-- datatable(a: int, b: dynamic, c: dynamic, d: dynamic) [ -- 1, dynamic(['Salmon', 'Steak', 'Chicken']), dynamic([1, 2, 3, 4]), dynamic([5, 6, 7, 8]) -- ] DROP TABLE IF EXISTS mv_expand_test_table; CREATE TABLE mv_expand_test_table ( a UInt8, b Array(String), c Array(Int8), d Array(Int8) ) ENGINE = Memory; INSERT INTO mv_expand_test_table VALUES (1, ['Salmon', 'Steak','Chicken'],[1,2,3,4],[5,6,7,8]); set dialect='kusto'; print '-- mv-expand --'; print '-- mv_expand_test_table | mv-expand c --'; mv_expand_test_table | mv-expand c; print '-- mv_expand_test_table | mv-expand c, d --'; mv_expand_test_table | mv-expand c, d; print '-- mv_expand_test_table | mv-expand b | mv-expand c --'; mv_expand_test_table | mv-expand b | mv-expand c; print '-- mv_expand_test_table | mv-expand with_itemindex=index b, c, d --'; mv_expand_test_table | mv-expand with_itemindex=index b, c, d; print '-- mv_expand_test_table | mv-expand array_concat(c,d) --'; mv_expand_test_table | mv-expand array_concat(c,d); print '-- mv_expand_test_table | mv-expand x = c, y = d --'; mv_expand_test_table | mv-expand x = c, y = d; print '-- mv_expand_test_table | mv-expand xy = array_concat(c, d) --'; mv_expand_test_table | mv-expand xy = array_concat(c, d); print '-- mv_expand_test_table | mv-expand xy = array_concat(c, d) limit 2| summarize count() by xy --'; mv_expand_test_table | mv-expand xy = array_concat(c, d) limit 2| summarize count() by xy; print '-- mv_expand_test_table | mv-expand with_itemindex=index c,d to typeof(bool) --'; mv_expand_test_table | mv-expand with_itemindex=index c,d to typeof(bool); print '-- mv_expand_test_table | mv-expand c to typeof(bool) --'; mv_expand_test_table | mv-expand c to typeof(bool); SET max_query_size = 28; SET dialect='kusto'; mv_expand_test_table | mv-expand c, d; -- { serverError SYNTAX_ERROR } SET max_query_size=262144;