Allow use of scrollable cursor for ODBC

diff --git a/ext/pdo_odbc/odbc_driver.c b/ext/pdo_odbc/odbc_driver.c
index ccbaf470e1fc841879e8cb7a0fc849d21ec47662..e3d557bb0074b1e45423ebea2d520eeeb1a7ebb7 100755 (executable)
--- a/ext/pdo_odbc/odbc_driver.c
+++ b/ext/pdo_odbc/odbc_driver.c
@@ -160,6 +160,7 @@ static int odbc_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len, p
        RETCODE rc;
        pdo_odbc_db_handle *H = (pdo_odbc_db_handle *)dbh->driver_data;
        pdo_odbc_stmt *S = ecalloc(1, sizeof(*S));
+       enum pdo_cursor_type cursor_type = PDO_CURSOR_FWDONLY;
 
        S->H = H;
        
@@ -171,6 +172,25 @@ static int odbc_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len, p
                return 0;
        }
 
+       cursor_type = pdo_attr_lval(driver_options, PDO_ATTR_CURSOR, PDO_CURSOR_FWDONLY TSRMLS_CC);
+       if (cursor_type != PDO_CURSOR_FWDONLY) {
+               SQLUINTEGER cursor;
+
+               switch (cursor_type) {
+                       case PDO_CURSOR_SCROLL:
+                               cursor = SQL_CURSOR_STATIC;
+                       default:
+                               ;
+               }
+
+               rc = SQLSetStmtAttr(S->stmt, SQL_CURSOR_TYPE, (void*)cursor, SQL_IS_UINTEGER);
+               if (rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO) {
+                       pdo_odbc_stmt_error("SQLSetStmtOption: SQL_CURSOR_TYPE");
+                       SQLFreeHandle(SQL_HANDLE_STMT, S->stmt);
+                       return 0;
+               }
+       }
+       
        rc = SQLPrepare(S->stmt, (char*)sql, SQL_NTS);
 
        if (rc != SQL_SUCCESS) {
@@ -263,7 +283,6 @@ static int odbc_handle_rollback(pdo_dbh_t *dbh TSRMLS_DC)
                }
        }
        return 1;
-
 }
 
 
@@ -338,6 +357,7 @@ static int pdo_odbc_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_D
                return 0;
        }
        
+
        if (strchr(dbh->data_source, ';')) {
                char dsnbuf[1024];
                short dsnbuflen;