v)::bit(32) as standard,
+ hashint8extended(v, 0)::bit(32) as extended0,
+ hashint8extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashint8(v)::bit(32) != hashint8extended(v, 0)::bit(32)
+ OR hashint8(v)::bit(32) = hashint8extended(v, 1)::bit(32);
+
+SELECT v as value, hashfloat4(v)::bit(32) as standard,
+ hashfloat4extended(v, 0)::bit(32) as extended0,
+ hashfloat4extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashfloat4(v)::bit(32) != hashfloat4extended(v, 0)::bit(32)
+ OR hashfloat4(v)::bit(32) = hashfloat4extended(v, 1)::bit(32);
+
+SELECT v as value, hashfloat8(v)::bit(32) as standard,
+ hashfloat8extended(v, 0)::bit(32) as extended0,
+ hashfloat8extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashfloat8(v)::bit(32) != hashfloat8extended(v, 0)::bit(32)
+ OR hashfloat8(v)::bit(32) = hashfloat8extended(v, 1)::bit(32);
+
+SELECT v as value, hashoid(v)::bit(32) as standard,
+ hashoidextended(v, 0)::bit(32) as extended0,
+ hashoidextended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1), (17), (42), (550273), (207112489)) x(v)
+WHERE hashoid(v)::bit(32) != hashoidextended(v, 0)::bit(32)
+ OR hashoid(v)::bit(32) = hashoidextended(v, 1)::bit(32);
+
+SELECT v as value, hashchar(v)::bit(32) as standard,
+ hashcharextended(v, 0)::bit(32) as extended0,
+ hashcharextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::"char"), ('1'), ('x'), ('X'), ('p'), ('N')) x(v)
+WHERE hashchar(v)::bit(32) != hashcharextended(v, 0)::bit(32)
+ OR hashchar(v)::bit(32) = hashcharextended(v, 1)::bit(32);
+
+SELECT v as value, hashname(v)::bit(32) as standard,
+ hashnameextended(v, 0)::bit(32) as extended0,
+ hashnameextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL), ('PostgreSQL'), ('eIpUEtqmY89'), ('AXKEJBTK'),
+ ('muop28x03'), ('yi3nm0d73')) x(v)
+WHERE hashname(v)::bit(32) != hashnameextended(v, 0)::bit(32)
+ OR hashname(v)::bit(32) = hashnameextended(v, 1)::bit(32);
+
+SELECT v as value, hashtext(v)::bit(32) as standard,
+ hashtextextended(v, 0)::bit(32) as extended0,
+ hashtextextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL), ('PostgreSQL'), ('eIpUEtqmY89'), ('AXKEJBTK'),
+ ('muop28x03'), ('yi3nm0d73')) x(v)
+WHERE hashtext(v)::bit(32) != hashtextextended(v, 0)::bit(32)
+ OR hashtext(v)::bit(32) = hashtextextended(v, 1)::bit(32);
+
+SELECT v as value, hashoidvector(v)::bit(32) as standard,
+ hashoidvectorextended(v, 0)::bit(32) as extended0,
+ hashoidvectorextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::oidvector), ('0 1 2 3 4'), ('17 18 19 20'),
+ ('42 43 42 45'), ('550273 550273 570274'),
+ ('207112489 207112499 21512 2155 372325 1363252')) x(v)
+WHERE hashoidvector(v)::bit(32) != hashoidvectorextended(v, 0)::bit(32)
+ OR hashoidvector(v)::bit(32) = hashoidvectorextended(v, 1)::bit(32);
+
+SELECT v as value, hash_aclitem(v)::bit(32) as standard,
+ hash_aclitem_extended(v, 0)::bit(32) as extended0,
+ hash_aclitem_extended(v, 1)::bit(32) as extended1
+FROM (SELECT DISTINCT(relacl[1]) FROM pg_class LIMIT 10) x(v)
+WHERE hash_aclitem(v)::bit(32) != hash_aclitem_extended(v, 0)::bit(32)
+ OR hash_aclitem(v)::bit(32) = hash_aclitem_extended(v, 1)::bit(32);
+
+SELECT v as value, hashmacaddr(v)::bit(32) as standard,
+ hashmacaddrextended(v, 0)::bit(32) as extended0,
+ hashmacaddrextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::macaddr), ('08:00:2b:01:02:04'), ('08:00:2b:01:02:04'),
+ ('e2:7f:51:3e:70:49'), ('d6:a9:4a:78:1c:d5'),
+ ('ea:29:b1:5e:1f:a5')) x(v)
+WHERE hashmacaddr(v)::bit(32) != hashmacaddrextended(v, 0)::bit(32)
+ OR hashmacaddr(v)::bit(32) = hashmacaddrextended(v, 1)::bit(32);
+
+SELECT v as value, hashinet(v)::bit(32) as standard,
+ hashinetextended(v, 0)::bit(32) as extended0,
+ hashinetextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::inet), ('192.168.100.128/25'), ('192.168.100.0/8'),
+ ('172.168.10.126/16'), ('172.18.103.126/24'), ('192.188.13.16/32')) x(v)
+WHERE hashinet(v)::bit(32) != hashinetextended(v, 0)::bit(32)
+ OR hashinet(v)::bit(32) = hashinetextended(v, 1)::bit(32);
+
+SELECT v as value, hash_numeric(v)::bit(32) as standard,
+ hash_numeric_extended(v, 0)::bit(32) as extended0,
+ hash_numeric_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (0), (1.149484958), (17.149484958), (42.149484958),
+ (149484958.550273), (2071124898672)) x(v)
+WHERE hash_numeric(v)::bit(32) != hash_numeric_extended(v, 0)::bit(32)
+ OR hash_numeric(v)::bit(32) = hash_numeric_extended(v, 1)::bit(32);
+
+SELECT v as value, hashmacaddr8(v)::bit(32) as standard,
+ hashmacaddr8extended(v, 0)::bit(32) as extended0,
+ hashmacaddr8extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::macaddr8), ('08:00:2b:01:02:04:36:49'),
+ ('08:00:2b:01:02:04:f0:e8'), ('e2:7f:51:3e:70:49:16:29'),
+ ('d6:a9:4a:78:1c:d5:47:32'), ('ea:29:b1:5e:1f:a5')) x(v)
+WHERE hashmacaddr8(v)::bit(32) != hashmacaddr8extended(v, 0)::bit(32)
+ OR hashmacaddr8(v)::bit(32) = hashmacaddr8extended(v, 1)::bit(32);
+
+SELECT v as value, hash_array(v)::bit(32) as standard,
+ hash_array_extended(v, 0)::bit(32) as extended0,
+ hash_array_extended(v, 1)::bit(32) as extended1
+FROM (VALUES ('{0}'::int4[]), ('{0,1,2,3,4}'), ('{17,18,19,20}'),
+ ('{42,34,65,98}'), ('{550273,590027, 870273}'),
+ ('{207112489, 807112489}')) x(v)
+WHERE hash_array(v)::bit(32) != hash_array_extended(v, 0)::bit(32)
+ OR hash_array(v)::bit(32) = hash_array_extended(v, 1)::bit(32);
+
+SELECT v as value, hashbpchar(v)::bit(32) as standard,
+ hashbpcharextended(v, 0)::bit(32) as extended0,
+ hashbpcharextended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL), ('PostgreSQL'), ('eIpUEtqmY89'), ('AXKEJBTK'),
+ ('muop28x03'), ('yi3nm0d73')) x(v)
+WHERE hashbpchar(v)::bit(32) != hashbpcharextended(v, 0)::bit(32)
+ OR hashbpchar(v)::bit(32) = hashbpcharextended(v, 1)::bit(32);
+
+SELECT v as value, time_hash(v)::bit(32) as standard,
+ time_hash_extended(v, 0)::bit(32) as extended0,
+ time_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::time), ('11:09:59'), ('1:09:59'), ('11:59:59'),
+ ('7:9:59'), ('5:15:59')) x(v)
+WHERE time_hash(v)::bit(32) != time_hash_extended(v, 0)::bit(32)
+ OR time_hash(v)::bit(32) = time_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, timetz_hash(v)::bit(32) as standard,
+ timetz_hash_extended(v, 0)::bit(32) as extended0,
+ timetz_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::timetz), ('00:11:52.518762-07'), ('00:11:52.51762-08'),
+ ('00:11:52.62-01'), ('00:11:52.62+01'), ('11:59:59+04')) x(v)
+WHERE timetz_hash(v)::bit(32) != timetz_hash_extended(v, 0)::bit(32)
+ OR timetz_hash(v)::bit(32) = timetz_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, interval_hash(v)::bit(32) as standard,
