@Override
    public SchemaChangeLog getChangeLog(String namespace, String changeSetId) {
        Assert.hasLength(changeSetId, "Change set must not be empty");
        assertInitialization(namespace);
        return schemaChangeLogService.getSchemaChangeLog(namespace, changeSetId);
    }
This implementation uses the executed schema change logs to compare against the specified {@code changeSets} to
check the current schema status, regardless of how the actual schema looks like.
hbase/hbase-schema/src/main/java/com/navercorp/pinpoint/hbase/schema/service/HbaseSchemaServiceImpl.java