builtins.h File Reference

#include "fmgr.h"
#include "nodes/nodes.h"
#include "utils/fmgrprotos.h"

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Go to the source code of this file.

Macros
#define	MAXINT8LEN   20
#define	CStringGetTextDatum(s)   PointerGetDatum(cstring_to_text(s))
#define	TextDatumGetCString(d)   text_to_cstring((text *) DatumGetPointer(d))
#define	FORMAT_TYPE_TYPEMOD_GIVEN   0x01 /* typemod defined by caller */
#define	FORMAT_TYPE_ALLOW_INVALID   0x02 /* allow invalid types */
#define	FORMAT_TYPE_FORCE_QUALIFY   0x04 /* force qualification of type */
#define	FORMAT_TYPE_INVALID_AS_NULL   0x08 /* NULL if undefined */

Functions
bool	parse_bool (const char *value, bool *result)
bool	parse_bool_with_len (const char *value, size_t len, bool *result)
void	domain_check (Datum value, bool isnull, Oid domainType, void **extra, MemoryContext mcxt)
int	errdatatype (Oid datatypeOid)
int	errdomainconstraint (Oid datatypeOid, const char *conname)
uint64	hex_encode (const char *src, size_t len, char *dst)
uint64	hex_decode (const char *src, size_t len, char *dst)
int2vector *	buildint2vector (const int16 *int2s, int n)
void	namestrcpy (Name name, const char *str)
int	namestrcmp (Name name, const char *str)
int32	pg_atoi (const char *s, int size, int c)
int16	pg_strtoint16 (const char *s)
int32	pg_strtoint32 (const char *s)
int	pg_itoa (int16 i, char *a)
int	pg_ultoa_n (uint32 l, char *a)
int	pg_ulltoa_n (uint64 l, char *a)
int	pg_ltoa (int32 l, char *a)
int	pg_lltoa (int64 ll, char *a)
char *	pg_ultostr_zeropad (char *str, uint32 value, int32 minwidth)
char *	pg_ultostr (char *str, uint32 value)
uint64	pg_strtouint64 (const char *str, char **endptr, int base)
oidvector *	buildoidvector (const Oid *oids, int n)
Oid	oidparse (Node *node)
int	oid_cmp (const void *p1, const void *p2)
char *	regexp_fixed_prefix (text *text_re, bool case_insensitive, Oid collation, bool *exact)
const char *	quote_identifier (const char *ident)
char *	quote_qualified_identifier (const char *qualifier, const char *ident)
void	generate_operator_clause (fmStringInfo buf, const char *leftop, Oid leftoptype, Oid opoid, const char *rightop, Oid rightoptype)
int	bpchartruelen (char *s, int len)
text *	cstring_to_text (const char *s)
text *	cstring_to_text_with_len (const char *s, int len)
char *	text_to_cstring (const text *t)
void	text_to_cstring_buffer (const text *src, char *dst, size_t dst_len)
int	xidComparator (const void *arg1, const void *arg2)
char *	pg_inet_cidr_ntop (int af, const void *src, int bits, char *dst, size_t size)
int	pg_inet_net_pton (int af, const char *src, void *dst, size_t size)
double	convert_network_to_scalar (Datum value, Oid typid, bool *failure)
Datum	network_scan_first (Datum in)
Datum	network_scan_last (Datum in)
void	clean_ipv6_addr (int addr_family, char *addr)
Datum	numeric_float8_no_overflow (PG_FUNCTION_ARGS)
char *	format_type_extended (Oid type_oid, int32 typemod, bits16 flags)
char *	format_type_be (Oid type_oid)
char *	format_type_be_qualified (Oid type_oid)
char *	format_type_with_typemod (Oid type_oid, int32 typemod)
int32	type_maximum_size (Oid type_oid, int32 typemod)
char *	quote_literal_cstr (const char *rawstr)

Variables
bool	quote_all_identifiers

Macro Definition Documentation

CStringGetTextDatum

#define CStringGetTextDatum

(

s

)

PointerGetDatum(cstring_to_text(s))

Definition at line 86 of file builtins.h.

Referenced by aclexplode(), AggregateCreate(), AlterCollation(), AlterDomainDefault(), AlterForeignServer(), AlterPolicy(), AlterRole(), AlterSubscription(), ApplyExtensionUpdates(), assign_text_var(), autoinc(), brin_metapage_info(), brin_page_items(), bt_page_print_tuples(), CollationCreate(), CreateComments(), CreateConstraintEntry(), CreateForeignServer(), CreatePolicy(), CreateReplicationSlot(), CreateRole(), CreateSharedComments(), CreateSubscription(), CreateTrigger(), dblink_get_connections(), dblink_get_notify(), deflist_to_tuplestore(), each_object_field_end(), elements_array_element_end(), exec_eval_using_params(), execute_extension_script(), extract_variadic_args(), fill_hba_line(), get_altertable_subcmdtypes(), get_available_versions_for_extension(), gethba_options(), GetSecurityLabel(), GetSharedSecurityLabel(), gin_page_opaque_info(), GUCArrayAdd(), heap_page_items(), heap_tuple_infomask_flags(), IdentifySystem(), insert_username(), InsertExtensionTuple(), InsertRule(), interpret_function_parameter_list(), json_object(), json_object_keys(), json_object_two_arg(), jsonb_object_keys(), page_header(), parse_ident(), pg_available_extensions(), pg_control_checkpoint(), pg_cursor(), pg_event_trigger_ddl_commands(), pg_event_trigger_dropped_objects(), pg_extension_update_paths(), pg_get_replication_slots(), pg_get_shmem_allocations(), pg_identify_object(), pg_identify_object_as_address(), pg_indexam_progress_phasename(), pg_listening_channels(), pg_lock_status(), pg_ls_dir(), pg_ls_dir_files(), pg_prepared_statement(), pg_prepared_xact(), pg_show_replication_origin_status(), pg_stat_get_activity(), pg_stat_get_archiver(), pg_stat_get_wal_receiver(), pg_stat_get_wal_senders(), pg_stat_statements_internal(), pg_stop_backup_v2(), pg_timezone_abbrevs(), pg_timezone_names(), pg_walfile_name_offset(), plpgsql_fulfill_promise(), ProcedureCreate(), publicationListToArray(), PutMemoryContextsStatsTupleStore(), replorigin_by_name(), replorigin_create(), SetSecurityLabel(), SetSharedSecurityLabel(), ssl_extension_info(), StartReplication(), StoreAttrDefault(), StorePartitionBound(), StorePartitionKey(), string_to_datum(), strlist_to_textarray(), ts_lexize(), ttdummy(), TypeCreate(), UpdateIndexRelation(), and VXIDGetDatum().

FORMAT_TYPE_ALLOW_INVALID

#define FORMAT_TYPE_ALLOW_INVALID   0x02 /* allow invalid types */

Definition at line 113 of file builtins.h.

Referenced by array_recv(), format_type(), format_type_extended(), oidvectortypes(), and record_recv().

FORMAT_TYPE_FORCE_QUALIFY

#define FORMAT_TYPE_FORCE_QUALIFY   0x04 /* force qualification of type */

Definition at line 114 of file builtins.h.

Referenced by deparse_type_name(), format_type_be_qualified(), format_type_extended(), and getObjectIdentityParts().

FORMAT_TYPE_INVALID_AS_NULL

#define FORMAT_TYPE_INVALID_AS_NULL   0x08 /* NULL if undefined */

Definition at line 115 of file builtins.h.

Referenced by format_type_extended(), getObjectDescription(), and getObjectIdentityParts().

FORMAT_TYPE_TYPEMOD_GIVEN

#define FORMAT_TYPE_TYPEMOD_GIVEN   0x01 /* typemod defined by caller */

Definition at line 112 of file builtins.h.

Referenced by deparse_type_name(), format_type(), format_type_extended(), and format_type_with_typemod().

MAXINT8LEN

#define MAXINT8LEN   20

Definition at line 22 of file builtins.h.

Referenced by int8out(), and printsimple().

TextDatumGetCString

#define TextDatumGetCString

(

d

)

text_to_cstring((text *) DatumGetPointer(d))

Definition at line 87 of file builtins.h.

Referenced by AlterCollation(), AlterDomainValidateConstraint(), AlterPolicy(), ATExecValidateConstraint(), AttrDefaultFetch(), binary_decode(), binary_encode(), binary_upgrade_create_empty_extension(), bpcharout(), build_function_result_tupdesc_d(), CheckConstraintFetch(), CloneRowTriggersToPartition(), compile_plperl_function(), compile_pltcl_function(), convert_string_datum(), DecodeTextArrayToBitmapset(), decompile_conbin(), DefineDomain(), do_compile(), DropSubscription(), exec_stmt_close(), exec_stmt_fetch(), exec_stmt_forc(), exec_stmt_open(), fetch_cursor_param_value(), fetch_function_defaults(), fetch_remote_table_info(), fetch_table_list(), fmgr_c_validator(), fmgr_info_C_lang(), fmgr_info_cxt_security(), fmgr_internal_validator(), fmgr_sql_validator(), fmgr_symbol(), func_get_detail(), generate_partition_qual(), generateClonedIndexStmt(), GenerateTypeDependencies(), get_func_arg_info(), get_func_input_arg_names(), get_func_result_name(), get_jsonb_path_all(), get_path_all(), get_qual_for_range(), get_reloptions(), get_role_password(), get_text_array_contents(), get_typdefault(), GetAggInitVal(), GetComment(), GetForeignServerExtended(), GetSecurityLabel(), GetSharedSecurityLabel(), GetSubscription(), GUCArrayAdd(), GUCArrayDelete(), GUCArrayReset(), index_concurrently_create_copy(), init_sql_fcache(), inline_function(), inline_set_returning_function(), json_object(), json_object_two_arg(), json_out(), jsonb_object(), jsonb_object_two_arg(), like_fixed_prefix(), load_domaintype_info(), make_greater_string(), MergeWithExistingConstraint(), metaphone(), parse_key_value_arrays(), parseRelOptionsInternal(), pg_get_constraintdef_worker(), pg_get_function_arg_default(), pg_get_functiondef(), pg_get_indexdef_worker(), pg_get_object_address(), pg_get_partkeydef_worker(), pg_get_triggerdef_worker(), pg_logical_slot_get_changes_guts(), pg_newlocale_from_collation(), PLy_procedure_create(), print_function_arguments(), ProcedureCreate(), ProcessGUCArray(), regex_fixed_prefix(), RelationBuildPartitionDesc(), RelationBuildPartitionKey(), RelationBuildRowSecurity(), RelationBuildRuleLock(), RelationBuildTriggers(), RelationGetDummyIndexExpressions(), RelationGetIndexAttrBitmap(), RelationGetIndexExpressions(), RelationGetIndexPredicate(), RemoveRoleFromObjectPolicy(), RenameRole(), sepgsql_restorecon(), sepgsql_setcon(), set_config_by_name(), setPathArray(), show_config_by_name(), show_config_by_name_missing_ok(), SPI_sql_row_to_xmlelement(), textarray_to_stringlist(), textarray_to_strvaluelist(), textout(), tfuncInitialize(), untransformRelOptions(), and varcharout().

