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new files for handling books
git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@6449 57a11ea4-9604-0410-9ed3-97b8803252fd
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Linas Vepstas
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158
src/backend/postgres/book.c
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158
src/backend/postgres/book.c
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/********************************************************************\
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* book.c -- implements book handling for postgres backend *
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* Copyright (c) 2000, 2001 Linas Vepstas *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 2 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License*
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* along with this program; if not, contact: *
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* *
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* Free Software Foundation Voice: +1-617-542-5942 *
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* 59 Temple Place - Suite 330 Fax: +1-617-542-2652 *
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* Boston, MA 02111-1307, USA gnu@gnu.org *
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\********************************************************************/
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#define _GNU_SOURCE
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#include "config.h"
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#include <glib.h>
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#include <string.h>
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#include <libpq-fe.h>
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#include "Backend.h"
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#include "BackendP.h"
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#include "book.h"
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#include "gnc-book-p.h"
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#include "gnc-engine-util.h"
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#include "guid.h"
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#include "kvp-sql.h"
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#include "PostgresBackend.h"
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#include "gnc-engine.h"
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#include "base-autogen.h"
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#include "putil.h"
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static short module = MOD_BACKEND;
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/* ============================================================= */
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/* ============================================================= */
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/* BOOK STUFF */
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/* (UTILITIES FIRST, THEN SETTERS, THEN GETTERS) */
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/* ============================================================= */
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/* ============================================================= */
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/* ============================================================= */
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/* The pgendStoreBook() routine stores everything in the book
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* to the database. That is, the engine data is written out to the
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* database.
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*
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* If do_mark is set to TRUE, then this routine sets a mark
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* to terminate recursion. That is, it will only store the
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* account once; a second call on a marked account will simply
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* return. Be sure to clear the mark when done!
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*
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* If the do_check_version flag is set, then this routine
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* will compare the engine and sql db version numbrs, and
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* perform the store only if the engine version is equal
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* or newer than the sql version.
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*
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*/
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static void
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pgendStoreBookNoLock (PGBackend *be, GNCBook *book,
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gboolean do_mark,
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gboolean do_check_version)
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{
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if (!be || !book) return;
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ENTER ("acct=%p, mark=%d", book, do_mark);
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if (do_check_version)
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{
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if (0 < pgendBookCompareVersion (be, book)) return;
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}
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book->version ++; /* be sure to update the version !! */
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book->version_check = be->version_check;
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if ((0 == book->idata) &&
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(FALSE == kvp_frame_is_empty (gnc_book_get_slots(book))))
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{
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book->idata = pgendNewGUIDidx(be);
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}
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pgendPutOneBookOnly (be, book);
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if (book->idata)
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{
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pgendKVPDelete (be, book->idata);
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pgendKVPStore (be, book->idata, book->kvp_data);
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}
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LEAVE(" ");
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}
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/* ============================================================= */
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/* BOOK GETTERS (SETTERS ARE ABOVE) */
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/* ============================================================= */
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/* ============================================================= */
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/* The pgendGetBook() routine restores the all book data,
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* including the account heirarchy, the price db, commodities, etc.
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*/
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static gpointer
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get_book_cb (PGBackend *be, PGresult *result, int j, gpointer data)
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{
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GNCBook *book = (GNCBook *) data;
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GUID guid;
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/* first, lets see if we've already got this one */
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PINFO ("book GUID=%s", DB_GET_VAL("bookGuid",j));
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guid = nullguid; /* just in case the read fails ... */
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string_to_guid (DB_GET_VAL("bookGuid",j), &guid);
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gnc_book_set_guid (book, guid);
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book->book_open = (DB_GET_VAL("book_open",j))[0];
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book->version = atoi(DB_GET_VAL("version",j));
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book->idata = atoi(DB_GET_VAL("iguid",j));
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return book;
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}
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void
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pgendGetBook (PGBackend *be, GNCBook *book)
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{
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char * bufp;
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ENTER ("be=%p", be);
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if (!be) return;
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/* For right now, get only the currently open book
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* In theory, we should pass a guid into this routine,
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* and fetch books based on that.
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*/
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bufp = "SELECT * FROM gncBook WHERE book_open='y';";
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SEND_QUERY (be, bufp, );
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pgendGetResults (be, get_book_cb, book);
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if (0 != book->idata)
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{
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book->kvp_data = pgendKVPFetch (be, book->idata, book->kvp_data);
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}
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LEAVE (" ");
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}
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/* ======================== END OF FILE ======================== */
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35
src/backend/postgres/book.h
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35
src/backend/postgres/book.h
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@ -0,0 +1,35 @@
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/********************************************************************\
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* book.h -- implements books for the postgres backend *
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* Copyright (c) 2000, 2001 Linas Vepstas *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 2 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License*
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* along with this program; if not, contact: *
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* *
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* Free Software Foundation Voice: +1-617-542-5942 *
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* 59 Temple Place - Suite 330 Fax: +1-617-542-2652 *
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* Boston, MA 02111-1307, USA gnu@gnu.org *
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\********************************************************************/
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#ifndef POSTGRES_BOOK_H
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#define POSTGRES_BOOK_H
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#include "gnc-book.h"
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#include "guid.h"
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#include "PostgresBackend.h"
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void pgendGetBook (PGBackend *be, GNCBook *book);
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// void pgendStoreBook (PGBackend *be, GNCBook *book);
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#endif /* POSTGRES_BOOK_H */
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