This graph shows which files directly or indirectly include this file:

Data Structures
struct	fasthash_state

Macros
#define	FH_SIZEOF_ACCUM sizeof(uint64)

#define	haszero64(v) (((v) - 0x0101010101010101) & ~(v) & 0x8080808080808080)

Typedefs
typedef struct fasthash_state	fasthash_state

Functions
static void	fasthash_init (fasthash_state *hs, uint64 seed)

static uint64	fasthash_mix (uint64 h, uint64 tweak)

static void	fasthash_combine (fasthash_state *hs)

static void	fasthash_accum (fasthash_state hs, const char k, size_t len)

static size_t	fasthash_accum_cstring_unaligned (fasthash_state hs, const char str)

	pg_attribute_no_sanitize_address () static inline size_t fasthash_accum_cstring_aligned(fasthash_state *hs

	Assert (PointerIsAligned(start, uint64))

	for (;;)

static size_t	fasthash_accum_cstring (fasthash_state hs, const char str)

static uint64	fasthash_final64 (fasthash_state *hs, uint64 tweak)

static uint32	fasthash_reduce32 (uint64 h)

static uint32	fasthash_final32 (fasthash_state *hs, uint64 tweak)

static uint64	fasthash64 (const char *k, size_t len, uint64 seed)

static uint32	fasthash32 (const char *k, size_t len, uint64 seed)

static uint32	hash_string (const char *s)

Variables
const char *	str

size_t	remainder = fasthash_accum_cstring_unaligned(hs, str)

uint64	zero_byte_low

return str	start

Macro Definition Documentation

◆ FH_SIZEOF_ACCUM

#define FH_SIZEOF_ACCUM sizeof(uint64)

Definition at line 109 of file hashfn_unstable.h.

◆ haszero64

#define haszero64 ( v ) (((v) - 0x0101010101010101) & ~(v) & 0x8080808080808080)

Definition at line 225 of file hashfn_unstable.h.

{
    const char *const start = str;
 
    while (*str)
    {
        size_t      chunk_len = 0;
 
        while (chunk_len < FH_SIZEOF_ACCUM && str[chunk_len] != '\0')
            chunk_len++;
 
        fasthash_accum(hs, str, chunk_len);
        str += chunk_len;
    }
 
    return str - start;
}
 
/*
 * specialized workhorse for fasthash_accum_cstring
 *
 * With an aligned pointer, we consume the string a word at a time.
 * Loading the word containing the NUL terminator cannot segfault since
 * allocation boundaries are suitably aligned. To keep from setting
 * off alarms with address sanitizers, exclude this function from
 * such testing.
 */
pg_attribute_no_sanitize_address()
static inline size_t
fasthash_accum_cstring_aligned(fasthash_state *hs, const char *str)
{
    const char *const start = str;
    size_t      remainder;
    uint64      zero_byte_low;
 
    Assert(PointerIsAligned(start, uint64));
 
    /*
     * For every chunk of input, check for zero bytes before mixing into the
     * hash. The chunk with zeros must contain the NUL terminator.
     */
    for (;;)
    {
        uint64      chunk = *(const uint64 *) str;
 
        zero_byte_low = haszero64(chunk);
        if (zero_byte_low)
            break;
 
        hs->accum = chunk;
        fasthash_combine(hs);
        str += FH_SIZEOF_ACCUM;
    }
 
    /* mix in remaining bytes */
    remainder = fasthash_accum_cstring_unaligned(hs, str);
    str += remainder;
 
    return str - start;
}
 
/*
 * Mix 'str' into the hash state and return the length of the string.
 */
static inline size_t
fasthash_accum_cstring(fasthash_state *hs, const char *str)
{
#if SIZEOF_VOID_P >= 8
 
    size_t      len;
#ifdef USE_ASSERT_CHECKING
    size_t      len_check;
    fasthash_state hs_check;
 
    memcpy(&hs_check, hs, sizeof(fasthash_state));
    len_check = fasthash_accum_cstring_unaligned(&hs_check, str);
#endif
    if (PointerIsAligned(str, uint64))
    {
        len = fasthash_accum_cstring_aligned(hs, str);
        Assert(len_check == len);
        Assert(hs_check.hash == hs->hash);
        return len;
    }
#endif                          /* SIZEOF_VOID_P */
 
