Package org.apache.calcite.adapter.tpcds
Class TpcdsSchema.TpcdsQueryableTable<E extends com.teradata.tpcds.Table>
- java.lang.Object
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- org.apache.calcite.schema.impl.AbstractTable
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- org.apache.calcite.adapter.java.AbstractQueryableTable
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- org.apache.calcite.adapter.tpcds.TpcdsSchema.TpcdsQueryableTable<E>
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- Type Parameters:
E
- entity type
- All Implemented Interfaces:
QueryableTable
,Table
,Wrapper
- Enclosing class:
- TpcdsSchema
private class TpcdsSchema.TpcdsQueryableTable<E extends com.teradata.tpcds.Table> extends AbstractQueryableTable
Definition of a table in the TPC-DS schema.
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Field Summary
Fields Modifier and Type Field Description private com.teradata.tpcds.Table
tpcdsTable
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Fields inherited from class org.apache.calcite.adapter.java.AbstractQueryableTable
elementType
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Constructor Summary
Constructors Constructor Description TpcdsQueryableTable(com.teradata.tpcds.Table tpcdsTable)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description <T> Queryable<T>
asQueryable(QueryProvider queryProvider, SchemaPlus schema, java.lang.String tableName)
Converts this table into aQueryable
.RelDataType
getRowType(RelDataTypeFactory typeFactory)
Returns this table's row type.Statistic
getStatistic()
Returns a provider of statistics about this table.private RelDataType
type(RelDataTypeFactory typeFactory, com.teradata.tpcds.column.Column column)
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Methods inherited from class org.apache.calcite.adapter.java.AbstractQueryableTable
getElementType, getExpression
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Methods inherited from class org.apache.calcite.schema.impl.AbstractTable
getJdbcTableType, isRolledUp, rolledUpColumnValidInsideAgg, unwrap
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.calcite.schema.Table
getJdbcTableType, isRolledUp, rolledUpColumnValidInsideAgg
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Method Detail
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getStatistic
public Statistic getStatistic()
Description copied from interface:Table
Returns a provider of statistics about this table.- Specified by:
getStatistic
in interfaceTable
- Overrides:
getStatistic
in classAbstractTable
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asQueryable
public <T> Queryable<T> asQueryable(QueryProvider queryProvider, SchemaPlus schema, java.lang.String tableName)
Description copied from interface:QueryableTable
Converts this table into aQueryable
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getRowType
public RelDataType getRowType(RelDataTypeFactory typeFactory)
Description copied from interface:Table
Returns this table's row type.This is a struct type whose fields describe the names and types of the columns in this table.
The implementer must use the type factory provided. This ensures that the type is converted into a canonical form; other equal types in the same query will use the same object.
- Parameters:
typeFactory
- Type factory with which to create the type- Returns:
- Row type
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type
private RelDataType type(RelDataTypeFactory typeFactory, com.teradata.tpcds.column.Column column)
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