Function Documentation

bpchartruelen()

int bpchartruelen	(	char *	s,
		int	len
	)

Definition at line 671 of file varchar.c.

References i.

Referenced by bcTruelen(), bpcharfastcmp_c(), varstr_abbrev_convert(), and varstrfastcmp_locale().

{
    int         i;

    /*
     * Note that we rely on the assumption that ' ' is a singleton unit on
     * every supported multibyte server encoding.
     */
    for (i = len - 1; i >= 0; i--)
    {
        if (s[i] != ' ')
            break;
    }
    return i + 1;
}

buildint2vector()

int2vector* buildint2vector	(	const int16 *	int2s,
		int	n
	)

Definition at line 114 of file int.c.

References int2vector::dataoffset, int2vector::dim1, int2vector::elemtype, Int2VectorSize, int2vector::lbound1, int2vector::ndim, palloc0(), SET_VARSIZE, and int2vector::values.

Referenced by CreateStatistics(), CreateTrigger(), StorePartitionKey(), and UpdateIndexRelation().

{
    int2vector *result;

    result = (int2vector *) palloc0(Int2VectorSize(n));

    if (n > 0 && int2s)
        memcpy(result->values, int2s, n * sizeof(int16));

    /*
     * Attach standard array header.  For historical reasons, we set the index
     * lower bound to 0 not 1.
     */
    SET_VARSIZE(result, Int2VectorSize(n));
    result->ndim = 1;
    result->dataoffset = 0;     /* never any nulls */
    result->elemtype = INT2OID;
    result->dim1 = n;
    result->lbound1 = 0;

    return result;
}

buildoidvector()

oidvector* buildoidvector	(	const Oid *	oids,
		int	n
	)

Definition at line 167 of file oid.c.

References oidvector::dataoffset, oidvector::dim1, oidvector::elemtype, oidvector::lbound1, oidvector::ndim, OidVectorSize, palloc0(), SET_VARSIZE, and oidvector::values.

Referenced by DefineAggregate(), interpret_function_parameter_list(), makeRangeConstructors(), StorePartitionKey(), and UpdateIndexRelation().

{
    oidvector  *result;

    result = (oidvector *) palloc0(OidVectorSize(n));

    if (n > 0 && oids)
        memcpy(result->values, oids, n * sizeof(Oid));

    /*
     * Attach standard array header.  For historical reasons, we set the index
     * lower bound to 0 not 1.
     */
    SET_VARSIZE(result, OidVectorSize(n));
    result->ndim = 1;
    result->dataoffset = 0;     /* never any nulls */
    result->elemtype = OIDOID;
    result->dim1 = n;
    result->lbound1 = 0;

    return result;
}

clean_ipv6_addr()

void clean_ipv6_addr	(	int	addr_family,
		char *	addr
	)

Definition at line 2118 of file network.c.

Referenced by fill_hba_line(), inet_client_addr(), inet_server_addr(), pg_stat_get_activity(), and pg_stat_get_backend_client_addr().

{
#ifdef HAVE_IPV6
    if (addr_family == AF_INET6)
    {
        char       *pct = strchr(addr, '%');

        if (pct)
            *pct = '\0';
    }
#endif
}

convert_network_to_scalar()

double convert_network_to_scalar	(	Datum	value,
		Oid	typid,
		bool *	failure
	)

Definition at line 1517 of file network.c.

References macaddr::a, macaddr8::a, macaddr::b, macaddr8::b, macaddr::c, macaddr8::c, macaddr::d, macaddr8::d, DatumGetInetPP, DatumGetMacaddr8P, DatumGetMacaddrP, macaddr::e, macaddr8::e, macaddr::f, macaddr8::f, macaddr8::g, macaddr8::h, i, ip_addr, ip_family, and PGSQL_AF_INET.

Referenced by convert_to_scalar(), gbt_inet_compress(), and gbt_inet_consistent().

{
    switch (typid)
    {
        case INETOID:
        case CIDROID:
            {
                inet       *ip = DatumGetInetPP(value);
                int         len;
                double      res;
                int         i;

                /*
                 * Note that we don't use the full address for IPv6.
                 */
                if (ip_family(ip) == PGSQL_AF_INET)
                    len = 4;
                else
                    len = 5;

                res = ip_family(ip);
                for (i = 0; i < len; i++)
                {
                    res *= 256;
                    res += ip_addr(ip)[i];
                }
                return res;
            }
        case MACADDROID:
            {
                macaddr    *mac = DatumGetMacaddrP(value);
                double      res;

                res = (mac->a << 16) | (mac->b << 8) | (mac->c);
                res *= 256 * 256 * 256;
                res += (mac->d << 16) | (mac->e << 8) | (mac->f);
                return res;
            }
        case MACADDR8OID:
            {
                macaddr8   *mac = DatumGetMacaddr8P(value);
                double      res;

                res = (mac->a << 24) | (mac->b << 16) | (mac->c << 8) | (mac->d);
                res *= ((double) 256) * 256 * 256 * 256;
                res += (mac->e << 24) | (mac->f << 16) | (mac->g << 8) | (mac->h);
                return res;
            }
    }

    *failure = true;
    return 0;
}

cstring_to_text()

text* cstring_to_text

(

const char *

s

)

Definition at line 188 of file varlena.c.

References cstring_to_text_with_len().

Referenced by array_dims(), ASN1_STRING_to_text(), booltext(), brin_page_type(), cash_words(), cidr_abbrev(), convert_charset(), cstring_to_xmltype(), current_query(), datetime_to_char_body(), dblink_build_sql_delete(), dblink_build_sql_insert(), dblink_build_sql_update(), dblink_cancel_query(), dblink_close(), dblink_connect(), dblink_disconnect(), dblink_error_message(), dblink_exec(), dblink_open(), dmetaphone(), dmetaphone_alt(), exec_assign_c_string(), executeDateTimeMethod(), filter_list_to_array(), format_type(), get_command_tag(), get_command_type(), get_jsonb_path_all(), get_scalar(), hash_page_type(), hstore_to_json(), hstore_to_json_loose(), inet_abbrev(), initcap(), json_in(), json_typeof(), jsonb_typeof(), JsonbValueAsText(), lower(), md5_bytea(), md5_text(), metaphone(), name_bpchar(), name_text(), network_host(), network_show(), oidvectortypes(), pg_collation_actual_version(), pg_collation_for(), pg_crypt(), pg_current_logfile(), pg_describe_object(), pg_export_snapshot(), pg_relation_filepath(), pg_size_pretty(), pg_size_pretty_numeric(), pg_stat_get_backend_activity(), pg_stat_get_backend_wait_event(), pg_stat_get_backend_wait_event_type(), pg_stat_get_slru(), pg_stats_ext_mcvlist_items(), pg_tablespace_location(), pg_walfile_name(), pg_xact_status(), pgsql_version(), pgxml_result_to_text(), quote_ident(), quote_ident_cstr(), quote_nullable(), sepgsql_getcon(), sepgsql_mcstrans_in(), sepgsql_mcstrans_out(), set_config_by_name(), show_all_file_settings(), show_config_by_name(), show_config_by_name_missing_ok(), ShowAllGUCConfig(), soundex(), SPI_sql_row_to_xmlelement(), split_part(), ssl_cipher(), ssl_version(), string_to_text(), text_substring(), textin(), timeofday(), to_hex32(), to_hex64(), tsquerytree(), unaccent_dict(), upper(), X509_NAME_to_text(), xml_encode_special_chars(), xml_in(), and xml_recv().

{
    return cstring_to_text_with_len(s, strlen(s));
}

cstring_to_text_with_len()

text* cstring_to_text_with_len	(	const char *	s,
		int	len
	)

Definition at line 200 of file varlena.c.

References palloc(), SET_VARSIZE, VARDATA, and VARHDRSZ.

