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Views: better checks when adding an existing column to a view

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This commit is contained in:
Celine Mercier
2017-04-06 14:44:07 +02:00
parent 8cd3e3604f
commit ad8de80353
2 changed files with 18 additions and 16 deletions
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32
src/obiview.c
View File

@ -2216,10 +2216,13 @@ int obi_view_add_column(Obiview_p view,
obidebug(1, "\nError opening a column to add to a view");
return -1;
}
// Check that the column's line count is at least the view's line count if there's a line selection
// TODO rediscuss. This can't be more stringent because when cloning a view, if there's a line selection associated,
// Check that, if it's not the first column in the view, the column's line count is at least the view's line count if there's a line selection
// Otherwise it should be the same line count
// TODO rediscuss. When cloning a view, if there's a line selection associated,
// when re-adding the columns to the cloned view, it is normal that the columns have a line count greater than the view's.
if ((column->header)->line_count < (view->infos)->line_count)
if (((view->infos)->column_count > 0)
&& (((view->line_selection != NULL) && ((column->header)->lines_used < (view->infos)->line_count))
|| ((view->line_selection == NULL) && ((column->header)->lines_used != (view->infos)->line_count))))
{
obi_set_errno(OBIVIEW_ERROR);
obidebug(1, "\nError adding an existing column to a view: the column's line count (%lld) must be at least the view's (%lld) (when there is a line selection)", (column->header)->line_count, (view->infos)->line_count);
@ -2244,6 +2247,10 @@ int obi_view_add_column(Obiview_p view,
// Save column alias
strcpy((((view->infos)->column_references)[(view->infos)->column_count]).alias, alias);
// If it's the first column of the view, set the view's line count to the column's line count
if ((view->infos)->column_count == 0)
(view->infos)->line_count = (column->header)->lines_used;
// Update column count in view
(view->infos)->column_count++;
@ -2282,24 +2289,19 @@ int obi_view_delete_column(Obiview_p view, const char* column_name)
found = false;
for (i=0; i<((view->infos)->column_count); i++)
{
column = *((OBIDMS_column_p*)ll_get(view->columns, i));
if (column == NULL)
{
obi_set_errno(OBIVIEW_ERROR);
obidebug(1, "\nError getting a column from the linked list of column pointers of a view when deleting a column from a view");
return -1;
}
if ((!found) && (!strcmp((((view->infos)->column_references)[i]).alias, column_name)))
{
obi_close_column(column);
view->columns = ll_delete(view->columns, i);
if (view->columns != NULL)
column = *((OBIDMS_column_p*)ll_get(view->columns, i));
if (column == NULL)
{
obi_set_errno(OBIVIEW_ERROR);
obidebug(1, "\nError trying to delete a column: column not found in linked list of column pointers");
obidebug(1, "\nError getting a column from the linked list of column pointers of a view when deleting a column from a view");
return -1;
}
obi_close_column(column);
view->columns = ll_delete(view->columns, i);
// TODO how do we check for error? NULL can be empty list
found = true;
}
if (found)

2
src/obiview.h
View File

@ -305,7 +305,7 @@ Obiview_p obi_open_view(OBIDMS_p dms, const char* view_name);
* NULL or "" if the default names are to be used ("0;1;2;...;n").
* @param indexer_name The name of the indexer if there is one associated with the column.
* If NULL or "", the indexer name is set as the column name.
* @param comments Optional comments associated with the column.
* @param comments Optional comments associated with the column if it is created.
* @param create Whether the column should be created (create == true) or opened (create == false).
*
* @returns A value indicating the success of the operation.