PostgreSQL - Functions (#578)

* PostgreSQL initial commit of translation from SQL Server to PostgreSQL

* snake_case added.
set search path for schema.  schema qualified name no longer needed for creation and access of functions.

* Table DDL for PostgreSQL

* Rename User.sql to user.sql

* PostgreSQL views, 
snake_case column fix for user_create, 
rename of users.sql file to lowercase

* user_update function

* remove tabs

* cast types, and table DDL changed to match

* case

* resolve casting issues. casting is done inside function

* update views

* more functions

* more functions

* removed casting

* spelling mistake

* spelling

* changes to functions, added replace

src/Sql/PostgreSQL/Tables/user.sql

@@ -4,7 +4,7 @@ CREATE TABLE "user" (
     id                                 UUID          NOT NULL,
     name                               VARCHAR (50)  NULL,
     email                              VARCHAR (50)  NOT NULL,
-    email_verified                     BIT           NOT NULL,
+    email_verified                     BOOLEAN       NOT NULL,
     master_password                    VARCHAR (300) NOT NULL,
     master_password_hint               VARCHAR (50)  NULL,
     culture                            VARCHAR (10)  NOT NULL,
@@ -17,7 +17,7 @@ CREATE TABLE "user" (
     key                                TEXT          NULL,
     public_key                         TEXT          NULL,
     private_key                        TEXT          NULL,
-    premium                            BIT           NOT NULL,
+    premium                            BOOLEAN       NOT NULL,
     premium_expiration_date            TIMESTAMPTZ   NULL,
     renewal_reminder_date              TIMESTAMPTZ   NULL,
     storage                            BIGINT        NULL,