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Package com.gpudb.protocol

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Class ClearStatisticsRequest

java.lang.Object
com.gpudb.protocol.ClearStatisticsRequest
All Implemented Interfaces:
org.apache.avro.generic.GenericContainer, org.apache.avro.generic.IndexedRecord
public class ClearStatisticsRequest extends Object implements org.apache.avro.generic.IndexedRecord
A set of parameters for GPUdb.clearStatistics.

Clears statistics (cardinality, mean value, etc.) for a column in a specified table.

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    Constructor Details

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      ClearStatisticsRequest

      public ClearStatisticsRequest()
      Constructs a ClearStatisticsRequest object with default parameters.

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      ClearStatisticsRequest

      public ClearStatisticsRequest(String tableName, String columnName, Map<String,String> options)
      Constructs a ClearStatisticsRequest object with the specified parameters.
      Parameters:
      tableName - Name of a table, in [schema_name.]table_name format, using standard name resolution rules. Must be an existing table. The default value is ”.
      columnName - Name of the column in tableName for which to clear statistics. The column must be from an existing table. An empty string clears statistics for all columns in the table. The default value is ”.
      options - Optional parameters. The default value is an empty Map.

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    Method Details

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      getClassSchema

      public static org.apache.avro.Schema getClassSchema()
      This method supports the Avro framework and is not intended to be called directly by the user.
      Returns:
      The schema for the class.

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      getTableName

      public String getTableName()
      Name of a table, in [schema_name.]table_name format, using standard name resolution rules. Must be an existing table. The default value is ”.
      Returns:
      The current value of tableName.

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      setTableName

      public ClearStatisticsRequest setTableName(String tableName)
      Name of a table, in [schema_name.]table_name format, using standard name resolution rules. Must be an existing table. The default value is ”.
      Parameters:
      tableName - The new value for tableName.
      Returns:
      this to mimic the builder pattern.

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      getColumnName

      public String getColumnName()
      Name of the column in tableName for which to clear statistics. The column must be from an existing table. An empty string clears statistics for all columns in the table. The default value is ”.
      Returns:
      The current value of columnName.

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      setColumnName

      public ClearStatisticsRequest setColumnName(String columnName)
      Name of the column in tableName for which to clear statistics. The column must be from an existing table. An empty string clears statistics for all columns in the table. The default value is ”.
      Parameters:
      columnName - The new value for columnName.
      Returns:
      this to mimic the builder pattern.

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      getOptions

      public Map<String,String> getOptions()
      Optional parameters. The default value is an empty Map.
      Returns:
      The current value of options.

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      setOptions

      public ClearStatisticsRequest setOptions(Map<String,String> options)
      Optional parameters. The default value is an empty Map.
      Parameters:
      options - The new value for options.
      Returns:
      this to mimic the builder pattern.

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      getSchema

      public org.apache.avro.Schema getSchema()
      This method supports the Avro framework and is not intended to be called directly by the user.
      Specified by:
      getSchema in interface org.apache.avro.generic.GenericContainer
      Returns:
      The schema object describing this class.

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      get

      public Object get(int index)
      This method supports the Avro framework and is not intended to be called directly by the user.
      Specified by:
      get in interface org.apache.avro.generic.IndexedRecord
      Parameters:
      index - the position of the field to get
      Returns:
      value of the field with the given index.
      Throws:
      IndexOutOfBoundsException

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      put

      public void put(int index, Object value)
      This method supports the Avro framework and is not intended to be called directly by the user.
      Specified by:
      put in interface org.apache.avro.generic.IndexedRecord
      Parameters:
      index - the position of the field to set
      value - the value to set
      Throws:
      IndexOutOfBoundsException

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      equals

      public boolean equals(Object obj)
      Overrides:
      equals in class Object

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      toString

      public String toString()
      Overrides:
      toString in class Object

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      hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object