PostgreSQL Source Code  git master
builtins.h File Reference
#include "fmgr.h"
#include "nodes/nodes.h"
#include "utils/fmgrprotos.h"
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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)
 
int2vectorbuildint2vector (const int16 *int2s, int n)
 
void namestrcpy (Name name, const char *str)
 
int namestrcmp (Name name, const char *str)
 
int16 pg_strtoint16 (const char *s)
 
int32 pg_strtoint32 (const char *s)
 
int64 pg_strtoint64 (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)
 
oidvectorbuildoidvector (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)
 
textcstring_to_text (const char *s)
 
textcstring_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)
 
int xidLogicalComparator (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

PGDLLIMPORT bool quote_all_identifiers
 

Macro Definition Documentation

◆ CStringGetTextDatum

#define CStringGetTextDatum (   s)    PointerGetDatum(cstring_to_text(s))

Definition at line 85 of file builtins.h.

◆ FORMAT_TYPE_ALLOW_INVALID

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

Definition at line 113 of file builtins.h.

◆ FORMAT_TYPE_FORCE_QUALIFY

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

Definition at line 114 of file builtins.h.

◆ FORMAT_TYPE_INVALID_AS_NULL

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

Definition at line 115 of file builtins.h.

◆ FORMAT_TYPE_TYPEMOD_GIVEN

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

Definition at line 112 of file builtins.h.

◆ MAXINT8LEN

#define MAXINT8LEN   20

Definition at line 22 of file builtins.h.

◆ TextDatumGetCString

#define TextDatumGetCString (   d)    text_to_cstring((text *) DatumGetPointer(d))

Definition at line 86 of file builtins.h.

Function Documentation

◆ bpchartruelen()

int bpchartruelen ( char *  s,
int  len 
)

Definition at line 671 of file varchar.c.

672 {
673  int i;
674 
675  /*
676  * Note that we rely on the assumption that ' ' is a singleton unit on
677  * every supported multibyte server encoding.
678  */
679  for (i = len - 1; i >= 0; i--)
680  {
681  if (s[i] != ' ')
682  break;
683  }
684  return i + 1;
685 }
int i
Definition: isn.c:73
const void size_t len

References i, and len.

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

◆ buildint2vector()

int2vector* buildint2vector ( const int16 int2s,
int  n 
)

Definition at line 114 of file int.c.

115 {
116  int2vector *result;
117 
118  result = (int2vector *) palloc0(Int2VectorSize(n));
119 
120  if (n > 0 && int2s)
121  memcpy(result->values, int2s, n * sizeof(int16));
122 
123  /*
124  * Attach standard array header. For historical reasons, we set the index
125  * lower bound to 0 not 1.
126  */
127  SET_VARSIZE(result, Int2VectorSize(n));
128  result->ndim = 1;
129  result->dataoffset = 0; /* never any nulls */
130  result->elemtype = INT2OID;
131  result->dim1 = n;
132  result->lbound1 = 0;
133 
134  return result;
135 }
signed short int16
Definition: c.h:439
#define Int2VectorSize(n)
Definition: int.c:45
void * palloc0(Size size)
Definition: mcxt.c:1099
#define SET_VARSIZE(PTR, len)
Definition: postgres.h:342
Definition: c.h:661
int ndim
Definition: c.h:663
int dim1
Definition: c.h:666
Oid elemtype
Definition: c.h:665
int16 values[FLEXIBLE_ARRAY_MEMBER]
Definition: c.h:668
int32 dataoffset
Definition: c.h:664
int lbound1
Definition: c.h:667

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

Referenced by CreateStatistics(), CreateTriggerFiringOn(), publication_add_relation(), StorePartitionKey(), and UpdateIndexRelation().

◆ buildoidvector()

oidvector* buildoidvector ( const Oid oids,
int  n 
)

Definition at line 167 of file oid.c.

168 {
169  oidvector *result;
170 
171  result = (oidvector *) palloc0(OidVectorSize(n));
172 
173  if (n > 0 && oids)
174  memcpy(result->values, oids, n * sizeof(Oid));
175 
176  /*
177  * Attach standard array header. For historical reasons, we set the index
178  * lower bound to 0 not 1.
179  */
180  SET_VARSIZE(result, OidVectorSize(n));
181  result->ndim = 1;
182  result->dataoffset = 0; /* never any nulls */
183  result->elemtype = OIDOID;
184  result->dim1 = n;
185  result->lbound1 = 0;
186 
187  return result;
188 }
#define OidVectorSize(n)
Definition: oid.c:27
unsigned int Oid
Definition: postgres_ext.h:31
Definition: c.h:672
int dim1
Definition: c.h:677
int32 dataoffset
Definition: c.h:675
Oid elemtype
Definition: c.h:676
int lbound1
Definition: c.h:678
int ndim
Definition: c.h:674
Oid values[FLEXIBLE_ARRAY_MEMBER]
Definition: c.h:679

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(), makeMultirangeConstructors(), makeRangeConstructors(), StorePartitionKey(), and UpdateIndexRelation().

◆ clean_ipv6_addr()

void clean_ipv6_addr ( int  addr_family,
char *  addr 
)

Definition at line 2103 of file network.c.

2104 {
2105 #ifdef HAVE_IPV6
2106  if (addr_family == AF_INET6)
2107  {
2108  char *pct = strchr(addr, '%');
2109 
2110  if (pct)
2111  *pct = '\0';
2112  }
2113 #endif
2114 }

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

◆ convert_network_to_scalar()

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

Definition at line 1502 of file network.c.

1503 {
1504  switch (typid)
1505  {
1506  case INETOID:
1507  case CIDROID:
1508  {
1509  inet *ip = DatumGetInetPP(value);
1510  int len;
1511  double res;
1512  int i;
1513 
1514  /*
1515  * Note that we don't use the full address for IPv6.
1516  */
1517  if (ip_family(ip) == PGSQL_AF_INET)
1518  len = 4;
1519  else
1520  len = 5;
1521 
1522  res = ip_family(ip);
1523  for (i = 0; i < len; i++)
1524  {
1525  res *= 256;
1526  res += ip_addr(ip)[i];
1527  }
1528  return res;
1529  }
1530  case MACADDROID:
1531  {
1532  macaddr *mac = DatumGetMacaddrP(value);
1533  double res;
1534 
1535  res = (mac->a << 16) | (mac->b << 8) | (mac->c);
1536  res *= 256 * 256 * 256;
1537  res += (mac->d << 16) | (mac->e << 8) | (mac->f);
1538  return res;
1539  }
1540  case MACADDR8OID:
1541  {
1543  double res;
1544 
1545  res = (mac->a << 24) | (mac->b << 16) | (mac->c << 8) | (mac->d);
1546  res *= ((double) 256) * 256 * 256 * 256;
1547  res += (mac->e << 24) | (mac->f << 16) | (mac->g << 8) | (mac->h);
1548  return res;
1549  }
1550  }
1551 
1552  *failure = true;
1553  return 0;
1554 }
static struct @151 value
Definition: inet.h:53
Definition: inet.h:108
unsigned char c
Definition: inet.h:111
unsigned char b
Definition: inet.h:110
unsigned char d
Definition: inet.h:112
unsigned char e
Definition: inet.h:113
unsigned char g
Definition: inet.h:115
unsigned char h
Definition: inet.h:116
unsigned char a
Definition: inet.h:109
unsigned char f
Definition: inet.h:114
Definition: inet.h:95
unsigned char e
Definition: inet.h:100
unsigned char b
Definition: inet.h:97
unsigned char f
Definition: inet.h:101
unsigned char c
Definition: inet.h:98
unsigned char a
Definition: inet.h:96
unsigned char d
Definition: inet.h:99
#define ip_addr(inetptr)
Definition: inet.h:77
#define DatumGetMacaddr8P(X)
Definition: inet.h:137
#define ip_family(inetptr)
Definition: inet.h:71
#define PGSQL_AF_INET
Definition: inet.h:39
#define DatumGetInetPP(X)
Definition: inet.h:122
#define DatumGetMacaddrP(X)
Definition: inet.h:131

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, len, PGSQL_AF_INET, res, and value.

