From 621e8cc96d28c9f16d365c13b364d8009e6ccff1 Mon Sep 17 00:00:00 2001
From: Kevin Stone <kevinastone@gmail.com>
Date: Wed, 20 Dec 2017 14:21:09 -0600
Subject: [PATCH 1/2] Switch to SQLite for the Absinthe Tutorial

Moving from Postgres to SQLite removes a system dependency and allows
one to setup a working environment faster.
---
 .gitignore      |  1 +
 config/dev.exs  |  6 ++----
 config/test.exs |  6 ++----
 mix.exs         |  1 +
 mix.lock        | 48 ++++++++++++++++++++++++++----------------------
 5 files changed, 32 insertions(+), 30 deletions(-)

diff --git a/.gitignore b/.gitignore
index d26faf8..5b9459a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ erl_crash.dump
 # secrets files as long as you replace their contents by environment
 # variables.
 /config/*.secret.exs
+*.sqlite3
diff --git a/config/dev.exs b/config/dev.exs
index cf75fed..0902e3d 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -38,9 +38,7 @@ config :phoenix, :stacktrace_depth, 20
 
 # Configure your database
 config :blog, Blog.Repo,
-  adapter: Ecto.Adapters.Postgres,
-  username: "postgres",
-  password: "postgres",
-  database: "blog_dev",
+  adapter: Sqlite.Ecto2,
+  database: "dev.sqlite3",
   hostname: "localhost",
   pool_size: 10
diff --git a/config/test.exs b/config/test.exs
index 74c4ef2..4fe29cb 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -11,9 +11,7 @@ config :logger, level: :warn
 
 # Configure your database
 config :blog, Blog.Repo,
-  adapter: Ecto.Adapters.Postgres,
-  username: "postgres",
-  password: "postgres",
-  database: "blog_test",
+  adapter: Sqlite.Ecto2,
+  database: "test.sqlite3",
   hostname: "localhost",
   pool: Ecto.Adapters.SQL.Sandbox
diff --git a/mix.exs b/mix.exs
index f0b4ba1..b615446 100644
--- a/mix.exs
+++ b/mix.exs
@@ -36,6 +36,7 @@ defmodule Blog.Mixfile do
       {:phoenix, "~> 1.3.0"},
       {:phoenix_pubsub, "~> 1.0"},
       {:phoenix_ecto, "~> 3.2"},
+      {:sqlite_ecto2, "~> 2.2"},
       {:ecto, "~> 2.2.6"},
       {:postgrex, ">= 0.0.0"},
       {:gettext, "~> 0.11"},
diff --git a/mix.lock b/mix.lock
index 89ace17..1ef5428 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,23 +1,27 @@
-%{"absinthe": {:hex, :absinthe, "1.4.0", "f2261f4bf62dd03a5fc75472b6ebfaa262f7133386d759cb965067e633888b0c", [], [{:dataloader, "~> 1.0.0", [hex: :dataloader, repo: "hexpm", optional: true]}, {:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm"},
-  "absinthe_ecto": {:hex, :absinthe_ecto, "0.1.3", "420b68129e79fe4571a4838904ba03e282330d335da47729ad52ffd7b8c5fcb1", [], [{:absinthe, "~> 1.3.0 or ~> 1.4.0", [hex: :absinthe, repo: "hexpm", optional: false]}, {:ecto, ">= 0.0.0", [hex: :ecto, repo: "hexpm", optional: false]}], "hexpm"},
-  "absinthe_plug": {:hex, :absinthe_plug, "1.4.0", "321ba4da280d4dcea5d6cce0f4a0b28aba2b32bee25f2f0855a8dc5ca02d29cf", [], [{:absinthe, "~> 1.4", [hex: :absinthe, repo: "hexpm", optional: false]}, {:plug, "~> 1.3.2 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
-  "argon2_elixir": {:hex, :argon2_elixir, "1.2.9", "359502d89aa82c8a0b0b690e752a3120790528b5993299abbbcf0165fa1771bf", [], [{:elixir_make, "~> 0.4", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm"},
-  "comeonin": {:hex, :comeonin, "4.0.3", "4e257dcb748ed1ca2651b7ba24fdbd1bd24efd12482accf8079141e3fda23a10", [], [{:argon2_elixir, "~> 1.2", [hex: :argon2_elixir, repo: "hexpm", optional: true]}, {:bcrypt_elixir, "~> 0.12.1 or ~> 1.0", [hex: :bcrypt_elixir, repo: "hexpm", optional: true]}, {:pbkdf2_elixir, "~> 0.12", [hex: :pbkdf2_elixir, repo: "hexpm", optional: true]}], "hexpm"},
