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Allow CREATE TABLE IF EXIST so succeed if the schema is nonexistent 

Previously, CREATE TABLE IF EXIST threw an error if the schema was
nonexistent.  This was done by passing 'missing_ok' to the function that
looks up the schema oid.
This commit is contained in:
Bruce Momjian 2013-01-26 13:24:50 -05:00
parent 7c83619b50
commit 7e2322dff3
9 changed files with 68 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/backend/catalog/aclchk.c
View File

@ -755,7 +755,7 @@ objectsInSchemaToOids(GrantObjectType objtype, List *nspnames)
Oid namespaceId;
List *objs;
namespaceId = LookupExplicitNamespace(nspname);
namespaceId = LookupExplicitNamespace(nspname, false);
switch (objtype)
{

86
src/backend/catalog/namespace.c
View File

@ -291,7 +291,11 @@ RangeVarGetRelidExtended(const RangeVar *relation, LOCKMODE lockmode,
{
Oid namespaceId;
namespaceId = LookupExplicitNamespace(relation->schemaname);
namespaceId = LookupExplicitNamespace(relation->schemaname, missing_ok);
/*
* For missing_ok, allow a non-existant schema name
* to throw the error below (namespaceId == InvalidOid).
*/
if (namespaceId != myTempNamespace)
ereport(ERROR,
(errcode(ERRCODE_INVALID_TABLE_DEFINITION),
@ -306,8 +310,11 @@ RangeVarGetRelidExtended(const RangeVar *relation, LOCKMODE lockmode,
Oid namespaceId;
/* use exact schema given */
namespaceId = LookupExplicitNamespace(relation->schemaname);
relId = get_relname_relid(relation->relname, namespaceId);
namespaceId = LookupExplicitNamespace(relation->schemaname, missing_ok);
if (missing_ok && !OidIsValid(namespaceId))
relId = InvalidOid;
else
relId = get_relname_relid(relation->relname, namespaceId);
}
else
{
@ -919,7 +926,7 @@ FuncnameGetCandidates(List *names, int nargs, List *argnames,
if (schemaname)
{
/* use exact schema given */
namespaceId = LookupExplicitNamespace(schemaname);
namespaceId = LookupExplicitNamespace(schemaname, false);
}
else
{
@ -1453,7 +1460,7 @@ OpernameGetOprid(List *names, Oid oprleft, Oid oprright)
Oid namespaceId;
HeapTuple opertup;
namespaceId = LookupExplicitNamespace(schemaname);
namespaceId = LookupExplicitNamespace(schemaname, false);
opertup = SearchSysCache4(OPERNAMENSP,
CStringGetDatum(opername),
ObjectIdGetDatum(oprleft),
@ -1551,7 +1558,7 @@ OpernameGetCandidates(List *names, char oprkind)
if (schemaname)
{
/* use exact schema given */
namespaceId = LookupExplicitNamespace(schemaname);
namespaceId = LookupExplicitNamespace(schemaname, false);
}
else
{
@ -2093,10 +2100,13 @@ get_ts_parser_oid(List *names, bool missing_ok)
if (schemaname)
{
/* use exact schema given */
namespaceId = LookupExplicitNamespace(schemaname);
prsoid = GetSysCacheOid2(TSPARSERNAMENSP,
PointerGetDatum(parser_name),
ObjectIdGetDatum(namespaceId));
namespaceId = LookupExplicitNamespace(schemaname, missing_ok);
if (missing_ok && !OidIsValid(namespaceId))
prsoid = InvalidOid;
else
prsoid = GetSysCacheOid2(TSPARSERNAMENSP,
PointerGetDatum(parser_name),
ObjectIdGetDatum(namespaceId));
}
else
{
@ -2216,10 +2226,13 @@ get_ts_dict_oid(List *names, bool missing_ok)
if (schemaname)
{
/* use exact schema given */
namespaceId = LookupExplicitNamespace(schemaname);
dictoid = GetSysCacheOid2(TSDICTNAMENSP,
PointerGetDatum(dict_name),
