Package org.apache.calcite.materialize
Interface SqlStatisticProvider
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- All Known Implementing Classes:
MapSqlStatisticProvider
public interface SqlStatisticProvider
Estimates row counts for tables and columns.Unlike
LatticeStatisticProvider
, works on raw tables and columns and does not need aLattice
.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description double
tableCardinality(java.util.List<java.lang.String> qualifiedTableName)
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