code: @Override
      public SchemaStatement createStatement() {
          Create create = createTable(tableName).ifNotExists();
          partitionKeys.forEach(col -> create.addPartitionKey(col.getName(), col.getType()));
          clusteringColumns.forEach(col -> create.addClusteringColumn(col.getName(), col.getType()));
          columns.forEach(col -> create.addColumn(col.getName(), col.getType()));
          return create;
      }
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