You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

309 lines
8.3 KiB

/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
/*****************************************************************************
*
* $/Plasma20/Sources/Plasma/NucleusLib/pnSqlLib/Private/pnSqlConn.h
*
***/
#ifdef PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNSQLLIB_PRIVATE_PNSQLCONN_H
#error "Header $/Plasma20/Sources/Plasma/NucleusLib/pnSqlLib/Private/pnSqlConn.h included more than once"
#endif
#define PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNSQLLIB_PRIVATE_PNSQLCONN_H
/*****************************************************************************
*
* Types
*
***/
struct SqlConn;
struct SqlStmt;
struct SqlTrans;
typedef void (* FSqlBindPrepare)(
SqlStmt * stmt,
ARRAY(byte) * bindData
);
/*****************************************************************************
*
* Init API
*
***/
SqlConn * SqlConnCreate (
const wchar connectStr[],
unsigned maxConnections,
unsigned transTimeoutMs
);
void SqlConnShutdown (SqlConn * conn);
void SqlConnDestroy (SqlConn * conn);
/*****************************************************************************
*
* Ad-hoc query API
*
* For queries that will be performed and therefore don't want to incur
* binding and preparing overhead.
*
***/
SqlStmt * SqlConnAllocStmt (
SqlConn * conn
);
void SqlConnFreeStmt (
SqlStmt * stmt
);
void SqlStmtSetAttr (
SqlStmt * stmt,
int attr,
void * valPtr,
int strLen
);
/*****************************************************************************
*
* "Optimized" query API
*
* The "prepare" function will only be called once for a statement, and it
* will retain its bindings and memory set by the prepare function until
* SqlConnDisconnect is called (i.e. until program shutdown).
*
*
*
***/
SqlStmt * SqlConnAllocStmt (
SqlConn * conn,
FSqlBindPrepare prepare,
byte ** bindData // [OUT]
);
/*****************************************************************************
*
* Error handling
*
***/
typedef void (* FSqlConnErrorHandler)(
int result,
const wchar function[],
const wchar command[],
const char diagnostics[], // double-null terminated
void * userParam
);
void SqlConnSetErrorHandler (
SqlStmt * stmt,
FSqlConnErrorHandler handler,
void * userParam
);
/*****************************************************************************
*
* Output binding
*
***/
// Reset all changes done by SqlConnBindCol*() functions
void SqlConnBindColReset (SqlStmt * stmt);
// Obtain multiple rows in a result set by rows or columns
void SqlConnBindColMode (
SqlStmt * stmt,
SQLUINTEGER * rowCount, // SQL_ATTR_ROWS_FETCHED_PTR
SQLUINTEGER structSize, // SQL_ATTR_ROW_BIND_TYPE
SQLUINTEGER arraySize, // SQL_ATTR_ROW_ARRAY_SIZE
SQLUSMALLINT * statusArray // SQL_ATTR_ROW_STATUS_PTR
);
// Bind parameters of various types
void SqlConnBindCol (
SqlStmt * stmt,
SQLINTEGER targetType,
SQLPOINTER targetValue,
SQLINTEGER bufferLength,
SQLINTEGER * indPtr
);
/*****************************************************************************
*
* Parameter binding
*
***/
// Reset all changes done by SqlConnBindParameter*() functions
void SqlConnBindParameterReset (SqlStmt * stmt);
// Set multiple rows in an output set by rows or columns
void SqlConnBindParameterMode (
SqlStmt * stmt,
SQLUINTEGER * processCount, // SQL_ATTR_PARAMS_PROCESSED_PTR
SQLUINTEGER structSize, // SQL_ATTR_PARAM_BIND_TYPE
SQLUINTEGER arraySize, // SQL_ATTR_PARAMSET_SIZE
SQLUSMALLINT * statusArray // SQL_ATTR_PARAM_STATUS_PTR
);
// Bind parameters of various types
void SqlConnBindParameter (
SqlStmt * stmt,
SQLINTEGER inputOutputType,
SQLINTEGER valueType,
SQLINTEGER parameterType,
SQLUINTEGER columnSize,
SQLINTEGER decimalDigits,
SQLPOINTER parameterValuePtr,
SQLINTEGER bufferLength,
SQLINTEGER * indPtr
);
void SqlConnBindParameterInt (
SqlStmt * stmt,
SQLINTEGER inputOutputType,
SQLINTEGER * parameterValuePtr,
SQLINTEGER * indPtr
);
void SqlConnBindParameterUInt (
SqlStmt * stmt,
SQLINTEGER inputOutputType,
SQLUINTEGER * parameterValuePtr,
SQLINTEGER * indPtr
);
void SqlConnBindParameterString (
SqlStmt * stmt,
SQLINTEGER inputOutputType,
SQLUINTEGER columnSize, // bytes, NOT chars
SQLWCHAR * parameterValuePtr,
SQLINTEGER * indPtr
);
void SqlConnBindParameterStringA (
SqlStmt * stmt,
SQLINTEGER inputOutputType,
SQLUINTEGER columnSize, // bytes, NOT chars
SQLCHAR * parameterValuePtr,
SQLINTEGER * indPtr
);
/****************************************************************************
*
* Execution
*
***/
int SqlConnExecDirect (
SqlStmt * stmt,
const wchar string[]
);
int SqlConnPrepare (
SqlStmt * stmt,
const wchar string[]
);
int SqlConnExecute (
SqlStmt * stmt
);
int SqlConnFetch (
SqlStmt * stmt
);
int SqlConnMoreResults (
SqlStmt * stmt
);
int SqlConnParamData (
SqlStmt * stmt,
SQLPOINTER * put
);
bool SqlConnPutData (
SqlStmt * stmt,
SQLPOINTER data,
SQLINTEGER bytes
);
int SqlConnGetData (
SqlStmt * stmt,
SQLINTEGER columnNumber,
SQLINTEGER targetType,
SQLPOINTER targetValue,
SQLINTEGER bufferLength,
SQLINTEGER * indPtr
);
void SqlConnCloseCursor (
SqlStmt * stmt
);
int SqlConnNumResultCols (
SqlStmt * stmt
);
int SqlConnDescribeCol (
SqlStmt * stmt,
SQLSMALLINT columnNumber,
SQLWCHAR * columnName,
SQLSMALLINT bufferLength,
SQLSMALLINT * nameLengthPtr,
SQLSMALLINT * dataTypePtr,
SQLUINTEGER * columnSizePtr,
SQLSMALLINT * decimalDigitsPtr,
SQLSMALLINT * nullablePtr
);
/*****************************************************************************
*
* Performance API
*
***/
enum {
kSqlConnPerfConnDesired,
kSqlConnPerfConnCurrent,
kSqlConnPerfConnPending,
kSqlConnPerfConnCheckDead,
kSqlConnPerfCacheHits,
kSqlConnPerfCacheMisses,
kSqlConnNumPerf
};
unsigned SqlConnGetPerf (unsigned id);