public class ScanStats extends Object
Modifier and Type | Class and Description |
---|---|
static class |
ScanStats.GroupScanProperty |
Modifier and Type | Field and Description |
---|---|
static ScanStats |
TRIVIAL_TABLE |
static ScanStats |
ZERO_RECORD_TABLE |
Constructor and Description |
---|
ScanStats(ScanStats.GroupScanProperty groupScanProperty,
double recordCount,
double cpuCost,
double diskCost) |
Modifier and Type | Method and Description |
---|---|
double |
getCpuCost() |
double |
getDiskCost() |
ScanStats.GroupScanProperty |
getGroupScanProperty()
Return whether GroupScan knows the exact row count in the result of getSize()
call.
|
double |
getRecordCount() |
String |
toString() |
public static final ScanStats TRIVIAL_TABLE
public static final ScanStats ZERO_RECORD_TABLE
public ScanStats(ScanStats.GroupScanProperty groupScanProperty, double recordCount, double cpuCost, double diskCost)
public ScanStats.GroupScanProperty getGroupScanProperty()
public double getRecordCount()
public double getCpuCost()
public double getDiskCost()
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