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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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#include "gen-cpp/TCLIService_types.h"
#include "gen-cpp/CatalogService_types.h"
#include "gen-cpp/CatalogObjects_types.h"

#include <vector>

namespace impala {

/// Populates the supplied TAlterTableUpdateStatsParams argument with per-column statistics
/// that are computed by aggregating the per-partition results from the COMPUTE STATS child
/// queries, contained in the 'rowset', and any pre-existing per-partition measurements,
/// contained in 'existing_part_stats'. The schema for 'rowset' is in 'col_stats_schema'.
void FinalizePartitionedColumnStats(
    const apache::hive::service::cli::thrift::TTableSchema& col_stats_schema,
    const std::vector<TPartitionStats>& existing_part_stats,
    const std::vector<std::vector<std::string>>& expected_partitions,
    const apache::hive::service::cli::thrift::TRowSet& rowset,
    int32_t num_partition_cols, TAlterTableUpdateStatsParams* params);
}