FLIP-231

Status

Current state: "Under Discussion"

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public static final ConfigOption<Boolean> TABLE_OPTIMIZER_SOURCE_COLLECTREPORT_STATISTICS_ENABLED =
    key("table.optimizer.source.collectreport-statistics-enabled")
        .booleanType()
        .defaultValue(true)
        .withDescription(
            "When it is true, the optimizer will collect and use the statistics from source connector"
            + " if the source extends from SupportsStatisticReport and the collected statistics is not UNKNOWN."
            + "Default value is true.");

...

public static final ConfigOption<FileStatisticsType> SOURCE_STATISTICS_TYPE =
    key("source.report-statistics-type")
        .enumType(FileStatisticsType.class)
        .defaultValue(FileStatisticsType.ALL)
        .withDescription("The file statistics type which the source could provide. "
            + "The statistics collecting is a heavy operation in some cases,"
            + "this config allows users to choose the statistics type according to different situations.");

public enum FileStatisticsType implements DescribedEnum {
    NONE("NONE", text("Do not collect any file statistics.")),
    ALL("ALL", text("Collect all file statistics that the format can provide."));

    private final String value;
    private final InlineElement description;

    FileStatisticsType(String value, InlineElement description) {
        this.value = value;
        this.description = description;
    }

    @Override
    public String toString() {
        return value;
    }

    @Override
    public InlineElement getDescription() {
        return description;
    }
}

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