#include "postgres.h"
#include "catalog/namespace.h"
#include "catalog/pg_type.h"
#include "libpq/pqformat.h"
#include "mb/pg_wchar.h"
#include "miscadmin.h"
#include "utils/array.h"
#include "utils/builtins.h"
#include "utils/lsyscache.h"

Include dependency graph for name.c:

Functions
Datum	namein (PG_FUNCTION_ARGS)

Datum	nameout (PG_FUNCTION_ARGS)

Datum	namerecv (PG_FUNCTION_ARGS)

Datum	namesend (PG_FUNCTION_ARGS)

Datum	nameeq (PG_FUNCTION_ARGS)

Datum	namene (PG_FUNCTION_ARGS)

Datum	namelt (PG_FUNCTION_ARGS)

Datum	namele (PG_FUNCTION_ARGS)

Datum	namegt (PG_FUNCTION_ARGS)

Datum	namege (PG_FUNCTION_ARGS)

int	namecpy (Name n1, Name n2)

int	namestrcpy (Name name, const char *str)

int	namestrcmp (Name name, const char *str)

Datum	current_user (PG_FUNCTION_ARGS)

Datum	session_user (PG_FUNCTION_ARGS)

Datum	current_schema (PG_FUNCTION_ARGS)

Datum	current_schemas (PG_FUNCTION_ARGS)

Function Documentation

Datum current_schema ( PG_FUNCTION_ARGS )

Definition at line 279 of file name.c.

References CStringGetDatum, DirectFunctionCall1, fetch_search_path(), get_namespace_name(), linitial_oid, list_free(), namein(), NIL, PG_RETURN_DATUM, and PG_RETURN_NULL.

Referenced by ExecEvalSQLValueFunction().

 {
     List       *search_path = fetch_search_path(false);
     char       *nspname;
 
     if (search_path == NIL)
         PG_RETURN_NULL();
     nspname = get_namespace_name(linitial_oid(search_path));
     list_free(search_path);
     if (!nspname)
         PG_RETURN_NULL();       /* recently-deleted namespace? */
     PG_RETURN_DATUM(DirectFunctionCall1(namein, CStringGetDatum(nspname)));
 }

Datum current_schemas ( PG_FUNCTION_ARGS )

Definition at line 294 of file name.c.

References construct_array(), CStringGetDatum, DirectFunctionCall1, fetch_search_path(), get_namespace_name(), i, lfirst_oid, list_free(), list_length(), namein(), NAMEOID, palloc(), PG_GETARG_BOOL, and PG_RETURN_POINTER.

 {
     List       *search_path = fetch_search_path(PG_GETARG_BOOL(0));
     ListCell   *l;
     Datum      *names;
     int         i;
     ArrayType  *array;
 
     names = (Datum *) palloc(list_length(search_path) * sizeof(Datum));
     i = 0;
     foreach(l, search_path)
     {
         char       *nspname;
 
         nspname = get_namespace_name(lfirst_oid(l));
         if (nspname)            /* watch out for deleted namespace */
         {
             names[i] = DirectFunctionCall1(namein, CStringGetDatum(nspname));
             i++;
         }
     }
     list_free(search_path);
 
     array = construct_array(names, i,
                             NAMEOID,
                             NAMEDATALEN,    /* sizeof(Name) */
                             false,  /* Name is not by-val */
                             'c');   /* alignment of Name */
 
     PG_RETURN_POINTER(array);
 }

Datum current_user ( PG_FUNCTION_ARGS )

Definition at line 263 of file name.c.

References CStringGetDatum, DirectFunctionCall1, GetUserId(), GetUserNameFromId(), namein(), and PG_RETURN_DATUM.

Referenced by ExecEvalSQLValueFunction().

 {
     PG_RETURN_DATUM(DirectFunctionCall1(namein, CStringGetDatum(GetUserNameFromId(GetUserId(), false))));
 }

int namecpy	(	Name	n1,
		Name	n2
	)

Definition at line 191 of file name.c.