Referenced by array_to_json(), array_to_json_pretty(), array_to_text_internal(), build_regexp_match_result(), build_regexp_split_result(), compute_tsvector_stats(), concat_internal(), cstring_to_text(), cstring_to_xmltype(), do_text_output_multiline(), dotrim(), each_object_field_end(), each_worker_jsonb(), elements_array_element_end(), ExecEvalXmlExpr(), executeDateTimeMethod(), executeLikeRegex(), fsm_page_contents(), get_array_element_end(), get_array_end(), get_object_end(), get_object_field_end(), get_scalar(), gin_extract_tsquery(), gin_extract_tsvector(), hstore_akeys(), hstore_avals(), hstore_each(), hstore_fetchval(), hstore_skeys(), hstore_slice_to_array(), hstore_svals(), hstore_to_array_internal(), hstore_to_json(), hstore_to_json_loose(), json_build_array(), json_build_array_noargs(), json_build_object(), json_build_object_noargs(), json_object(), json_object_two_arg(), json_recv(), json_strip_nulls(), jsonb_pretty(), JsonbValueAsText(), leftmostvalue_text(), LogicalOutputWrite(), parse_ident(), pg_gen_salt(), pg_gen_salt_rounds(), replace_text(), replace_text_regexp(), row_to_json(), row_to_json_pretty(), serialize_deflist(), split_part(), split_text(), ssl_extension_info(), string_agg_finalfn(), stringinfo_to_xmltype(), text_format(), text_left(), text_right(), textrecv(), to_json(), transform_json_string_values(), tsquerytree(), tsvector_to_array(), tsvector_unnest(), varchar(), varchar_input(), and xslt_process().

{
    text       *result = (text *) palloc(len + VARHDRSZ);

    SET_VARSIZE(result, len + VARHDRSZ);
    memcpy(VARDATA(result), s, len);

    return result;
}

domain_check()

void domain_check	(	Datum	value,
		bool	isnull,
		Oid	domainType,
		void **	extra,
		MemoryContext	mcxt
	)

Definition at line 327 of file domains.c.

References CurrentMemoryContext, domain_check_input(), domain_state_setup(), and DomainIOData::domain_type.

Referenced by check_domain_for_new_field(), check_domain_for_new_tuple(), expanded_record_set_fields(), hstore_populate_record(), plperl_return_next_internal(), plperl_sv_to_datum(), plpgsql_exec_function(), pltcl_build_tuple_result(), PLyObject_ToDomain(), populate_composite(), populate_domain(), and populate_recordset_record().

{
    DomainIOData *my_extra = NULL;

    if (mcxt == NULL)
        mcxt = CurrentMemoryContext;

    /*
     * We arrange to look up the needed info just once per series of calls,
     * assuming the domain type doesn't change underneath us (which really
     * shouldn't happen, but cope if it does).
     */
    if (extra)
        my_extra = (DomainIOData *) *extra;
    if (my_extra == NULL || my_extra->domain_type != domainType)
    {
        my_extra = domain_state_setup(domainType, true, mcxt);
        if (extra)
            *extra = (void *) my_extra;
    }

    /*
     * Do the necessary checks to ensure it's a valid domain value.
     */
    domain_check_input(value, isnull, my_extra);
}

errdatatype()

int errdatatype

(

Oid

datatypeOid

)

Definition at line 360 of file domains.c.

References elog, err_generic_string(), ERROR, get_namespace_name(), GETSTRUCT, HeapTupleIsValid, NameStr, ObjectIdGetDatum, PG_DIAG_DATATYPE_NAME, PG_DIAG_SCHEMA_NAME, ReleaseSysCache(), SearchSysCache1(), and TYPEOID.

Referenced by domain_check_input(), errdomainconstraint(), and ExecEvalConstraintNotNull().

{
    HeapTuple   tup;
    Form_pg_type typtup;

    tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(datatypeOid));
    if (!HeapTupleIsValid(tup))
        elog(ERROR, "cache lookup failed for type %u", datatypeOid);
    typtup = (Form_pg_type) GETSTRUCT(tup);

    err_generic_string(PG_DIAG_SCHEMA_NAME,
                       get_namespace_name(typtup->typnamespace));
    err_generic_string(PG_DIAG_DATATYPE_NAME, NameStr(typtup->typname));

    ReleaseSysCache(tup);

    return 0;                   /* return value does not matter */
}

errdomainconstraint()

int errdomainconstraint	(	Oid	datatypeOid,
		const char *	conname
	)

Definition at line 384 of file domains.c.

References err_generic_string(), errdatatype(), and PG_DIAG_CONSTRAINT_NAME.

Referenced by domain_check_input(), and ExecEvalConstraintCheck().

{
    errdatatype(datatypeOid);
    err_generic_string(PG_DIAG_CONSTRAINT_NAME, conname);

    return 0;                   /* return value does not matter */
}

format_type_be()

char* format_type_be

(

Oid

type_oid

)

Definition at line 339 of file format_type.c.

References format_type_extended().

Referenced by aclcheck_error_type(), addFamilyMember(), addRangeTableEntryForFunction(), AggregateCreate(), AlterType(), AlterTypeNamespace(), AlterTypeNamespace_oid(), AlterTypeNamespaceInternal(), AlterTypeOwner(), appendTypeNameToBuffer(), array_cat(), array_cmp(), array_contain_compare(), array_eq(), array_position_common(), array_positions(), array_recv(), array_replace_internal(), array_send(), assign_record_type_identifier(), ATAddForeignKeyConstraint(), ATExecAlterColumnType(), ATExecSetStorage(), ATPrepAlterColumnType(), brinvalidate(), btvalidate(), build_attrmap_by_name(), build_column_default(), build_datatype(), build_pertrans_for_aggref(), build_subplan(), CastCreate(), check_object_ownership(), check_of_type(), check_safe_enum_use(), check_sql_fn_retval(), check_valid_polymorphic_signature(), CheckAttributeType(), checkDomainOwner(), checkEnumOwner(), checkRuleResultList(), CheckVarSlotCompatibility(), coerce_record_to_complex(), coerce_to_boolean(), coerce_to_common_type(), coerce_to_specific_type_typmod(), coerce_type(), compare_values_of_enum(), compile_plperl_function(), compile_pltcl_function(), ComputeIndexAttrs(), ComputePartitionAttrs(), cookDefault(), create_ctas_nodata(), CreateCast(), CreateFunction(), CreateStatistics(), CreateTransform(), DefineAggregate(), DefineDomain(), DefineRange(), DefineType(), do_compile(), domain_check_input(), domain_state_setup(), dropOperators(), dropProcedures(), enforce_generic_type_consistency(), enum_first(), enum_in(), enum_last(), enum_recv(), EvaluateParams(), exec_stmt_foreach_a(), ExecCheckPlanOutput(), ExecEvalArrayExpr(), ExecEvalConstraintCheck(), ExecEvalConstraintNotNull(), ExecEvalFieldSelect(), ExecEvalParamExtern(), ExecEvalWholeRowVar(), ExecInitExprRec(), exprType(), fetch_cursor_param_value(), findRangeSubOpclass(), findTypeInputFunction(), findTypeReceiveFunction(), fmgr_sql_validator(), format_operator_extended(), format_procedure_extended(), funcname_signature_string(), get_cast_oid(), get_domain_constraint_oid(), get_expr_result_tupdesc(), get_range_io_data(), get_rels_with_domain(), get_sort_group_operators(), get_transform_oid(), get_ts_parser_func(), get_ts_template_func(), GetColumnDefCollation(), GetDefaultOpClass(), getObjectDescription(), getTypeBinaryInputInfo(), getTypeBinaryOutputInfo(), getTypeInputInfo(), getTypeOutputInfo(), hash_array(), hash_array_extended(), hash_range(), hash_range_extended(), hashvalidate(), init_params(), initArrayResultArr(), initGinState(), internal_get_result_type(), intorel_startup(), load_enum_cache_data(), logicalrep_typmap_gettypname(), lookup_rowtype_tupdesc_domain(), lookup_rowtype_tupdesc_internal(), LookupTypeNameExtended(), make_expanded_record_from_tupdesc(), make_expanded_record_from_typeid(), make_row_comparison_op(), make_scalar_array_op(), op_signature_string(), ParseFuncOrColumn(), pg_collation_for(), plperl_array_to_datum(), plperl_sv_to_datum(), plperl_validator(), plpgsql_build_variable(), plpgsql_param_eval_generic(), plpgsql_param_eval_generic_ro(), plpgsql_param_eval_recfield(), plpgsql_validator(), PLy_procedure_create(), prepare_sql_fn_parse_info(), print_function_arguments(), print_function_rettype(), print_function_trftypes(), processIndirection(), record_cmp(), record_eq(), record_image_cmp(), record_image_eq(), regtypeout(), RelationBuildPartitionKey(), RenameConstraintById(), RenameType(), resolve_anyarray_from_others(), resolve_anyelement_from_others(), ResolveOpClass(), revalidate_rectypeid(), ri_HashCompareOp(), satisfies_hash_partition(), select_common_type(), select_common_type_from_oids(), slot_store_error_callback(), spgvalidate(), storeOperators(), storeProcedures(), transformAggregateCall(), transformArrayExpr(), transformAssignedExpr(), transformAssignmentIndirection(), transformAssignmentSubscripts(), transformCollateClause(), transformColumnType(), transformContainerSubscripts(), transformContainerType(), transformFrameOffset(), transformPartitionBoundValue(), transformTypeCast(), transformXmlSerialize(), tuple_to_stringinfo(), tupledesc_match(), tuples_equal(), unknown_attribute(), validateConnectbyTupleDesc(), variable_coerce_param_hook(), and width_bucket_array().

{
    return format_type_extended(type_oid, -1, 0);
}

format_type_be_qualified()

char* format_type_be_qualified

(

Oid

type_oid

)

Definition at line 349 of file format_type.c.

References format_type_extended(), and FORMAT_TYPE_FORCE_QUALIFY.

Referenced by format_operator_extended(), format_operator_parts(), format_procedure_extended(), format_procedure_parts(), and getObjectIdentityParts().

