msdasql: Implement IColumnsRowset GetAvailableColumns.

The functions returns a series of custom columns to make a row unique. For us, it's safe to return no extra columns at this stage. Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>

msdasql: Implement IColumnsRowset GetAvailableColumns.
df72f9a8 · Alistair Leslie-Hughes · Alexandre Julliard · ebf00708 · df72f9a8
Commit df72f9a8 authored Nov 14, 2021 by Alistair Leslie-Hughes Committed by Alexandre Julliard Sep 20, 2022
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Showing with 10 additions and 2 deletions

session.c dlls/msdasql/session.c +10 -2

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--- a/dlls/msdasql/session.c
+++ b/dlls/msdasql/session.c
@@ -919,8 +919,16 @@ static ULONG WINAPI column_rs_Release(IColumnsRowset *iface)
 static HRESULT WINAPI column_rs_GetAvailableColumns(IColumnsRowset *iface, DBORDINAL *count, DBID **columns)
 {
    struct msdasql_rowset *rowset = impl_from_IColumnsRowset( iface );
-    FIXME("%p, %p, %p\n", rowset, count, columns);
-    return E_NOTIMPL;
+
+    TRACE("%p, %p, %p\n", rowset, count, columns);
+
+    if (!count || !columns)
+        return E_INVALIDARG;
+
+    *count = 0;
+    *columns = NULL;
+
+    return S_OK;
 }

 static HRESULT WINAPI column_rs_GetColumnsRowset(IColumnsRowset *iface, IUnknown *outer, DBORDINAL count,