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

◆ cstring_to_text()

text* cstring_to_text ( const char *  s)

Definition at line 188 of file varlena.c.

189 {
190  return cstring_to_text_with_len(s, strlen(s));
191 }
text * cstring_to_text_with_len(const char *s, int len)
Definition: varlena.c:200

References cstring_to_text_with_len().

Referenced by array_dims(), ASN1_STRING_to_text(), booltext(), brin_minmax_multi_summary_out(), brin_page_type(), build_test_info_result(), build_test_match_result(), 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_scalar(), hash_page_type(), hstore_to_json(), hstore_to_json_loose(), inet_abbrev(), initcap(), json_in(), json_typeof(), jsonb_get_element(), jsonb_typeof(), JsonbValueAsText(), lower(), md5_bytea(), md5_text(), metaphone(), name_bpchar(), name_text(), network_host(), network_show(), oidvectortypes(), ParameterAclCreate(), ParameterAclLookup(), pg_collation_actual_version(), pg_collation_for(), pg_column_compression(), pg_crypt(), pg_current_logfile(), pg_database_collation_actual_version(), pg_describe_object(), pg_export_snapshot(), pg_get_function_sqlbody(), pg_get_statisticsobjdef_expressions(), pg_get_wal_replay_pause_state(), pg_parameter_aclmask(), 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(), split_part(), ssl_cipher(), ssl_client_dn(), ssl_issuer_dn(), ssl_version(), string_to_text(), test_canonicalize_path(), text_substring(), textin(), timeofday(), to_hex32(), to_hex64(), tsquerytree(), unaccent_dict(), upper(), xml_encode_special_chars(), xml_in(), and xml_recv().

◆ cstring_to_text_with_len()

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

Definition at line 200 of file varlena.c.

201 {
202  text *result = (text *) palloc(len + VARHDRSZ);
203 
204  SET_VARSIZE(result, len + VARHDRSZ);
205  memcpy(VARDATA(result), s, len);
206 
207  return result;
208 }
#define VARHDRSZ
Definition: c.h:638
void * palloc(Size size)
Definition: mcxt.c:1068
#define VARDATA(PTR)
Definition: postgres.h:315
Definition: c.h:633

References len, 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(), build_test_match_result(), compute_tsvector_stats(), concat_internal(), cstring_to_text(), do_text_output_multiline(), dotrim(), each_object_field_end(), each_worker_jsonb(), elements_array_element_end(), ExecEvalXmlExpr(), ExecPrepareJsonItemCoercion(), 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_subscript_fetch(), hstore_svals(), hstore_to_array_internal(), hstore_to_json(), hstore_to_json_loose(), json_build_array_noargs(), json_build_array_worker(), json_build_object_noargs(), json_build_object_worker(), 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_worker(), transform_json_string_values(), tsquerytree(), tsvector_to_array(), tsvector_unnest(), unistr(), varchar(), varchar_input(), and xslt_process().

◆ domain_check()

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

Definition at line 327 of file domains.c.

329 {
330  DomainIOData *my_extra = NULL;
331 
332  if (mcxt == NULL)
333  mcxt = CurrentMemoryContext;
334 
335  /*
336  * We arrange to look up the needed info just once per series of calls,
337  * assuming the domain type doesn't change underneath us (which really
338  * shouldn't happen, but cope if it does).
339  */
340  if (extra)
341  my_extra = (DomainIOData *) *extra;
342  if (my_extra == NULL || my_extra->domain_type != domainType)
343  {
344  my_extra = domain_state_setup(domainType, true, mcxt);
345  if (extra)
346  *extra = (void *) my_extra;
347  }
348 
349  /*
350  * Do the necessary checks to ensure it's a valid domain value.
351  */
352  domain_check_input(value, isnull, my_extra);
353 }
static void domain_check_input(Datum value, bool isnull, DomainIOData *my_extra)
Definition: domains.c:131
static DomainIOData * domain_state_setup(Oid domainType, bool binary, MemoryContext mcxt)
Definition: domains.c:73
MemoryContext CurrentMemoryContext
Definition: mcxt.c:42
Oid domain_type
Definition: domains.c:49

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

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().

◆ errdatatype()

int errdatatype ( Oid  datatypeOid)

Definition at line 360 of file domains.c.

361 {
362  HeapTuple tup;
363  Form_pg_type typtup;
364 
365  tup = SearchSysCache1(TYPEOID, ObjectIdGetDatum(datatypeOid));
366  if (!HeapTupleIsValid(tup))
367  elog(ERROR, "cache lookup failed for type %u", datatypeOid);
368  typtup = (Form_pg_type) GETSTRUCT(tup);
369 
371  get_namespace_name(typtup->typnamespace));
373 
374  ReleaseSysCache(tup);
375 
376  return 0; /* return value does not matter */
377 }
#define NameStr(name)
Definition: c.h:692
int err_generic_string(int field, const char *str)
Definition: elog.c:1346
#define ERROR
Definition: elog.h:33
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
#define GETSTRUCT(TUP)
Definition: htup_details.h:649
char * get_namespace_name(Oid nspid)
Definition: lsyscache.c:3326
FormData_pg_type * Form_pg_type
Definition: pg_type.h:261
#define ObjectIdGetDatum(X)
Definition: postgres.h:551
#define PG_DIAG_SCHEMA_NAME
Definition: postgres_ext.h:65
#define PG_DIAG_DATATYPE_NAME
Definition: postgres_ext.h:68
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1221
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:1173
@ TYPEOID
Definition: syscache.h:114

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().

◆ errdomainconstraint()

int errdomainconstraint ( Oid  datatypeOid,
const char *  conname 
)

Definition at line 384 of file domains.c.

385 {
386  errdatatype(datatypeOid);
388 
389  return 0; /* return value does not matter */
390 }
int errdatatype(Oid datatypeOid)
Definition: domains.c:360
#define PG_DIAG_CONSTRAINT_NAME
Definition: postgres_ext.h:69

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

Referenced by domain_check_input(), and ExecEvalConstraintCheck().

◆ format_type_be()

char* format_type_be ( Oid  type_oid)

Definition at line 343 of file format_type.c.

344 {
345  return format_type_extended(type_oid, -1, 0);
346 }
char * format_type_extended(Oid type_oid, int32 typemod, bits16 flags)
Definition: format_type.c:112

References format_type_extended().

Referenced by aclcheck_error_type(), addFamilyMember(), addRangeTableEntryForFunction(), AggregateCreate(), AlterType(), AlterTypeNamespace(), AlterTypeNamespace_oid(), AlterTypeNamespaceInternal(), AlterTypeOwner(), analyzeCTE(), 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_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(), coerceDefaultJsonExpr(), coerceJsonFuncExpr(), 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(), ExecBuildUpdateProjection(), ExecCheckPlanOutput(), ExecEvalArrayExpr(), ExecEvalConstraintCheck(), ExecEvalConstraintNotNull(), ExecEvalFieldSelect(), ExecEvalParamExtern(), ExecEvalWholeRowVar(), ExecInitAgg(), ExecInitExprRec(), ExecInitSubscriptingRef(), exprType(), extract_date(), fetch_cursor_param_value(), findRangeSubOpclass(), findTypeInputFunction(), findTypeReceiveFunction(), fmgr_sql_validator(), format_operator_extended(), format_procedure_extended(), funcname_signature_string(), get_cached_rowtype(), get_cast_oid(), get_domain_constraint_oid(), get_expr_result_tupdesc(), get_multirange_io_data(), get_range_io_data(), get_rels_with_domain(), get_sort_group_operators(), get_transform_oid(), get_ts_parser_func(), get_ts_template_func(), GetAttributeCompression(), GetColumnDefCollation(), GetDefaultOpClass(), getObjectDescription(), getTypeBinaryInputInfo(), getTypeBinaryOutputInfo(), getTypeInputInfo(), getTypeOutputInfo(), hash_array(), hash_array_extended(), hash_multirange(), hash_multirange_extended(), hash_range(), hash_range_extended(), hash_record(), hash_record_extended(), hashvalidate(), init_params(), initArrayResultArr(), initGinState(), internal_get_result_type(), interval_part_common(), interval_trunc(), intorel_startup(), jsonb_subscript_transform(), load_enum_cache_data(), 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(), NonFiniteTimestampTzPart(), 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(), resolve_anymultirange_from_others(), resolve_anyrange_from_others(), ResolveOpClass(), revalidate_rectypeid(), ri_HashCompareOp(), satisfies_hash_partition(), select_common_type(), select_common_type_from_oids(), spgvalidate(), storeOperators(), storeProcedures(), time_part_common(), timestamp_part_common(), timestamp_trunc(), timestamptz_part_common(), timestamptz_trunc_internal(), timetz_part_common(), transformAggregateCall(), transformArrayExpr(), transformAssignedExpr(), transformAssignmentIndirection(), transformAssignmentSubscripts(), transformCollateClause(), transformColumnType(), transformContainerSubscripts(), transformFrameOffset(), transformJsonConstructorRet(), transformJsonExprCommon(), transformJsonFuncExpr(), transformJsonIsPredicate(), transformJsonValueExprExt(), transformPartitionBoundValue(), transformPLAssignStmt(), transformTypeCast(), transformXmlSerialize(), tuple_to_stringinfo(), tupledesc_match(), tuples_equal(), unknown_attribute(), validateConnectbyTupleDesc(), variable_coerce_param_hook(), and width_bucket_array().