{
    return format_type_extended(type_oid, -1, FORMAT_TYPE_FORCE_QUALIFY);
}

format_type_extended()

char* format_type_extended	(	Oid	type_oid,
		int32	typemod,
		bits16	flags
	)

Definition at line 111 of file format_type.c.

References buf, elog, ERROR, FORMAT_TYPE_ALLOW_INVALID, FORMAT_TYPE_FORCE_QUALIFY, FORMAT_TYPE_INVALID_AS_NULL, FORMAT_TYPE_TYPEMOD_GIVEN, get_namespace_name_or_temp(), GETSTRUCT, HeapTupleIsValid, InvalidOid, NameStr, ObjectIdGetDatum, printTypmod(), psprintf(), pstrdup(), quote_qualified_identifier(), ReleaseSysCache(), SearchSysCache1(), TypeIsVisible(), TYPEOID, and typname.

Referenced by array_recv(), deparse_type_name(), format_type(), format_type_be(), format_type_be_qualified(), format_type_with_typemod(), getObjectDescription(), getObjectIdentityParts(), lookup_am_handler_func(), oidvectortypes(), and record_recv().

{
    HeapTuple   tuple;
    Form_pg_type typeform;
    Oid         array_base_type;
    bool        is_array;
    char       *buf;
    bool        with_typemod;

    if (type_oid == InvalidOid)
    {
        if ((flags & FORMAT_TYPE_INVALID_AS_NULL) != 0)
            return NULL;
        else if ((flags & FORMAT_TYPE_ALLOW_INVALID) != 0)
            return pstrdup("-");
    }

    tuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(type_oid));
    if (!HeapTupleIsValid(tuple))
    {
        if ((flags & FORMAT_TYPE_INVALID_AS_NULL) != 0)
            return NULL;
        else if ((flags & FORMAT_TYPE_ALLOW_INVALID) != 0)
            return pstrdup("???");
        else
            elog(ERROR, "cache lookup failed for type %u", type_oid);
    }
    typeform = (Form_pg_type) GETSTRUCT(tuple);

    /*
     * Check if it's a regular (variable length) array type.  Fixed-length
     * array types such as "name" shouldn't get deconstructed.  As of Postgres
     * 8.1, rather than checking typlen we check the toast property, and don't
     * deconstruct "plain storage" array types --- this is because we don't
     * want to show oidvector as oid[].
     */
    array_base_type = typeform->typelem;

    if (array_base_type != InvalidOid &&
        typeform->typstorage != TYPSTORAGE_PLAIN)
    {
        /* Switch our attention to the array element type */
        ReleaseSysCache(tuple);
        tuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(array_base_type));
        if (!HeapTupleIsValid(tuple))
        {
            if ((flags & FORMAT_TYPE_INVALID_AS_NULL) != 0)
                return NULL;
            else if ((flags & FORMAT_TYPE_ALLOW_INVALID) != 0)
                return pstrdup("???[]");
            else
                elog(ERROR, "cache lookup failed for type %u", type_oid);
        }
        typeform = (Form_pg_type) GETSTRUCT(tuple);
        type_oid = array_base_type;
        is_array = true;
    }
    else
        is_array = false;

    with_typemod = (flags & FORMAT_TYPE_TYPEMOD_GIVEN) != 0 && (typemod >= 0);

    /*
     * See if we want to special-case the output for certain built-in types.
     * Note that these special cases should all correspond to special
     * productions in gram.y, to ensure that the type name will be taken as a
     * system type, not a user type of the same name.
     *
     * If we do not provide a special-case output here, the type name will be
     * handled the same way as a user type name --- in particular, it will be
     * double-quoted if it matches any lexer keyword.  This behavior is
     * essential for some cases, such as types "bit" and "char".
     */
    buf = NULL;                 /* flag for no special case */

    switch (type_oid)
    {
        case BITOID:
            if (with_typemod)
                buf = printTypmod("bit", typemod, typeform->typmodout);
            else if ((flags & FORMAT_TYPE_TYPEMOD_GIVEN) != 0)
            {
                /*
                 * bit with typmod -1 is not the same as BIT, which means
                 * BIT(1) per SQL spec.  Report it as the quoted typename so
                 * that parser will not assign a bogus typmod.
                 */
            }
            else
                buf = pstrdup("bit");
            break;

        case BOOLOID:
            buf = pstrdup("boolean");
            break;

        case BPCHAROID:
            if (with_typemod)
                buf = printTypmod("character", typemod, typeform->typmodout);
            else if ((flags & FORMAT_TYPE_TYPEMOD_GIVEN) != 0)
            {
                /*
                 * bpchar with typmod -1 is not the same as CHARACTER, which
                 * means CHARACTER(1) per SQL spec.  Report it as bpchar so
                 * that parser will not assign a bogus typmod.
                 */
            }
            else
                buf = pstrdup("character");
            break;

        case FLOAT4OID:
            buf = pstrdup("real");
            break;

        case FLOAT8OID:
            buf = pstrdup("double precision");
            break;

        case INT2OID:
            buf = pstrdup("smallint");
            break;

        case INT4OID:
            buf = pstrdup("integer");
            break;

        case INT8OID:
            buf = pstrdup("bigint");
            break;

        case NUMERICOID:
            if (with_typemod)
                buf = printTypmod("numeric", typemod, typeform->typmodout);
            else
                buf = pstrdup("numeric");
            break;

        case INTERVALOID:
            if (with_typemod)
                buf = printTypmod("interval", typemod, typeform->typmodout);
            else
                buf = pstrdup("interval");
            break;

        case TIMEOID:
            if (with_typemod)
                buf = printTypmod("time", typemod, typeform->typmodout);
            else
                buf = pstrdup("time without time zone");
            break;

        case TIMETZOID:
            if (with_typemod)
                buf = printTypmod("time", typemod, typeform->typmodout);
            else
                buf = pstrdup("time with time zone");
            break;

        case TIMESTAMPOID:
            if (with_typemod)
                buf = printTypmod("timestamp", typemod, typeform->typmodout);
            else
                buf = pstrdup("timestamp without time zone");
            break;

        case TIMESTAMPTZOID:
            if (with_typemod)
                buf = printTypmod("timestamp", typemod, typeform->typmodout);
            else
                buf = pstrdup("timestamp with time zone");
            break;

        case VARBITOID:
            if (with_typemod)
                buf = printTypmod("bit varying", typemod, typeform->typmodout);
            else
                buf = pstrdup("bit varying");
            break;

        case VARCHAROID:
            if (with_typemod)
                buf = printTypmod("character varying", typemod, typeform->typmodout);
            else
                buf = pstrdup("character varying");
            break;
    }

    if (buf == NULL)
    {
        /*
         * Default handling: report the name as it appears in the catalog.
         * Here, we must qualify the name if it is not visible in the search
         * path or if caller requests it; and we must double-quote it if it's
         * not a standard identifier or if it matches any keyword.
         */
        char       *nspname;
        char       *typname;

        if ((flags & FORMAT_TYPE_FORCE_QUALIFY) == 0 &&
            TypeIsVisible(type_oid))
            nspname = NULL;
        else
            nspname = get_namespace_name_or_temp(typeform->typnamespace);

        typname = NameStr(typeform->typname);

        buf = quote_qualified_identifier(nspname, typname);

        if (with_typemod)
            buf = printTypmod(buf, typemod, typeform->typmodout);
    }

    if (is_array)
        buf = psprintf("%s[]", buf);

    ReleaseSysCache(tuple);

    return buf;
}

format_type_with_typemod()

char* format_type_with_typemod	(	Oid	type_oid,
		int32	typemod
	)

Definition at line 358 of file format_type.c.

References format_type_extended(), and FORMAT_TYPE_TYPEMOD_GIVEN.

Referenced by analyzeCTE(), ATPrepAlterColumnType(), build_attrmap_by_position(), checkRuleResultList(), checkViewTupleDesc(), compatConnectbyTupleDescs(), get_coercion_expr(), get_const_expr(), get_from_clause_coldeflist(), get_rule_expr(), get_rule_expr_funccall(), get_tablefunc(), get_variable(), and MergeAttributes().

{
    return format_type_extended(type_oid, typemod, FORMAT_TYPE_TYPEMOD_GIVEN);
}

generate_operator_clause()

void generate_operator_clause	(	fmStringInfo	buf,
		const char *	leftop,
		Oid	leftoptype,
		Oid	opoid,
		const char *	rightop,
		Oid	rightoptype
	)

Definition at line 11117 of file ruleutils.c.

References add_cast_to(), appendStringInfo(), appendStringInfoString(), Assert, elog, ERROR, get_namespace_name(), GETSTRUCT, HeapTupleIsValid, NameStr, ObjectIdGetDatum, OPEROID, quote_identifier(), ReleaseSysCache(), and SearchSysCache1().

Referenced by refresh_by_match_merge(), and ri_GenerateQual().

{
    HeapTuple   opertup;
    Form_pg_operator operform;
    char       *oprname;
    char       *nspname;

    opertup = SearchSysCache1(OPEROID, ObjectIdGetDatum(opoid));
    if (!HeapTupleIsValid(opertup))
        elog(ERROR, "cache lookup failed for operator %u", opoid);
    operform = (Form_pg_operator) GETSTRUCT(opertup);
    Assert(operform->oprkind == 'b');
    oprname = NameStr(operform->oprname);

    nspname = get_namespace_name(operform->oprnamespace);

    appendStringInfoString(buf, leftop);
    if (leftoptype != operform->oprleft)
        add_cast_to(buf, operform->oprleft);
    appendStringInfo(buf, " OPERATOR(%s.", quote_identifier(nspname));
    appendStringInfoString(buf, oprname);
    appendStringInfo(buf, ") %s", rightop);
    if (rightoptype != operform->oprright)
        add_cast_to(buf, operform->oprright);

    ReleaseSysCache(opertup);
}

hex_decode()

uint64 hex_decode	(	const char *	src,
		size_t	len,
		char *	dst
	)

Definition at line 193 of file encode.c.

