| catchViolation | Database.PostgreSQL.Simple.Errors | 
| Char | Database.PostgreSQL.Simple.BuiltinTypes | 
| char | Database.PostgreSQL.Simple.TypeInfo.Static | 
| CheckViolation | Database.PostgreSQL.Simple.Errors | 
| Cid | Database.PostgreSQL.Simple.BuiltinTypes | 
| cid | Database.PostgreSQL.Simple.TypeInfo.Static | 
| Cidr | Database.PostgreSQL.Simple.BuiltinTypes | 
| cidr | Database.PostgreSQL.Simple.TypeInfo.Static | 
| Circle | Database.PostgreSQL.Simple.BuiltinTypes | 
| circle | Database.PostgreSQL.Simple.TypeInfo.Static | 
| close | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| column | Database.PostgreSQL.Simple.Internal | 
| CommandOk | Database.PostgreSQL.Simple | 
| commit | Database.PostgreSQL.Simple.Transaction, Database.PostgreSQL.Simple | 
| Composite | Database.PostgreSQL.Simple.TypeInfo.Static, Database.PostgreSQL.Simple.TypeInfo, Database.PostgreSQL.Simple.FromField | 
| connect | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| connectDatabase | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| connectdb | Database.PostgreSQL.Simple.Internal | 
| connectHost | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| ConnectInfo |  | 
| 1 (Type/Class) | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| 2 (Data Constructor) | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| Connection |  | 
| 1 (Type/Class) | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| 2 (Data Constructor) | Database.PostgreSQL.Simple.Internal | 
| connectionHandle | Database.PostgreSQL.Simple.Internal | 
| connectionObjects | Database.PostgreSQL.Simple.Internal | 
| connectionTempNameCounter | Database.PostgreSQL.Simple.Internal | 
| connectPassword | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| connectPort | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| connectPostgreSQL | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| connectUser | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple | 
| ConstraintViolation | Database.PostgreSQL.Simple.Errors | 
| constraintViolation | Database.PostgreSQL.Simple.Errors | 
| constraintViolationE | Database.PostgreSQL.Simple.Errors | 
| Conversion |  | 
| 1 (Type/Class) | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple.FromField | 
| 2 (Data Constructor) | Database.PostgreSQL.Simple.Internal | 
| conversionError | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple.FromField | 
| ConversionFailed | Database.PostgreSQL.Simple.FromField | 
| conversionMap | Database.PostgreSQL.Simple.Internal, Database.PostgreSQL.Simple.FromField | 
| copy | Database.PostgreSQL.Simple.Copy | 
| CopyIn | Database.PostgreSQL.Simple | 
| CopyOut | Database.PostgreSQL.Simple | 
| CopyOutDone | Database.PostgreSQL.Simple.Copy | 
| CopyOutResult | Database.PostgreSQL.Simple.Copy | 
| CopyOutRow | Database.PostgreSQL.Simple.Copy | 
| copy_ | Database.PostgreSQL.Simple.Copy |