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openLooKeng / hetu-odbc-driverCLGPL-2.1

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The ODBC driver of openLooKeng provides the ODBC interconnection capability for openLooKeng. spread retract

  • C 95.8%
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ma_connection.h 3.80 KB
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bryanwong authored 2020-06-29 21:58 . openlookeng first commit
/************************************************************************************
Copyright (C) 2013,2018 MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not see <http://www.gnu.org/licenses>
or write to the Free Software Foundation, Inc.,
51 Franklin St., Fifth Floor, Boston, MA 02110, USA
*************************************************************************************/
#ifndef _ma_connection_h_
#define _ma_connection_h_
#define MADB_CONN_OPT_NOT_SUPPORTED 0
#define MADB_CONN_OPT_BEFORE 1
#define MADB_CONN_OPT_AFTER 2
#define MADB_CONN_OPT_BOTH 3
/* sql_mode's identifiers */
enum enum_madb_sql_mode {MADB_NO_BACKSLASH_ESCAPES, MADB_ANSI_QUOTES };
struct st_ma_connection_methods;
struct st_madb_isolation {
long SqlIsolation;
char *StrIsolation;
};
struct st_ma_connection_methods
{
SQLRETURN (*SetAttr)(MADB_Dbc *Dbc, SQLINTEGER Attribute, SQLPOINTER ValuePtr, SQLINTEGER StringLength, my_bool isWChar);
SQLRETURN (*GetAttr)(MADB_Dbc *Dbc, SQLINTEGER Attribute, SQLPOINTER ValuePtr, SQLINTEGER BufferLength, SQLINTEGER *StringLengthPtr, my_bool isWChar);
SQLRETURN (*ConnectDB)(MADB_Dbc *Connection, MADB_Dsn *Dsn);
SQLRETURN (*EndTran)(MADB_Dbc *Dbc, SQLSMALLINT CompletionType);
SQLRETURN (*GetFunctions)(MADB_Dbc *Dbc, SQLUSMALLINT FunctionId, SQLUSMALLINT *SupportedPtr);
SQLRETURN(*GetInfo)(MADB_Dbc *Dnc, SQLUSMALLINT InfoType, SQLPOINTER InfoValuePtr,
SQLSMALLINT BufferLength, SQLSMALLINT *StringLengthPtr, my_bool isWChar);
SQLRETURN (*DriverConnect)(MADB_Dbc *Dbc, SQLHWND WindowHandle, SQLCHAR *InConnectionString,
SQLULEN StringLength1, SQLCHAR *OutConnectionString,
SQLULEN BufferLength, SQLSMALLINT *StringLength2Ptr,
SQLUSMALLINT DriverCompletion);
};
my_bool CheckConnection(MADB_Dbc *Dbc);
SQLRETURN MADB_DbcFree(MADB_Dbc *Connection);
MADB_Dbc * MADB_DbcInit(MADB_Env *Env);
SQLRETURN MADB_Dbc_GetCurrentDB(MADB_Dbc *Connection, SQLPOINTER CurrentDB, SQLINTEGER CurrentDBLength,
SQLSMALLINT *StringLengthPtr, my_bool isWChar);
BOOL MADB_SqlMode(MADB_Dbc *Connection, enum enum_madb_sql_mode SqlMode);
/* Has platform versions */
const char* MADB_GetDefaultPluginsDir(MADB_Dbc *Dbc);
#define MADB_SUPPORTED_CONVERSIONS SQL_CVT_BIGINT | SQL_CVT_BIT | SQL_CVT_CHAR | SQL_CVT_DATE |\
SQL_CVT_DECIMAL | SQL_CVT_DOUBLE | SQL_CVT_FLOAT |\
SQL_CVT_INTEGER | SQL_CVT_LONGVARCHAR | SQL_CVT_NUMERIC |\
SQL_CVT_REAL | SQL_CVT_SMALLINT | SQL_CVT_TIME | SQL_CVT_TIMESTAMP |\
SQL_CVT_TINYINT | SQL_CVT_VARCHAR | SQL_CVT_WCHAR | \
SQL_CVT_WLONGVARCHAR | SQL_CVT_WVARCHAR
/**************** Helper macros ****************/
/* check if the connection is established */
#define MADB_Dbc_ACTIVE(a) \
((a)->mariadb && mysql_get_socket((a)->mariadb) != MARIADB_INVALID_SOCKET)
#define MADB_Dbc_DSN(a) \
(a) && (a)->Dsn
#define MADB_CONNECTED(DbConnHandler) (DbConnHandler->mariadb && mysql_get_socket(DbConnHandler->mariadb) != MARIADB_INVALID_SOCKET)
#endif /* _ma_connection_h */

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