References ereport, errcode(), errmsg(), ERROR, and get_hex().

Referenced by byteain().

{
    const char *s,
               *srcend;
    char        v1,
                v2,
               *p;

    srcend = src + len;
    s = src;
    p = dst;
    while (s < srcend)
    {
        if (*s == ' ' || *s == '\n' || *s == '\t' || *s == '\r')
        {
            s++;
            continue;
        }
        v1 = get_hex(s) << 4;
        s++;
        if (s >= srcend)
            ereport(ERROR,
                    (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
                     errmsg("invalid hexadecimal data: odd number of digits")));

        v2 = get_hex(s);
        s++;
        *p++ = v1 | v2;
    }

    return p - dst;
}

hex_encode()

uint64 hex_encode	(	const char *	src,
		size_t	len,
		char *	dst
	)

Definition at line 161 of file encode.c.

References hextbl.

Referenced by AddFileToBackupManifest(), byteaout(), and SendBackupManifest().

{
    const char *end = src + len;

    while (src < end)
    {
        *dst++ = hextbl[(*src >> 4) & 0xF];
        *dst++ = hextbl[*src & 0xF];
        src++;
    }
    return (uint64) len * 2;
}

namestrcmp()

int namestrcmp	(	Name	name,
		const char *	str
	)

Definition at line 247 of file name.c.

References NAMEDATALEN, and NameStr.

Referenced by attnameAttNum(), CopyGetAttnums(), CreateTrigger(), expanded_record_lookup_field(), GetAttributeByName(), and SPI_fnumber().

{
    if (!name && !str)
        return 0;
    if (!name)
        return -1;              /* NULL < anything */
    if (!str)
        return 1;               /* NULL < anything */
    return strncmp(NameStr(*name), str, NAMEDATALEN);
}

namestrcpy()

void namestrcpy	(	Name	name,
		const char *	str
	)

Definition at line 233 of file name.c.

References NAMEDATALEN, and NameStr.

Referenced by AddEnumLabel(), AlterObjectRename_internal(), ATExecAddColumn(), CatCacheCopyKeys(), CollationCreate(), ConstructTupleDescriptor(), ConversionCreate(), CreateConstraintEntry(), CreateInitDecodingContext(), CreateOpFamily(), CreateProceduralLanguage(), CreateStatistics(), current_database(), DefineAttr(), DefineOpClass(), DefineTSConfiguration(), DefineTSDictionary(), DefineTSParser(), DefineTSTemplate(), EnumValuesCreate(), ExecTypeSetColNames(), formrdesc(), index_concurrently_swap(), insert_event_trigger_tuple(), InsertRule(), NamespaceCreate(), OperatorCreate(), OperatorShellMake(), ProcedureCreate(), RelationBuildLocalRelation(), RemoveAttributeById(), rename_policy(), renameatt_internal(), RenameConstraintById(), RenameDatabase(), RenameEnumLabel(), RenameRelationInternal(), RenameRewriteRule(), RenameSchema(), RenameTableSpace(), renametrig(), RenameTypeInternal(), ReplicationSlotCreate(), TupleDescInitBuiltinEntry(), TupleDescInitEntry(), TypeCreate(), TypeGetTupleDesc(), and TypeShellMake().

{
    /* NB: We need to zero-pad the destination. */
    strncpy(NameStr(*name), str, NAMEDATALEN);
    NameStr(*name)[NAMEDATALEN-1] = '\0';
}

network_scan_first()

Datum network_scan_first

(

Datum

in

)

Definition at line 1705 of file network.c.

References DirectFunctionCall1, and network_network().

Referenced by match_network_subset().

{
    return DirectFunctionCall1(network_network, in);
}

network_scan_last()

Datum network_scan_last

(

Datum

in

)

Definition at line 1719 of file network.c.

References DirectFunctionCall1, DirectFunctionCall2, inet_set_masklen(), Int32GetDatum, and network_broadcast().

Referenced by match_network_subset().

{
    return DirectFunctionCall2(inet_set_masklen,
                               DirectFunctionCall1(network_broadcast, in),
                               Int32GetDatum(-1));
}

numeric_float8_no_overflow()

Datum numeric_float8_no_overflow

(

PG_FUNCTION_ARGS

)

Definition at line 4337 of file numeric.c.

References get_float8_nan(), init_var_from_num(), NUMERIC_IS_NINF, NUMERIC_IS_PINF, NUMERIC_IS_SPECIAL, numericvar_to_double_no_overflow(), PG_GETARG_NUMERIC, PG_RETURN_FLOAT8, and val.

Referenced by convert_numeric_to_scalar(), and gbt_numeric_penalty().

{
    Numeric     num = PG_GETARG_NUMERIC(0);
    double      val;

    if (NUMERIC_IS_SPECIAL(num))
    {
        if (NUMERIC_IS_PINF(num))
            val = HUGE_VAL;
        else if (NUMERIC_IS_NINF(num))
            val = -HUGE_VAL;
        else
            val = get_float8_nan();
    }
    else
    {
        NumericVar  x;

        init_var_from_num(num, &x);
        val = numericvar_to_double_no_overflow(&x);
    }

    PG_RETURN_FLOAT8(val);
}

oid_cmp()

int oid_cmp	(	const void *	p1,
		const void *	p2
	)

Definition at line 336 of file oid.c.

Referenced by aclmembers(), AlterSubscription_refresh(), EnumValuesCreate(), and find_inheritance_children().

{
    Oid         v1 = *((const Oid *) p1);
    Oid         v2 = *((const Oid *) p2);

    if (v1 < v2)
        return -1;
    if (v1 > v2)
        return 1;
    return 0;
}

oidparse()

Oid oidparse

(

Node *

node

)

Definition at line 314 of file oid.c.

References elog, ERROR, intVal, InvalidOid, nodeTag, oidin_subr(), strVal, T_Float, and T_Integer.

Referenced by get_object_address(), and objectNamesToOids().

{
    switch (nodeTag(node))
    {
        case T_Integer:
            return intVal(node);
        case T_Float:

            /*
             * Values too large for int4 will be represented as Float
             * constants by the lexer.  Accept these if they are valid OID
             * strings.
             */
            return oidin_subr(strVal(node), NULL);
        default:
            elog(ERROR, "unrecognized node type: %d", (int) nodeTag(node));
    }
    return InvalidOid;          /* keep compiler quiet */
}

parse_bool()

bool parse_bool	(	const char *	value,
		bool *	result
	)

Definition at line 30 of file bool.c.

References parse_bool_with_len().

Referenced by parse_and_validate_value(), parse_basebackup_options(), parse_extension_control_file(), parse_one_reloption(), pg_decode_startup(), and ProcessStartupPacket().

{
    return parse_bool_with_len(value, strlen(value), result);
}

parse_bool_with_len()

bool parse_bool_with_len	(	const char *	value,
		size_t	len,
		bool *	result
	)

Definition at line 36 of file bool.c.

References pg_strncasecmp().

Referenced by boolin(), and parse_bool().

{
    switch (*value)
    {
        case 't':
        case 'T':
            if (pg_strncasecmp(value, "true", len) == 0)
            {
                if (result)
                    *result = true;
                return true;
            }
            break;
        case 'f':
        case 'F':
            if (pg_strncasecmp(value, "false", len) == 0)
            {
                if (result)
                    *result = false;
                return true;
            }
            break;
        case 'y':
        case 'Y':
            if (pg_strncasecmp(value, "yes", len) == 0)
            {
                if (result)
                    *result = true;
                return true;
            }
            break;
        case 'n':
        case 'N':
            if (pg_strncasecmp(value, "no", len) == 0)
            {
                if (result)
                    *result = false;
                return true;
            }
            break;
        case 'o':
        case 'O':
            /* 'o' is not unique enough */
            if (pg_strncasecmp(value, "on", (len > 2 ? len : 2)) == 0)
            {
                if (result)
                    *result = true;
                return true;
            }
            else if (pg_strncasecmp(value, "off", (len > 2 ? len : 2)) == 0)
            {
                if (result)
                    *result = false;
                return true;
            }
            break;
        case '1':
            if (len == 1)
            {
                if (result)
                    *result = true;
                return true;
            }
            break;
        case '0':
            if (len == 1)
            {
                if (result)
                    *result = false;
                return true;
            }
            break;
        default:
            break;
    }

    if (result)
        *result = false;        /* suppress compiler warning */
    return false;
}

pg_atoi()

int32 pg_atoi	(	const char *	s,
		int	size,
		int	c
	)

Definition at line 102 of file numutils.c.

References elog, ereport, errcode(), errmsg(), and ERROR.

Referenced by int2vectorin().

