From cdcbd6e8707ec3907e2e443890a795d2db5f97e4 Mon Sep 17 00:00:00 2001
From: linuxpoet <linuxpoet@4979c152-3d1c-0410-bac9-87ea11338e46>
Date: Tue, 29 May 2007 21:18:21 +0000
Subject: added entity relationship between persons and companies. This is for
 Joshua Drake is related to Chris Travers who is Related to Metatrontech

git-svn-id: https://ledger-smb.svn.sourceforge.net/svnroot/ledger-smb/trunk@1242 4979c152-3d1c-0410-bac9-87ea11338e46
---
 sql/Pg-database.sql | 33 +++++++++++++++++++++++++++++----
 1 file changed, 29 insertions(+), 4 deletions(-)

diff --git a/sql/Pg-database.sql b/sql/Pg-database.sql
index 017d87d8..6239e778 100644
--- a/sql/Pg-database.sql
+++ b/sql/Pg-database.sql
@@ -63,20 +63,20 @@ CREATE TABLE location (
   line_two text,
   line_three text,
   city_province text check (city_province ~ '[[:alnum:]_]') NOT NULL,
-  country_id integer not null REFERENCES country(id)
+  country_id integer not null REFERENCES country(id),
   mail_code text not null check (mail_code ~ '[[:alnum:]_]'));
 
 CREATE TABLE company (
   id serial UNIQUE,
+  entity_id integer not null references entity(id),
   legal_name text check (legal_name ~ '[[:alnum:]_]'),
   entity_class_id integer not null references entity_class(id),
   primary_location_id integer references location(id),
   tax_id text,
   PRIMARY KEY (legal_name,primary_location_id));
-
-
+  
 COMMENT ON COLUMN company.primary_location_id IS $$ This is the location that should show up by default for any forms $$;
-COMMENT ON COLUMN company.tax_id IS $$ In the US this would be a EIN. $$;
+COMMENT ON COLUMN company.tax_id IS $$ In the US this would be a EIN. $$;  
 
 CREATE TABLE salutation (
  id serial unique,
@@ -93,6 +93,31 @@ CREATE TABLE person (
  
 COMMENT ON TABLE person IS $$ Every person, must have an entity to derive a common or display name. The correct way to get class information on a person would be person.entity_id->entity_class_to_entity.entity_id. $$;
 
+CREATE TABLE entity_other_name (
+ entity_id integer not null references entity(id),
+ other_name text check (other_name ~ '[[:alnum:]_]'),
+ PRIMARY KEY (other_name, entity_id));
+ 
+COMMENT ON TABLE entity_other_name IS $$ Similar to company_other_name, a person may be jd, Joshua Drake, linuxpoet... all are the same person. $$;
+
+CREATE TABLE person_to_entity (
+ person_id integer not null references person(id),
+ entity_id integer not null references entity(id) check (entity_id != person_id),
+ related_how text,
+ created date not null default current_date,
+ PRIMARY KEY (person_id,entity_id));
+ 
+CREATE TABLE company_to_entity (
+ company_id integer not null references company(id),
+ entity_id integer not null references entity(id) check (entity_id != company_id),
+ related_how text,
+ created date not null default current_date,
+ PRIMARY KEY (company_id,entity_id));
+ 
+
+
+ 
+
 -- END entity   
 
 --
-- 
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