References NAMEDATALEN, NameStr, and StrNCpy.

Referenced by pg_get_replication_slots().

 {
     if (!n1 || !n2)
         return -1;
     StrNCpy(NameStr(*n1), NameStr(*n2), NAMEDATALEN);
     return 0;
 }

Datum nameeq ( PG_FUNCTION_ARGS )

Definition at line 134 of file name.c.

References NAMEDATALEN, NameStr, PG_GETARG_NAME, and PG_RETURN_BOOL.

 {
     Name        arg1 = PG_GETARG_NAME(0);
     Name        arg2 = PG_GETARG_NAME(1);
 
     PG_RETURN_BOOL(strncmp(NameStr(*arg1), NameStr(*arg2), NAMEDATALEN) == 0);
 }

Datum namege ( PG_FUNCTION_ARGS )

Definition at line 179 of file name.c.

References NAMEDATALEN, NameStr, PG_GETARG_NAME, and PG_RETURN_BOOL.

 {
     Name        arg1 = PG_GETARG_NAME(0);
     Name        arg2 = PG_GETARG_NAME(1);
 
     PG_RETURN_BOOL(strncmp(NameStr(*arg1), NameStr(*arg2), NAMEDATALEN) >= 0);
 }

Datum namegt ( PG_FUNCTION_ARGS )

Definition at line 170 of file name.c.

References NAMEDATALEN, NameStr, PG_GETARG_NAME, and PG_RETURN_BOOL.

 {
     Name        arg1 = PG_GETARG_NAME(0);
     Name        arg2 = PG_GETARG_NAME(1);
 
     PG_RETURN_BOOL(strncmp(NameStr(*arg1), NameStr(*arg2), NAMEDATALEN) > 0);
 }

Datum namein ( PG_FUNCTION_ARGS )

Definition at line 46 of file name.c.

References NAMEDATALEN, NameStr, palloc0(), PG_GETARG_CSTRING, pg_mbcliplen(), PG_RETURN_NAME, and result.

Referenced by AlterSubscription(), convert_requires_to_datum(), CreateAccessMethod(), createdb(), CreateForeignDataWrapper(), CreateForeignServer(), CreatePolicy(), CreatePublication(), CreateRole(), CreateSubscription(), CreateTableSpace(), CreateTrigger(), current_schema(), current_schemas(), current_user(), get_available_versions_for_extension(), getdatabaseencoding(), InsertExtensionTuple(), pg_available_extensions(), pg_client_encoding(), pg_convert_from(), pg_convert_to(), PG_encoding_to_char(), pg_get_viewdef_worker(), plpgsql_exec_trigger(), RenameRole(), session_user(), and string_to_datum().

 {
     char       *s = PG_GETARG_CSTRING(0);
     Name        result;
     int         len;
 
     len = strlen(s);
 
     /* Truncate oversize input */
     if (len >= NAMEDATALEN)
         len = pg_mbcliplen(s, len, NAMEDATALEN - 1);
 
     /* We use palloc0 here to ensure result is zero-padded */
     result = (Name) palloc0(NAMEDATALEN);
     memcpy(NameStr(*result), s, len);
 
     PG_RETURN_NAME(result);
 }

Datum namele ( PG_FUNCTION_ARGS )

Definition at line 161 of file name.c.

References NAMEDATALEN, NameStr, PG_GETARG_NAME, and PG_RETURN_BOOL.

 {
     Name        arg1 = PG_GETARG_NAME(0);
     Name        arg2 = PG_GETARG_NAME(1);
 
     PG_RETURN_BOOL(strncmp(NameStr(*arg1), NameStr(*arg2), NAMEDATALEN) <= 0);
 }

Datum namelt ( PG_FUNCTION_ARGS )

Definition at line 152 of file name.c.

References NAMEDATALEN, NameStr, PG_GETARG_NAME, and PG_RETURN_BOOL.

