com.mapd.calcite.parser.HeavyDBSqlOperatorTable.ApproxCountDistinct Class Reference

Inheritance diagram for com.mapd.calcite.parser.HeavyDBSqlOperatorTable.ApproxCountDistinct:

Collaboration diagram for com.mapd.calcite.parser.HeavyDBSqlOperatorTable.ApproxCountDistinct:

Public Member Functions
RelDataType	inferReturnType (SqlOperatorBinding opBinding)

Package Functions
	ApproxCountDistinct ()

Detailed Description

Definition at line 2726 of file HeavyDBSqlOperatorTable.java.

Constructor & Destructor Documentation

com.mapd.calcite.parser.HeavyDBSqlOperatorTable.ApproxCountDistinct.ApproxCountDistinct ( )

inlinepackage

Definition at line 2727 of file HeavyDBSqlOperatorTable.java.

                          {
      super("APPROX_COUNT_DISTINCT",
              null,
              SqlKind.OTHER_FUNCTION,
              null,
              null,
              OperandTypes.or(OperandTypes.family(SqlTypeFamily.ANY),
                      OperandTypes.family(SqlTypeFamily.ANY, SqlTypeFamily.INTEGER)),
              SqlFunctionCategory.SYSTEM,
              false,
              false,
              Optionality.FORBIDDEN);
    }

Member Function Documentation

RelDataType com.mapd.calcite.parser.HeavyDBSqlOperatorTable.ApproxCountDistinct.inferReturnType ( SqlOperatorBinding  opBinding )

inline

Definition at line 2742 of file HeavyDBSqlOperatorTable.java.

                                                                     {
      final RelDataTypeFactory typeFactory = opBinding.getTypeFactory();
      return typeFactory.createSqlType(SqlTypeName.BIGINT);
    }

---

The documentation for this class was generated from the following file:

• /home/jenkins-slave/workspace/core-os-doxygen/java/calcite/src/main/java/com/mapd/calcite/parser/HeavyDBSqlOperatorTable.java