com.mapd.calcite.parser.MapDSqlOperatorTable.MyUDFFunction Class Reference

Inheritance diagram for com.mapd.calcite.parser.MapDSqlOperatorTable.MyUDFFunction:

Collaboration diagram for com.mapd.calcite.parser.MapDSqlOperatorTable.MyUDFFunction:

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

Detailed Description

"MyUDFFunction" user-defined function test. our udf's will look like system functions to calcite as it has no access to the code

Definition at line 341 of file MapDSqlOperatorTable.java.

Constructor & Destructor Documentation

com.mapd.calcite.parser.MapDSqlOperatorTable.MyUDFFunction.MyUDFFunction ( )

inline

Definition at line 342 of file MapDSqlOperatorTable.java.

                           {
      super("MyUDF",
              SqlKind.OTHER_FUNCTION,
              null,
              null,
              OperandTypes.STRING_STRING,
              SqlFunctionCategory.SYSTEM);
    }

Member Function Documentation

RelDataType com.mapd.calcite.parser.MapDSqlOperatorTable.MyUDFFunction.inferReturnType ( SqlOperatorBinding  opBinding )

inline

Definition at line 352 of file MapDSqlOperatorTable.java.

References BIGINT.

                                                                     {
      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/MapDSqlOperatorTable.java