ObjectIdGetDatum(namespaceId));
namespaceId = LookupExplicitNamespace(schemaname, missing_ok);
if (missing_ok && !OidIsValid(namespaceId))
dictoid = InvalidOid;
else
dictoid = GetSysCacheOid2(TSDICTNAMENSP,
PointerGetDatum(dict_name),
ObjectIdGetDatum(namespaceId));
}
else
{
@ -2340,10 +2353,13 @@ get_ts_template_oid(List *names, bool missing_ok)
if (schemaname)
{
/* use exact schema given */
namespaceId = LookupExplicitNamespace(schemaname);
tmploid = GetSysCacheOid2(TSTEMPLATENAMENSP,
PointerGetDatum(template_name),
ObjectIdGetDatum(namespaceId));
namespaceId = LookupExplicitNamespace(schemaname, missing_ok);
if (missing_ok && !OidIsValid(namespaceId))
tmploid = InvalidOid;
else
tmploid = GetSysCacheOid2(TSTEMPLATENAMENSP,
PointerGetDatum(template_name),
ObjectIdGetDatum(namespaceId));
}
else
{
@ -2463,10 +2479,13 @@ get_ts_config_oid(List *names, bool missing_ok)
if (schemaname)
{
/* use exact schema given */
namespaceId = LookupExplicitNamespace(schemaname);
cfgoid = GetSysCacheOid2(TSCONFIGNAMENSP,
PointerGetDatum(config_name),
ObjectIdGetDatum(namespaceId));
namespaceId = LookupExplicitNamespace(schemaname, missing_ok);
if (missing_ok && !OidIsValid(namespaceId))
cfgoid = InvalidOid;
else
cfgoid = GetSysCacheOid2(TSCONFIGNAMENSP,
PointerGetDatum(config_name),
ObjectIdGetDatum(namespaceId));
}
else
{
@ -2657,7 +2676,7 @@ LookupNamespaceNoError(const char *nspname)
* Returns the namespace OID. Raises ereport if any problem.
*/
Oid
LookupExplicitNamespace(const char *nspname)
LookupExplicitNamespace(const char *nspname, bool missing_ok)
{
Oid namespaceId;
AclResult aclresult;
@ -2676,8 +2695,10 @@ LookupExplicitNamespace(const char *nspname)
*/
}
namespaceId = get_namespace_oid(nspname, false);
namespaceId = get_namespace_oid(nspname, missing_ok);
if (missing_ok && !OidIsValid(namespaceId))
return InvalidOid;
aclresult = pg_namespace_aclcheck(namespaceId, GetUserId(), ACL_USAGE);
if (aclresult != ACLCHECK_OK)
aclcheck_error(aclresult, ACL_KIND_NAMESPACE,
@ -3248,7 +3269,9 @@ get_collation_oid(List *name, bool missing_ok)
if (schemaname)
{
/* use exact schema given */
namespaceId = LookupExplicitNamespace(schemaname);
namespaceId = LookupExplicitNamespace(schemaname, missing_ok);
if (missing_ok && !OidIsValid(namespaceId))
return InvalidOid;
/* first try for encoding-specific entry, then any-encoding */
colloid = GetSysCacheOid3(COLLNAMEENCNSP,
@ -3318,10 +3341,13 @@ get_conversion_oid(List *name, bool missing_ok)
if (schemaname)
{
/* use exact schema given */
namespaceId = LookupExplicitNamespace(schemaname);
conoid = GetSysCacheOid2(CONNAMENSP,
PointerGetDatum(conversion_name),
ObjectIdGetDatum(namespaceId));
namespaceId = LookupExplicitNamespace(schemaname, missing_ok);
if (missing_ok && !OidIsValid(namespaceId))
conoid = InvalidOid;
else
conoid = GetSysCacheOid2(CONNAMENSP,
PointerGetDatum(conversion_name),
ObjectIdGetDatum(namespaceId));
}
else
{

2
src/backend/commands/indexcmds.c
View File

@ -1264,7 +1264,7 @@ GetIndexOpClass(List *opclass, Oid attrType,
/* Look in specific schema only */
Oid namespaceId;
namespaceId = LookupExplicitNamespace(schemaname);
namespaceId = LookupExplicitNamespace(schemaname, false);
tuple = SearchSysCache3(CLAAMNAMENSP,
ObjectIdGetDatum(accessMethodId),
PointerGetDatum(opcname),

