commit 54bd1e24249790e864375721426869e8d363da11
Author: test@test.com <test@test.com>
Date:   Tue Sep 24 09:07:34 2024 +0300

    init

diff --git a/dump.sql b/dump.sql
new file mode 100644
index 0000000..f84c1c8
--- /dev/null
+++ b/dump.sql
@@ -0,0 +1,141 @@
+--
+-- PostgreSQL database dump
+--
+
+-- Dumped from database version 16.4 (Debian 16.4-1.pgdg120+1)
+-- Dumped by pg_dump version 16.4 (Debian 16.4-1.pgdg120+1)
+
+SET statement_timeout = 0;
+SET lock_timeout = 0;
+SET idle_in_transaction_session_timeout = 0;
+SET client_encoding = 'UTF8';
+SET standard_conforming_strings = on;
+SELECT pg_catalog.set_config('search_path', '', false);
+SET check_function_bodies = false;
+SET xmloption = content;
+SET client_min_messages = warning;
+SET row_security = off;
+
+ALTER TABLE ONLY public.student DROP CONSTRAINT student_group_id_fkey;
+ALTER TABLE ONLY public.presence DROP CONSTRAINT presence_student_id_fkey;
+ALTER TABLE ONLY public.student DROP CONSTRAINT student_pkey;
+ALTER TABLE ONLY public.presence DROP CONSTRAINT presence_pkey;
+ALTER TABLE ONLY public."group" DROP CONSTRAINT group_pkey;
+DROP TABLE public.student;
+DROP TABLE public.presence;
+DROP TABLE public."group";
+SET default_tablespace = '';
+
+SET default_table_access_method = heap;
+
+--
+-- Name: group; Type: TABLE; Schema: public; Owner: postgres
+--
+
+CREATE TABLE public."group" (
+    group_id integer NOT NULL,
+    group_name text NOT NULL
+);
+
+
+ALTER TABLE public."group" OWNER TO postgres;
+
+--
+-- Name: group_group_id_seq; Type: SEQUENCE; Schema: public; Owner: postgres
+--
+
+ALTER TABLE public."group" ALTER COLUMN group_id ADD GENERATED ALWAYS AS IDENTITY (
+    SEQUENCE NAME public.group_group_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1
+);
+
+
+--
+-- Name: presence; Type: TABLE; Schema: public; Owner: postgres
+--
+
+CREATE TABLE public.presence (
+    student_id integer NOT NULL,
+    presence_date date NOT NULL,
+    presence_is_attendance boolean DEFAULT true NOT NULL,
+    presence_lesson_number smallint NOT NULL
+);
+
+
+ALTER TABLE public.presence OWNER TO postgres;
+
+--
+-- Name: student; Type: TABLE; Schema: public; Owner: postgres
+--
+
+CREATE TABLE public.student (
+    student_id integer NOT NULL,
+    student_name text NOT NULL,
+    group_id integer
+);
+
+
+ALTER TABLE public.student OWNER TO postgres;
+
+--
+-- Name: student_student_id_seq; Type: SEQUENCE; Schema: public; Owner: postgres
+--
+
+ALTER TABLE public.student ALTER COLUMN student_id ADD GENERATED ALWAYS AS IDENTITY (
+    SEQUENCE NAME public.student_student_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1
+);
+
+
+--
+-- Name: group group_pkey; Type: CONSTRAINT; Schema: public; Owner: postgres
+--
+
+ALTER TABLE ONLY public."group"
+    ADD CONSTRAINT group_pkey PRIMARY KEY (group_id);
+
+
+--
+-- Name: presence presence_pkey; Type: CONSTRAINT; Schema: public; Owner: postgres
+--
+
+ALTER TABLE ONLY public.presence
+    ADD CONSTRAINT presence_pkey PRIMARY KEY (student_id, presence_date, presence_is_attendance, presence_lesson_number);
+
+
+--
+-- Name: student student_pkey; Type: CONSTRAINT; Schema: public; Owner: postgres
+--
+
+ALTER TABLE ONLY public.student
+    ADD CONSTRAINT student_pkey PRIMARY KEY (student_id);
+
+
+--
+-- Name: presence presence_student_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: postgres
+--
+
+ALTER TABLE ONLY public.presence
+    ADD CONSTRAINT presence_student_id_fkey FOREIGN KEY (student_id) REFERENCES public.student(student_id);
+
+
+--
+-- Name: student student_group_id_fkey; Type: FK CONSTRAINT; Schema: public; Owner: postgres
+--
+
+ALTER TABLE ONLY public.student
+    ADD CONSTRAINT student_group_id_fkey FOREIGN KEY (group_id) REFERENCES public."group"(group_id);
+
+
+--
+-- PostgreSQL database dump complete
+--
+