apache_datasketches: init at 1.6.0

PostgreSQL extension providing approximate algorithms for
distinct item counts, quantile estimation and frequent items detection.

pkgs/servers/sql/postgresql/ext/apache_datasketches.nix

@@ -0,0 +1,71 @@
+{ stdenv, lib, fetchFromGitHub, postgresql, boost182, nixosTests }:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "apache_datasketches";
+  version = "1.6.0";
+
+  srcs = [
+    ( fetchFromGitHub {
+        name   = "datasketches-postgresql";
+        owner  = "apache";
+        repo   = "datasketches-postgresql";
+        rev    = "refs/tags/${finalAttrs.version}";
+        hash   = "sha256-sz94fIe7nyWhjiw8FAm6ZzVpB0sAK5YxUrtbaZt/guA=";
+    })
+    ( fetchFromGitHub {
+        name   = "datasketches-cpp";
+        owner  = "apache";
+        repo   = "datasketches-cpp";
+        rev    = "refs/tags/4.1.0";
+        hash   = "sha256-vPoFzRxOXlEAiiHH9M5S6255ahzaKsGNYS0cdHwrRYw=";
+    })
+  ];
+  sourceRoot = "datasketches-postgresql";
+
+  buildInputs = [ postgresql boost182 ];
+
+  patchPhase = ''
+    runHook prePatch
+    cp -r ../datasketches-cpp .
+    runHook postPatch
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -D -m 644 ./datasketches.so -t $out/lib/
+    cat \
+      sql/datasketches_cpc_sketch.sql \
+      sql/datasketches_kll_float_sketch.sql \
+      sql/datasketches_kll_double_sketch.sql \
+      sql/datasketches_theta_sketch.sql \
+      sql/datasketches_frequent_strings_sketch.sql \
+      sql/datasketches_hll_sketch.sql \
+      sql/datasketches_aod_sketch.sql \
+      sql/datasketches_req_float_sketch.sql \
+      sql/datasketches_quantiles_double_sketch.sql \
+      > sql/datasketches--${finalAttrs.version}.sql
+    install -D -m 644 ./datasketches.control -t $out/share/postgresql/extension
+    install -D -m 644 \
+      ./sql/datasketches--${finalAttrs.version}.sql \
+      ./sql/datasketches--1.3.0--1.4.0.sql \
+      ./sql/datasketches--1.4.0--1.5.0.sql \
+      ./sql/datasketches--1.5.0--1.6.0.sql \
+      -t $out/share/postgresql/extension
+    runHook postInstall
+  '';
+
+  passthru.tests.apache_datasketches = nixosTests.apache_datasketches;
+
+  meta = {
+    description = "PostgreSQL extension providing approximate algorithms for distinct item counts, quantile estimation and frequent items detection";
+    longDescription = ''
+       apache_datasketches is an extension to support approximate algorithms on PostgreSQL. The implementation
+       is based on the Apache Datasketches CPP library, and provides support for HyperLogLog,
+       Compressed Probabilistic Counting, KLL, Frequent strings, and Theta sketches.
+    '';
+    homepage = "https://datasketches.apache.org/";
+    platforms = postgresql.meta.platforms;
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ mmusnjak ];
+  };
+})