4
src/backend/commands/opclasscmds.c
View File

@ -103,7 +103,7 @@ OpFamilyCacheLookup(Oid amID, List *opfamilyname, bool missing_ok)
/* Look in specific schema only */
Oid namespaceId;
namespaceId = LookupExplicitNamespace(schemaname);
namespaceId = LookupExplicitNamespace(schemaname, false);
htup = SearchSysCache3(OPFAMILYAMNAMENSP,
ObjectIdGetDatum(amID),
PointerGetDatum(opfname),
@ -179,7 +179,7 @@ OpClassCacheLookup(Oid amID, List *opclassname, bool missing_ok)
/* Look in specific schema only */
Oid namespaceId;
namespaceId = LookupExplicitNamespace(schemaname);
namespaceId = LookupExplicitNamespace(schemaname, false);
htup = SearchSysCache3(CLAAMNAMENSP,
ObjectIdGetDatum(amID),
PointerGetDatum(opcname),

3
src/backend/commands/trigger.c
View File

@ -4226,7 +4226,8 @@ AfterTriggerSetState(ConstraintsSetStmt *stmt)
*/
if (constraint->schemaname)
{
Oid namespaceId = LookupExplicitNamespace(constraint->schemaname);
Oid namespaceId = LookupExplicitNamespace(constraint->schemaname,
false);
namespacelist = list_make1_oid(namespaceId);
}

2
src/backend/parser/parse_oper.c
View File

@ -1027,7 +1027,7 @@ make_oper_cache_key(OprCacheKey *key, List *opname, Oid ltypeId, Oid rtypeId)
if (schemaname)
{
/* search only in exact schema given */
key->search_path[0] = LookupExplicitNamespace(schemaname);
key->search_path[0] = LookupExplicitNamespace(schemaname, false);
}
else
{

2
src/backend/parser/parse_type.c
View File

@ -149,7 +149,7 @@ LookupTypeName(ParseState *pstate, const TypeName *typeName,
/* Look in specific schema only */
Oid namespaceId;
namespaceId = LookupExplicitNamespace(schemaname);
namespaceId = LookupExplicitNamespace(schemaname, false);
typoid = GetSysCacheOid2(TYPENAMENSP,
PointerGetDatum(typname),
ObjectIdGetDatum(namespaceId));

6
src/backend/utils/adt/xml.c
View File

@ -2678,7 +2678,7 @@ schema_to_xml(PG_FUNCTION_ARGS)
Oid nspid;
schemaname = NameStr(*name);
nspid = LookupExplicitNamespace(schemaname);
nspid = LookupExplicitNamespace(schemaname, false);
PG_RETURN_XML_P(stringinfo_to_xmltype(schema_to_xml_internal(nspid, NULL,
nulls, tableforest, targetns, true)));
@ -2724,7 +2724,7 @@ schema_to_xmlschema_internal(const char *schemaname, bool nulls,
result = makeStringInfo();
nspid = LookupExplicitNamespace(schemaname);
nspid = LookupExplicitNamespace(schemaname, false);
xsd_schema_element_start(result, targetns);
@ -2782,7 +2782,7 @@ schema_to_xml_and_xmlschema(PG_FUNCTION_ARGS)
StringInfo xmlschema;
schemaname = NameStr(*name);
nspid = LookupExplicitNamespace(schemaname);
nspid = LookupExplicitNamespace(schemaname, false);
xmlschema = schema_to_xmlschema_internal(schemaname, nulls,
tableforest, targetns);

2
src/include/catalog/namespace.h
View File

@ -106,7 +106,7 @@ extern void DeconstructQualifiedName(List *names,
char **nspname_p,
char **objname_p);
extern Oid LookupNamespaceNoError(const char *nspname);
extern Oid LookupExplicitNamespace(const char *nspname);
extern Oid LookupExplicitNamespace(const char *nspname, bool missing_ok);
extern Oid get_namespace_oid(const char *nspname, bool missing_ok);
extern Oid LookupCreationNamespace(const char *nspname);