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Create and exposequeryNamedWith #70

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Create and exposequeryNamedWith #70

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13 changes: 13 additions & 0 deletions Database/SQLite/Simple.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,7 @@ module Database.SQLite.Simple (
, queryWith
, queryWith_
, queryNamed
, queryNamedWith
, lastInsertRowId
, changes
, totalChanges
Expand Down Expand Up @@ -377,6 +378,18 @@ queryNamed :: (FromRow r) => Connection -> Query -> [NamedParam] -> IO [r]
queryNamed conn templ params =
withStatementNamedParams conn templ params $ \stmt -> doFoldToList fromRow stmt

-- | A version of 'query' where the query parameters (placeholders)
-- are named and take an explicit RowParser
--
-- Example:
--
-- @
-- r \<- 'queryNamed' fromRow c \"SELECT * FROM posts WHERE id=:id AND date>=:date\" [\":id\" ':=' postId, \":date\" ':=' afterDate]
-- @
queryNamedWith :: RowParser r -> Connection -> Query -> [NamedParam] -> IO [r]
queryNamedWith fromRow_ conn templ params =
withStatementNamedParams conn templ params $ \stmt -> doFoldToList fromRow_ stmt

-- | A version of 'execute' that does not perform query substitution.
execute_ :: Connection -> Query -> IO ()
execute_ conn template =
Expand Down