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com.mapd.calcite.parser.HeavyDBSqlOperatorTable.MyUDFFunction Class Reference
+ Inheritance diagram for com.mapd.calcite.parser.HeavyDBSqlOperatorTable.MyUDFFunction:
+ Collaboration diagram for com.mapd.calcite.parser.HeavyDBSqlOperatorTable.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 410 of file

Constructor & Destructor Documentation

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

Definition at line 411 of file

411  {
412  super("MyUDF",
414  null,
415  null,
416  OperandTypes.STRING_STRING,
417  SqlFunctionCategory.SYSTEM);
418  }

Member Function Documentation

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

Definition at line 421 of file

421  {
422  final RelDataTypeFactory typeFactory = opBinding.getTypeFactory();
423  return typeFactory.createSqlType(SqlTypeName.BIGINT);
424  }

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