Hello, I explain my pb : i've created a table with 3 columns ( t ( col1, col2, col3) ) For performance reasons, i've created a function get_col3(v1, v2 ) returning v3 which is col3%type type and is used in a view. My queries are very much less cost than previously. Now, when i want to query with a filter on get_col3(v1, v2 ) field, i
