diff options
Diffstat (limited to 'src/cjr_print.sml')
| -rw-r--r-- | src/cjr_print.sml | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/src/cjr_print.sml b/src/cjr_print.sml index 4aa8d51e..b9795194 100644 --- a/src/cjr_print.sml +++ b/src/cjr_print.sml @@ -3744,6 +3744,26 @@ fun p_file env (ds, ps) = newline] end +fun isText t = + case t of + String => true + | Nullable t => isText t + | _ => false + +fun declaresAsForeignKey xs s = + case String.tokens (fn ch => Char.isSpace ch orelse ch = #"," orelse ch = #"(" orelse ch = #")") s of + "FOREIGN" :: "KEY" :: rest => + let + fun consume rest = + case rest of + [] => false + | "REFERENCES" :: _ => false + | xs' :: rest' => xs' = xs orelse consume rest' + in + consume rest + end + | _ => false + fun p_sql env (ds, _) = let val (pps, _) = ListUtil.foldlMap @@ -3756,11 +3776,19 @@ fun p_sql env (ds, _) = string "(", p_list (fn (x, t) => let + val xs = Settings.mangleSql (CharVector.map Char.toLower x) val t = sql_type_in env t + + val ts = if #textKeysNeedLengths (Settings.currentDbms ()) andalso isText t + andalso (List.exists (declaresAsForeignKey xs o #2) csts + orelse List.exists (String.isSubstring (xs ^ "(255)")) (pk :: map #2 csts)) then + "varchar(255)" + else + #p_sql_type (Settings.currentDbms ()) t in - box [string (Settings.mangleSql (CharVector.map Char.toLower x)), + box [string xs, space, - string (#p_sql_type (Settings.currentDbms ()) t), + string ts, case t of Nullable _ => box [] | _ => string " NOT NULL"] |