-  "connection": {:hex, :connection, "1.0.4", "a1cae72211f0eef17705aaededacac3eb30e6625b04a6117c1b2db6ace7d5976", [], [], "hexpm"},
-  "cowboy": {:hex, :cowboy, "1.1.2", "61ac29ea970389a88eca5a65601460162d370a70018afe6f949a29dca91f3bb0", [], [{:cowlib, "~> 1.0.2", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "~> 1.3.2", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm"},
-  "cowlib": {:hex, :cowlib, "1.0.2", "9d769a1d062c9c3ac753096f868ca121e2730b9a377de23dec0f7e08b1df84ee", [], [], "hexpm"},
-  "db_connection": {:hex, :db_connection, "1.1.2", "2865c2a4bae0714e2213a0ce60a1b12d76a6efba0c51fbda59c9ab8d1accc7a8", [], [{:connection, "~> 1.0.2", [hex: :connection, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, repo: "hexpm", optional: true]}], "hexpm"},
-  "decimal": {:hex, :decimal, "1.4.1", "ad9e501edf7322f122f7fc151cce7c2a0c9ada96f2b0155b8a09a795c2029770", [], [], "hexpm"},
-  "ecto": {:hex, :ecto, "2.2.6", "3fd1067661d6d64851a0d4db9acd9e884c00d2d1aa41cc09da687226cf894661", [], [{:db_connection, "~> 1.1", [hex: :db_connection, repo: "hexpm", optional: true]}, {:decimal, "~> 1.2", [hex: :decimal, repo: "hexpm", optional: false]}, {:mariaex, "~> 0.8.0", [hex: :mariaex, repo: "hexpm", optional: true]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: true]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.13.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, repo: "hexpm", optional: true]}], "hexpm"},
+%{"absinthe": {:hex, :absinthe, "1.4.0", "f2261f4bf62dd03a5fc75472b6ebfaa262f7133386d759cb965067e633888b0c", [:mix], [{:dataloader, "~> 1.0.0", [hex: :dataloader, optional: true]}, {:decimal, "~> 1.0", [hex: :decimal, optional: true]}]},
+  "absinthe_ecto": {:hex, :absinthe_ecto, "0.1.3", "420b68129e79fe4571a4838904ba03e282330d335da47729ad52ffd7b8c5fcb1", [:mix], [{:absinthe, "~> 1.3.0 or ~> 1.4.0", [hex: :absinthe, optional: false]}, {:ecto, ">= 0.0.0", [hex: :ecto, optional: false]}]},
+  "absinthe_plug": {:hex, :absinthe_plug, "1.4.0", "321ba4da280d4dcea5d6cce0f4a0b28aba2b32bee25f2f0855a8dc5ca02d29cf", [:mix], [{:absinthe, "~> 1.4", [hex: :absinthe, optional: false]}, {:plug, "~> 1.3.2 or ~> 1.4", [hex: :plug, optional: false]}]},
+  "argon2_elixir": {:hex, :argon2_elixir, "1.2.9", "359502d89aa82c8a0b0b690e752a3120790528b5993299abbbcf0165fa1771bf", [:make, :mix], [{:elixir_make, "~> 0.4", [hex: :elixir_make, optional: false]}]},
+  "comeonin": {:hex, :comeonin, "4.0.3", "4e257dcb748ed1ca2651b7ba24fdbd1bd24efd12482accf8079141e3fda23a10", [:mix], [{:argon2_elixir, "~> 1.2", [hex: :argon2_elixir, optional: true]}, {:bcrypt_elixir, "~> 0.12.1 or ~> 1.0", [hex: :bcrypt_elixir, optional: true]}, {:pbkdf2_elixir, "~> 0.12", [hex: :pbkdf2_elixir, optional: true]}]},
+  "connection": {:hex, :connection, "1.0.4", "a1cae72211f0eef17705aaededacac3eb30e6625b04a6117c1b2db6ace7d5976", [:mix], []},
+  "cowboy": {:hex, :cowboy, "1.1.2", "61ac29ea970389a88eca5a65601460162d370a70018afe6f949a29dca91f3bb0", [:rebar3], [{:cowlib, "~> 1.0.2", [hex: :cowlib, optional: false]}, {:ranch, "~> 1.3.2", [hex: :ranch, optional: false]}]},
+  "cowlib": {:hex, :cowlib, "1.0.2", "9d769a1d062c9c3ac753096f868ca121e2730b9a377de23dec0f7e08b1df84ee", [:make], []},
+  "db_connection": {:hex, :db_connection, "1.1.2", "2865c2a4bae0714e2213a0ce60a1b12d76a6efba0c51fbda59c9ab8d1accc7a8", [:mix], [{:connection, "~> 1.0.2", [hex: :connection, optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, optional: true]}]},
