Mercurial > meta
diff sql.urs @ 16:959583692166
Reorder arguments for better partial application
| author | Adam Chlipala <adam@chlipala.net> |
|---|---|
| date | Sun, 11 Dec 2011 14:44:18 -0500 |
| parents | 6ebc2ca594b7 |
| children | 875221eee987 |
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--- a/sql.urs Sun Dec 11 14:04:34 2011 -0500 +++ b/sql.urs Sun Dec 11 14:44:18 2011 -0500 @@ -18,16 +18,17 @@ val insertIfMissing : keyCols ::: {Type} -> otherCols ::: {Type} -> otherKeys ::: {{Unit}} -> [keyCols ~ otherCols] => [[Pkey] ~ otherKeys] - => sql_table (keyCols ++ otherCols) ([Pkey = map (fn _ => ()) keyCols] ++ otherKeys) + => folder keyCols -> $(map sql_injectable keyCols) + -> folder otherCols -> $(map sql_injectable otherCols) + -> sql_table (keyCols ++ otherCols) ([Pkey = map (fn _ => ()) keyCols] ++ otherKeys) -> $(keyCols ++ otherCols) - -> folder keyCols -> $(map sql_injectable keyCols) - -> folder otherCols -> $(map sql_injectable otherCols) -> transaction bool (* Insert a row into an SQL table if its key isn't already present, returning [False] iff the key was already present *) val deleteByKey : keyCols ::: {Type} -> otherCols ::: {Type} -> otherKeys ::: {{Unit}} -> [keyCols ~ otherCols] => [[Pkey] ~ otherKeys] - => sql_table (keyCols ++ otherCols) ([Pkey = map (fn _ => ()) keyCols] ++ otherKeys) - -> $keyCols -> folder keyCols -> $(map sql_injectable keyCols) + => folder keyCols -> $(map sql_injectable keyCols) + -> sql_table (keyCols ++ otherCols) ([Pkey = map (fn _ => ()) keyCols] ++ otherKeys) + -> $keyCols -> transaction {} (* Delete a row from a table by matching its primary key against a given record. *)