Method equals

app/src/main/java/androidx/room/TableInfo.java:448–485

(Object o)

        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (!(o instanceof Column)) return false;

            Column column = (Column) o;
            if (Build.VERSION.SDK_INT >= 20) {
                if (primaryKeyPosition != column.primaryKeyPosition) return false;
            } else {
                if (isPrimaryKey() != column.isPrimaryKey()) return false;
            }

            if (!name.equals(column.name)) return false;
            //noinspection SimplifiableIfStatement
            if (notNull != column.notNull) return false;

            // Only validate default value if it was defined in an entity, i.e. if the info
            // from the compiler itself has it. b/136019383
            if (mCreatedFrom == CREATED_FROM_ENTITY
                    && column.mCreatedFrom == CREATED_FROM_DATABASE
                    && (defaultValue != null && !defaultValueEquals(defaultValue,
                    column.defaultValue))) {
                return false;
            } else if (mCreatedFrom == CREATED_FROM_DATABASE
                    && column.mCreatedFrom == CREATED_FROM_ENTITY
                    && (column.defaultValue != null && !defaultValueEquals(
                    column.defaultValue, defaultValue))) {
                return false;
            } else if (mCreatedFrom != CREATED_FROM_UNKNOWN
                    && mCreatedFrom == column.mCreatedFrom
                    && (defaultValue != null ? !defaultValueEquals(defaultValue,
                    column.defaultValue)
                    : column.defaultValue != null)) {
                return false;
            }

            return affinity == column.affinity;
        }

        /**
         * Checks if the default values provided match. Handles the special case in which the