RETCODE SQL_API SQLAllocStmt(HDBC hdbc,
- HSTMT FAR *phstmt)
+ HSTMT FAR *phstmt)
{
static char *func="SQLAllocStmt";
ConnectionClass *conn = (ConnectionClass *) hdbc;
}
if ( ! CC_add_statement(conn, stmt)) {
- conn->errormsg = "Maximum number of connections exceeded.";
- conn->errornumber = CONN_STMT_ALLOC_ERROR;
+ conn->errormsg = "Maximum number of connections exceeded.";
+ conn->errornumber = CONN_STMT_ALLOC_ERROR;
CC_log_error(func, "", conn);
- SC_Destructor(stmt);
+ SC_Destructor(stmt);
*phstmt = SQL_NULL_HSTMT;
- return SQL_ERROR;
+ return SQL_ERROR;
}
*phstmt = (HSTMT) stmt;
RETCODE SQL_API SQLFreeStmt(HSTMT hstmt,
- UWORD fOption)
+ UWORD fOption)
{
static char *func="SQLFreeStmt";
StatementClass *stmt = (StatementClass *) hstmt;
} else if (fOption == SQL_CLOSE) {
/* this should discard all the results, but leave the statement */
/* itself in place (it can be executed again) */
- if (!SC_recycle_statement(stmt)) {
+ if (!SC_recycle_statement(stmt)) {
// errormsg passed in above
SC_log_error(func, "", stmt);
- return SQL_ERROR;
+ return SQL_ERROR;
}
} else if(fOption == SQL_RESET_PARAMS) {
SC_free_params(stmt, STMT_FREE_PARAMS_ALL);
} else {
- stmt->errormsg = "Invalid option passed to SQLFreeStmt.";
- stmt->errornumber = STMT_OPTION_OUT_OF_RANGE_ERROR;
+ stmt->errormsg = "Invalid option passed to SQLFreeStmt.";
+ stmt->errornumber = STMT_OPTION_OUT_OF_RANGE_ERROR;
SC_log_error(func, "", stmt);
- return SQL_ERROR;
+ return SQL_ERROR;
}
-
+
return SQL_SUCCESS;
}
return TRUE;
}
-/* Free parameters and free the memory from the
+/* Free parameters and free the memory from the
data-at-execution parameters that was allocated in SQLPutData.
*/
void
}
-int
+int
statement_type(char *statement)
{
int i;
from SQLExecute if STMT_FINISHED, or
from SQLFreeStmt(SQL_CLOSE)
*/
-char
+char
SC_recycle_statement(StatementClass *self)
{
ConnectionClass *conn;
mylog("recycle statement: self= %u\n", self);
- /* This would not happen */
+ /* This would not happen */
if (self->status == STMT_EXECUTING) {
self->errornumber = STMT_SEQUENCE_ERROR;
self->errormsg = "Statement is currently executing a transaction.";
If so, we have to rollback that transaction.
*/
conn = SC_get_conn(self);
- if ( ! CC_is_in_autocommit(conn) && CC_is_in_trans(conn)) {
+ if ( ! CC_is_in_autocommit(conn) && CC_is_in_trans(conn)) {
CC_send_query(conn, "ABORT", NULL);
CC_set_no_trans(conn);
}
/* Pre-execute a statement (SQLPrepare/SQLDescribeCol) */
-void
+void
SC_pre_execute(StatementClass *self)
{
mylog(" preprocess: after status = FINISHED, so set PREMATURE\n");
self->status = STMT_PREMATURE;
}
- }
+ }
}
/* This is only called from SQLFreeStmt(SQL_UNBIND) */
-char
+char
SC_unbind_cols(StatementClass *self)
{
Int2 lf;
return 1;
}
-void
+void
SC_clear_error(StatementClass *self)
{
self->errornumber = 0;
return msg;
}
-char
+char
SC_get_error(StatementClass *self, int *number, char **message)
{
char rv;
}
/* Currently, the driver offers very simple bookmark support -- it is
- just the current row number. But it could be more sophisticated
+ just the current row number. But it could be more sophisticated
someday, such as mapping a key to a 32 bit value
*/
unsigned long
SC_get_bookmark(StatementClass *self)
{
- return (self->currTuple + 1);
+ return (self->currTuple + 1);
}
RETCODE
ci = QR_get_fields(res); /* the column info */
mylog("manual_result = %d, use_declarefetch = %d\n", self->manual_result, globals.use_declarefetch);
-
+
if ( self->manual_result || ! globals.use_declarefetch) {
- if (self->currTuple >= QR_get_num_tuples(res) -1 ||
+ if (self->currTuple >= QR_get_num_tuples(res) -1 ||
(self->options.maxRows > 0 && self->currTuple == self->options.maxRows - 1)) {
- /* if at the end of the tuples, return "no data found"
- and set the cursor past the end of the result set
+ /* if at the end of the tuples, return "no data found"
+ and set the cursor past the end of the result set
*/
- self->currTuple = QR_get_num_tuples(res);
+ self->currTuple = QR_get_num_tuples(res);
return SQL_NO_DATA_FOUND;
}
-
+
mylog("**** SQLFetch: manual_result\n");
(self->currTuple)++;
}
self->last_fetch_count = 1;
/* If the bookmark column was bound then return a bookmark.
- Since this is used with SQLExtendedFetch, and the rowset size
+ Since this is used with SQLExtendedFetch, and the rowset size
may be greater than 1, and an application can use row or column wise
binding, use the code in copy_and_convert_field() to handle that.
*/
char buf[32];
sprintf(buf, "%ld", SC_get_bookmark(self));
- result = copy_and_convert_field(self, 0, buf,
+ result = copy_and_convert_field(self, 0, buf,
SQL_C_ULONG, self->bookmark.buffer, 0, self->bookmark.used);
}
self->bindings[lf].data_left = -1;
if (self->bindings[lf].buffer != NULL) {
- // this column has a binding
+ // this column has a binding
- // type = QR_get_field_type(res, lf);
+ // type = QR_get_field_type(res, lf);
type = CI_get_oid(ci, lf); /* speed things up */
mylog("type = %d\n", type);
SC_log_error(func, "", self);
return SQL_ERROR;
}
-
- ok = QR_command_successful(res);
-
+
+ ok = QR_command_successful(res);
+
mylog("SQLExecute: ok = %d, status = %d\n", ok, QR_get_status(res));
-
+
QR_Destructor(res);
-
+
if (!ok) {
self->errormsg = "Could not begin a transaction";
self->errornumber = STMT_EXEC_ERROR;
qi.cursor = self->cursor_name;
qi.row_size = globals.fetch_max;
- /* Most likely the rowset size will not be set by the application until
- after the statement is executed, so might as well use the cache size.
- The qr_next_tuple() function will correct for any discrepancies in
+ /* Most likely the rowset size will not be set by the application until
+ after the statement is executed, so might as well use the cache size.
+ The qr_next_tuple() function will correct for any discrepancies in
sizes and adjust the cache accordingly.
*/
sprintf(fetch, "fetch %d in %s", qi.row_size, self->cursor_name);
-
+
self->result = CC_send_query( conn, fetch, &qi);
}
mylog(" done sending the query:\n");
-
+
}
- else { // not a SELECT statement so don't use a cursor
+ else { // not a SELECT statement so don't use a cursor
mylog(" it's NOT a select statement: stmt=%u\n", self);
self->result = CC_send_query(conn, self->stmt_with_params, NULL);
-
+
// If we are in autocommit, we must send the commit.
if ( ! self->internal && CC_is_in_autocommit(conn) && STMT_UPDATE(self)) {
- CC_send_query(conn, "COMMIT", NULL);
- CC_set_no_trans(conn);
+ res = CC_send_query(conn, "COMMIT", NULL);
+ QR_Destructor(res);
+ CC_set_no_trans(conn);
}
-
+
}
conn->status = oldstatus;
was_ok = QR_command_successful(self->result);
was_nonfatal = QR_command_nonfatal(self->result);
-
+
if ( was_ok)
self->errornumber = STMT_OK;
else
self->errornumber = was_nonfatal ? STMT_INFO_ONLY : STMT_ERROR_TAKEN_FROM_BACKEND;
-
+
self->currTuple = -1; /* set cursor before the first tuple in the list */
self->current_col = -1;
self->rowset_start = -1;
-
+
/* see if the query did return any result columns */
numcols = QR_NumResultCols(self->result);
-
+
/* now allocate the array to hold the binding info */
if (numcols > 0) {
extend_bindings(self, numcols);
return SQL_ERROR;
}
}
-
+
} else { /* Bad Error -- The error message will be in the Connection */
if (self->statement_type == STMT_TYPE_CREATE) {
qlog(" message='%s', command='%s', notice='%s'\n", nullcheck(res->message), nullcheck(res->command), nullcheck(res->notice));
qlog(" status=%d, inTuples=%d\n", res->status, res->inTuples);
}
-
+
// Log the connection error if there is one
CC_log_error(func, desc, self->hdbc);
}
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