Package org.apache.drill.metastore.statistics

Interface Statistic

All Known Implementing Classes:

AbstractMergedStatistic, AvgWidthMergedStatistic, CntDupsMergedStatistic, ColTypeMergedStatistic, ColumnMergedStatistic, HLLMergedStatistic, NDVMergedStatistic, NNRowCountMergedStatistic, RowCountMergedStatistic, TDigestMergedStatistic

public interface Statistic

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static enum	Statistic.State

Field Summary

Fields

Modifier and Type	Field	Description
static final String	AVG_WIDTH
static final String	CNT_DUPS
static final String	COLNAME
static final String	COLTYPE
static final String	COMPUTED
static final String	HLL
static final String	HLL_MERGE
static final String	NDV
static final String	NNROWCOUNT
static final long	NO_COLUMN_STATS
static final String	ROWCOUNT
static final String	SCHEMA
static final String	SUM_DUPS
static final String	SUM_WIDTH
static final String	TDIGEST
static final String	TDIGEST_MERGE

Field Details

NO_COLUMN_STATS

static final long NO_COLUMN_STATS

See Also:

• Constant Field Values

COLNAME

static final String COLNAME

See Also:

• Constant Field Values

COLTYPE

static final String COLTYPE

See Also:

• Constant Field Values

SCHEMA

static final String SCHEMA

See Also:

• Constant Field Values

COMPUTED

static final String COMPUTED

See Also:

• Constant Field Values

ROWCOUNT

static final String ROWCOUNT

See Also:

• Constant Field Values

NNROWCOUNT

static final String NNROWCOUNT

See Also:

• Constant Field Values

NDV

static final String NDV

See Also:

• Constant Field Values

HLL_MERGE

static final String HLL_MERGE

See Also:

• Constant Field Values

HLL

static final String HLL

See Also:

• Constant Field Values

AVG_WIDTH

static final String AVG_WIDTH

See Also:

• Constant Field Values

SUM_WIDTH

static final String SUM_WIDTH

See Also:

• Constant Field Values

CNT_DUPS

static final String CNT_DUPS

See Also:

• Constant Field Values

SUM_DUPS

static final String SUM_DUPS

See Also:

• Constant Field Values

TDIGEST

static final String TDIGEST

See Also:

• Constant Field Values

TDIGEST_MERGE

static final String TDIGEST_MERGE

See Also:

• Constant Field Values