◆ format_type_be_qualified()

char* format_type_be_qualified ( Oid  type_oid)

◆ format_type_extended()

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

Definition at line 112 of file format_type.c.

113 {
114  HeapTuple tuple;
115  Form_pg_type typeform;
116  Oid array_base_type;
117  bool is_array;
118  char *buf;
119  bool with_typemod;
120 
121  if (type_oid == InvalidOid)
122  {
123  if ((flags & FORMAT_TYPE_INVALID_AS_NULL) != 0)
124  return NULL;
125  else if ((flags & FORMAT_TYPE_ALLOW_INVALID) != 0)
126  return pstrdup("-");
127  }
128 
129  tuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(type_oid));
130  if (!HeapTupleIsValid(tuple))
131  {
132  if ((flags & FORMAT_TYPE_INVALID_AS_NULL) != 0)
133  return NULL;
134  else if ((flags & FORMAT_TYPE_ALLOW_INVALID) != 0)
135  return pstrdup("???");
136  else
137  elog(ERROR, "cache lookup failed for type %u", type_oid);
138  }
139  typeform = (Form_pg_type) GETSTRUCT(tuple);
140 
141  /*
142  * Check if it's a "true" array type. Pseudo-array types such as "name"
143  * shouldn't get deconstructed. Also check the toast property, and don't
144  * deconstruct "plain storage" array types --- this is because we don't
145  * want to show oidvector as oid[].
146  */
147  array_base_type = typeform->typelem;
148 
149  if (IsTrueArrayType(typeform) &&
150  typeform->typstorage != TYPSTORAGE_PLAIN)
151  {
152  /* Switch our attention to the array element type */
153  ReleaseSysCache(tuple);
154  tuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(array_base_type));
155  if (!HeapTupleIsValid(tuple))
156  {
157  if ((flags & FORMAT_TYPE_INVALID_AS_NULL) != 0)
158  return NULL;
159  else if ((flags & FORMAT_TYPE_ALLOW_INVALID) != 0)
160  return pstrdup("???[]");
161  else
162  elog(ERROR, "cache lookup failed for type %u", type_oid);
163  }
164  typeform = (Form_pg_type) GETSTRUCT(tuple);
165  type_oid = array_base_type;
166  is_array = true;
167  }
168  else
169  is_array = false;
170 
171  with_typemod = (flags & FORMAT_TYPE_TYPEMOD_GIVEN) != 0 && (typemod >= 0);
172 
173  /*
174  * See if we want to special-case the output for certain built-in types.
175  * Note that these special cases should all correspond to special
176  * productions in gram.y, to ensure that the type name will be taken as a
177  * system type, not a user type of the same name.
178  *
179  * If we do not provide a special-case output here, the type name will be
180  * handled the same way as a user type name --- in particular, it will be
181  * double-quoted if it matches any lexer keyword. This behavior is
182  * essential for some cases, such as types "bit" and "char".
183  */
184  buf = NULL; /* flag for no special case */
185 
186  switch (type_oid)
187  {
188  case BITOID:
189  if (with_typemod)
190  buf = printTypmod("bit", typemod, typeform->typmodout);
191  else if ((flags & FORMAT_TYPE_TYPEMOD_GIVEN) != 0)
192  {
193  /*
194  * bit with typmod -1 is not the same as BIT, which means
195  * BIT(1) per SQL spec. Report it as the quoted typename so
196  * that parser will not assign a bogus typmod.
197  */
198  }
199  else
200  buf = pstrdup("bit");
201  break;
202 
203  case BOOLOID:
204  buf = pstrdup("boolean");
205  break;
206 
207  case BPCHAROID:
208  if (with_typemod)
209  buf = printTypmod("character", typemod, typeform->typmodout);
210  else if ((flags & FORMAT_TYPE_TYPEMOD_GIVEN) != 0)
211  {
212  /*
213  * bpchar with typmod -1 is not the same as CHARACTER, which
214  * means CHARACTER(1) per SQL spec. Report it as bpchar so
215  * that parser will not assign a bogus typmod.
216  */
217  }
218  else
219  buf = pstrdup("character");
220  break;
221 
222  case FLOAT4OID:
223  buf = pstrdup("real");
224  break;
225 
226  case FLOAT8OID:
227  buf = pstrdup("double precision");
228  break;
229 
230  case INT2OID:
231  buf = pstrdup("smallint");
232  break;
233 
234  case INT4OID:
235  buf = pstrdup("integer");
236  break;
237 
238  case INT8OID:
239  buf = pstrdup("bigint");
240  break;
241 
242  case NUMERICOID:
243  if (with_typemod)
244  buf = printTypmod("numeric", typemod, typeform->typmodout);
245  else
246  buf = pstrdup("numeric");
247  break;
248 
249  case INTERVALOID:
250  if (with_typemod)
251  buf = printTypmod("interval", typemod, typeform->typmodout);
252  else
253  buf = pstrdup("interval");
254  break;
255 
256  case TIMEOID:
257  if (with_typemod)
258  buf = printTypmod("time", typemod, typeform->typmodout);
259  else
260  buf = pstrdup("time without time zone");
261  break;
262 
263  case TIMETZOID:
264  if (with_typemod)
265  buf = printTypmod("time", typemod, typeform->typmodout);
266  else
267  buf = pstrdup("time with time zone");
268  break;
269 
270  case TIMESTAMPOID:
271  if (with_typemod)
272  buf = printTypmod("timestamp", typemod, typeform->typmodout);
273  else
274  buf = pstrdup("timestamp without time zone");
275  break;
276 
277  case TIMESTAMPTZOID:
278  if (with_typemod)
279  buf = printTypmod("timestamp", typemod, typeform->typmodout);
280  else
281  buf = pstrdup("timestamp with time zone");
282  break;
283 
284  case VARBITOID:
285  if (with_typemod)
286  buf = printTypmod("bit varying", typemod, typeform->typmodout);
287  else
288  buf = pstrdup("bit varying");
289  break;
290 
291  case VARCHAROID:
292  if (with_typemod)
293  buf = printTypmod("character varying", typemod, typeform->typmodout);
294  else
295  buf = pstrdup("character varying");
296  break;
297 
298  case JSONOID:
299  buf = pstrdup("json");
300  break;
301  }
302 
303  if (buf == NULL)
304  {
305  /*
306  * Default handling: report the name as it appears in the catalog.
307  * Here, we must qualify the name if it is not visible in the search
308  * path or if caller requests it; and we must double-quote it if it's
309  * not a standard identifier or if it matches any keyword.
310  */
311  char *nspname;
312  char *typname;
313 
314  if ((flags & FORMAT_TYPE_FORCE_QUALIFY) == 0 &&
315  TypeIsVisible(type_oid))
316  nspname = NULL;
317  else
318  nspname = get_namespace_name_or_temp(typeform->typnamespace);
319 
320  typname = NameStr(typeform->typname);
321 
323 
324  if (with_typemod)
325  buf = printTypmod(buf, typemod, typeform->typmodout);
326  }
327 
328  if (is_array)
329  buf = psprintf("%s[]", buf);
330 
331  ReleaseSysCache(tuple);
332 
333  return buf;
334 }
#define FORMAT_TYPE_ALLOW_INVALID
Definition: builtins.h:113
#define FORMAT_TYPE_INVALID_AS_NULL
Definition: builtins.h:115
#define FORMAT_TYPE_TYPEMOD_GIVEN
Definition: builtins.h:112
static char * printTypmod(const char *typname, int32 typmod, Oid typmodout)
Definition: format_type.c:371
char * get_namespace_name_or_temp(Oid nspid)
Definition: lsyscache.c:3350
char * pstrdup(const char *in)
Definition: mcxt.c:1305
bool TypeIsVisible(Oid typid)
Definition: namespace.c:818
static char * buf
Definition: pg_test_fsync.c:67
NameData typname
Definition: pg_type.h:41
#define InvalidOid
Definition: postgres_ext.h:36
char * psprintf(const char *fmt,...)
Definition: psprintf.c:46
char * quote_qualified_identifier(const char *qualifier, const char *ident)
Definition: ruleutils.c:12273

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().