+ interval_hash_extended(v, 0)::bit(32) as extended0,
+ interval_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::interval),
+ ('5 month 7 day 46 minutes'), ('1 year 7 day 46 minutes'),
+ ('1 year 7 month 20 day 46 minutes'), ('5 month'),
+ ('17 year 11 month 7 day 9 hours 46 minutes 5 seconds')) x(v)
+WHERE interval_hash(v)::bit(32) != interval_hash_extended(v, 0)::bit(32)
+ OR interval_hash(v)::bit(32) = interval_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, timestamp_hash(v)::bit(32) as standard,
+ timestamp_hash_extended(v, 0)::bit(32) as extended0,
+ timestamp_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::timestamp), ('2017-08-22 00:09:59.518762'),
+ ('2015-08-20 00:11:52.51762-08'),
+ ('2017-05-22 00:11:52.62-01'),
+ ('2013-08-22 00:11:52.62+01'), ('2013-08-22 11:59:59+04')) x(v)
+WHERE timestamp_hash(v)::bit(32) != timestamp_hash_extended(v, 0)::bit(32)
+ OR timestamp_hash(v)::bit(32) = timestamp_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, uuid_hash(v)::bit(32) as standard,
+ uuid_hash_extended(v, 0)::bit(32) as extended0,
+ uuid_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::uuid), ('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'),
+ ('5a9ba4ac-8d6f-11e7-bb31-be2e44b06b34'),
+ ('99c6705c-d939-461c-a3c9-1690ad64ed7b'),
+ ('7deed3ca-8d6f-11e7-bb31-be2e44b06b34'),
+ ('9ad46d4f-6f2a-4edd-aadb-745993928e1e')) x(v)
+WHERE uuid_hash(v)::bit(32) != uuid_hash_extended(v, 0)::bit(32)
+ OR uuid_hash(v)::bit(32) = uuid_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, pg_lsn_hash(v)::bit(32) as standard,
+ pg_lsn_hash_extended(v, 0)::bit(32) as extended0,
+ pg_lsn_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::pg_lsn), ('16/B374D84'), ('30/B374D84'),
+ ('255/B374D84'), ('25/B379D90'), ('900/F37FD90')) x(v)
+WHERE pg_lsn_hash(v)::bit(32) != pg_lsn_hash_extended(v, 0)::bit(32)
+ OR pg_lsn_hash(v)::bit(32) = pg_lsn_hash_extended(v, 1)::bit(32);
+
+CREATE TYPE mood AS ENUM ('sad', 'ok', 'happy');
+SELECT v as value, hashenum(v)::bit(32) as standard,
+ hashenumextended(v, 0)::bit(32) as extended0,
+ hashenumextended(v, 1)::bit(32) as extended1
+FROM (VALUES ('sad'::mood), ('ok'), ('happy')) x(v)
+WHERE hashenum(v)::bit(32) != hashenumextended(v, 0)::bit(32)
+ OR hashenum(v)::bit(32) = hashenumextended(v, 1)::bit(32);
+DROP TYPE mood;
+
+SELECT v as value, jsonb_hash(v)::bit(32) as standard,
+ jsonb_hash_extended(v, 0)::bit(32) as extended0,
+ jsonb_hash_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (NULL::jsonb),
+ ('{"a": "aaa bbb ddd ccc", "b": ["eee fff ggg"], "c": {"d": "hhh iii"}}'),
+ ('{"foo": [true, "bar"], "tags": {"e": 1, "f": null}}'),
+ ('{"g": {"h": "value"}}')) x(v)
+WHERE jsonb_hash(v)::bit(32) != jsonb_hash_extended(v, 0)::bit(32)
+ OR jsonb_hash(v)::bit(32) = jsonb_hash_extended(v, 1)::bit(32);
+
+SELECT v as value, hash_range(v)::bit(32) as standard,
+ hash_range_extended(v, 0)::bit(32) as extended0,
+ hash_range_extended(v, 1)::bit(32) as extended1
+FROM (VALUES (int4range(10, 20)), (int4range(23, 43)),
+ (int4range(5675, 550273)),
+ (int4range(550274, 1550274)), (int4range(1550275, 208112489))) x(v)
+WHERE hash_range(v)::bit(32) != hash_range_extended(v, 0)::bit(32)
+ OR hash_range(v)::bit(32) = hash_range_extended(v, 1)::bit(32);
projects / postgresql / commitdiff