some quick-hack prototypes for sql

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@2244 57a11ea4-9604-0410-9ed3-97b8803252fd

src/engine/sql/README

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+
+This directory contains very broken, very experimental code
+for sql support.  It doesn't work.  The instructions bwlow are for
+developers who want to hack this code.
+
+1) Install postgresl server, client and devel packages.
+2) if installed from redhat, then running /etc/rc.d/init.d/postgresql 
+   will setup and initialize all first-time setup & config.
+3) as root, su - postgres then run 'createuser' to add your user id
+
+4) run the script gnc-init.sh
+
+
+
+Development Notes
+-----------------
+Just about everything done in this demo is wrong.
+-- primary keeys need to be built
+-- 
+

src/engine/sql/gnc-init.sh

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+#! /bin/sh 
+
+# create teh initial database
+createdb "gnc_bogus"
+psql gnc_bogus < gnc-init.sql

src/engine/sql/gnc-init.sql

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+
+-- these tables roughly mirror the c structs in TransactionP.h and
+-- AccountP.h
+
+CREATE TABLE gncAccount (
+	accountGuid	CHAR(16) PRIMARY KEY,
+	accountName 	VARCHAR(40) DEFAULT 'xoxo',
+	accountCode 	VARCHAR(8),
+	description 	VARCHAR(120),
+	notes	 	VARCHAR(120),
+	type		INT2,
+	currency	VARCHAR(8),
+	security	VARCHAR(8)
+);
+
+
+-- a gncEntry is what we call 'Split' elsewhere in the engine
+
+CREATE TABLE gncEntry (
+	entryGuid		CHAR(16) PRIMARY KEY,
+	accountGuid		CHAR(16),
+	transGuid		CHAR(16),
+	memo			VARCHAR(20),
+	action			VARCHAR(20),
+	date_reconciled 	DATETIME,
+	amount			FLOAT8 DEFAULT '0.0',
+	share_price		FLOAT8 DEFAULT '0.0'
+);
+
+CREATE TABLE gncTransaction (
+	transGuid		CHAR(16) PRIMARY KEY,
+	date_entered	 	DATETIME,
+	date_posted	 	DATETIME,
+	num			VARCHAR(8),
+	description		VARCHAR(32)
+);
+
+