Technology Errors

“Multiple Default Values” Migration Error with PostgreSQL 8.2.5

PostgreSQL 8.2.5 error == CreateHeartrates: migrating ================================================ — create_table(:heartrates) NOTICE: CREATE TABLE will create implicit sequence “heartrates_id_seq” for serial column “heartrates.id” rake aborted! PGError: ERROR: multiple default values specified for column “id” of table “heartrates” : CREATE TABLE heartrates (“id” serial primary key DEFAULT NULL, “user_id” integer DEFAULT NULL, “timestamp” timestamp with time zone DEFAULT…