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--- a/MyApp_1/.idea/vcs.xml
+++ /dev/null
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diff --git a/db_related/serber_sql.sql b/db_related/serber_sql.sql
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+-- Table for Users
+-- U_ID => User ID, Primary Key
+-- first_name => User's First Name
+-- last_name => User's Last Name
+-- U_email => User's Registered Email
+-- U_password => User's Password
+CREATE TABLE users(U_ID SERIAL PRIMARY KEY,
+ first_name varchar(255) NOT NULL,
+ last_name varchar(255) NOT NULL,
+ U_email varchar(255) NOT NULL UNIQUE,
+ U_password varchar(255) NOT NULL
+ );
+
+-- Table for Stations
+-- S_ID => Station ID in fashion of: 3xx denotes taking both lines 1 and 2,
+-- 2xx denotes taking Line 2 Only,
+-- 1xx denotes taking Line 1 Only.
+-- name_ar => Station's name in Arabic
+-- name_en => Station's name in English
+-- tram_lines (DEPRICATE FROM ERD) => Would've denoted which lines are allowed
+-- geo_loc => Geographical Location (Latitude, Longitude)
+
+-- Comment regarding the "GEOGRAPHY" data type
+-- https://stackoverflow.com/questions/30322924/how-to-store-longitude-latitude-as-a-geography-in-sql-server-2014
+-- Double check for later purposes
+CREATE TABLE stations(S_ID SERIAL PRIMARY KEY,
+ name_ar varchar(255) NOT NULL,
+ name_en varchar(255) NOT NULL,
+ -- Debating whether or not to denote
+ -- Tram lines as 1, 2, or 3
+ -- instead of multiple values
+ location GEOGRAPHY
+ );
+
+-- Forgot Relation between User and Station
+-- "Preferred Stations", need to rework ERD
+-- Anyhow, Insert a new table as relation
+-- M:N (i.e. Separate Table)
+-- Where U_ID + S_ID (User ID, Station ID)
+-- are compound keys
+
+CREATE TABLE prefers(pref_UID SERIAL,
+ pref_SID SERIAL,
+ CONSTRAINT fk1 FOREIGN KEY (pref_UID) REFERENCES users(U_ID),
+ CONSTRAINT fk2 FOREIGN KEY (pref_SID) REFERENCES stations(S_ID),
+ CONSTRAINT pk1 PRIMARY KEY (pref_UID, pref_SID)
+ );
+
+-- Ought to create table for "Arrival"
+-- Except I dond see how it'd be implemented properly
+-- but do take a look at whatever the mcfuck i write below
+
+-- Documenting the Table
+-- time_of_day => Time object, nanosecond accuracy, y'all handle it idk
+-- week_day => varchar as {Mon, Tue, Wed}, Could probs just encode with 0 -> 6
+-- tram_line => int ranging 1 -> 4
+-- fill_status => Boolean, 1 full, 0 not as full
+CREATE TABLE arrival(time_of_day TIME,
+ week_day INTEGER,
+ tram_line INTEGER,
+ fill_status BOOLEAN
+ CONSTRAINT ck PRIMARY KEY (week_day,tram_line)
+ CONSTRAINT in_week CHECK (week_day >= 0 AND week_day <= 6)
+ CONSTRAINT valid_line CHECK (tram_line >= 1 AND tram_line <= 4)
+ );
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