fix: docker snapshot restoration

 * Upgrade postgres libraries @ 14
 * Avoid dropping database in restore script

flake.nix

@@ -236,7 +236,7 @@
                 # Database tests
                 let
                   postgresTest = {
-                    build-tools = [ pkgs.pkgsBuildHost.postgresql_12 ];
+                    build-tools = [ pkgs.pkgsBuildHost.postgresql_14 ];
                     inherit preCheck;
                     inherit postCheck;
                   };

nix/docker.nix

@@ -10,7 +10,7 @@
 , bashInteractive, cacert, cardano-cli, cardano-db-sync, cardano-db-tool
 , cardano-smash-server, coreutils, curl, findutils, getconf, glibcLocales
 , gnused, gnutar, gzip, jq, iana-etc, iproute, iputils, lib, libidn, libpqxx
-, postgresql, socat, utillinux
+, postgresql_14, socat, utillinux
 }:
 
 let
@@ -46,7 +46,7 @@ let
         iputils # Useful utilities for Linux networking
         libidn # Library for internationalized domain names
         libpqxx # A C++ library to access PostgreSQL databases
-        postgresql # A powerful, open source object-relational database system
+        postgresql_14 # A powerful, open source object-relational database system
         socat # Utility for bidirectional data transfer
         utillinux # System utilities for Linux
         cardano-cli # tool for interacting with cardano-node

nix/nixos/tests/services-basic-test.nix

@@ -47,7 +47,7 @@ with pkgs;
       systemd.services.cardano-db-sync.serviceConfig.SupplementaryGroups = "cardano-node";
       services.postgresql = {
         enable = true;
-        package = postgresql_12;
+        package = postgresql_14;
         enableTCPIP = false;
         ensureDatabases = [ "${config.services.cardano-db-sync.postgres.database}" ];
         initialScript = builtins.toFile "enable-pgcrypto.sql" ''

scripts/postgresql-setup.sh

@@ -193,7 +193,6 @@ function restore_snapshot {
 	  lstate_gz_file=$(find "${tmp_dir}/" -iname "*.lstate.gz")
 	  lstate_file=$(basename "${lstate_gz_file}" | sed 's/.gz$//')
 	  gunzip --to-stdout "${lstate_gz_file}" > "$2/${lstate_file}"
-	  drop_db
 
           # Important: specify --schema=public below to skip over `create schema public`
           # statement generated by pg_dump
@@ -202,7 +201,7 @@ function restore_snapshot {
 	    --jobs="${numcores}" \
 	    --format=directory \
 	    --dbname="${PGDATABASE}" \
-		--no-owner \
+            --no-owner \
 	    --exit-on-error \
 	    "${tmp_dir}/db/"
 	else