◆ format_type_with_typemod()

◆ generate_operator_clause()

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

Definition at line 12597 of file ruleutils.c.

12601 {
12602  HeapTuple opertup;
12603  Form_pg_operator operform;
12604  char *oprname;
12605  char *nspname;
12606 
12607  opertup = SearchSysCache1(OPEROID, ObjectIdGetDatum(opoid));
12608  if (!HeapTupleIsValid(opertup))
12609  elog(ERROR, "cache lookup failed for operator %u", opoid);
12610  operform = (Form_pg_operator) GETSTRUCT(opertup);
12611  Assert(operform->oprkind == 'b');
12612  oprname = NameStr(operform->oprname);
12613 
12614  nspname = get_namespace_name(operform->oprnamespace);
12615 
12616  appendStringInfoString(buf, leftop);
12617  if (leftoptype != operform->oprleft)
12618  add_cast_to(buf, operform->oprleft);
12619  appendStringInfo(buf, " OPERATOR(%s.", quote_identifier(nspname));
12620  appendStringInfoString(buf, oprname);
12621  appendStringInfo(buf, ") %s", rightop);
12622  if (rightoptype != operform->oprright)
12623  add_cast_to(buf, operform->oprright);
12624 
12625  ReleaseSysCache(opertup);
12626 }
Assert(fmt[strlen(fmt) - 1] !='\n')
FormData_pg_operator * Form_pg_operator
Definition: pg_operator.h:83
const char * quote_identifier(const char *ident)
Definition: ruleutils.c:12189
static void add_cast_to(StringInfo buf, Oid typid)
Definition: ruleutils.c:12637
void appendStringInfo(StringInfo str, const char *fmt,...)
Definition: stringinfo.c:91
void appendStringInfoString(StringInfo str, const char *s)
Definition: stringinfo.c:176
@ OPEROID
Definition: syscache.h:72

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

Referenced by refresh_by_match_merge(), and ri_GenerateQual().

◆ hex_decode()

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

Definition at line 193 of file encode.c.

194 {
195  const char *s,
196  *srcend;
197  char v1,
198  v2,
199  *p;
200 
201  srcend = src + len;
202  s = src;
203  p = dst;
204  while (s < srcend)
205  {
206  if (*s == ' ' || *s == '\n' || *s == '\t' || *s == '\r')
207  {
208  s++;
209  continue;
210  }
211  v1 = get_hex(s) << 4;
212  s++;
213  if (s >= srcend)
214  ereport(ERROR,
215  (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
216  errmsg("invalid hexadecimal data: odd number of digits")));
217 
218  v2 = get_hex(s);
219  s++;
220  *p++ = v1 | v2;
221  }
222 
223  return p - dst;
224 }
int errcode(int sqlerrcode)
Definition: elog.c:693
int errmsg(const char *fmt,...)
Definition: elog.c:904
#define ereport(elevel,...)
Definition: elog.h:143
static char get_hex(const char *cp)
Definition: encode.c:175

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

Referenced by byteain().

◆ hex_encode()

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

Definition at line 161 of file encode.c.

162 {
163  const char *end = src + len;
164 
165  while (src < end)
166  {
167  *dst++ = hextbl[(*src >> 4) & 0xF];
168  *dst++ = hextbl[*src & 0xF];
169  src++;
170  }
171  return (uint64) len * 2;
172 }
static const char hextbl[]
Definition: encode.c:147

References hextbl, and len.

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

◆ namestrcmp()

int namestrcmp ( Name  name,
const char *  str 
)

Definition at line 247 of file name.c.

248 {
249  if (!name && !str)
250  return 0;
251  if (!name)
252  return -1; /* NULL < anything */
253  if (!str)
254  return 1; /* NULL < anything */
255  return strncmp(NameStr(*name), str, NAMEDATALEN);
256 }
const char * name
Definition: encode.c:561
#define NAMEDATALEN

References name, NAMEDATALEN, NameStr, and generate_unaccent_rules::str.

Referenced by attnameAttNum(), CopyGetAttnums(), expanded_record_lookup_field(), GetAttributeByName(), NextCopyFromRawFields(), pgstat_acquire_replslot(), pgstat_report_replslot(), and SPI_fnumber().

◆ namestrcpy()

void namestrcpy ( Name  name,
const char *  str 
)

◆ network_scan_first()

Datum network_scan_first ( Datum  in)

Definition at line 1690 of file network.c.

1691 {
1693 }
#define DirectFunctionCall1(func, arg1)
Definition: fmgr.h:631
Datum network_network(PG_FUNCTION_ARGS)
Definition: network.c:1330

References DirectFunctionCall1, and network_network().

Referenced by match_network_subset().

◆ network_scan_last()

Datum network_scan_last ( Datum  in)

Definition at line 1704 of file network.c.

1705 {
1708  Int32GetDatum(-1));
1709 }
#define DirectFunctionCall2(func, arg1, arg2)
Definition: fmgr.h:633
Datum network_broadcast(PG_FUNCTION_ARGS)
Definition: network.c:1285
Datum inet_set_masklen(PG_FUNCTION_ARGS)
Definition: network.c:324
#define Int32GetDatum(X)
Definition: postgres.h:523

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

Referenced by match_network_subset().

◆ numeric_float8_no_overflow()

Datum numeric_float8_no_overflow ( PG_FUNCTION_ARGS  )

Definition at line 4459 of file numeric.c.

4460 {
4461  Numeric num = PG_GETARG_NUMERIC(0);
4462  double val;
4463 
4464  if (NUMERIC_IS_SPECIAL(num))
4465  {
4466  if (NUMERIC_IS_PINF(num))
4467  val = HUGE_VAL;
4468  else if (NUMERIC_IS_NINF(num))
4469  val = -HUGE_VAL;
4470  else
4471  val = get_float8_nan();
4472  }
4473  else
4474  {
4475  NumericVar x;
4476 
4477  init_var_from_num(num, &x);
4479  }
4480 
4482 }
#define NUMERIC_IS_SPECIAL(n)
Definition: numeric.c:173
static void init_var_from_num(Numeric num, NumericVar *dest)
Definition: numeric.c:7007
#define NUMERIC_IS_PINF(n)
Definition: numeric.c:205
#define NUMERIC_IS_NINF(n)
Definition: numeric.c:206
static double numericvar_to_double_no_overflow(const NumericVar *var)
Definition: numeric.c:7889
static float8 get_float8_nan(void)
Definition: float.h:122
#define PG_RETURN_FLOAT8(x)
Definition: fmgr.h:367
long val
Definition: informix.c:664
int x
Definition: isn.c:71
#define PG_GETARG_NUMERIC(n)
Definition: numeric.h:62

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, val, and x.

Referenced by convert_numeric_to_scalar(), and gbt_numeric_penalty().

◆ oid_cmp()

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

Definition at line 336 of file oid.c.

337 {
338  Oid v1 = *((const Oid *) p1);
339  Oid v2 = *((const Oid *) p2);
340 
341  if (v1 < v2)
342  return -1;
343  if (v1 > v2)
344  return 1;
345  return 0;
346 }

References p2.

