From: Marc G. Fournier <scrappy@hub.org>
Date: Tue, 17 Nov 1998 03:10:36 +0000 (+0000)
Subject: From: Taral <taral@cyberjunkie.com>
X-Git-Tag: REL6_5~962
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=91a62480f7134d862faa6eb7a2e31d29715de42f;p=postgresql
From: Taral <taral@cyberjunkie.com>
More COS Query Service support.
---
diff --git a/src/corba/CosQuery.idl b/src/corba/CosQuery.idl
new file mode 100644
index 0000000000..881be07d6e
--- /dev/null
+++ b/src/corba/CosQuery.idl
@@ -0,0 +1,89 @@
+/* RCS $Id: CosQuery.idl,v 1.1 1998/11/17 03:10:35 scrappy Exp $
+ *
+ * ----------------------------------------------------------------------------
+ * This is unmarked software provided by the Object Management Group,Inc. (OMG)
+ * ----------------------------------------------------------------------------
+ */
+
+
+/**
+ * CosQuery is the Common Object Services Specification query module
+ * as it it appears in COSS1, v1.0.
+ */
+
+
+#ifndef CosQuery_idl
+#define CosQuery_idl
+
+#ifndef CosQueryCollection_idl
+#include "CosQueryCollection.idl"
+#endif
+
+module CosQuery {
+
+ exception QueryInvalid {string why;};
+ exception QueryProcessingError {string why;};
+ exception QueryTypeInvalid {};
+
+ enum QueryStatus {complete, incomplete};
+
+ typedef CosQueryCollection::ParameterList ParameterList;
+
+ typedef CORBA::InterfaceDef QLType;
+ typedef sequence<QLType> QLTypeSeq;
+
+ interface Query;
+ interface QueryLanguageType {};
+ interface SQLQuery : QueryLanguageType {};
+ interface SQL_92Query : SQLQuery {};
+ interface OQL : QueryLanguageType {};
+ interface OQLBasic : OQL {};
+ interface OQL_93 : OQL {};
+ interface OQL_93Basic : OQL_93, OQLBasic {};
+
+ interface QueryEvaluator {
+
+ readonly attribute QLTypeSeq ql_types;
+ readonly attribute QLType default_ql_type;
+
+ any evaluate (in string query,
+ in QLType ql_type,
+ in ParameterList params)
+ raises(QueryTypeInvalid,
+ QueryInvalid,
+ QueryProcessingError);
+ };
+
+ interface QueryableCollection : QueryEvaluator,
+ CosQueryCollection::Collection {
+
+ };
+
+ interface QueryManager : QueryEvaluator {
+
+ Query create (in string query,
+ in QLType ql_type,
+ in ParameterList params)
+ raises(QueryTypeInvalid,
+ QueryInvalid);
+
+ };
+
+ interface Query {
+
+ readonly attribute QueryManager query_mgr;
+
+ void prepare (in ParameterList params)
+ raises(QueryProcessingError);
+
+ void execute (in ParameterList params)
+ raises(QueryProcessingError);
+
+ QueryStatus get_status ();
+
+ any get_result ();
+ };
+
+};
+
+#endif // CosQuery_idl
diff --git a/src/corba/pgsql.idl b/src/corba/pgsql.idl
index 33c5484016..63a593b2f3 100644
--- a/src/corba/pgsql.idl
+++ b/src/corba/pgsql.idl
@@ -1,78 +1,79 @@
-#include "CosQueryCollection.idl"
-
#ifndef pgsql_idl
#define pgsql_idl
+#ifndef CosQuery_idl
+#include "CosQuery.idl"
+#endif
+
+#ifndef CosQueryCollection_idl
+#include "CosQueryCollection.idl"
+#endif
+
module PostgreSQL {
-
- // Built-in types
-
- module Types {
- // Arrays in network order
- typedef short int2;
- typedef long int4;
- typedef long int8[2];
- };
-
-
- // NULL support
-
- typedef boolean Null;
-
- union Value switch (Null) {
- case false: any value;
- };
-
- typedef sequence<Value> Row;
-
- // <info>
- // More about the application of COSS:
- //
- // A Table will be a QueryableCollection of Rows
- // A Database will be a QueryableCollection of Tables
- // Both will be queryable via the Query Service
- //
- // Other relations will be representable using the Relationship Service
- // This includes primary/foreign keys and anything else :)
- //
- // GRANT/REVOKE can be supplied via the Security Service
- //
- // See a pattern here? The whole of SQL can be implemented by these services!
- // The statements go through a parser. Queries and subqueries are passed to the
- // database for processing. Returned items are handled appropriately:
- //
- // SELECT: return the items to the caller
- // UPDATE: modify the items (direct)
- // DELETE: call delete() on each Row (direct)
- // GRANT/REVOKE: modify ACLs (via Security Service)
- // ALTER: modify the items (direct) and/or the relations (via Relationship Service)
- // etc.
- //
- // I'm not sure yet about LOCK and UNLOCK.
- // </info>
-
-
- // Query result interface
- //
- // Should the iterator support a 'boolean skip(in long n)' extension?
-
- interface QueryResult : CosQueryCollection::Collection {};
- interface QueryResultIterator : CosQueryCollection::Iterator {};
-
-
- // Connected database object
-
- interface Database {
- QueryResult exec(in string query);
- void disconnect();
- };
-
-
- // Server object (stateless)
-
- interface Server {
- Database connect(in string db, in string user, in string password);
- };
+
+ // Built-in types
+
+ module Types {
+ // Arrays in network order
+ typedef short int2;
+ typedef long int4;
+ typedef long int8[2];
+ };
+
+
+ // NULL support
+
+ typedef boolean Null;
+
+ union Value switch (Null) {
+ case false: any value;
+ };
+
+
+ // Row definition
+
+ typedef sequence<Value> Row;
+
+ // <info>
+ // More about the application of COSS:
+ //
+ // A Table will be a QueryableCollection of Rows
+ // A Database will be a QueryableCollection of Tables
+ // (Currently Tables are not exported... maybe later.)
+ // Both will be queryable via the Query Service
+ //
+ // Other relations will be representable using the Relationship Service
+ // This includes primary/foreign keys and anything else :)
+ //
+ // GRANT/REVOKE can be supplied via the Security Service
+ //
+ // See a pattern here? The whole of SQL can be implemented by these services!
+ // The statements go through a parser. Queries and subqueries are passed to the
+ // database for processing. Returned items are handled appropriately:
+ //
+ // SELECT: return the items to the caller
+ // UPDATE: modify the items (direct)
+ // DELETE: call delete() on each Row (direct)
+ // GRANT/REVOKE: modify ACLs (via Security Service)
+ // ALTER: modify the items (direct) and/or the relations (via Relationship Service)
+ // etc.
+ //
+ // I'm not sure yet about LOCK and UNLOCK.
+ // </info>
+
+
+ // Connected database object
+
+ interface Database : CosQuery::QueryableCollection {
+ void disconnect();
+ };
+
+
+ // Server object (stateless)
+
+ interface Server {
+ Database connect(in string db, in string user, in string password);
+ };
};
#endif // pgsql_idl