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

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

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

Public Member Functions
	Hash ()
RelDataType	inferReturnType (SqlOperatorBinding opBinding)

Static Private Member Functions
static java.util.List < SqlTypeFamily >	getSignatureFamilies ()

Detailed Description

Definition at line 1751 of file HeavyDBSqlOperatorTable.java.

Constructor & Destructor Documentation

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

inline

Definition at line 1752 of file HeavyDBSqlOperatorTable.java.

                  {
      super("HASH",
              SqlKind.OTHER_FUNCTION,
              null,
              null,
              OperandTypes.family(getSignatureFamilies()),
              SqlFunctionCategory.SYSTEM);
    }

Member Function Documentation

static java.util.List<SqlTypeFamily> com.mapd.calcite.parser.HeavyDBSqlOperatorTable.Hash.getSignatureFamilies ( )

inlinestaticprivate

Definition at line 1761 of file HeavyDBSqlOperatorTable.java.

References heavydb.dtypes.STRING.

                                                                        {
      java.util.ArrayList<SqlTypeFamily> families =
              new java.util.ArrayList<SqlTypeFamily>();
      // Todo(todd): Support any input type for HASH function
      // families.add(SqlTypeFamily.ANY);
      families.add(SqlTypeFamily.STRING);
      return families;
    }

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

inline

Definition at line 1771 of file HeavyDBSqlOperatorTable.java.

                                                                     {
      assert opBinding.getOperandCount() == 1;
      final RelDataTypeFactory typeFactory = opBinding.getTypeFactory();
      return typeFactory.createTypeWithNullability(
              typeFactory.createSqlType(SqlTypeName.BIGINT),
              opBinding.getOperandType(0).isNullable());
    }

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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