/*
* execute_sql_statement
*
* arguments:
* statement: statement to be executed
*
* returns/side-effects: int
*
* description:
*/
int
execute_sql_statement (FILE * fp, char *statement)
{
int db_error = NO_ERROR;
DB_SESSION *session;
DB_QUERY_RESULT *query_result;
int stmtid;
CUBRID_STMT_TYPE stmt_type;
session = db_open_buffer (statement);
if (session == NULL)
{
return db_error_code ();
}
stmtid = db_compile_statement (session);
if (stmtid < 0)
{
return db_error_code ();
}
stmt_type = db_get_statement_type (session, stmtid);
db_error = db_execute_statement (session, stmtid, &query_result);
if (db_error < 0)
{
return db_error_code ();
}
else if (stmt_type == CUBRID_STMT_UPDATE || stmt_type == CUBRID_STMT_DELETE)
{
fprintf (fp, "%d row%s %s\n", db_error, (db_error > 1 ? "s" : ""),
(stmt_type == CUBRID_STMT_SELECT ? "selected" : "affected"));
}
if (query_result != NULL)
{
if (stmt_type == CUBRID_STMT_SELECT || stmt_type == CUBRID_STMT_CALL)
{
my_db_csql_debug_print_result (fp, query_result, stmt_type);
}
fprintf (fp, "%d row%s %s\n", db_error, (db_error > 1 ? "s" : ""),
(stmt_type == CUBRID_STMT_SELECT ? "selected" : "affected"));
db_error = db_query_end (query_result);
if (db_error != NO_ERROR)
{
db_close_session (session);
return db_error;
}
}
db_close_session (session);
return NO_ERROR;
}
/*
* ldr_exec_query_from_file - execute queries from file
* return: 0 if successful, non-zero otherwise
* file_name(in): file path
* file(in): FILE *
* start_line(in): start line
* commit_period(in): commit period
*/
static int
ldr_exec_query_from_file (const char *file_name, FILE * input_stream,
int *start_line, int commit_period)
{
DB_SESSION *session = NULL;
DB_QUERY_RESULT *res = NULL;
int error = 0;
int stmt_cnt, stmt_id = 0, stmt_type;
int executed_cnt = 0;
int parser_start_line_no;
int parser_end_line_no = 1;
int check_line_no = true;
if ((*start_line) > 1)
{
int line_count = *start_line - 1;
do
{
int c = fgetc (input_stream);
if (c == EOF)
{
print_log_msg (1, msgcat_message (MSGCAT_CATALOG_UTILS,
MSGCAT_UTIL_SET_LOADDB,
LOADDB_MSG_UNREACHABLE_LINE),
file_name, *start_line);
error = ER_GENERIC_ERROR;
goto end;
}
else if (c == '\n')
{
line_count--;
}
}
while (line_count > 0);
}
check_line_no = false;
session = db_make_session_for_one_statement_execution (input_stream);
if (session == NULL)
{
print_log_msg (1, "ERROR: %s\n", db_error_string (3));
error = er_errid ();
goto end;
}
util_arm_signal_handlers (&ldr_exec_query_interrupt_handler,
&ldr_exec_query_interrupt_handler);
while (1)
{
if (interrupt_query)
{
if (er_errid () != ER_INTERRUPTED)
{
er_set (ER_ERROR_SEVERITY, ARG_FILE_LINE, ER_INTERRUPTED, 0);
}
error = er_errid ();
db_close_session (session);
goto end;
}
parser_start_line_no = parser_end_line_no;
stmt_cnt = db_parse_one_statement (session);
if (stmt_cnt > 0)
{
db_get_parser_line_col (session, &parser_end_line_no, NULL);
stmt_id = db_compile_statement (session);
}
if (stmt_cnt <= 0 || stmt_id <= 0)
{
DB_SESSION_ERROR *session_error;
int line, col;
if ((session_error = db_get_errors (session)) != NULL)
{
do
{
session_error =
db_get_next_error (session_error, &line, &col);
if (line >= 0)
{
print_log_msg (1, "In %s line %d,\n", file_name,
line + (*start_line));
print_log_msg (1, "ERROR: %s \n", db_error_string (3));
error = er_errid ();
}
}
while (session_error);
}
db_close_session (session);
break;
}
stmt_type = db_get_statement_type (session, stmt_id);
res = (DB_QUERY_RESULT *) NULL;
error = db_execute_statement (session, stmt_id, &res);
if (error < 0)
{
print_log_msg (1, "ERROR: %s\n", db_error_string (3));
db_close_session (session);
break;
}
executed_cnt++;
error = db_query_end (res);
if (error < 0)
{
print_log_msg (1, "ERROR: %s\n", db_error_string (3));
db_close_session (session);
break;
}
if (stmt_type == CUBRID_STMT_COMMIT_WORK ||
(commit_period && (executed_cnt % commit_period == 0)))
{
db_commit_transaction ();
print_log_msg (Verbose_commit,
"%8d statements executed. Commit transaction at line %d\n",
executed_cnt, parser_end_line_no);
*start_line = parser_end_line_no + 1;
}
print_log_msg ((int) Verbose, "Total %8d statements executed.\r",
executed_cnt);
fflush (stdout);
}
end:
if (error < 0)
{
db_abort_transaction ();
}
else
{
*start_line = parser_end_line_no + 1;
print_log_msg (1, "Total %8d statements executed.\n", executed_cnt);
fflush (stdout);
db_commit_transaction ();
}
return error;
}