    /*
     * It's not worth it to try to make the word-at-a-time optimization work
     * on 32-bit platforms.
     */
    return fasthash_accum_cstring_unaligned(hs, str);
}
 
/*
 * The finalizer
 *
 * 'tweak' is intended to be the input length when the caller doesn't know
 * the length ahead of time, such as for NUL-terminated strings, otherwise
 * zero.
 */
static inline uint64
fasthash_final64(fasthash_state *hs, uint64 tweak)
{
    return fasthash_mix(hs->hash, tweak);
}
 
/*
 * Reduce a 64-bit hash to a 32-bit hash.
 *
 * This optional step provides a bit more additional mixing compared to
 * just taking the lower 32-bits.
 */
static inline uint32
fasthash_reduce32(uint64 h)
{
    /*
     * Convert the 64-bit hashcode to Fermat residue, which shall retain
     * information from both the higher and lower parts of hashcode.
     */
    return h - (h >> 32);
}
 
/* finalize and reduce */
static inline uint32
fasthash_final32(fasthash_state *hs, uint64 tweak)
{
    return fasthash_reduce32(fasthash_final64(hs, tweak));
}
 
 
/* Standalone functions */
 
/*
 * The original fasthash64 function, re-implemented using the incremental
 * interface. Returns the same 64-bit hashcode as the original,
 * at least on little-endian machines. 'len' controls not only how
 * many bytes to hash, but also modifies the internal seed.
 * 'seed' can be zero.
 */
static inline uint64
fasthash64(const char *k, size_t len, uint64 seed)
{
    fasthash_state hs;
 
    fasthash_init(&hs, 0);
 
    /* re-initialize the seed according to input length */
    hs.hash = seed ^ (len * 0x880355f21e6d1965);
 
    while (len >= FH_SIZEOF_ACCUM)
    {
        fasthash_accum(&hs, k, FH_SIZEOF_ACCUM);
        k += FH_SIZEOF_ACCUM;
        len -= FH_SIZEOF_ACCUM;
    }
 
    fasthash_accum(&hs, k, len);
 
    /*
     * Since we already mixed the input length into the seed, we can just pass
     * zero here. This matches upstream behavior as well.
     */
    return fasthash_final64(&hs, 0);
}
 
/* like fasthash64, but returns a 32-bit hashcode */
static inline uint32
fasthash32(const char *k, size_t len, uint64 seed)
{
    return fasthash_reduce32(fasthash64(k, len, seed));
}
 
/*
 * Convenience function for hashing NUL-terminated strings
 *
 * Note: This is faster than, and computes a different result from,
 * "fasthash32(s, strlen(s))"
 */
static inline uint32
hash_string(const char *s)
{
    fasthash_state hs;
    size_t      s_len;
 
    fasthash_init(&hs, 0);
 
    /*
     * Combine string into the hash and save the length for tweaking the final
     * mix.
     */
    s_len = fasthash_accum_cstring(&hs, s);
 
    return fasthash_final32(&hs, s_len);
}
 
#endif                          /* HASHFN_UNSTABLE_H */

Typedef Documentation

◆ fasthash_state

typedef struct fasthash_state fasthash_state

Function Documentation

◆ Assert()

Assert ( PointerIsAligned(start, uint64) )

◆ fasthash32()

static uint32 fasthash32	(	const char *	k,
		size_t	len,
		uint64	seed
	)

inlinestatic

Definition at line 399 of file hashfn_unstable.h.

{
    return fasthash_reduce32(fasthash64(k, len, seed));
}

References fasthash64(), fasthash_reduce32(), and len.

Referenced by pgstat_hash_hash_key().

◆ fasthash64()

static uint64 fasthash64	(	const char *	k,
		size_t	len,
		uint64	seed
	)

inlinestatic

Definition at line 372 of file hashfn_unstable.h.

{
    fasthash_state hs;
 
    fasthash_init(&hs, 0);
 
    /* re-initialize the seed according to input length */
    hs.hash = seed ^ (len * 0x880355f21e6d1965);
 
    while (len >= FH_SIZEOF_ACCUM)
    {
        fasthash_accum(&hs, k, FH_SIZEOF_ACCUM);
        k += FH_SIZEOF_ACCUM;
        len -= FH_SIZEOF_ACCUM;
    }
 
    fasthash_accum(&hs, k, len);
 
    /*
     * Since we already mixed the input length into the seed, we can just pass
     * zero here. This matches upstream behavior as well.
     */
    return fasthash_final64(&hs, 0);
}

References fasthash_accum(), fasthash_final64(), fasthash_init(), fb(), FH_SIZEOF_ACCUM, and len.

