first migration

core/migrations/0001__init__ddl.sql

@@ -0,0 +1,31 @@
+CREATE TABLE IF NOT EXISTS TGUser
+(
+    id            BIGINT PRIMARY KEY NOT NULL ,
+    hash          VARCHAR(999) NOT NULL,
+    first_name    VARCHAR(255) NULL,
+    username      VARCHAR(255) NULL,
+    language_code VARCHAR(255) NULL,
+    is_bot        BOOLEAN      NOT NULL
+
+);
+
+CREATE TABLE IF NOT EXISTS TGChat
+(
+    id    BIGINT PRIMARY KEY NOT NULL ,
+    hash  VARCHAR(999) NOT NULL,
+    full_name VARCHAR(255) NOT NULL ,
+    type  VARCHAR(255) NULL
+
+);
+
+CREATE TABLE IF NOT EXISTS TGMessage
+(
+    true_id  UUID PRIMARY KEY NOT NULL ,
+    id BIGINT NOT NULL,
+    author_id  BIGINT,
+    chat_id    BIGINT,
+    text       TEXT,
+    created_at TIMESTAMPTZ NOT NULL,
+    FOREIGN KEY (author_id) REFERENCES TGUser (id) ON DELETE CASCADE,
+    FOREIGN KEY (chat_id) REFERENCES TGChat (id) ON DELETE CASCADE
+);