remove: drop support for PostgreSQL 13

PostgreSQL 13 has been EOL since November 2025 and will not be available
in the next Nixpkgs bump anymore.

.github/workflows/test.yaml

@@ -69,7 +69,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        pgVersion: [13, 14, 15, 16, 17]
+        pgVersion: [14, 15, 16, 17]
     name: PG ${{ matrix.pgVersion }}
     runs-on: ubuntu-24.04
     defaults:

CHANGELOG.md

@@ -17,6 +17,7 @@ All notable changes to this project will be documented in this file. From versio
 
 ### Changed
 
+- Drop support for PostgreSQL EOL version 13 by @wolfgangwalther in #4193
 - All responses now include a `Vary` header by @develop7 in #4609
 - Log error when `db-schemas` config contains schema `pg_catalog` or `information_schema` by @taimoorzaeem in #4359
   + Now fails at startup. Prior to this, it failed with `PGRST205` on requests related to these schemas.

default.nix

@@ -56,7 +56,6 @@ let
       { name = "pg-16"; postgresql = pkgs.postgresql_16.withPackages (p: [ p.postgis p.pg_safeupdate ]); }
       { name = "pg-15"; postgresql = pkgs.postgresql_15.withPackages (p: [ p.postgis p.pg_safeupdate ]); }
       { name = "pg-14"; postgresql = pkgs.postgresql_14.withPackages (p: [ p.postgis p.pg_safeupdate ]); }
-      { name = "pg-13"; postgresql = pkgs.postgresql_13.withPackages (p: [ p.postgis p.pg_safeupdate ]); }
     ];
 
   haskellPackages = pkgs.haskell.packages."${compiler}";

docs/explanations/install.rst

@@ -16,7 +16,7 @@ Supported PostgreSQL versions
 =============================
 
 =============== =================================
-**Supported**   PostgreSQL >= 13
+**Supported**   PostgreSQL >= 14
 =============== =================================
 
 PostgREST works with all PostgreSQL versions still `officially supported <https://www.postgresql.org/support/versioning/>`_.

nix/README.md

@@ -91,13 +91,13 @@ postgrest-gen-ctags               postgrest-watch
 postgrest-gen-jwt                 postgrest-with-all
 postgrest-gen-secret              postgrest-with-git
 postgrest-git-hooks               postgrest-with-pgrst
-postgrest-hsie-graph-modules      postgrest-with-pg-13
-postgrest-hsie-graph-symbols      postgrest-with-pg-14
-postgrest-hsie-minimal-imports    postgrest-with-pg-15
-postgrest-lint                    postgrest-with-pg-16
-postgrest-loadtest                postgrest-with-pg-17
-postgrest-loadtest-against        postgrest-with-slow-pg
-postgrest-loadtest-report         postgrest-with-slow-postgrest
+postgrest-hsie-graph-modules      postgrest-with-pg-14
+postgrest-hsie-graph-symbols      postgrest-with-pg-15
+postgrest-hsie-minimal-imports    postgrest-with-pg-16
+postgrest-lint                    postgrest-with-pg-17
+postgrest-loadtest                postgrest-with-slow-pg
+postgrest-loadtest-against        postgrest-with-slow-postgrest
+postgrest-loadtest-report
 postgrest-nixpkgs-upgrade
 ...
 
@@ -174,7 +174,7 @@ $ nix-shell --run "postgrest-with-all postgrest-test-spec"
 
 # Run the tests against a specific version of PostgreSQL (use tab-completion in
 # nix-shell to see all available versions):
-$ nix-shell --run "postgrest-with-pg-13 postgrest-test-spec"
+$ nix-shell --run "postgrest-with-pg-17 postgrest-test-spec"
 
 ```
 

src/PostgREST/Config/PgVersion.hs

@@ -3,7 +3,6 @@
 module PostgREST.Config.PgVersion
   ( PgVersion(..)
   , minimumPgVersion
-  , pgVersion140
   , pgVersion150
   , pgVersion170
   ) where
@@ -25,10 +24,7 @@ instance Ord PgVersion where
 
 -- | Tells the minimum PostgreSQL version required by this version of PostgREST
 minimumPgVersion :: PgVersion
-minimumPgVersion = pgVersion130
-
-pgVersion130 :: PgVersion
-pgVersion130 = PgVersion 130000 "13.0" "13.0"
+minimumPgVersion = pgVersion140
 
 pgVersion140 :: PgVersion
 pgVersion140 = PgVersion 140000 "14.0" "14.0"

test/spec/Feature/Query/InsertSpec.hs

@@ -11,13 +11,11 @@ import Test.Hspec.Wai
 import Test.Hspec.Wai.JSON
 import Text.Heredoc
 
-import PostgREST.Config.PgVersion (PgVersion, pgVersion140)
-
 import Protolude  hiding (get)
 import SpecHelper
 
-spec :: PgVersion -> SpecWith ((), Application)
-spec actualPgVersion = do
+spec :: SpecWith ((), Application)
+spec = do
   describe "Posting new record" $ do
     context "disparate json types" $ do
       it "accepts disparate json types" $ do
@@ -554,19 +552,12 @@ spec actualPgVersion = do
                 {"a": "val", "b": "val"}
               ]|]
             `shouldRespondWith`
-              (if actualPgVersion < pgVersion140
-                then [json| {
-                  "code": "42601",
-                  "details": "Column \"b\" is a generated column.",
-                  "hint": null,
-                  "message": "cannot insert into column \"b\""
-                }|]
-                else [json| {
+              [json| {
                 "code": "428C9",
                 "details": "Column \"b\" is a generated column.",
                 "hint": null,
                 "message": "cannot insert a non-DEFAULT value into column \"b\""
-                }|])
+              }|]
               { matchStatus  = 400 }
 
         it "inserts a default on a DOMAIN with default" $

test/spec/Main.hs

@@ -150,7 +150,7 @@ main = do
         , ("Feature.Query.DeleteSpec"                    , Feature.Query.DeleteSpec.spec)
         , ("Feature.Query.EmbedDisambiguationSpec"       , Feature.Query.EmbedDisambiguationSpec.spec)
         , ("Feature.Query.EmbedInnerJoinSpec"            , Feature.Query.EmbedInnerJoinSpec.spec)
-        , ("Feature.Query.InsertSpec"                    , Feature.Query.InsertSpec.spec actualPgVersion)
+        , ("Feature.Query.InsertSpec"                    , Feature.Query.InsertSpec.spec)
         , ("Feature.Query.JsonOperatorSpec"              , Feature.Query.JsonOperatorSpec.spec)
         , ("Feature.Query.NullsStripSpec"                , Feature.Query.NullsStripSpec.spec)
         , ("Feature.Query.PgErrorCodeMappingSpec"        , Feature.Query.ErrorSpec.pgErrorCodeMapping)