Referenced by fasthash32().

◆ fasthash_accum()

static void fasthash_accum	(	fasthash_state *	hs,
		const char *	k,
		size_t	len
	)

inlinestatic

Definition at line 144 of file hashfn_unstable.h.

{
    uint32      lower_four;
 
    Assert(len <= FH_SIZEOF_ACCUM);
    hs->accum = 0;
 
    /*
     * For consistency, bytewise loads must match the platform's endianness.
     */
#ifdef WORDS_BIGENDIAN
    switch (len)
    {
        case 8:
            memcpy(&hs->accum, k, 8);
            break;
        case 7:
            hs->accum |= (uint64) k[6] << 8;
            pg_fallthrough;
        case 6:
            hs->accum |= (uint64) k[5] << 16;
            pg_fallthrough;
        case 5:
            hs->accum |= (uint64) k[4] << 24;
            pg_fallthrough;
        case 4:
            memcpy(&lower_four, k, sizeof(lower_four));
            hs->accum |= (uint64) lower_four << 32;
            break;
        case 3:
            hs->accum |= (uint64) k[2] << 40;
            pg_fallthrough;
        case 2:
            hs->accum |= (uint64) k[1] << 48;
            pg_fallthrough;
        case 1:
            hs->accum |= (uint64) k[0] << 56;
            break;
        case 0:
            return;
    }
#else
    switch (len)
    {
        case 8:
            memcpy(&hs->accum, k, 8);
            break;
        case 7:
            hs->accum |= (uint64) k[6] << 48;
            pg_fallthrough;
        case 6:
            hs->accum |= (uint64) k[5] << 40;
            pg_fallthrough;
        case 5:
            hs->accum |= (uint64) k[4] << 32;
            pg_fallthrough;
        case 4:
            memcpy(&lower_four, k, sizeof(lower_four));
            hs->accum |= lower_four;
            break;
        case 3:
            hs->accum |= (uint64) k[2] << 16;
            pg_fallthrough;
        case 2:
            hs->accum |= (uint64) k[1] << 8;
            pg_fallthrough;
        case 1:
            hs->accum |= (uint64) k[0];
            break;
        case 0:
            return;
    }
#endif
 
    fasthash_combine(hs);
}

References Assert, fasthash_combine(), fb(), FH_SIZEOF_ACCUM, len, memcpy(), and pg_fallthrough.

Referenced by fasthash64(), and fasthash_accum_cstring_unaligned().

◆ fasthash_accum_cstring()

static size_t fasthash_accum_cstring	(	fasthash_state *	hs,
		const char *	str
	)

inlinestatic

Definition at line 297 of file hashfn_unstable.h.

{
#if SIZEOF_VOID_P >= 8
 
    size_t      len;
#ifdef USE_ASSERT_CHECKING
    size_t      len_check;
    fasthash_state hs_check;
 
    memcpy(&hs_check, hs, sizeof(fasthash_state));
    len_check = fasthash_accum_cstring_unaligned(&hs_check, str);
#endif
    if (PointerIsAligned(str, uint64))
    {
        len = fasthash_accum_cstring_aligned(hs, str);
        Assert(len_check == len);
        Assert(hs_check.hash == hs->hash);
        return len;
    }
#endif                          /* SIZEOF_VOID_P */
 
    /*
     * It's not worth it to try to make the word-at-a-time optimization work
     * on 32-bit platforms.
     */
    return fasthash_accum_cstring_unaligned(hs, str);
}

References Assert, fasthash_accum_cstring_unaligned(), fb(), len, memcpy(), PointerIsAligned, and str.

Referenced by hash_string(), pgpa_trove_entry_hash_key(), and spcachekey_hash().

◆ fasthash_accum_cstring_unaligned()

static size_t fasthash_accum_cstring_unaligned	(	fasthash_state *	hs,
		const char *	str
	)

inlinestatic

Definition at line 232 of file hashfn_unstable.h.

