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Basic foreign table support.

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Foreign tables are a core component of SQL/MED.  This commit does
not provide a working SQL/MED infrastructure, because foreign tables
cannot yet be queried.  Support for foreign table scans will need to
be added in a future patch.  However, this patch creates the necessary
system catalog structure, syntax support, and support for ancillary
operations such as COMMENT and SECURITY LABEL.

Shigeru Hanada, heavily revised by Robert Haas
This commit is contained in:
Robert Haas
2011-01-01 23:48:11 -05:00
parent 6600d5e91c
commit 0d692a0dc9
69 changed files with 2275 additions and 211 deletions
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5
src/backend/access/common/reloptions.c
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@ -782,6 +782,9 @@ extractRelOptions(HeapTuple tuple, TupleDesc tupdesc, Oid amoptions)
case RELKIND_INDEX:
options = index_reloptions(amoptions, datum, false);
break;
case RELKIND_FOREIGN_TABLE:
options = NULL;
break;
default:
Assert(false); /* can't get here */
options = NULL; /* keep compiler quiet */
@ -1174,7 +1177,7 @@ heap_reloptions(char relkind, Datum reloptions, bool validate)
case RELKIND_RELATION:
return default_reloptions(reloptions, validate, RELOPT_KIND_HEAP);
default:
/* sequences, composite types and views are not supported */
/* other relkinds are not supported */
return NULL;
}
}