file: first_change.sql 1: -- preSHA1sum: 660d1e9b6aec2ac84c2ff6b1acb5fe3450fdd013 2: -- postSHA1sum: e63a31c18566148984a317006dad897b75d8bdbe 3: 4: create table yat ( 5: yet_another_column text 6: ); 7: