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    clearStatistics

    public ClearStatisticsResponse clearStatistics(ClearStatisticsRequest request) throws GPUdbException
    Clears statistics (cardinality, mean value, etc.) for a column in a specified table.
    Parameters:
    request - Request object containing the parameters for the operation.
    Returns:
    Response object containing the results of the operation.
    Throws:
    GPUdbException - if an error occurs during the operation.

  • ​
    clearStatistics

    public ClearStatisticsResponse clearStatistics(String tableName, String columnName, Map<String,String> options) throws GPUdbException
    Clears statistics (cardinality, mean value, etc.) for a column in a specified table.
    Parameters:
    tableName - Name of a table, in [schema_name.]table_name format, using standard name resolution rules. Must be an existing table. A value of ’*’ clears statistics on every user table the caller may read (excluding system schemas, views, and temporary tables); when used, columnName must be empty. The default value is ”.
    columnName - Name of the column in tableName for which to clear statistics. The column must be from an existing table. An empty string clears statistics for all columns in the table. Must be empty when tableName is ’*’. The default value is ”.
    options - Optional parameters. The default value is an empty Map.
    Returns:
    Response object containing the results of the operation.
    Throws:
    GPUdbException - if an error occurs during the operation.