{
    long        l;
    char       *badp;

    /*
     * Some versions of strtol treat the empty string as an error, but some
     * seem not to.  Make an explicit test to be sure we catch it.
     */
    if (s == NULL)
        elog(ERROR, "NULL pointer");
    if (*s == 0)
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
                 errmsg("invalid input syntax for type %s: \"%s\"",
                        "integer", s)));

    errno = 0;
    l = strtol(s, &badp, 10);

    /* We made no progress parsing the string, so bail out */
    if (s == badp)
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
                 errmsg("invalid input syntax for type %s: \"%s\"",
                        "integer", s)));

    switch (size)
    {
        case sizeof(int32):
            if (errno == ERANGE
#if defined(HAVE_LONG_INT_64)
            /* won't get ERANGE on these with 64-bit longs... */
                || l < INT_MIN || l > INT_MAX
#endif
                )
                ereport(ERROR,
                        (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
                         errmsg("value \"%s\" is out of range for type %s", s,
                                "integer")));
            break;
        case sizeof(int16):
            if (errno == ERANGE || l < SHRT_MIN || l > SHRT_MAX)
                ereport(ERROR,
                        (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
                         errmsg("value \"%s\" is out of range for type %s", s,
                                "smallint")));
            break;
        case sizeof(int8):
            if (errno == ERANGE || l < SCHAR_MIN || l > SCHAR_MAX)
                ereport(ERROR,
                        (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
                         errmsg("value \"%s\" is out of range for 8-bit integer", s)));
            break;
        default:
            elog(ERROR, "unsupported result size: %d", size);
    }

    /*
     * Skip any trailing whitespace; if anything but whitespace remains before
     * the terminating character, bail out
     */
    while (*badp && *badp != c && isspace((unsigned char) *badp))
        badp++;

    if (*badp && *badp != c)
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
                 errmsg("invalid input syntax for type %s: \"%s\"",
                        "integer", s)));

    return (int32) l;
}

pg_inet_cidr_ntop()

char* pg_inet_cidr_ntop	(	int	af,
		const void *	src,
		int	bits,
		char *	dst,
		size_t	size
	)

Definition at line 56 of file inet_cidr_ntop.c.

References EAFNOSUPPORT, inet_cidr_ntop_ipv4(), inet_cidr_ntop_ipv6(), PGSQL_AF_INET, and PGSQL_AF_INET6.

Referenced by cidr_abbrev().

{
    switch (af)
    {
        case PGSQL_AF_INET:
            return inet_cidr_ntop_ipv4(src, bits, dst, size);
        case PGSQL_AF_INET6:
            return inet_cidr_ntop_ipv6(src, bits, dst, size);
        default:
            errno = EAFNOSUPPORT;
            return NULL;
    }
}

pg_inet_net_pton()

int pg_inet_net_pton	(	int	af,
		const char *	src,
		void *	dst,
		size_t	size
	)

Definition at line 62 of file inet_net_pton.c.

References EAFNOSUPPORT, inet_cidr_pton_ipv4(), inet_cidr_pton_ipv6(), inet_net_pton_ipv4(), inet_net_pton_ipv6(), PGSQL_AF_INET, and PGSQL_AF_INET6.

Referenced by network_in().

{
    switch (af)
    {
        case PGSQL_AF_INET:
            return size == -1 ?
                inet_net_pton_ipv4(src, dst) :
                inet_cidr_pton_ipv4(src, dst, size);
        case PGSQL_AF_INET6:
            return size == -1 ?
                inet_net_pton_ipv6(src, dst) :
                inet_cidr_pton_ipv6(src, dst, size);
        default:
            errno = EAFNOSUPPORT;
            return -1;
    }
}

pg_itoa()

int pg_itoa	(	int16	i,
		char *	a
	)

Definition at line 338 of file numutils.c.

References pg_ltoa().

Referenced by int2out(), int2vectorout(), LogicalTapeSetCreate(), and ltsConcatWorkerTapes().

{
    return pg_ltoa((int32) i, a);
}

pg_lltoa()

int pg_lltoa	(	int64	ll,
		char *	a
	)

Definition at line 523 of file numutils.c.

References pg_ulltoa_n(), and value.

Referenced by int8out(), and printsimple().

{
    uint64      uvalue = value;
    int         len = 0;

    if (value < 0)
    {
        uvalue = (uint64) 0 - uvalue;
        a[len++] = '-';
    }

    len += pg_ulltoa_n(uvalue, a + len);
    a[len] = '\0';
    return len;
}

pg_ltoa()

int pg_ltoa	(	int32	l,
		char *	a
	)

Definition at line 416 of file numutils.c.

References pg_ultoa_n().

Referenced by int4out(), pg_itoa(), and printsimple().

{
    uint32      uvalue = (uint32) value;
    int         len = 0;

    if (value < 0)
    {
        uvalue = (uint32) 0 - uvalue;
        a[len++] = '-';
    }
    len += pg_ultoa_n(uvalue, a + len);
    a[len] = '\0';
    return len;
}

pg_strtoint16()

int16 pg_strtoint16

(

const char *

s

)

Definition at line 187 of file numutils.c.

References ereport, errcode(), errmsg(), ERROR, likely, PG_INT16_MIN, pg_mul_s16_overflow(), pg_sub_s16_overflow(), and unlikely.

Referenced by int2in().

{
    const char *ptr = s;
    int16       tmp = 0;
    bool        neg = false;

    /* skip leading spaces */
    while (likely(*ptr) && isspace((unsigned char) *ptr))
        ptr++;

    /* handle sign */
    if (*ptr == '-')
    {
        ptr++;
        neg = true;
    }
    else if (*ptr == '+')
        ptr++;

    /* require at least one digit */
    if (unlikely(!isdigit((unsigned char) *ptr)))
        goto invalid_syntax;

    /* process digits */
    while (*ptr && isdigit((unsigned char) *ptr))
    {
        int8        digit = (*ptr++ - '0');

        if (unlikely(pg_mul_s16_overflow(tmp, 10, &tmp)) ||
            unlikely(pg_sub_s16_overflow(tmp, digit, &tmp)))
            goto out_of_range;
    }

    /* allow trailing whitespace, but not other trailing chars */
    while (*ptr != '\0' && isspace((unsigned char) *ptr))
        ptr++;

    if (unlikely(*ptr != '\0'))
        goto invalid_syntax;

    if (!neg)
    {
        /* could fail if input is most negative number */
        if (unlikely(tmp == PG_INT16_MIN))
            goto out_of_range;
        tmp = -tmp;
    }

    return tmp;

out_of_range:
    ereport(ERROR,
            (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
             errmsg("value \"%s\" is out of range for type %s",
                    s, "smallint")));

invalid_syntax:
    ereport(ERROR,
            (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
             errmsg("invalid input syntax for type %s: \"%s\"",
                    "smallint", s)));

    return 0;                   /* keep compiler quiet */
}

pg_strtoint32()

int32 pg_strtoint32

(

const char *

s

)

Definition at line 263 of file numutils.c.

References ereport, errcode(), errmsg(), ERROR, likely, PG_INT32_MIN, pg_mul_s32_overflow(), pg_sub_s32_overflow(), and unlikely.

Referenced by ArrayGetIntegerTypmods(), check_foreign_key(), int4in(), libpqrcv_endstreaming(), libpqrcv_identify_system(), pq_parse_errornotice(), prsd_headline(), and text_format().

{
    const char *ptr = s;
    int32       tmp = 0;
    bool        neg = false;

    /* skip leading spaces */
    while (likely(*ptr) && isspace((unsigned char) *ptr))
        ptr++;

    /* handle sign */
    if (*ptr == '-')
    {
        ptr++;
        neg = true;
    }
    else if (*ptr == '+')
        ptr++;

    /* require at least one digit */
    if (unlikely(!isdigit((unsigned char) *ptr)))
        goto invalid_syntax;

    /* process digits */
    while (*ptr && isdigit((unsigned char) *ptr))
    {
        int8        digit = (*ptr++ - '0');

        if (unlikely(pg_mul_s32_overflow(tmp, 10, &tmp)) ||
            unlikely(pg_sub_s32_overflow(tmp, digit, &tmp)))
            goto out_of_range;
    }

    /* allow trailing whitespace, but not other trailing chars */
    while (*ptr != '\0' && isspace((unsigned char) *ptr))
        ptr++;

    if (unlikely(*ptr != '\0'))
        goto invalid_syntax;

    if (!neg)
    {
        /* could fail if input is most negative number */
        if (unlikely(tmp == PG_INT32_MIN))
            goto out_of_range;
        tmp = -tmp;
    }

    return tmp;

out_of_range:
    ereport(ERROR,
            (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
             errmsg("value \"%s\" is out of range for type %s",
                    s, "integer")));

invalid_syntax:
    ereport(ERROR,
            (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
             errmsg("invalid input syntax for type %s: \"%s\"",
                    "integer", s)));

    return 0;                   /* keep compiler quiet */
}

pg_strtouint64()

uint64 pg_strtouint64	(	const char *	str,
		char **	endptr,
		int	base
	)

Definition at line 621 of file numutils.c.

Referenced by parse_snapshot(), and xid8in().

{
#ifdef _MSC_VER                 /* MSVC only */
    return _strtoui64(str, endptr, base);
#elif defined(HAVE_STRTOULL) && SIZEOF_LONG < 8
    return strtoull(str, endptr, base);
#else
    return strtoul(str, endptr, base);
#endif
}

pg_ulltoa_n()

int pg_ulltoa_n	(	uint64	l,
		char *	a
	)

Definition at line 436 of file numutils.c.

References decimalLength64(), DIGIT_TABLE, and i.

Referenced by pg_lltoa().

