| | 1 | (* |
| | 2 | * SQL database interfaces for Standard ML |
| | 3 | * Copyright (C) 2003 Adam Chlipala |
| | 4 | * |
| | 5 | * This library is free software; you can redistribute it and/or |
| | 6 | * modify it under the terms of the GNU Lesser General Public |
| | 7 | * License as published by the Free Software Foundation; either |
| | 8 | * version 2.1 of the License, or (at your option) any later version. |
| | 9 | * |
| | 10 | * This library is distributed in the hope that it will be useful, |
| | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| | 13 | * Lesser General Public License for more details. |
| | 14 | * |
| | 15 | * You should have received a copy of the GNU Lesser General Public |
| | 16 | * License along with this library; if not, write to the Free Software |
| | 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| | 18 | *) |
| | 19 | |
| | 20 | (* Signature for a full-fledged client interface *) |
| | 21 | |
| | 22 | signature SQL_CLIENT = |
| | 23 | sig |
| | 24 | include SQL_DRIVER |
| | 25 | |
| | 26 | val query : conn -> string -> string list list |
| | 27 | (* Get thr row results of an SQL query over a connection *) |
| | 28 | |
| | 29 | val oneRow : conn -> string -> string list |
| | 30 | (* Make a query that must return exactly one row *) |
| | 31 | val oneOrNoRows : conn -> string -> string list option |
| | 32 | (* Make a query that may return zero or one row *) |
| | 33 | |
| | 34 | val app : conn -> (string list -> unit) -> string -> unit |
| | 35 | (* Behaves like List.app over the results of a query *) |
| | 36 | val map : conn -> (string list -> 'a) -> string -> 'a list |
| | 37 | (* Behaves like List.map over the results of a query *) |
| | 38 | end |
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