BOD-14 Schema Changes for messaging

hasura/migrations/1585153777706_create_table_public_messages/down.yaml

@@ -0,0 +1,5 @@
+- args:
+    cascade: false
+    read_only: false
+    sql: DROP TABLE "public"."messages";
+  type: run_sql

hasura/migrations/1585153777706_create_table_public_messages/up.yaml

@@ -0,0 +1,26 @@
+- args:
+    cascade: false
+    read_only: false
+    sql: CREATE EXTENSION IF NOT EXISTS pgcrypto;
+  type: run_sql
+- args:
+    cascade: false
+    read_only: false
+    sql: "CREATE TABLE \"public\".\"messages\"(\"id\" uuid NOT NULL DEFAULT gen_random_uuid(),
+      \"created_at\" timestamptz NOT NULL DEFAULT now(), \"updated_at\" timestamptz
+      NOT NULL DEFAULT now(), \"msid\" text NOT NULL, \"conversationid\" uuid NOT
+      NULL, \"text\" text, \"image\" boolean NOT NULL DEFAULT false, \"image_path\"
+      text, \"sent\" boolean NOT NULL DEFAULT false, \"delivered\" boolean NOT NULL
+      DEFAULT false, PRIMARY KEY (\"id\") , FOREIGN KEY (\"conversationid\") REFERENCES
+      \"public\".\"conversations\"(\"id\") ON UPDATE restrict ON DELETE restrict,
+      UNIQUE (\"msid\"));\nCREATE OR REPLACE FUNCTION \"public\".\"set_current_timestamp_updated_at\"()\nRETURNS
+      TRIGGER AS $$\nDECLARE\n  _new record;\nBEGIN\n  _new := NEW;\n  _new.\"updated_at\"
+      = NOW();\n  RETURN _new;\nEND;\n$$ LANGUAGE plpgsql;\nCREATE TRIGGER \"set_public_messages_updated_at\"\nBEFORE
+      UPDATE ON \"public\".\"messages\"\nFOR EACH ROW\nEXECUTE PROCEDURE \"public\".\"set_current_timestamp_updated_at\"();\nCOMMENT
+      ON TRIGGER \"set_public_messages_updated_at\" ON \"public\".\"messages\" \nIS
+      'trigger to set value of column \"updated_at\" to current timestamp on row update';"
+  type: run_sql
+- args:
+    name: messages
+    schema: public
+  type: add_existing_table_or_view