Lepsi komentare SQL :-)

db_compare.py

@@ -398,15 +398,15 @@ def check_tema():
 	-- TvCNode má dva potomky, oba TextNode. První drží původní text zadání, druhý řešení.
 	INNER JOIN seminar_nodes_temavcisle AS tvcn ON tvcn.tema_id = id
 	INNER JOIN seminar_nodes_treenode AS ttn ON tvcn.treenode_ptr_id = ttn.id
-	LEFT OUTER JOIN seminar_nodes_treenode AS zad_tn ON ttn.first_child_id = zad_tn.id -- jen 33 z nich
+	LEFT OUTER JOIN seminar_nodes_treenode AS zad_tn ON ttn.first_child_id = zad_tn.id -- jen 33 z nich ma zadani
-	LEFT OUTER JOIN seminar_nodes_treenode AS res_tn ON zad_tn.succ_id = res_tn.id -- jen 4 z nich  
+	LEFT OUTER JOIN seminar_nodes_treenode AS res_tn ON zad_tn.succ_id = res_tn.id -- jen 4 z nich ma reseni
 	LEFT OUTER JOIN seminar_nodes_obsah AS zad_on ON zad_on.treenode_ptr_id = zad_tn.id
 	LEFT OUTER JOIN seminar_nodes_obsah AS res_on ON res_on.treenode_ptr_id = res_tn.id
 	LEFT OUTER JOIN seminar_texty AS zad_text ON zad_on.text_id = zad_text.id
 	LEFT OUTER JOIN seminar_texty AS res_text ON res_on.text_id = res_text.id -- vsechny 4
 	-- Ročník tématu:
-	-- Podle rootu TvCN
+	-- Podle rootu TvCN to nejde
-	LEFT OUTER JOIN seminar_nodes_rocnik AS rn ON ttn.root_id = rn.treenode_ptr_id -- nic
+	LEFT OUTER JOIN seminar_nodes_rocnik AS rn ON ttn.root_id = rn.treenode_ptr_id
 
 	ORDER BY problem_ptr_id"""
 	same_fields = ['text_zadani', 'text_reseni', 'rocnik_id']