+  "decimal": {:hex, :decimal, "1.4.1", "ad9e501edf7322f122f7fc151cce7c2a0c9ada96f2b0155b8a09a795c2029770", [:mix], []},
+  "ecto": {:hex, :ecto, "2.2.6", "3fd1067661d6d64851a0d4db9acd9e884c00d2d1aa41cc09da687226cf894661", [:mix], [{:db_connection, "~> 1.1", [hex: :db_connection, optional: true]}, {:decimal, "~> 1.2", [hex: :decimal, optional: false]}, {:mariaex, "~> 0.8.0", [hex: :mariaex, optional: true]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, optional: true]}, {:poolboy, "~> 1.5", [hex: :poolboy, optional: false]}, {:postgrex, "~> 0.13.0", [hex: :postgrex, optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, optional: true]}]},
   "ecto_enum": {:hex, :ecto_enum, "0.3.1", "28771a73c195553b32b434f926302092ba072ba2b50224b8d63081cad5e0846b", [], [{:ecto, ">= 0.13.1", [hex: :ecto, repo: "hexpm", optional: false]}, {:mariaex, ">= 0.3.0", [hex: :mariaex, repo: "hexpm", optional: true]}, {:postgrex, ">= 0.8.3", [hex: :postgrex, repo: "hexpm", optional: true]}], "hexpm"},
-  "elixir_make": {:hex, :elixir_make, "0.4.0", "992f38fabe705bb45821a728f20914c554b276838433349d4f2341f7a687cddf", [], [], "hexpm"},
-  "gettext": {:hex, :gettext, "0.13.1", "5e0daf4e7636d771c4c71ad5f3f53ba09a9ae5c250e1ab9c42ba9edccc476263", [], [], "hexpm"},
-  "mime": {:hex, :mime, "1.1.0", "01c1d6f4083d8aa5c7b8c246ade95139620ef8effb009edde934e0ec3b28090a", [], [], "hexpm"},
-  "phoenix": {:hex, :phoenix, "1.3.0", "1c01124caa1b4a7af46f2050ff11b267baa3edb441b45dbf243e979cd4c5891b", [], [{:cowboy, "~> 1.0", [hex: :cowboy, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 1.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.3.3 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"},
-  "phoenix_ecto": {:hex, :phoenix_ecto, "3.3.0", "702f6e164512853d29f9d20763493f2b3bcfcb44f118af2bc37bb95d0801b480", [], [{:ecto, "~> 2.1", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.9", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
-  "phoenix_pubsub": {:hex, :phoenix_pubsub, "1.0.2", "bfa7fd52788b5eaa09cb51ff9fcad1d9edfeb68251add458523f839392f034c1", [], [], "hexpm"},
-  "plug": {:hex, :plug, "1.4.3", "236d77ce7bf3e3a2668dc0d32a9b6f1f9b1f05361019946aae49874904be4aed", [], [{:cowboy, "~> 1.0.1 or ~> 1.1", [hex: :cowboy, repo: "hexpm", optional: true]}, {:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}], "hexpm"},
-  "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [], [], "hexpm"},
-  "poolboy": {:hex, :poolboy, "1.5.1", "6b46163901cfd0a1b43d692657ed9d7e599853b3b21b95ae5ae0a777cf9b6ca8", [], [], "hexpm"},
-  "postgrex": {:hex, :postgrex, "0.13.3", "c277cfb2a9c5034d445a722494c13359e361d344ef6f25d604c2353185682bfc", [], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 1.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm"},
-  "ranch": {:hex, :ranch, "1.3.2", "e4965a144dc9fbe70e5c077c65e73c57165416a901bd02ea899cfd95aa890986", [], [], "hexpm"}}
+  "elixir_make": {:hex, :elixir_make, "0.4.0", "992f38fabe705bb45821a728f20914c554b276838433349d4f2341f7a687cddf", [:mix], []},
+  "esqlite": {:hex, :esqlite, "0.2.3", "1a8b60877fdd3d50a8a84b342db04032c0231cc27ecff4ddd0d934485d4c0cd5", [:rebar3], []},
+  "gettext": {:hex, :gettext, "0.13.1", "5e0daf4e7636d771c4c71ad5f3f53ba09a9ae5c250e1ab9c42ba9edccc476263", [:mix], []},
+  "mime": {:hex, :mime, "1.1.0", "01c1d6f4083d8aa5c7b8c246ade95139620ef8effb009edde934e0ec3b28090a", [:mix], []},