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

◆ oidparse()

Oid oidparse ( Node node)

Definition at line 314 of file oid.c.

315 {
316  switch (nodeTag(node))
317  {
318  case T_Integer:
319  return intVal(node);
320  case T_Float:
321 
322  /*
323  * Values too large for int4 will be represented as Float
324  * constants by the lexer. Accept these if they are valid OID
325  * strings.
326  */
327  return oidin_subr(castNode(Float, node)->fval, NULL);
328  default:
329  elog(ERROR, "unrecognized node type: %d", (int) nodeTag(node));
330  }
331  return InvalidOid; /* keep compiler quiet */
332 }
#define nodeTag(nodeptr)
Definition: nodes.h:579
@ T_Float
Definition: nodes.h:309
@ T_Integer
Definition: nodes.h:308
#define castNode(_type_, nodeptr)
Definition: nodes.h:643
static Oid oidin_subr(const char *s, char **endloc)
Definition: oid.c:35
Definition: value.h:46
#define intVal(v)
Definition: value.h:69

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

Referenced by get_object_address(), and objectNamesToOids().

◆ parse_bool()

bool parse_bool ( const char *  value,
bool result 
)

Definition at line 30 of file bool.c.

31 {
32  return parse_bool_with_len(value, strlen(value), result);
33 }
bool parse_bool_with_len(const char *value, size_t len, bool *result)
Definition: bool.c:36

References parse_bool_with_len(), and value.

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

◆ 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.

37 {
38  switch (*value)
39  {
40  case 't':
41  case 'T':
42  if (pg_strncasecmp(value, "true", len) == 0)
43  {
44  if (result)
45  *result = true;
46  return true;
47  }
48  break;
49  case 'f':
50  case 'F':
51  if (pg_strncasecmp(value, "false", len) == 0)
52  {
53  if (result)
54  *result = false;
55  return true;
56  }
57  break;
58  case 'y':
59  case 'Y':
60  if (pg_strncasecmp(value, "yes", len) == 0)
61  {
62  if (result)
63  *result = true;
64  return true;
65  }
66  break;
67  case 'n':
68  case 'N':
69  if (pg_strncasecmp(value, "no", len) == 0)
70  {
71  if (result)
72  *result = false;
73  return true;
74  }
75  break;
76  case 'o':
77  case 'O':
78  /* 'o' is not unique enough */
79  if (pg_strncasecmp(value, "on", (len > 2 ? len : 2)) == 0)
80  {
81  if (result)
82  *result = true;
83  return true;
84  }
85  else if (pg_strncasecmp(value, "off", (len > 2 ? len : 2)) == 0)
86  {
87  if (result)
88  *result = false;
89  return true;
90  }
91  break;
92  case '1':
93  if (len == 1)
94  {
95  if (result)
96  *result = true;
97  return true;
98  }
99  break;
100  case '0':
101  if (len == 1)
102  {
103  if (result)
104  *result = false;
105  return true;
106  }
107  break;
108  default:
109  break;
110  }
111 
112  if (result)
113  *result = false; /* suppress compiler warning */
114  return false;
115 }
int pg_strncasecmp(const char *s1, const char *s2, size_t n)
Definition: pgstrcasecmp.c:69

References len, pg_strncasecmp(), and value.

Referenced by boolin(), and parse_bool().

◆ 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.

57 {
58  switch (af)
59  {
60  case PGSQL_AF_INET:
61  return inet_cidr_ntop_ipv4(src, bits, dst, size);
62  case PGSQL_AF_INET6:
63  return inet_cidr_ntop_ipv6(src, bits, dst, size);
64  default:
65  errno = EAFNOSUPPORT;
66  return NULL;
67  }
68 }
static char * inet_cidr_ntop_ipv6(const u_char *src, int bits, char *dst, size_t size)
static char * inet_cidr_ntop_ipv4(const u_char *src, int bits, char *dst, size_t size)
#define PGSQL_AF_INET6
Definition: inet.h:40
#define EAFNOSUPPORT
Definition: win32_port.h:355

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

Referenced by cidr_abbrev().

◆ 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.

63 {
64  switch (af)
65  {
66  case PGSQL_AF_INET:
67  return size == -1 ?
68  inet_net_pton_ipv4(src, dst) :
69  inet_cidr_pton_ipv4(src, dst, size);
70  case PGSQL_AF_INET6:
71  return size == -1 ?
72  inet_net_pton_ipv6(src, dst) :
73  inet_cidr_pton_ipv6(src, dst, size);
74  default:
75  errno = EAFNOSUPPORT;
76  return -1;
77  }
78 }
static int inet_net_pton_ipv6(const char *src, u_char *dst)
static int inet_net_pton_ipv4(const char *src, u_char *dst)
static int inet_cidr_pton_ipv6(const char *src, u_char *dst, size_t size)
static int inet_cidr_pton_ipv4(const char *src, u_char *dst, size_t size)
Definition: inet_net_pton.c:97

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().

◆ pg_itoa()

int pg_itoa ( int16  i,
char *  a 
)

Definition at line 334 of file numutils.c.

335 {
336  return pg_ltoa((int32) i, a);
337 }
signed int int32
Definition: c.h:440
int a
Definition: isn.c:69
int pg_ltoa(int32 value, char *a)
Definition: numutils.c:412

References a, i, and pg_ltoa().

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

◆ pg_lltoa()

int pg_lltoa ( int64  ll,
char *  a 
)

Definition at line 519 of file numutils.c.

520 {
521  uint64 uvalue = value;
522  int len = 0;
523 
524  if (value < 0)
525  {
526  uvalue = (uint64) 0 - uvalue;
527  a[len++] = '-';
528  }
529 
530  len += pg_ulltoa_n(uvalue, a + len);
531  a[len] = '\0';
532  return len;
533 }
int pg_ulltoa_n(uint64 value, char *a)
Definition: numutils.c:432

References a, len, pg_ulltoa_n(), and value.

Referenced by int8out(), and printsimple().

◆ pg_ltoa()

int pg_ltoa ( int32  l,
char *  a 
)

Definition at line 412 of file numutils.c.

413 {
414  uint32 uvalue = (uint32) value;
415  int len = 0;
416 
417  if (value < 0)
418  {
419  uvalue = (uint32) 0 - uvalue;
420  a[len++] = '-';
421  }
422  len += pg_ultoa_n(uvalue, a + len);
423  a[len] = '\0';
424  return len;
425 }
unsigned int uint32
Definition: c.h:452
int pg_ultoa_n(uint32 value, char *a)
Definition: numutils.c:347

References a, len, pg_ultoa_n(), and value.

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

◆ pg_strtoint16()

int16 pg_strtoint16 ( const char *  s)

Definition at line 99 of file numutils.c.

100 {
101  const char *ptr = s;
102  int16 tmp = 0;
103  bool neg = false;
104 
105  /* skip leading spaces */
106  while (likely(*ptr) && isspace((unsigned char) *ptr))
107  ptr++;
108 
109  /* handle sign */
110  if (*ptr == '-')
111  {
112  ptr++;
113  neg = true;
114  }
115  else if (*ptr == '+')
116  ptr++;
117 
118  /* require at least one digit */
119  if (unlikely(!isdigit((unsigned char) *ptr)))
120  goto invalid_syntax;
121 
122  /* process digits */
123  while (*ptr && isdigit((unsigned char) *ptr))
124  {
125  int8 digit = (*ptr++ - '0');
126 
127  if (unlikely(pg_mul_s16_overflow(tmp, 10, &tmp)) ||
128  unlikely(pg_sub_s16_overflow(tmp, digit, &tmp)))
129  goto out_of_range;
130  }
131 
132  /* allow trailing whitespace, but not other trailing chars */
133  while (*ptr != '\0' && isspace((unsigned char) *ptr))
134  ptr++;
135 
136  if (unlikely(*ptr != '\0'))
137  goto invalid_syntax;
138 
139  if (!neg)
140  {
141  /* could fail if input is most negative number */
142  if (unlikely(tmp == PG_INT16_MIN))
143  goto out_of_range;
144  tmp = -tmp;
145  }
146 
147  return tmp;
148 
149 out_of_range:
150  ereport(ERROR,
151  (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
152  errmsg("value \"%s\" is out of range for type %s",
153  s, "smallint")));
154 
155 invalid_syntax:
156  ereport(ERROR,
157  (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
158  errmsg("invalid input syntax for type %s: \"%s\"",
159  "smallint", s)));
160 
161  return 0; /* keep compiler quiet */
162 }
signed char int8
Definition: c.h:438
#define likely(x)
Definition: c.h:283
#define PG_INT16_MIN
Definition: c.h:531
#define unlikely(x)
Definition: c.h:284
static bool pg_sub_s16_overflow(int16 a, int16 b, int16 *result)
Definition: int.h:65
static bool pg_mul_s16_overflow(int16 a, int16 b, int16 *result)
Definition: int.h:83

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

Referenced by int2in().

