com.pingcap.tispark.statistics.estimate

TableSizeEstimator

trait TableSizeEstimator extends AnyRef

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DefaultTableSizeEstimator
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Abstract Value Members

  1. abstract def estimatedCount(table: TiTableInfo): Long

    Returns the estimated number of rows of table.

    Returns the estimated number of rows of table.

    table

    table to evaluate

    returns

    estimated rows ins this table

  2. abstract def estimatedRowSize(table: TiTableInfo): Long

    Returns the estimated size of a row.

    Returns the estimated size of a row.

    table

    table to evaluate

    returns

    estimated row size in bytes

  3. abstract def estimatedTableSize(table: TiTableInfo): Long

    Returns the estimated size of the table in bytes.

    Returns the estimated size of the table in bytes.

    table

    table to evaluate

    returns

    estimated table size of this table

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