// Sets the ODBC version for the environment
func SetODBCVersion(version ODBCVersion) {
switch version {
case ODBCVersion_3:
ret := odbc.SQLSetEnvAttr(envHandle, odbc.SQL_ATTR_ODBC_VERSION, odbc.SQL_OV_ODBC3, 0)
if isError(ret) {
panic(errorEnvironment(envHandle))
}
break
case ODBCVersion_380:
ret := odbc.SQLSetEnvAttr(envHandle, odbc.SQL_ATTR_ODBC_VERSION, odbc.SQL_OV_ODBC3_80, 0)
if isError(ret) {
panic(errorEnvironment(envHandle))
}
break
}
}
// Allocates shared environment
func init() {
// Set environment handle for connection pooling
ret := odbc.SQLSetEnvAttr(envHandle, odbc.SQL_ATTR_CONNECTION_POOLING, odbc.SQL_CP_ONE_PER_DRIVER, 0)
if isError(ret) {
panic(errorEnvironment(envHandle))
}
// Allocate the environment handle
ret = odbc.SQLAllocHandle(odbc.SQL_HANDLE_ENV, 0, &envHandle)
if isError(ret) {
panic(errorEnvironment(envHandle))
}
// Set the environment handle to use ODBC v3
ret = odbc.SQLSetEnvAttr(envHandle, odbc.SQL_ATTR_ODBC_VERSION, odbc.SQL_OV_ODBC3, 0)
if isError(ret) {
panic(errorEnvironment(envHandle))
}
// Register with the SQL package
d := &lodbcDriver{}
sql.Register("lodbc", d)
}