Revert "Add MySQL and alembic"

This reverts commit b5d4ed519d.

mysql_creation.sql

@@ -1,11 +0,0 @@
-CREATE DATABASE odyfo CHARACTER SET utf8mb4;
-
-CREATE DATABASE test_odyfo CHARACTER SET utf8mb4;
-
-USE odyfo;
-
-source databases/production_db.sql;
-
-USE test_odyfo;
-
-source databases/test_db.sql;

psql_creation.sql

@@ -1,3 +1,5 @@
-CREATE DATABASE odyfo;
+CREATE ROLE odyfo WITH LOGIN PASSWORD 'rajjout';
 
-CREATE DATABASE test_odyfo;
+CREATE DATABASE odyfo WITH OWNER odyfo;
+
+CREATE DATABASE test_odyfo WITH OWNER odyfo;

shell.nix

@@ -3,59 +3,30 @@
 with pkgs;
 
 let
-  psql_file = "psql_creation.sql";
+  sql_file = "psql_creation.sql";
-  psql_dir = "$(pwd)/.pgdata";
+  data_dir = "$(pwd)/.pgdata";
-  mysql_file = "mysql_creation.sql";
+  origin = "databases/odyfo.db";
-  mysql_dir = "$(pwd)/.mysql";
-  socket = "${mysql_dir}/mysql.sock";
-  prod_origin = "mysql://root@unix:${socket}:/odyfo";
-  prod_destination = "postgresql://localhost/odyfo";
-  test_origin = "mysql://root@unix:${socket}:/test_odyfo";
-  test_destination = "postgresql://localhost/test_odyfo";
 
 in mkShell {
-  buildInputs = [
+  buildInputs = [ postgresql sqlite ];
-    postgresql
-    mysql57
-    pgloader
-    python38Packages.alembic
-    python38Packages.pymysql
-  ];
 
   shellHook = ''
     trap "kill 0" EXIT
-    export PGDATA="${psql_dir}"
+    export PGDATA="${data_dir}"
-    export PGHOST="${psql_dir}"
+    export PGHOST="${data_dir}"
 
-    # Initialize PostgreSQL
+    if [ ! -d ${data_dir} ]; then
-    if [ ! -d ${psql_dir} ]; then
       initdb --auth-local=trust --no-locale --encoding=UTF8
     fi
 
     if ! pg_ctl status; then
-      pg_ctl start -o "--unix_socket_directories=${psql_dir} --listen_addresses='''"
+      pg_ctl start -o "--unix_socket_directories=${data_dir} --listen_addresses='''"
     fi
 
-    psql -d postgres -f ${psql_file}
+    psql -d postgres -f ${sql_file}
-
-    # Initialize MySQL
-    if [ ! -d ${mysql_dir} ]; then
-      mysqld --datadir="${mysql_dir}" --socket="${socket}" --initialize-insecure
-    fi
-
-    mysqld --datadir="${mysql_dir}" --socket="${socket}" --skip-networking &
-    sleep 5
-
-    mysql --socket="${socket}" -u root < ${mysql_file}
 
     alias psql='psql -d postgres'
-    alias mysql='mysql --socket="${socket}" -u root'
+    alias nuke='rm -rf ${data_dir}'
-    alias nuke='rm -rf ${psql_dir} ${mysql_dir}'
 
-    alembic upgrade head
-    pgloader ${prod_origin} ${prod_destination}
-    pgloader ${test_origin} ${test_destination}
-    pg_dump odyfo > databases/psql_prod_db.sql
-    pg_dump test_odyfo > databases/psql_test_db.sql
   '';
 }