{
    int         olength,
                i = 0;
    uint32      value2;

    /* Degenerate case */
    if (value == 0)
    {
        *a = '0';
        return 1;
    }

    olength = decimalLength64(value);

    /* Compute the result string. */
    while (value >= 100000000)
    {
        const uint64 q = value / 100000000;
        uint32      value2 = (uint32) (value - 100000000 * q);

        const uint32 c = value2 % 10000;
        const uint32 d = value2 / 10000;
        const uint32 c0 = (c % 100) << 1;
        const uint32 c1 = (c / 100) << 1;
        const uint32 d0 = (d % 100) << 1;
        const uint32 d1 = (d / 100) << 1;

        char       *pos = a + olength - i;

        value = q;

        memcpy(pos - 2, DIGIT_TABLE + c0, 2);
        memcpy(pos - 4, DIGIT_TABLE + c1, 2);
        memcpy(pos - 6, DIGIT_TABLE + d0, 2);
        memcpy(pos - 8, DIGIT_TABLE + d1, 2);
        i += 8;
    }

    /* Switch to 32-bit for speed */
    value2 = (uint32) value;

    if (value2 >= 10000)
    {
        const uint32 c = value2 - 10000 * (value2 / 10000);
        const uint32 c0 = (c % 100) << 1;
        const uint32 c1 = (c / 100) << 1;

        char       *pos = a + olength - i;

        value2 /= 10000;

        memcpy(pos - 2, DIGIT_TABLE + c0, 2);
        memcpy(pos - 4, DIGIT_TABLE + c1, 2);
        i += 4;
    }
    if (value2 >= 100)
    {
        const uint32 c = (value2 % 100) << 1;
        char       *pos = a + olength - i;

        value2 /= 100;

        memcpy(pos - 2, DIGIT_TABLE + c, 2);
        i += 2;
    }
    if (value2 >= 10)
    {
        const uint32 c = value2 << 1;
        char       *pos = a + olength - i;

        memcpy(pos - 2, DIGIT_TABLE + c, 2);
    }
    else
        *a = (char) ('0' + value2);

    return olength;
}

pg_ultoa_n()

int pg_ultoa_n	(	uint32	l,
		char *	a
	)

Definition at line 351 of file numutils.c.

References decimalLength32(), DIGIT_TABLE, and i.

Referenced by pg_ltoa(), pg_ultostr(), and pg_ultostr_zeropad().

{
    int         olength,
                i = 0;

    /* Degenerate case */
    if (value == 0)
    {
        *a = '0';
        return 1;
    }

    olength = decimalLength32(value);

    /* Compute the result string. */
    while (value >= 10000)
    {
        const uint32 c = value - 10000 * (value / 10000);
        const uint32 c0 = (c % 100) << 1;
        const uint32 c1 = (c / 100) << 1;

        char       *pos = a + olength - i;

        value /= 10000;

        memcpy(pos - 2, DIGIT_TABLE + c0, 2);
        memcpy(pos - 4, DIGIT_TABLE + c1, 2);
        i += 4;
    }
    if (value >= 100)
    {
        const uint32 c = (value % 100) << 1;

        char       *pos = a + olength - i;

        value /= 100;

        memcpy(pos - 2, DIGIT_TABLE + c, 2);
        i += 2;
    }
    if (value >= 10)
    {
        const uint32 c = value << 1;

        char       *pos = a + olength - i;

        memcpy(pos - 2, DIGIT_TABLE + c, 2);
    }
    else
    {
        *a = (char) ('0' + value);
    }

    return olength;
}

pg_ultostr()

char* pg_ultostr	(	char *	str,
		uint32	value
	)

Definition at line 603 of file numutils.c.

References pg_ultoa_n().

Referenced by AppendSeconds().

{
    int         len = pg_ultoa_n(value, str);

    return str + len;
}

pg_ultostr_zeropad()

char* pg_ultostr_zeropad	(	char *	str,
		uint32	value,
		int32	minwidth
	)

Definition at line 563 of file numutils.c.

References Assert, DIGIT_TABLE, and pg_ultoa_n().

Referenced by AppendSeconds(), EncodeDateOnly(), EncodeDateTime(), EncodeTimeOnly(), and EncodeTimezone().

{
    int         len;

    Assert(minwidth > 0);

    if (value < 100 && minwidth == 2)   /* Short cut for common case */
    {
        memcpy(str, DIGIT_TABLE + value * 2, 2);
        return str + 2;
    }

    len = pg_ultoa_n(value, str);
    if (len >= minwidth)
        return str + len;

    memmove(str + minwidth - len, str, len);
    memset(str, '0', minwidth - len);
    return str + minwidth;
}

quote_identifier()

const char* quote_identifier

(

const char *

ident

)

Definition at line 10709 of file ruleutils.c.

References palloc(), pg_malloc(), quote_all_identifiers, ScanKeywordCategories, ScanKeywordLookup(), ScanKeywords, and UNRESERVED_KEYWORD.

Referenced by add_cast_to(), appendFunctionName(), ATPrepAlterColumnType(), copy_table(), decompile_column_index_array(), deparseAnalyzeSql(), deparseColumnRef(), deparseOperatorName(), deparseRelation(), DropSubscription(), execute_extension_script(), ExplainIndexScanDetails(), ExplainNode(), ExplainTargetRel(), flatten_set_variable_args(), format_operator_extended(), generate_operator_clause(), generate_operator_name(), get_column_alias_list(), get_delete_query_def(), get_from_clause_coldeflist(), get_from_clause_item(), get_insert_query_def(), get_opclass_name(), get_reloptions(), get_rule_expr(), get_rule_windowclause(), get_rule_windowspec(), get_select_query_def(), get_tablefunc(), get_target_list(), get_update_query_def(), get_update_query_targetlist_def(), get_utility_query_def(), get_variable(), get_windowfunc_expr(), get_with_clause(), getObjectIdentityParts(), initialize_worker_spi(), make_ruledef(), NameListToQuotedString(), old_9_6_invalidate_hash_indexes(), pg_get_constraintdef_worker(), pg_get_functiondef(), pg_get_indexdef_worker(), pg_get_partkeydef_worker(), pg_get_statisticsobj_worker(), pg_get_triggerdef_worker(), pg_identify_object(), PLy_quote_ident(), postgresExplainForeignScan(), postgresImportForeignSchema(), print_function_arguments(), processIndirection(), quote_ident(), quote_object_name(), quote_qualified_identifier(), regnamespaceout(), regoperout(), regroleout(), sepgsql_attribute_post_create(), sepgsql_database_post_create(), sepgsql_relation_post_create(), sepgsql_schema_post_create(), serialize_deflist(), set_frozenxids(), show_sortorder_options(), text_format_string_conversion(), and tuple_to_stringinfo().

{
    /*
     * Can avoid quoting if ident starts with a lowercase letter or underscore
     * and contains only lowercase letters, digits, and underscores, *and* is
     * not any SQL keyword.  Otherwise, supply quotes.
     */
    int         nquotes = 0;
    bool        safe;
    const char *ptr;
    char       *result;
    char       *optr;

    /*
     * would like to use <ctype.h> macros here, but they might yield unwanted
     * locale-specific results...
     */
    safe = ((ident[0] >= 'a' && ident[0] <= 'z') || ident[0] == '_');

    for (ptr = ident; *ptr; ptr++)
    {
        char        ch = *ptr;

        if ((ch >= 'a' && ch <= 'z') ||
            (ch >= '0' && ch <= '9') ||
            (ch == '_'))
        {
            /* okay */
        }
        else
        {
            safe = false;
            if (ch == '"')
                nquotes++;
        }
    }

    if (quote_all_identifiers)
        safe = false;

    if (safe)
    {
        /*
         * Check for keyword.  We quote keywords except for unreserved ones.
         * (In some cases we could avoid quoting a col_name or type_func_name
         * keyword, but it seems much harder than it's worth to tell that.)
         *
         * Note: ScanKeywordLookup() does case-insensitive comparison, but
         * that's fine, since we already know we have all-lower-case.
         */
        int         kwnum = ScanKeywordLookup(ident, &ScanKeywords);

        if (kwnum >= 0 && ScanKeywordCategories[kwnum] != UNRESERVED_KEYWORD)
            safe = false;
    }

    if (safe)
        return ident;           /* no change needed */

    result = (char *) palloc(strlen(ident) + nquotes + 2 + 1);

    optr = result;
    *optr++ = '"';
    for (ptr = ident; *ptr; ptr++)
    {
        char        ch = *ptr;

        if (ch == '"')
            *optr++ = '"';
        *optr++ = ch;
    }
    *optr++ = '"';
    *optr = '\0';

    return result;
}

quote_literal_cstr()

char* quote_literal_cstr

(

const char *

rawstr

)

Definition at line 102 of file quote.c.

References palloc(), and quote_literal_internal().

Referenced by build_tuplestore_recursively(), fetch_remote_table_info(), fetch_table_list(), get_sql_delete(), get_sql_insert(), get_sql_update(), get_tuple_of_interest(), PLy_quote_literal(), PLy_quote_nullable(), and text_format_string_conversion().

{
    char       *result;
    int         len;
    int         newlen;

    len = strlen(rawstr);
    /* We make a worst-case result area; wasting a little space is OK */
    result = palloc(len * 2 + 3 + 1);

    newlen = quote_literal_internal(result, rawstr, len);
    result[newlen] = '\0';

    return result;
}

quote_qualified_identifier()

char* quote_qualified_identifier	(	const char *	qualifier,
		const char *	ident
	)

Definition at line 10793 of file ruleutils.c.

References appendStringInfo(), appendStringInfoString(), buf, StringInfoData::data, initStringInfo(), and quote_identifier().

Referenced by check_TSCurrentConfig(), copy_table(), ExecRefreshMatView(), format_procedure_extended(), format_type_extended(), generate_collation_name(), generate_function_name(), generate_qualified_relation_name(), generate_qualified_type_name(), generate_relation_name(), getObjectDescription(), getObjectIdentityParts(), getOpFamilyDescription(), getOpFamilyIdentity(), getRelationDescription(), getRelationIdentity(), pg_decode_change(), pg_decode_truncate(), pg_get_functiondef(), pg_get_statisticsobj_worker(), pg_newlocale_from_collation(), refresh_by_match_merge(), regclassout(), regcollationout(), regconfigout(), regdictionaryout(), regprocout(), sepgsql_proc_post_create(), and transformColumnDefinition().

