mirror of
https://github.com/FirebirdSQL/firebird.git
synced 2025-01-27 17:23:03 +01:00
94 lines
3.5 KiB
C++
94 lines
3.5 KiB
C++
/*
|
|
* The contents of this file are subject to the Interbase Public
|
|
* License Version 1.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy
|
|
* of the License at http://www.Inprise.com/IPL.html
|
|
*
|
|
* Software distributed under the License is distributed on an
|
|
* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
|
|
* or implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code was created by Inprise Corporation
|
|
* and its predecessors. Portions created by Inprise Corporation are
|
|
* Copyright (C) Inprise Corporation.
|
|
*
|
|
* All Rights Reserved.
|
|
* Contributor(s): ______________________________________.
|
|
* Adriano dos Santos Fernandes
|
|
*/
|
|
|
|
#ifndef JRD_STATEMENT_H
|
|
#define JRD_STATEMENT_H
|
|
|
|
#include "../include/fb_blk.h"
|
|
#include "../jrd/exe.h"
|
|
#include "../jrd/EngineInterface.h"
|
|
|
|
namespace Jrd {
|
|
|
|
// Compiled statement.
|
|
class JrdStatement : public pool_alloc<type_req>
|
|
{
|
|
public:
|
|
static const unsigned FLAG_SYS_TRIGGER = 0x01;
|
|
static const unsigned FLAG_INTERNAL = 0x02;
|
|
static const unsigned FLAG_IGNORE_PERM = 0x04;
|
|
//static const unsigned FLAG_VERSION4 = 0x08;
|
|
static const unsigned FLAG_POWERFUL = FLAG_SYS_TRIGGER | FLAG_INTERNAL | FLAG_IGNORE_PERM;
|
|
|
|
//static const unsigned MAP_LENGTH; // CVC: Moved to dsql/Nodes.h as STREAM_MAP_LENGTH
|
|
static const unsigned MAX_CLONES = 1000;
|
|
static const unsigned MAX_REQUEST_SIZE = 10485760; // 10 MB - just to be safe
|
|
|
|
private:
|
|
JrdStatement(thread_db* tdbb, MemoryPool* p, CompilerScratch* csb);
|
|
|
|
public:
|
|
static JrdStatement* makeStatement(thread_db* tdbb, CompilerScratch* csb, bool internalFlag);
|
|
static jrd_req* makeRequest(thread_db* tdbb, CompilerScratch* csb, bool internalFlag);
|
|
|
|
const Routine* getRoutine() const;
|
|
bool isActive() const;
|
|
|
|
jrd_req* findRequest(thread_db* tdbb);
|
|
jrd_req* getRequest(thread_db* tdbb, USHORT level);
|
|
void verifyAccess(thread_db* tdbb);
|
|
void release(thread_db* tdbb);
|
|
|
|
private:
|
|
static void verifyTriggerAccess(thread_db* tdbb, jrd_rel* ownerRelation, trig_vec* triggers,
|
|
jrd_rel* view);
|
|
static void triggersExternalAccess(thread_db* tdbb, ExternalAccessList& list, trig_vec* tvec);
|
|
|
|
void buildExternalAccess(thread_db* tdbb, ExternalAccessList& list);
|
|
|
|
public:
|
|
MemoryPool* pool;
|
|
unsigned flags; // statement flags
|
|
unsigned blrVersion;
|
|
ULONG impureSize; // Size of impure area
|
|
Firebird::Array<record_param> rpbsSetup;
|
|
Firebird::Array<jrd_req*> requests; // vector of requests
|
|
ExternalAccessList externalList; // Access to procedures/triggers to be checked
|
|
AccessItemList accessList; // Access items to be checked
|
|
ResourceList resources; // Resources (relations and indices)
|
|
const jrd_prc* procedure; // procedure, if any
|
|
const Function* function; // function, if any
|
|
Firebird::MetaName triggerName; // name of request (trigger), if any
|
|
JrdStatement* parentStatement; // Sub routine's parent statement
|
|
Firebird::Array<JrdStatement*> subStatements; // Array of subroutines' statements
|
|
const StmtNode* topNode; // top of execution tree
|
|
Firebird::Array<const RecordSource*> fors; // record sources
|
|
Firebird::Array<ULONG*> invariants; // pointer to nodes invariant offsets
|
|
Firebird::RefStrPtr sqlText; // SQL text (encoded in the metadata charset)
|
|
Firebird::Array<UCHAR> blr; // BLR for non-SQL query
|
|
MapFieldInfo mapFieldInfo; // Map field name to field info
|
|
MapItemInfo mapItemInfo; // Map item to item info
|
|
};
|
|
|
|
|
|
} // namespace Jrd
|
|
|
|
#endif // JRD_STATEMENT_H
|