{
    const char *const start = str;
 
    while (*str)
    {
        size_t      chunk_len = 0;
 
        while (chunk_len < FH_SIZEOF_ACCUM && str[chunk_len] != '\0')
            chunk_len++;
 
        fasthash_accum(hs, str, chunk_len);
        str += chunk_len;
    }
 
    return str - start;
}

References fasthash_accum(), fb(), FH_SIZEOF_ACCUM, start, and str.

Referenced by fasthash_accum_cstring().

◆ fasthash_combine()

static void fasthash_combine ( fasthash_state * hs )

inlinestatic

Definition at line 136 of file hashfn_unstable.h.

{
    hs->hash ^= fasthash_mix(hs->accum, 0);
    hs->hash *= 0x880355f21e6d1965;
}

References fasthash_mix(), and fb().

Referenced by fasthash_accum(), for(), and spcachekey_hash().

◆ fasthash_final32()

static uint32 fasthash_final32	(	fasthash_state *	hs,
		uint64	tweak
	)

inlinestatic

Definition at line 356 of file hashfn_unstable.h.

{
    return fasthash_reduce32(fasthash_final64(hs, tweak));
}

References fasthash_final64(), fasthash_reduce32(), and fb().

Referenced by hash_string(), pgpa_trove_entry_hash_key(), and spcachekey_hash().

◆ fasthash_final64()

static uint64 fasthash_final64	(	fasthash_state *	hs,
		uint64	tweak
	)

inlinestatic

Definition at line 333 of file hashfn_unstable.h.

{
    return fasthash_mix(hs->hash, tweak);
}

References fasthash_mix(), and fb().

Referenced by fasthash64(), and fasthash_final32().

◆ fasthash_init()

static void fasthash_init	(	fasthash_state *	hs,
		uint64	seed
	)

inlinestatic

Definition at line 118 of file hashfn_unstable.h.

{
    memset(hs, 0, sizeof(fasthash_state));
    hs->hash = seed ^ 0x880355f21e6d1965;
}

References fb().

Referenced by fasthash64(), hash_string(), pgpa_trove_entry_hash_key(), and spcachekey_hash().

◆ fasthash_mix()

static uint64 fasthash_mix	(	uint64	h,
		uint64	tweak
	)

inlinestatic

Definition at line 126 of file hashfn_unstable.h.

{
    h ^= (h >> 23) + tweak;
    h *= 0x2127599bf4325c37;
    h ^= h >> 47;
    return h;
}

References fb().

Referenced by fasthash_combine(), and fasthash_final64().

◆ fasthash_reduce32()

static uint32 fasthash_reduce32 ( uint64 h )

inlinestatic

Definition at line 345 of file hashfn_unstable.h.

{
    /*
     * Convert the 64-bit hashcode to Fermat residue, which shall retain
     * information from both the higher and lower parts of hashcode.
     */
    return h - (h >> 32);
}

Referenced by fasthash32(), and fasthash_final32().

◆ for()

for ( ;; )

Definition at line 273 of file hashfn_unstable.h.

    {
        uint64      chunk = *(const uint64 *) str;
 
        zero_byte_low = haszero64(chunk);
        if (zero_byte_low)
            break;
 
        hs->accum = chunk;
        fasthash_combine(hs);
        str += FH_SIZEOF_ACCUM;
    }

References fasthash_combine(), fb(), FH_SIZEOF_ACCUM, haszero64, str, and zero_byte_low.

◆ hash_string()

static uint32 hash_string ( const char * s )

inlinestatic

Definition at line 411 of file hashfn_unstable.h.

{
    fasthash_state hs;
    size_t      s_len;
 
    fasthash_init(&hs, 0);
 
    /*
     * Combine string into the hash and save the length for tweaking the final
     * mix.
     */
    s_len = fasthash_accum_cstring(&hs, s);
 
    return fasthash_final32(&hs, s_len);
}

References fasthash_accum_cstring(), fasthash_final32(), fasthash_init(), and fb().

◆ pg_attribute_no_sanitize_address()

pg_attribute_no_sanitize_address ( )

Variable Documentation

◆ remainder

remainder = fasthash_accum_cstring_unaligned(hs, str)

Definition at line 264 of file hashfn_unstable.h.

Referenced by AppendSeconds(), check_new_partition_bound(), create_hash_bounds(), div_var(), int128_div_mod_int32(), partition_hash_bsearch(), and satisfies_hash_partition().

◆ start

return str start

Definition at line 290 of file hashfn_unstable.h.

