Initial open source release

deploy/migrations/0053_user_top_reactions.up.sql

@@ -0,0 +1,16 @@
+CREATE TABLE IF NOT EXISTS user_top_reactions (
+    user_id        BIGINT      NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    reaction_type  VARCHAR(16) NOT NULL,
+    reaction_value TEXT        NOT NULL,
+    reaction_count INT         NOT NULL DEFAULT 0,
+    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 <> ''),
+    CHECK (reaction_count >= 0)
+);
+
+CREATE INDEX IF NOT EXISTS user_top_reactions_user_rank_idx
+    ON user_top_reactions (user_id, reaction_count DESC, reaction_date DESC, updated_at DESC, reaction_value ASC);