◆ pg_strtoint32()

int32 pg_strtoint32 ( const char *  s)

Definition at line 175 of file numutils.c.

176 {
177  const char *ptr = s;
178  int32 tmp = 0;
179  bool neg = false;
180 
181  /* skip leading spaces */
182  while (likely(*ptr) && isspace((unsigned char) *ptr))
183  ptr++;
184 
185  /* handle sign */
186  if (*ptr == '-')
187  {
188  ptr++;
189  neg = true;
190  }
191  else if (*ptr == '+')
192  ptr++;
193 
194  /* require at least one digit */
195  if (unlikely(!isdigit((unsigned char) *ptr)))
196  goto invalid_syntax;
197 
198  /* process digits */
199  while (*ptr && isdigit((unsigned char) *ptr))
200  {
201  int8 digit = (*ptr++ - '0');
202 
203  if (unlikely(pg_mul_s32_overflow(tmp, 10, &tmp)) ||
204  unlikely(pg_sub_s32_overflow(tmp, digit, &tmp)))
205  goto out_of_range;
206  }
207 
208  /* allow trailing whitespace, but not other trailing chars */
209  while (*ptr != '\0' && isspace((unsigned char) *ptr))
210  ptr++;
211 
212  if (unlikely(*ptr != '\0'))
213  goto invalid_syntax;
214 
215  if (!neg)
216  {
217  /* could fail if input is most negative number */
218  if (unlikely(tmp == PG_INT32_MIN))
219  goto out_of_range;
220  tmp = -tmp;
221  }
222 
223  return tmp;
224 
225 out_of_range:
226  ereport(ERROR,
227  (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
228  errmsg("value \"%s\" is out of range for type %s",
229  s, "integer")));
230 
231 invalid_syntax:
232  ereport(ERROR,
233  (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
234  errmsg("invalid input syntax for type %s: \"%s\"",
235  "integer", s)));
236 
237  return 0; /* keep compiler quiet */
238 }
#define PG_INT32_MIN
Definition: c.h:534
static bool pg_mul_s32_overflow(int32 a, int32 b, int32 *result)
Definition: int.h:140
static bool pg_sub_s32_overflow(int32 a, int32 b, int32 *result)
Definition: int.h:122

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().

◆ pg_strtoint64()

int64 pg_strtoint64 ( const char *  s)

Definition at line 251 of file numutils.c.

252 {
253  const char *ptr = s;
254  int64 tmp = 0;
255  bool neg = false;
256 
257  /*
258  * Do our own scan, rather than relying on sscanf which might be broken
259  * for long long.
260  *
261  * As INT64_MIN can't be stored as a positive 64 bit integer, accumulate
262  * value as a negative number.
263  */
264 
265  /* skip leading spaces */
266  while (*ptr && isspace((unsigned char) *ptr))
267  ptr++;
268 
269  /* handle sign */
270  if (*ptr == '-')
271  {
272  ptr++;
273  neg = true;
274  }
275  else if (*ptr == '+')
276  ptr++;
277 
278  /* require at least one digit */
279  if (unlikely(!isdigit((unsigned char) *ptr)))
280  goto invalid_syntax;
281 
282  /* process digits */
283  while (*ptr && isdigit((unsigned char) *ptr))
284  {
285  int8 digit = (*ptr++ - '0');
286 
287  if (unlikely(pg_mul_s64_overflow(tmp, 10, &tmp)) ||
288  unlikely(pg_sub_s64_overflow(tmp, digit, &tmp)))
289  goto out_of_range;
290  }
291 
292  /* allow trailing whitespace, but not other trailing chars */
293  while (*ptr != '\0' && isspace((unsigned char) *ptr))
294  ptr++;
295 
296  if (unlikely(*ptr != '\0'))
297  goto invalid_syntax;
298 
299  if (!neg)
300  {
301  /* could fail if input is most negative number */
302  if (unlikely(tmp == PG_INT64_MIN))
303  goto out_of_range;
304  tmp = -tmp;
305  }
306 
307  return tmp;
308 
309 out_of_range:
310  ereport(ERROR,
311  (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
312  errmsg("value \"%s\" is out of range for type %s",
313  s, "bigint")));
314 
315 invalid_syntax:
316  ereport(ERROR,
317  (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
318  errmsg("invalid input syntax for type %s: \"%s\"",
319  "bigint", s)));
320 
321  return 0; /* keep compiler quiet */
322 }
#define PG_INT64_MIN
Definition: c.h:537
static bool pg_mul_s64_overflow(int64 a, int64 b, int64 *result)
Definition: int.h:215
static bool pg_sub_s64_overflow(int64 a, int64 b, int64 *result)
Definition: int.h:188

References ereport, errcode(), errmsg(), ERROR, PG_INT64_MIN, pg_mul_s64_overflow(), pg_sub_s64_overflow(), and unlikely.

Referenced by int8in().

◆ pg_ulltoa_n()

int pg_ulltoa_n ( uint64  l,
char *  a 
)

Definition at line 432 of file numutils.c.

433 {
434  int olength,
435  i = 0;
436  uint32 value2;
437 
438  /* Degenerate case */
439  if (value == 0)
440  {
441  *a = '0';
442  return 1;
443  }
444 
445  olength = decimalLength64(value);
446 
447  /* Compute the result string. */
448  while (value >= 100000000)
449  {
450  const uint64 q = value / 100000000;
451  uint32 value2 = (uint32) (value - 100000000 * q);
452 
453  const uint32 c = value2 % 10000;
454  const uint32 d = value2 / 10000;
455  const uint32 c0 = (c % 100) << 1;
456  const uint32 c1 = (c / 100) << 1;
457  const uint32 d0 = (d % 100) << 1;
458  const uint32 d1 = (d / 100) << 1;
459 
460  char *pos = a + olength - i;
461 
462  value = q;
463 
464  memcpy(pos - 2, DIGIT_TABLE + c0, 2);
465  memcpy(pos - 4, DIGIT_TABLE + c1, 2);
466  memcpy(pos - 6, DIGIT_TABLE + d0, 2);
467  memcpy(pos - 8, DIGIT_TABLE + d1, 2);
468  i += 8;
469  }
470 
471  /* Switch to 32-bit for speed */
472  value2 = (uint32) value;
473 
474  if (value2 >= 10000)
475  {
476  const uint32 c = value2 - 10000 * (value2 / 10000);
477  const uint32 c0 = (c % 100) << 1;
478  const uint32 c1 = (c / 100) << 1;
479 
480  char *pos = a + olength - i;
481 
482  value2 /= 10000;
483 
484  memcpy(pos - 2, DIGIT_TABLE + c0, 2);
485  memcpy(pos - 4, DIGIT_TABLE + c1, 2);
486  i += 4;
487  }
488  if (value2 >= 100)
489  {
490  const uint32 c = (value2 % 100) << 1;
491  char *pos = a + olength - i;
492 
493  value2 /= 100;
494 
495  memcpy(pos - 2, DIGIT_TABLE + c, 2);
496  i += 2;
497  }
498  if (value2 >= 10)
499  {
500  const uint32 c = value2 << 1;
501  char *pos = a + olength - i;
502 
503  memcpy(pos - 2, DIGIT_TABLE + c, 2);
504  }
505  else
506  *a = (char) ('0' + value2);
507 
508  return olength;
509 }
static const char DIGIT_TABLE[200]
Definition: numutils.c:29
static int decimalLength64(const uint64 v)
Definition: numutils.c:64
char * c

References a, decimalLength64(), DIGIT_TABLE, i, and value.