 {
     Name        arg1 = PG_GETARG_NAME(0);
     Name        arg2 = PG_GETARG_NAME(1);
 
     PG_RETURN_BOOL(strncmp(NameStr(*arg1), NameStr(*arg2), NAMEDATALEN) < 0);
 }

Datum namene ( PG_FUNCTION_ARGS )

Definition at line 143 of file name.c.

References NAMEDATALEN, NameStr, PG_GETARG_NAME, and PG_RETURN_BOOL.

 {
     Name        arg1 = PG_GETARG_NAME(0);
     Name        arg2 = PG_GETARG_NAME(1);
 
     PG_RETURN_BOOL(strncmp(NameStr(*arg1), NameStr(*arg2), NAMEDATALEN) != 0);
 }

Datum nameout ( PG_FUNCTION_ARGS )

Definition at line 69 of file name.c.

References NameStr, PG_GETARG_NAME, PG_RETURN_CSTRING, and pstrdup().

Referenced by make_greater_string(), RelationBuildTriggers(), and set_timetravel().

 {
     Name        s = PG_GETARG_NAME(0);
 
     PG_RETURN_CSTRING(pstrdup(NameStr(*s)));
 }

Datum namerecv ( PG_FUNCTION_ARGS )

Definition at line 80 of file name.c.

References buf, StringInfoData::cursor, ereport, errcode(), errdetail(), errmsg(), ERROR, StringInfoData::len, NAMEDATALEN, palloc0(), pfree(), PG_GETARG_POINTER, PG_RETURN_NAME, pq_getmsgtext(), and result.

 {
     StringInfo  buf = (StringInfo) PG_GETARG_POINTER(0);
     Name        result;
     char       *str;
     int         nbytes;
 
     str = pq_getmsgtext(buf, buf->len - buf->cursor, &nbytes);
     if (nbytes >= NAMEDATALEN)
         ereport(ERROR,
                 (errcode(ERRCODE_NAME_TOO_LONG),
                  errmsg("identifier too long"),
                  errdetail("Identifier must be less than %d characters.",
                            NAMEDATALEN)));
     result = (NameData *) palloc0(NAMEDATALEN);
     memcpy(result, str, nbytes);
     pfree(str);
     PG_RETURN_NAME(result);
 }

Datum namesend ( PG_FUNCTION_ARGS )

Definition at line 104 of file name.c.

References buf, NameStr, PG_GETARG_NAME, PG_RETURN_BYTEA_P, pq_begintypsend(), pq_endtypsend(), and pq_sendtext().

 {
     Name        s = PG_GETARG_NAME(0);
     StringInfoData buf;
 
     pq_begintypsend(&buf);
     pq_sendtext(&buf, NameStr(*s), strlen(NameStr(*s)));
     PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
 }

int namestrcmp	(	Name	name,
		const char *	str
	)

Definition at line 247 of file name.c.

References NameStr.

Referenced by attnameAttNum(), CopyGetAttnums(), CreateTrigger(), get_timetravel(), GetAttributeByName(), set_timetravel(), 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);
 }

int namestrcpy	(	Name	name,
		const char *	str
	)

Definition at line 216 of file name.c.

References NAMEDATALEN, NameStr, and StrNCpy.

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

 {
     if (!name || !str)
         return -1;
     StrNCpy(NameStr(*name), str, NAMEDATALEN);
     return 0;
 }

Datum session_user ( PG_FUNCTION_ARGS )

Definition at line 269 of file name.c.

References CStringGetDatum, DirectFunctionCall1, GetSessionUserId(), GetUserNameFromId(), namein(), and PG_RETURN_DATUM.

Referenced by ExecEvalSQLValueFunction().

 {
     PG_RETURN_DATUM(DirectFunctionCall1(namein, CStringGetDatum(GetUserNameFromId(GetSessionUserId(), false))));
 }

Functions

Function Documentation