khibino/haskell-relational-record
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better wordings.

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Kazu Yamamoto 2015-04-24 11:54:56 +09:00
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@ -8,7 +8,7 @@ title: Project top page
Haskell Relational Record (HRR) is a query generator based on typed relational algebra and a mapper between SQL value lists and Haskell record types. Haskell Relational Record (HRR) is a query generator based on typed relational algebra and a mapper between SQL value lists and Haskell record types.
- Abstracted - relations are expressed as high level expressions and they are translated into SQL statements. Drivers are provided for DB2, ProsgreSQL, SQLite, MySQL, MicroSoft SQL Server and OracleSQL. - Abstracted - relations are expressed as high level expressions and they are translated into SQL statements. Drivers are provided for DB2, ProsgreSQL, SQLite, MySQL, MicroSoft SQL Server and OracleSQL.
- Type safe - SQL statements produced by HRR are guaranteed to be valid if the Haskell code compiles. Even placeholders are typed. - Type safe - SQL statements produced by HRR are guaranteed to be valid if the Haskell code compiles. Even the type of placeholders are propagated.
- Composable - relations can be composed to build bigger relations. - Composable - relations can be composed to build bigger relations.
- Automatic - SQL schema is obtained from a target DB and Haskell types are automatically generated at compile time. - Automatic - SQL schema is obtained from a target DB and Haskell types are automatically generated at compile time.