◆ str

str

Initial value:

{

const char *const start = str

Definition at line 261 of file hashfn_unstable.h.

Referenced by _add(), _mdfd_getseg(), _outA_Const(), _outA_Expr(), _outBitString(), _outBoolean(), _outBoolExpr(), _outConst(), _outExtensibleNode(), _outFloat(), _outForeignKeyOptInfo(), _outInteger(), _outList(), _outString(), add_role_attribute(), add_stringlist_item(), add_stringlist_item(), add_typedefs_from_file(), AddToDataDirLockFile(), append_with_tabs(), appendArrayEscapedString(), appendBinaryPQExpBuffer(), appendBinaryStringInfo(), appendBinaryStringInfoNT(), appendByteaLiteral(), appendConnStrVal(), appendContextKeyword(), appendEscapedValue(), appendPQExpBuffer(), appendPQExpBufferChar(), appendPQExpBufferStr(), appendPQExpBufferVA(), appendShellString(), appendShellStringNoError(), appendStringInfo(), appendStringInfoChar(), appendStringInfoRegexpSubstr(), appendStringInfoSpaces(), appendStringInfoString(), appendStringInfoStringQuoted(), appendStringInfoText(), appendStringInfoVA(), appendStringLiteral(), appendStringLiteralConn(), appendStringLiteralDQ(), ASN1_STRING_to_text(), assign_text_var(), be_lo_from_bytea(), be_lo_put(), bitposition(), bits_to_text(), bmsToString(), boolin(), booltext(), box_in(), bpcharrecv(), brin_bloom_summary_out(), brin_minmax_multi_summary_out(), build_mvdependencies(), build_mvndistinct(), byleng(), bytea_substring(), bytealike(), byteanlike(), byteaoctetlen(), cash_in(), char2wchar(), check_final_sigma(), check_recovery_target_time(), check_special_conditions(), cidin(), circle_in(), circle_out(), citext_hash(), citext_hash_extended(), cliplen(), compact_trigram(), complex_in(), concat_internal(), conninfo_uri_decode(), CopyLimitPrintoutLength(), CopySendString(), cpstrdup(), create_logical_replication_slot(), create_publication(), create_subscription(), croak_cstr(), cstr2sv(), cstring_in(), cstring_out(), cstring_recv(), cstring_send(), csv_escaped_print(), csv_print_field(), cube_in(), cube_scanner_init(), date_in(), DateTimeParseError(), db_encoding_convert(), DCH_cache_fetch(), DCH_cache_getnew(), DCH_cache_search(), DCH_to_char(), deccvasc(), DecodeDate(), DecodeDate(), DecodeISO8601Interval(), DecodeISO8601Interval(), DecodeNumber(), DecodeNumber(), DecodeNumberField(), DecodeNumberField(), DecodePosixTimezone(), DecodeTextArrayToBitmapset(), DecodeTime(), DecodeTime(), DecodeTimeCommon(), DecodeTimeForInterval(), DecodeTimezone(), DecodeTimezone(), DecodeTimezoneAbbrevPrefix(), dectoasc(), defGetStringList(), dep_attnum_list(), deparseFromExprForRel(), dequote_downcase_identifier(), destroyPQExpBuffer(), destroyStringInfo(), DirectInputFunctionCallSafe(), dostr(), DoubleMetaphone(), drop_publication(), drop_replication_slot(), dtcvasc(), ean13_in(), ecpg_build_params(), ecpg_get_data(), ecpg_raise(), ecpg_store_input(), ecpg_strndup(), ECPGconnect(), ECPGdump_a_type(), ecpyalloc(), enable_subscription(), EncodeDateOnly(), EncodeDateOnly(), EncodeDateTime(), EncodeDateTime(), EncodeInterval(), EncodeInterval(), EncodeSpecialDate(), EncodeSpecialInterval(), EncodeSpecialTimestamp(), EncodeSpecialTimestamp(), EncodeTimeOnly(), EncodeTimezone(), enlargePQExpBuffer(), enlargeStringInfo(), err_gettext(), err_sendstring(), errdetail_params(), escape_json(), escape_json(), escape_json(), escape_json_text(), escape_json_with_len(), escape_param_str(), escape_xml(), escape_yaml(), escapify(), exec_assign_c_string(), ExecEvalCoerceViaIOSafe(), ExecGetJsonValueItemString(), ExecInterpExpr(), executeLikeRegex(), ExecuteSqlCommandBuf(), executeStringInternalMethod(), ExplainPrintSettings(), ExplainProperty(), ExplainPropertyList(), ExplainQueryParameters(), ExtendBufferedRelLocal(), ExtendBufferedRelShared(), fasthash_accum_cstring(), fasthash_accum_cstring_unaligned(), fetch_function_defaults(), fill_str(), fillTrgm(), filter_read_item(), find_end_token(), find_publication(), find_str(), find_struct_member(), find_word(), findchar(), findchar2(), flush_pipe_input(), for(), forkname_chars(), format_node_dump(), func_get_detail(), generate_trgm(), generate_trgm_only(), generate_wildcard_trgm(), Generic_Text_IC_like(), get_dbname_oid_list_from_mfile(), get_nextfield(), get_str_from_var(), get_str_from_var(), get_str_from_var_sci(), get_string_attr(), get_wildcard_part(), getRightMostDot(), hstore_in(), hstore_to_json_loose(), indent_lines(), index_seq_search(), init_libpq_conn(), initPQExpBuffer(), initReadOnlyStringInfo(), initStringInfo(), initStringInfoExt(), initStringInfoFromString(), initStringInfoInternal(), InputFunctionCall(), InputFunctionCallSafe(), interpret_func_parallel(), interpret_func_volatility(), interval_in(), intoasc(), is_an_int(), is_separator_char(), isbn_in(), ismn_in(), issn_in(), IsValidJsonNumber(), item_attnum_list(), json_populate_type(), json_recv(), jsonb_object(), jsonb_object_two_arg(), jsonb_pretty(), jsonb_recv(), JsonbValue_to_SV(), JsonItemFromDatum(), jsonpath_recv(), line_decode(), line_in(), lquery_recv(), lseg_in(), ltree_recv(), ltxtq_recv(), macaddr8_in(), macaddr_in(), main(), make_text_key(), make_trigrams(), make_tsvector(), makeBitString(), makeitem(), makeString(), makeStringConst(), map_sql_value_to_xml_value(), markPQExpBufferBroken(), mb_strchr(), mxid_to_string(), my_pv_pretty(), nameiclike(), nameicnlike(), namelike(), namenlike(), namerecv(), namestrcmp(), namestrcpy(), nodeToStringInternal(), NUM_cache(), NUM_cache_fetch(), NUM_cache_getnew(), NUM_cache_search(), numeric_in(), numeric_normalize(), numeric_out(), numeric_out_sci(), object_to_string(), OidInputFunctionCall(), outBitmapset(), outChar(), outDatum(), outDouble(), outNode(), output_escaped_str(), outToken(), pair_decode(), pair_encode(), parse_affentry(), parse_args(), parse_format(), parse_hba_line(), parse_ooaffentry(), parse_snapshot(), ParseISO8601Number(), ParseISO8601Number(), parsejsonpath(), parseOidArray(), parseTypeString(), path_decode(), path_encode(), path_in(), pg_clean_ascii(), pg_dependencies_in(), pg_dependencies_out(), pg_get_expr_worker(), pg_get_function_arg_default(), pg_get_indexdef_worker(), pg_get_partkeydef_worker(), pg_get_statisticsobj_worker(), pg_get_statisticsobjdef_expressions(), pg_GSS_error_int(), pg_input_is_valid_common(), pg_is_ascii(), pg_lsn_in(), pg_lsn_in_safe(), pg_ndistinct_in(), pg_ndistinct_out(), pg_parse_query(), pg_plan_query(), pg_rewrite_query(), pg_size_bytes(), pg_snapshot_in(), pg_snapshot_out(), pg_snprintf(), pg_sprintf(), pg_str_endswith(), pg_strerror_r(), pg_strfromd(), pg_strip_crlf(), pg_ultostr(), pg_ultostr_zeropad(), pg_vsnprintf(), pg_vsprintf(), pg_wchar_strlen(), pgpa_format_advice_target(), pgpa_format_index_target(), pgpa_scanner_init(), pgsa_append_tsv_escaped_string(), pgsa_is_identifier(), pgsa_unescape_tsv_field(), pgtypes_strdup(), PGTYPESdate_defmt_asc(), PGTYPESdate_from_asc(), PGTYPESinterval_from_asc(), PGTYPESnumeric_from_asc(), PGTYPEStimestamp_defmt_asc(), PGTYPEStimestamp_defmt_scan(), PGTYPEStimestamp_from_asc(), placeChar(), plperl_sv_to_datum(), plpgsql_scanner_init(), PLy_quote_ident(), PLy_quote_literal(), PLy_quote_nullable(), PLyBytes_FromBytea(), PLyDecimal_FromNumeric(), PLyNumber_ToJsonbValue(), PLyObject_FromJsonbValue(), PLyObject_ToScalar(), PLyUnicode_ToComposite(), point_in(), poly_in(), populate_scalar(), postgres_fdw_connection(), pq_getmsgrawstring(), pq_getmsgstring(), pq_getmsgtext(), pq_puttextmessage(), pq_send_ascii_string(), pq_sendcountedtext(), pq_sendstring(), pq_sendtext(), pq_writestring(), PQenv2encoding(), PQescapeIdentifier(), PQescapeInternal(), PQescapeLiteral(), pqResultStrdup(), pretty_format_node_dump(), print_function_arguments(), printfPQExpBuffer(), printJsonPathItem(), printsimple(), process_pipe_input(), pset_quoted_string(), pts_error_callback(), quote_ident(), raw_parser(), rdatestr(), rdefmtdate(), read_char(), read_letter(), read_pattern(), read_quoted_string(), read_tablespace_map(), read_valid_char(), regexp_count(), regexp_fixed_prefix(), regexp_instr(), regexp_like(), regexp_substr(), removeStringInfoSpaces(), replace_text(), replication_scanner_init(), resetPQExpBuffer(), resetStringInfo(), rfmtdate(), RS_compile(), RS_execute(), RS_isRegis(), rstrdate(), rupshift(), sanitize_line(), ScanKeywordLookup(), scanner_init(), seg_in(), seg_scanner_init(), sendMessageToLeader(), sendMessageToWorker(), set_replication_progress(), set_string_attr(), set_var_from_non_decimal_integer_str(), set_var_from_str(), set_var_from_str(), ShowTransactionState(), ShowTransactionStateRec(), ShowUsage(), single_encode(), str2uint(), str_udeescape(), string2ean(), string_matches_pattern(), string_to_bytea_const(), string_to_const(), string_to_datum(), string_to_text(), stringToNode(), stringToNodeInternal(), strlen_max_width(), strspace_len(), strtodouble(), strtoint(), strtoint64(), substitute_path_macro(), suff_search(), syncrep_scanner_init(), termPQExpBuffer(), text_format(), text_format_append_string(), text_format_string_conversion(), text_left(), text_length(), text_reverse(), text_right(), text_substring(), text_to_bits(), texticlike(), texticnlike(), textlen(), textlike(), textnlike(), textoctetlen(), textpos(), textrecv(), tidin(), time_in(), timestamp_in(), timestamptz_in(), timetz_in(), TParserInit(), TrimTrailingZeros(), typeStringToTypeName(), unaccent_dict(), unistr(), unknownin(), unknownout(), unknownrecv(), unknownsend(), upc_in(), utf_e2u(), uuid_generate_internal(), varcharrecv(), verify_cb(), visibilitymap_set(), wait_result_to_str(), widget_in(), widget_out(), writeNodeArray(), xact_desc_relations(), xid8in(), xidin(), xml_out_internal(), xml_recv(), xmlconcat(), xmlelement(), xmlroot(), XmlTableGetValue(), XmlTableSetDocument(), and xmltotext_with_options().

◆ zero_byte_low

uint64 zero_byte_low

Definition at line 265 of file hashfn_unstable.h.

Referenced by for().

Data Structures

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ FH_SIZEOF_ACCUM

◆ haszero64

Typedef Documentation

◆ fasthash_state

Function Documentation

◆ Assert()

◆ fasthash32()

◆ fasthash64()

◆ fasthash_accum()

◆ fasthash_accum_cstring()

◆ fasthash_accum_cstring_unaligned()

◆ fasthash_combine()

◆ fasthash_final32()

◆ fasthash_final64()

◆ fasthash_init()

◆ fasthash_mix()

◆ fasthash_reduce32()

◆ for()

◆ hash_string()

◆ pg_attribute_no_sanitize_address()

Variable Documentation

◆ remainder

◆ start

◆ str

◆ zero_byte_low