{
    StringInfoData buf;

    initStringInfo(&buf);
    if (qualifier)
        appendStringInfo(&buf, "%s.", quote_identifier(qualifier));
    appendStringInfoString(&buf, quote_identifier(ident));
    return buf.data;
}

regexp_fixed_prefix()

char* regexp_fixed_prefix	(	text *	text_re,
		bool	case_insensitive,
		Oid	collation,
		bool *	exact
	)

Definition at line 1499 of file regexp.c.

References Assert, pg_re_flags::cflags, CHECK_FOR_INTERRUPTS, ereport, errcode(), errmsg(), ERROR, free, palloc(), pg_database_encoding_max_length(), pg_regerror(), pg_regprefix(), pg_wchar2mb_with_len(), RE_compile_and_cache(), REG_ADVANCED, REG_EXACT, REG_ICASE, REG_NOMATCH, REG_PREFIX, and generate_unaccent_rules::str.

Referenced by regex_fixed_prefix().

{
    char       *result;
    regex_t    *re;
    int         cflags;
    int         re_result;
    pg_wchar   *str;
    size_t      slen;
    size_t      maxlen;
    char        errMsg[100];

    *exact = false;             /* default result */

    /* Compile RE */
    cflags = REG_ADVANCED;
    if (case_insensitive)
        cflags |= REG_ICASE;

    re = RE_compile_and_cache(text_re, cflags, collation);

    /* Examine it to see if there's a fixed prefix */
    re_result = pg_regprefix(re, &str, &slen);

    switch (re_result)
    {
        case REG_NOMATCH:
            return NULL;

        case REG_PREFIX:
            /* continue with wchar conversion */
            break;

        case REG_EXACT:
            *exact = true;
            /* continue with wchar conversion */
            break;

        default:
            /* re failed??? */
            CHECK_FOR_INTERRUPTS();
            pg_regerror(re_result, re, errMsg, sizeof(errMsg));
            ereport(ERROR,
                    (errcode(ERRCODE_INVALID_REGULAR_EXPRESSION),
                     errmsg("regular expression failed: %s", errMsg)));
            break;
    }

    /* Convert pg_wchar result back to database encoding */
    maxlen = pg_database_encoding_max_length() * slen + 1;
    result = (char *) palloc(maxlen);
    slen = pg_wchar2mb_with_len(str, result, slen);
    Assert(slen < maxlen);

    free(str);

    return result;
}

text_to_cstring()

char* text_to_cstring

(

const text *

t

)

Definition at line 221 of file varlena.c.

References palloc(), pfree(), pg_detoast_datum_packed(), unconstify, VARDATA_ANY, and VARSIZE_ANY_EXHDR.

Referenced by array_to_text(), array_to_text_null(), binary_upgrade_create_empty_extension(), binary_upgrade_set_missing_value(), connectby_text(), connectby_text_serial(), convert_and_check_filename(), convert_any_priv_string(), convert_column_name(), convert_database_name(), convert_foreign_data_wrapper_name(), convert_function_name(), convert_language_name(), convert_priv_string(), convert_schema_name(), convert_server_name(), convert_tablespace_name(), convert_type_name(), crosstab(), crosstab_hash(), cursor_to_xml(), cursor_to_xmlschema(), database_to_xml(), database_to_xml_and_xmlschema(), database_to_xmlschema(), datetime_to_char_body(), datum_to_json(), dblink_cancel_query(), dblink_close(), dblink_connect(), dblink_disconnect(), dblink_error_message(), dblink_exec(), dblink_fetch(), dblink_get_notify(), dblink_is_busy(), dblink_open(), dblink_record_internal(), dblink_send_query(), deserialize_deflist(), difference(), dmetaphone(), dmetaphone_alt(), do_to_timestamp(), ExecAlterExtensionStmt(), execute_extension_script(), executeDateTimeMethod(), get_raw_page_fork(), has_sequence_privilege_id_name(), has_sequence_privilege_name(), has_sequence_privilege_name_name(), json_object_field(), json_object_field_text(), jsonb_set_lax(), ltree_addtext(), ltree_textadd(), NUM_cache(), parse_datetime(), parse_ident(), pg_create_restore_point(), pg_crypt(), pg_current_logfile(), pg_get_expr_worker(), pg_get_publication_tables(), pg_get_serial_sequence(), pg_index_column_has_property(), pg_index_has_property(), pg_indexam_has_property(), pg_logical_emit_message_bytea(), pg_notify(), pg_prewarm(), pg_relation_size(), pg_replication_origin_advance(), pg_replication_origin_create(), pg_replication_origin_drop(), pg_replication_origin_oid(), pg_replication_origin_progress(), pg_replication_origin_session_setup(), pg_size_bytes(), pg_start_backup(), pg_stat_get_progress_info(), pg_stat_reset_shared(), pg_stat_reset_slru(), pgxml_texttoxmlchar(), phraseto_tsquery_byid(), plainto_tsquery_byid(), query_to_xml(), query_to_xml_and_xmlschema(), query_to_xmlschema(), quote_ident(), quote_ident_cstr(), range_constructor3(), regress_putenv(), replorigin_by_oid(), schema_to_xml(), schema_to_xml_and_xmlschema(), schema_to_xmlschema(), sepgsql_mcstrans_in(), sepgsql_mcstrans_out(), soundex(), table_to_xml(), table_to_xml_and_xmlschema(), table_to_xmlschema(), test_predtest(), text2ltree(), text_concat_ws(), textToQualifiedNameList(), to_date(), to_regclass(), to_regcollation(), to_regnamespace(), to_regoper(), to_regoperator(), to_regproc(), to_regprocedure(), to_regrole(), to_regtype(), to_timestamp(), to_tsquery_byid(), transform_string_values_scalar(), ts_stat_sql(), tsquery_rewrite_query(), tuple_data_split(), unicode_is_normalized(), unicode_normalize_func(), websearch_to_tsquery_byid(), X509_NAME_field_to_text(), xml_is_document(), xml_out_internal(), xmlconcat(), xmlpi(), xmlroot(), xpath_table(), and xslt_process().

{
    /* must cast away the const, unfortunately */
    text       *tunpacked = pg_detoast_datum_packed(unconstify(text *, t));
    int         len = VARSIZE_ANY_EXHDR(tunpacked);
    char       *result;

    result = (char *) palloc(len + 1);
    memcpy(result, VARDATA_ANY(tunpacked), len);
    result[len] = '\0';

    if (tunpacked != t)
        pfree(tunpacked);

    return result;
}

text_to_cstring_buffer()

void text_to_cstring_buffer	(	const text *	src,
		char *	dst,
		size_t	dst_len
	)

Definition at line 252 of file varlena.c.

References pfree(), pg_detoast_datum_packed(), pg_mbcliplen(), unconstify, VARDATA_ANY, and VARSIZE_ANY_EXHDR.

Referenced by be_lo_export(), lo_import_internal(), parse_sane_timezone(), pg_gen_salt(), pg_gen_salt_rounds(), timestamp_zone(), timestamptz_trunc_zone(), timestamptz_zone(), and timetz_zone().

{
    /* must cast away the const, unfortunately */
    text       *srcunpacked = pg_detoast_datum_packed(unconstify(text *, src));
    size_t      src_len = VARSIZE_ANY_EXHDR(srcunpacked);

    if (dst_len > 0)
    {
        dst_len--;
        if (dst_len >= src_len)
            dst_len = src_len;
        else                    /* ensure truncation is encoding-safe */
            dst_len = pg_mbcliplen(VARDATA_ANY(srcunpacked), src_len, dst_len);
        memcpy(dst, VARDATA_ANY(srcunpacked), dst_len);
        dst[dst_len] = '\0';
    }

    if (srcunpacked != src)
        pfree(srcunpacked);
}

type_maximum_size()

int32 type_maximum_size	(	Oid	type_oid,
		int32	typemod
	)

Definition at line 408 of file format_type.c.

References BITS_PER_BYTE, GetDatabaseEncoding(), numeric_maximum_size(), pg_encoding_max_length(), and VARHDRSZ.

Referenced by get_typavgwidth(), and heapam_relation_needs_toast_table().

{
    if (typemod < 0)
        return -1;

    switch (type_oid)
    {
        case BPCHAROID:
        case VARCHAROID:
            /* typemod includes varlena header */

            /* typemod is in characters not bytes */
            return (typemod - VARHDRSZ) *
                pg_encoding_max_length(GetDatabaseEncoding())
                + VARHDRSZ;

        case NUMERICOID:
            return numeric_maximum_size(typemod);

        case VARBITOID:
        case BITOID:
            /* typemod is the (max) number of bits */
            return (typemod + (BITS_PER_BYTE - 1)) / BITS_PER_BYTE
                + 2 * sizeof(int32);
    }

    /* Unknown type, or unlimited-width type such as 'text' */
    return -1;
}

xidComparator()

int xidComparator	(	const void *	arg1,
		const void *	arg2
	)

Definition at line 139 of file xid.c.

Referenced by ProcArrayApplyRecoveryInfo(), ReorderBufferCopySnap(), SerializeTransactionState(), SnapBuildBuildSnapshot(), SnapBuildInitialSnapshot(), and TransactionIdInArray().

{
    TransactionId xid1 = *(const TransactionId *) arg1;
    TransactionId xid2 = *(const TransactionId *) arg2;

    if (xid1 > xid2)
        return 1;
    if (xid1 < xid2)
        return -1;
    return 0;
}

Variable Documentation

quote_all_identifiers

bool quote_all_identifiers

Definition at line 316 of file ruleutils.c.

Referenced by fmtId(), main(), quote_identifier(), and setup_connection().