Referenced by pg_lltoa().

◆ pg_ultoa_n()

int pg_ultoa_n ( uint32  l,
char *  a 
)

Definition at line 347 of file numutils.c.

348 {
349  int olength,
350  i = 0;
351 
352  /* Degenerate case */
353  if (value == 0)
354  {
355  *a = '0';
356  return 1;
357  }
358 
359  olength = decimalLength32(value);
360 
361  /* Compute the result string. */
362  while (value >= 10000)
363  {
364  const uint32 c = value - 10000 * (value / 10000);
365  const uint32 c0 = (c % 100) << 1;
366  const uint32 c1 = (c / 100) << 1;
367 
368  char *pos = a + olength - i;
369 
370  value /= 10000;
371 
372  memcpy(pos - 2, DIGIT_TABLE + c0, 2);
373  memcpy(pos - 4, DIGIT_TABLE + c1, 2);
374  i += 4;
375  }
376  if (value >= 100)
377  {
378  const uint32 c = (value % 100) << 1;
379 
380  char *pos = a + olength - i;
381 
382  value /= 100;
383 
384  memcpy(pos - 2, DIGIT_TABLE + c, 2);
385  i += 2;
386  }
387  if (value >= 10)
388  {
389  const uint32 c = value << 1;
390 
391  char *pos = a + olength - i;
392 
393  memcpy(pos - 2, DIGIT_TABLE + c, 2);
394  }
395  else
396  {
397  *a = (char) ('0' + value);
398  }
399 
400  return olength;
401 }
static int decimalLength32(const uint32 v)
Definition: numutils.c:45

References a, decimalLength32(), DIGIT_TABLE, i, and value.

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

◆ pg_ultostr()

char* pg_ultostr ( char *  str,
uint32  value 
)

Definition at line 599 of file numutils.c.

600 {
601  int len = pg_ultoa_n(value, str);
602 
603  return str + len;
604 }

References len, pg_ultoa_n(), generate_unaccent_rules::str, and value.

Referenced by AppendSeconds().

◆ pg_ultostr_zeropad()

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

Definition at line 559 of file numutils.c.

560 {
561  int len;
562 
563  Assert(minwidth > 0);
564 
565  if (value < 100 && minwidth == 2) /* Short cut for common case */
566  {
567  memcpy(str, DIGIT_TABLE + value * 2, 2);
568  return str + 2;
569  }
570 
571  len = pg_ultoa_n(value, str);
572  if (len >= minwidth)
573  return str + len;
574 
575  memmove(str + minwidth - len, str, len);
576  memset(str, '0', minwidth - len);
577  return str + minwidth;
578 }

References Assert(), DIGIT_TABLE, len, pg_ultoa_n(), generate_unaccent_rules::str, and value.

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

◆ quote_identifier()

const char* quote_identifier ( const char *  ident)

Definition at line 12189 of file ruleutils.c.

12190 {
12191  /*
12192  * Can avoid quoting if ident starts with a lowercase letter or underscore
12193  * and contains only lowercase letters, digits, and underscores, *and* is
12194  * not any SQL keyword. Otherwise, supply quotes.
12195  */
12196  int nquotes = 0;
12197  bool safe;
12198  const char *ptr;
12199  char *result;
12200  char *optr;
12201 
12202  /*
12203  * would like to use <ctype.h> macros here, but they might yield unwanted
12204  * locale-specific results...
12205  */
12206  safe = ((ident[0] >= 'a' && ident[0] <= 'z') || ident[0] == '_');
12207 
12208  for (ptr = ident; *ptr; ptr++)
12209  {
12210  char ch = *ptr;
12211 
12212  if ((ch >= 'a' && ch <= 'z') ||
12213  (ch >= '0' && ch <= '9') ||
12214  (ch == '_'))
12215  {
12216  /* okay */
12217  }
12218  else
12219  {
12220  safe = false;
12221  if (ch == '"')
12222  nquotes++;
12223  }
12224  }
12225 
12227  safe = false;
12228 
12229  if (safe)
12230  {
12231  /*
12232  * Check for keyword. We quote keywords except for unreserved ones.
12233  * (In some cases we could avoid quoting a col_name or type_func_name
12234  * keyword, but it seems much harder than it's worth to tell that.)
12235  *
12236  * Note: ScanKeywordLookup() does case-insensitive comparison, but
12237  * that's fine, since we already know we have all-lower-case.
12238  */
12239  int kwnum = ScanKeywordLookup(ident, &ScanKeywords);
12240 
12241  if (kwnum >= 0 && ScanKeywordCategories[kwnum] != UNRESERVED_KEYWORD)
12242  safe = false;
12243  }
12244 
12245  if (safe)
12246  return ident; /* no change needed */
12247 
12248  result = (char *) palloc(strlen(ident) + nquotes + 2 + 1);
12249 
12250  optr = result;
12251  *optr++ = '"';
12252  for (ptr = ident; *ptr; ptr++)
12253  {
12254  char ch = *ptr;
12255 
12256  if (ch == '"')
12257  *optr++ = '"';
12258  *optr++ = ch;
12259  }
12260  *optr++ = '"';
12261  *optr = '\0';
12262 
12263  return result;
12264 }
const uint8 ScanKeywordCategories[SCANKEYWORDS_NUM_KEYWORDS]
Definition: keywords.c:29
PGDLLIMPORT const ScanKeywordList ScanKeywords
#define UNRESERVED_KEYWORD
Definition: keywords.h:20
int ScanKeywordLookup(const char *str, const ScanKeywordList *keywords)
Definition: kwlookup.c:38
bool quote_all_identifiers
Definition: ruleutils.c:323

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

Referenced by add_cast_to(), appendFunctionName(), ATPrepAlterColumnType(), CheckMyDatabase(), copy_table(), createdb(), decompile_column_index_array(), deparseAnalyzeSql(), deparseColumnRef(), deparseOperatorName(), deparseRelation(), 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_json_table(), get_json_table_columns(), get_json_table_nested_columns(), get_json_table_plan(), get_opclass_name(), get_parameter(), get_reloptions(), get_rule_expr(), get_rule_windowclause(), get_rule_windowspec(), get_select_query_def(), get_target_list(), get_update_query_def(), get_update_query_targetlist_def(), get_utility_query_def(), get_variable(), get_windowfunc_expr_helper(), get_with_clause(), get_xmltable(), getObjectIdentityParts(), 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(), ReplicationSlotDropAtPubNode(), report_extension_updates(), 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().

◆ quote_literal_cstr()

char* quote_literal_cstr ( const char *  rawstr)

Definition at line 102 of file quote.c.

103 {
104  char *result;
105  int len;
106  int newlen;
107 
108  len = strlen(rawstr);
109  /* We make a worst-case result area; wasting a little space is OK */
110  result = palloc(len * 2 + 3 + 1);
111 
112  newlen = quote_literal_internal(result, rawstr, len);
113  result[newlen] = '\0';
114 
115  return result;
116 }
static size_t quote_literal_internal(char *dst, const char *src, size_t len)
Definition: quote.c:46

References len, palloc(), and quote_literal_internal().

Referenced by build_tuplestore_recursively(), fetch_remote_table_info(), get_publications_str(), get_sql_delete(), get_sql_insert(), get_sql_update(), get_tuple_of_interest(), pg_decode_commit_prepared_txn(), pg_decode_prepare_txn(), pg_decode_rollback_prepared_txn(), pg_decode_stream_prepare(), PLy_quote_literal(), PLy_quote_nullable(), and text_format_string_conversion().

◆ quote_qualified_identifier()

◆ regexp_fixed_prefix()

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

Definition at line 1939 of file regexp.c.

