示例#1
0
文件: odbcstmt.go 项目: qida/godbc
func (c *Conn) PrepareODBCStmt(query string) (*ODBCStmt, error) {
	var out api.SQLHANDLE
	ret := api.SQLAllocHandle(api.SQL_HANDLE_STMT, api.SQLHANDLE(c.h), &out)
	if IsError(ret) {
		return nil, NewError("SQLAllocHandle", c.h)
	}
	h := api.SQLHSTMT(out)
	drv.Stats.updateHandleCount(api.SQL_HANDLE_STMT, 1)

	b := api.StringToUTF16(query)
	ret = api.SQLPrepare(h,
		(*api.SQLWCHAR)(unsafe.Pointer(&b[0])), api.SQLINTEGER(len(b)))
	if IsError(ret) {
		defer releaseHandle(h)
		return nil, NewError("SQLPrepare", h)
	}
	ps, err := ExtractParameters(h)
	if err != nil {
		defer releaseHandle(h)
		return nil, err
	}
	return &ODBCStmt{
		h:          h,
		Parameters: ps,
		usedByStmt: true,
	}, nil
}
示例#2
0
文件: conn.go 项目: qida/godbc
func (d *Driver) Open(dsn string) (driver.Conn, error) {
	var out api.SQLHANDLE
	ret := api.SQLAllocHandle(api.SQL_HANDLE_DBC, api.SQLHANDLE(d.h), &out)
	if IsError(ret) {
		return nil, NewError("SQLAllocHandle", d.h)
	}
	h := api.SQLHDBC(out)
	drv.Stats.updateHandleCount(api.SQL_HANDLE_DBC, 1)

	b := api.StringToUTF16(dsn)
	ret = api.SQLDriverConnect(h, 0,
		(*api.SQLWCHAR)(unsafe.Pointer(&b[0])), api.SQLSMALLINT(len(b)),
		nil, 0, nil, api.SQL_DRIVER_NOPROMPT)
	if IsError(ret) {
		defer releaseHandle(h)
		return nil, NewError("SQLDriverConnect", h)
	}
	return &Conn{h: h}, nil
}