Initial open source release

deploy/migrations/0052_user_recent_reactions.up.sql

@@ -0,0 +1,14 @@
+CREATE TABLE IF NOT EXISTS user_recent_reactions (
+    user_id        BIGINT      NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    reaction_type  VARCHAR(16) NOT NULL,
+    reaction_value TEXT        NOT NULL,
+    reaction_date  INT         NOT NULL,
+    created_at     TIMESTAMPTZ NOT NULL DEFAULT now(),
+    updated_at     TIMESTAMPTZ NOT NULL DEFAULT now(),
+    PRIMARY KEY (user_id, reaction_type, reaction_value),
+    CHECK (reaction_type IN ('emoji')),
+    CHECK (reaction_value <> '')
+);
+
+CREATE INDEX IF NOT EXISTS user_recent_reactions_user_date_idx
+    ON user_recent_reactions (user_id, reaction_date DESC, updated_at DESC, reaction_value ASC);