1941 {
1942  char *result;
1943  regex_t *re;
1944  int cflags;
1945  int re_result;
1946  pg_wchar *str;
1947  size_t slen;
1948  size_t maxlen;
1949  char errMsg[100];
1950 
1951  *exact = false; /* default result */
1952 
1953  /* Compile RE */
1954  cflags = REG_ADVANCED;
1955  if (case_insensitive)
1956  cflags |= REG_ICASE;
1957 
1958  re = RE_compile_and_cache(text_re, cflags | REG_NOSUB, collation);
1959 
1960  /* Examine it to see if there's a fixed prefix */
1961  re_result = pg_regprefix(re, &str, &slen);
1962 
1963  switch (re_result)
1964  {
1965  case REG_NOMATCH:
1966  return NULL;
1967 
1968  case REG_PREFIX:
1969  /* continue with wchar conversion */
1970  break;
1971 
1972  case REG_EXACT:
1973  *exact = true;
1974  /* continue with wchar conversion */
1975  break;
1976 
1977  default:
1978  /* re failed??? */
1980  pg_regerror(re_result, re, errMsg, sizeof(errMsg));
1981  ereport(ERROR,
1982  (errcode(ERRCODE_INVALID_REGULAR_EXPRESSION),
1983  errmsg("regular expression failed: %s", errMsg)));
1984  break;
1985  }
1986 
1987  /* Convert pg_wchar result back to database encoding */
1988  maxlen = pg_database_encoding_max_length() * slen + 1;
1989  result = (char *) palloc(maxlen);
1990  slen = pg_wchar2mb_with_len(str, result, slen);
1991  Assert(slen < maxlen);
1992 
1993  free(str);
1994 
1995  return result;
1996 }
#define free(a)
Definition: header.h:65
unsigned int pg_wchar
Definition: mbprint.c:31
int pg_wchar2mb_with_len(const pg_wchar *from, char *to, int len)
Definition: mbutils.c:951
int pg_database_encoding_max_length(void)
Definition: mbutils.c:1495
#define CHECK_FOR_INTERRUPTS()
Definition: miscadmin.h:121
size_t pg_regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size)
Definition: regerror.c:60
#define REG_ICASE
Definition: regex.h:106
#define REG_NOMATCH
Definition: regex.h:138
#define REG_EXACT
Definition: regex.h:163
#define REG_PREFIX
Definition: regex.h:162
#define REG_ADVANCED
Definition: regex.h:103
#define REG_NOSUB
Definition: regex.h:107
regex_t * RE_compile_and_cache(text *text_re, int cflags, Oid collation)
Definition: regexp.c:138
int pg_regprefix(regex_t *re, chr **string, size_t *slength)
Definition: regprefix.c:46
Definition: regex.h:56

References Assert(), 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_NOSUB, REG_PREFIX, and generate_unaccent_rules::str.

Referenced by regex_fixed_prefix().

◆ text_to_cstring()

char* text_to_cstring ( const text t)

Definition at line 221 of file varlena.c.

222 {
223  /* must cast away the const, unfortunately */
224  text *tunpacked = pg_detoast_datum_packed(unconstify(text *, t));
225  int len = VARSIZE_ANY_EXHDR(tunpacked);
226  char *result;
227 
228  result = (char *) palloc(len + 1);
229  memcpy(result, VARDATA_ANY(tunpacked), len);
230  result[len] = '\0';
231 
232  if (tunpacked != t)
233  pfree(tunpacked);
234 
235  return result;
236 }
#define unconstify(underlying_type, expr)
Definition: c.h:1251
struct varlena * pg_detoast_datum_packed(struct varlena *datum)
Definition: fmgr.c:1740
void pfree(void *pointer)
Definition: mcxt.c:1175
#define VARDATA_ANY(PTR)
Definition: postgres.h:361
#define VARSIZE_ANY_EXHDR(PTR)
Definition: postgres.h:354

References len, 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_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(), get_raw_page_fork_1_9(), has_param_priv_byname(), has_sequence_privilege_id_name(), has_sequence_privilege_name(), has_sequence_privilege_name_name(), json_object_field(), json_object_field_text(), jsonb_set_lax(), JsonItemFromDatum(), ltree_addtext(), ltree_textadd(), NUM_cache(), parse_datetime(), parse_ident(), pg_backup_start(), 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_ls_replslotdir(), 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_stat_get_progress_info(), pg_stat_get_replication_slot(), pg_stat_have_stats(), pg_stat_reset_replication_slot(), pg_stat_reset_shared(), pg_stat_reset_slru(), pgxml_texttoxmlchar(), phraseto_tsquery_byid(), plainto_tsquery_byid(), postgres_fdw_disconnect(), query_to_xml(), query_to_xml_and_xmlschema(), query_to_xmlschema(), quote_ident(), quote_ident_cstr(), range_constructor3(), regress_setenv(), 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_canonicalize_path(), 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(), verify_heapam(), websearch_to_tsquery_byid(), X509_NAME_field_to_text(), xml_out_internal(), xmlconcat(), xmlpi(), xmlroot(), and xpath_table().

◆ 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.

253 {
254  /* must cast away the const, unfortunately */
255  text *srcunpacked = pg_detoast_datum_packed(unconstify(text *, src));
256  size_t src_len = VARSIZE_ANY_EXHDR(srcunpacked);
257 
258  if (dst_len > 0)
259  {
260  dst_len--;
261  if (dst_len >= src_len)
262  dst_len = src_len;
263  else /* ensure truncation is encoding-safe */
264  dst_len = pg_mbcliplen(VARDATA_ANY(srcunpacked), src_len, dst_len);
265  memcpy(dst, VARDATA_ANY(srcunpacked), dst_len);
266  dst[dst_len] = '\0';
267  }
268 
269  if (srcunpacked != src)
270  pfree(srcunpacked);
271 }
int pg_mbcliplen(const char *mbstr, int len, int limit)
Definition: mbutils.c:1026

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().

◆ type_maximum_size()

int32 type_maximum_size ( Oid  type_oid,
int32  typemod 
)

Definition at line 412 of file format_type.c.

413 {
414  if (typemod < 0)
415  return -1;
416 
417  switch (type_oid)
418  {
419  case BPCHAROID:
420  case VARCHAROID:
421  /* typemod includes varlena header */
422 
423  /* typemod is in characters not bytes */
424  return (typemod - VARHDRSZ) *
426  + VARHDRSZ;
427 
428  case NUMERICOID:
429  return numeric_maximum_size(typemod);
430 
431  case VARBITOID:
432  case BITOID:
433  /* typemod is the (max) number of bits */
434  return (typemod + (BITS_PER_BYTE - 1)) / BITS_PER_BYTE
435  + 2 * sizeof(int32);
436  }
437 
438  /* Unknown type, or unlimited-width type such as 'text' */
439  return -1;
440 }
int32 numeric_maximum_size(int32 typmod)
Definition: numeric.c:872
int GetDatabaseEncoding(void)
Definition: mbutils.c:1210
#define BITS_PER_BYTE
int pg_encoding_max_length(int encoding)
Definition: wchar.c:2187

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

Referenced by get_typavgwidth(), and heapam_relation_needs_toast_table().

◆ xidComparator()

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

Definition at line 136 of file xid.c.

137 {
138  TransactionId xid1 = *(const TransactionId *) arg1;
139  TransactionId xid2 = *(const TransactionId *) arg2;
140 
141  if (xid1 > xid2)
142  return 1;
143  if (xid1 < xid2)
144  return -1;
145  return 0;
146 }
uint32 TransactionId
Definition: c.h:598

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

◆ xidLogicalComparator()

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

Definition at line 157 of file xid.c.

158 {
159  TransactionId xid1 = *(const TransactionId *) arg1;
160  TransactionId xid2 = *(const TransactionId *) arg2;
161 
164 
165  if (TransactionIdPrecedes(xid1, xid2))
166  return -1;
167 
168  if (TransactionIdPrecedes(xid2, xid1))
169  return 1;
170 
171  return 0;
172 }
bool TransactionIdPrecedes(TransactionId id1, TransactionId id2)
Definition: transam.c:273
#define TransactionIdIsNormal(xid)
Definition: transam.h:42

References Assert(), TransactionIdIsNormal, and TransactionIdPrecedes().

Referenced by ProcArrayApplyRecoveryInfo().

Variable Documentation

◆ quote_all_identifiers

PGDLLIMPORT bool quote_all_identifiers
extern

Definition at line 323 of file ruleutils.c.

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