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Tsearch2 functionality migrates to core. The bulk of this work is by

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Oleg Bartunov and Teodor Sigaev, but I did a lot of editorializing,
so anything that's broken is probably my fault.

Documentation is nonexistent as yet, but let's land the patch so we can
get some portability testing done.
This commit is contained in:
Tom Lane
2007-08-21 01:11:32 +00:00
parent 4e94d1f952
commit 140d4ebcb4
200 changed files with 54388 additions and 147 deletions
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229
src/backend/utils/adt/regproc.c
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@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/regproc.c,v 1.102 2007/06/26 16:48:09 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/regproc.c,v 1.103 2007/08/21 01:11:18 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -27,6 +27,8 @@
#include "catalog/namespace.h"
#include "catalog/pg_operator.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_ts_config.h"
#include "catalog/pg_ts_dict.h"
#include "catalog/pg_type.h"
#include "miscadmin.h"
#include "parser/parse_type.h"
@ -1065,6 +1067,231 @@ regtypesend(PG_FUNCTION_ARGS)
}
/*
* regconfigin - converts "tsconfigname" to tsconfig OID
*
* We also accept a numeric OID, for symmetry with the output routine.
*
* '-' signifies unknown (OID 0). In all other cases, the input must
* match an existing pg_ts_config entry.
*
* This function is not needed in bootstrap mode, so we don't worry about
* making it work then.
*/
Datum
regconfigin(PG_FUNCTION_ARGS)
{
char *cfg_name_or_oid = PG_GETARG_CSTRING(0);
Oid result;
List *names;
/* '-' ? */
if (strcmp(cfg_name_or_oid, "-") == 0)
PG_RETURN_OID(InvalidOid);
/* Numeric OID? */
if (cfg_name_or_oid[0] >= '0' &&
cfg_name_or_oid[0] <= '9' &&
strspn(cfg_name_or_oid, "0123456789") == strlen(cfg_name_or_oid))
{
result = DatumGetObjectId(DirectFunctionCall1(oidin,
CStringGetDatum(cfg_name_or_oid)));
PG_RETURN_OID(result);
}
/*
* Normal case: parse the name into components and see if it matches any
* pg_ts_config entries in the current search path.
*/
names = stringToQualifiedNameList(cfg_name_or_oid);
result = TSConfigGetCfgid(names, false);
PG_RETURN_OID(result);
}
/*
* regconfigout - converts tsconfig OID to "tsconfigname"
*/
Datum
regconfigout(PG_FUNCTION_ARGS)
{
Oid cfgid = PG_GETARG_OID(0);
char *result;
HeapTuple cfgtup;
if (cfgid == InvalidOid)
{
result = pstrdup("-");
PG_RETURN_CSTRING(result);
}
cfgtup = SearchSysCache(TSCONFIGOID,
ObjectIdGetDatum(cfgid),
0, 0, 0);
if (HeapTupleIsValid(cfgtup))
{
Form_pg_ts_config cfgform = (Form_pg_ts_config) GETSTRUCT(cfgtup);
char *cfgname = NameStr(cfgform->cfgname);
char *nspname;
/*
* Would this config be found by regconfigin? If not, qualify it.
*/
if (TSConfigIsVisible(cfgid))
nspname = NULL;
else
nspname = get_namespace_name(cfgform->cfgnamespace);
result = quote_qualified_identifier(nspname, cfgname);
ReleaseSysCache(cfgtup);
}
else
{
/* If OID doesn't match any pg_ts_config row, return it numerically */
result = (char *) palloc(NAMEDATALEN);
snprintf(result, NAMEDATALEN, "%u", cfgid);
}
PG_RETURN_CSTRING(result);
}
/*
* regconfigrecv - converts external binary format to regconfig
*/
Datum
regconfigrecv(PG_FUNCTION_ARGS)
{
/* Exactly the same as oidrecv, so share code */
return oidrecv(fcinfo);
}
/*
* regconfigsend - converts regconfig to binary format
*/
Datum
regconfigsend(PG_FUNCTION_ARGS)
{
/* Exactly the same as oidsend, so share code */
return oidsend(fcinfo);
}
/*
* regdictionaryin - converts "tsdictionaryname" to tsdictionary OID
*
* We also accept a numeric OID, for symmetry with the output routine.
*
* '-' signifies unknown (OID 0). In all other cases, the input must
* match an existing pg_ts_dict entry.
*
* This function is not needed in bootstrap mode, so we don't worry about
* making it work then.
*/
Datum
regdictionaryin(PG_FUNCTION_ARGS)
{
char *dict_name_or_oid = PG_GETARG_CSTRING(0);
Oid result;
List *names;
/* '-' ? */
if (strcmp(dict_name_or_oid, "-") == 0)
PG_RETURN_OID(InvalidOid);
/* Numeric OID? */
if (dict_name_or_oid[0] >= '0' &&
dict_name_or_oid[0] <= '9' &&
strspn(dict_name_or_oid, "0123456789") == strlen(dict_name_or_oid))
{
result = DatumGetObjectId(DirectFunctionCall1(oidin,
CStringGetDatum(dict_name_or_oid)));
PG_RETURN_OID(result);
}
/*
* Normal case: parse the name into components and see if it matches any
* pg_ts_dict entries in the current search path.
*/
names = stringToQualifiedNameList(dict_name_or_oid);
result = TSDictionaryGetDictid(names, false);
PG_RETURN_OID(result);
}
/*
* regdictionaryout - converts tsdictionary OID to "tsdictionaryname"
*/
Datum
regdictionaryout(PG_FUNCTION_ARGS)
{
Oid dictid = PG_GETARG_OID(0);
char *result;
HeapTuple dicttup;
if (dictid == InvalidOid)
{
result = pstrdup("-");
PG_RETURN_CSTRING(result);
}
dicttup = SearchSysCache(TSDICTOID,
ObjectIdGetDatum(dictid),
0, 0, 0);
if (HeapTupleIsValid(dicttup))
{
Form_pg_ts_dict dictform = (Form_pg_ts_dict) GETSTRUCT(dicttup);
char *dictname = NameStr(dictform->dictname);
char *nspname;
/*
* Would this dictionary be found by regdictionaryin?
* If not, qualify it.
*/
if (TSDictionaryIsVisible(dictid))
nspname = NULL;
else
nspname = get_namespace_name(dictform->dictnamespace);
result = quote_qualified_identifier(nspname, dictname);
ReleaseSysCache(dicttup);
}
else
{
/* If OID doesn't match any pg_ts_dict row, return it numerically */
result = (char *) palloc(NAMEDATALEN);
snprintf(result, NAMEDATALEN, "%u", dictid);
}
PG_RETURN_CSTRING(result);
}
/*
* regdictionaryrecv - converts external binary format to regdictionary
*/
Datum
regdictionaryrecv(PG_FUNCTION_ARGS)
{
/* Exactly the same as oidrecv, so share code */
return oidrecv(fcinfo);
}
/*
* regdictionarysend - converts regdictionary to binary format
*/
Datum
regdictionarysend(PG_FUNCTION_ARGS)
{
/* Exactly the same as oidsend, so share code */
return oidsend(fcinfo);
}
/*
* text_regclass: convert text to regclass
*