failed psql because i forgot the sort. RIP.

amex-2022-10-20/3_/mvp.sh

@@ -0,0 +1,31 @@
+#! /bin/bash
+
+main() {
+   set -e
+   set -o pipefail
+
+   local bin=../0_setup/0_setup
+   local cmds=(
+      'DROP TABLE IF EXISTS events'
+      '
+         CREATE TABLE events (
+            sensor_id integer not null,
+            event_type integer not null
+         );
+      '
+      'INSERT INTO events VALUES (2, 2)'
+      'INSERT INTO events VALUES (2, 4)'
+      'INSERT INTO events VALUES (2, 2)'
+      'INSERT INTO events VALUES (3, 2)'
+      'INSERT INTO events VALUES (2, 3)'
+      "$@"
+   )
+
+   for cmd in "${cmds[@]}"; do
+      echo =================
+      $bin -q "$cmd"
+      echo
+   done
+}
+
+main "$@"