+  "phoenix": {:hex, :phoenix, "1.3.0", "1c01124caa1b4a7af46f2050ff11b267baa3edb441b45dbf243e979cd4c5891b", [:mix], [{:cowboy, "~> 1.0", [hex: :cowboy, optional: true]}, {:phoenix_pubsub, "~> 1.0", [hex: :phoenix_pubsub, optional: false]}, {:plug, "~> 1.3.3 or ~> 1.4", [hex: :plug, optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, optional: false]}]},
+  "phoenix_ecto": {:hex, :phoenix_ecto, "3.3.0", "702f6e164512853d29f9d20763493f2b3bcfcb44f118af2bc37bb95d0801b480", [:mix], [{:ecto, "~> 2.1", [hex: :ecto, optional: false]}, {:phoenix_html, "~> 2.9", [hex: :phoenix_html, optional: true]}, {:plug, "~> 1.0", [hex: :plug, optional: false]}]},
+  "phoenix_pubsub": {:hex, :phoenix_pubsub, "1.0.2", "bfa7fd52788b5eaa09cb51ff9fcad1d9edfeb68251add458523f839392f034c1", [:mix], []},
+  "plug": {:hex, :plug, "1.4.3", "236d77ce7bf3e3a2668dc0d32a9b6f1f9b1f05361019946aae49874904be4aed", [:mix], [{:cowboy, "~> 1.0.1 or ~> 1.1", [hex: :cowboy, optional: true]}, {:mime, "~> 1.0", [hex: :mime, optional: false]}]},
+  "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], []},
+  "poolboy": {:hex, :poolboy, "1.5.1", "6b46163901cfd0a1b43d692657ed9d7e599853b3b21b95ae5ae0a777cf9b6ca8", [:rebar], []},
+  "postgrex": {:hex, :postgrex, "0.13.3", "c277cfb2a9c5034d445a722494c13359e361d344ef6f25d604c2353185682bfc", [:mix], [{:connection, "~> 1.0", [hex: :connection, optional: false]}, {:db_connection, "~> 1.1", [hex: :db_connection, optional: false]}, {:decimal, "~> 1.0", [hex: :decimal, optional: false]}]},
+  "ranch": {:hex, :ranch, "1.3.2", "e4965a144dc9fbe70e5c077c65e73c57165416a901bd02ea899cfd95aa890986", [:rebar3], []},
+  "sbroker": {:hex, :sbroker, "1.0.0", "28ff1b5e58887c5098539f236307b36fe1d3edaa2acff9d6a3d17c2dcafebbd0", [:rebar3], []},
+  "sqlite_ecto2": {:hex, :sqlite_ecto2, "2.2.2", "7a3e5c0521e1cb6e30a4907ba4d952b97db9b2ab5d1a4806ceeb66a10b23ba65", [:mix], [{:connection, "~> 1.0.3", [hex: :connection, optional: false]}, {:db_connection, "~> 1.1.0", [hex: :db_connection, optional: false]}, {:decimal, "~> 1.2", [hex: :decimal, optional: false]}, {:ecto, "~> 2.2.2", [hex: :ecto, optional: false]}, {:esqlite, "~> 0.2.3", [hex: :esqlite, optional: false]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, optional: true]}, {:postgrex, "~> 0.13.0", [hex: :postgrex, optional: true]}, {:sbroker, "~> 1.0", [hex: :sbroker, optional: false]}, {:sqlitex, "~> 1.3.2 or ~> 1.4", [hex: :sqlitex, optional: false]}]},
+  "sqlitex": {:hex, :sqlitex, "1.3.3", "3aac5fd702be346f71d9de6e01702c9954484cd0971aa443490bb3bde045d919", [:mix], [{:decimal, "~> 1.1", [hex: :decimal, optional: false]}, {:esqlite, "~> 0.2.3", [hex: :esqlite, optional: false]}]}}

From 37896706f4a7e5776b83404285d5f2c7fd190dbb Mon Sep 17 00:00:00 2001
From: Kevin Stone <kevinastone@gmail.com>
Date: Wed, 20 Dec 2017 14:33:31 -0600
Subject: [PATCH 2/2] Updated where clause to use date comparison

---
 lib/blog/content/content.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/blog/content/content.ex b/lib/blog/content/content.ex
index b417cf8..7a2d855 100644
--- a/lib/blog/content/content.ex
+++ b/lib/blog/content/content.ex
@@ -6,7 +6,7 @@ defmodule Blog.Content do
   def list_posts(author, %{date: date}) do
     from(t in Content.Post,
       where: t.author_id == ^author.id,
-      where: fragment("date_trunc('day', ?)", t.published_at) == type(^date, :date))
+      where: fragment("date(?)", t.published_at) == ^date)
     |> Repo.all
   end
   def list_posts(author, _) do