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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 369 of file HeavyDBSqlOperatorTable.java.

Constructor & Destructor Documentation

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

Definition at line 370 of file HeavyDBSqlOperatorTable.java.

370  {
371  super("MyUDF",
372  SqlKind.OTHER_FUNCTION,
373  null,
374  null,
375  OperandTypes.STRING_STRING,
376  SqlFunctionCategory.SYSTEM);
377  }

Member Function Documentation

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

Definition at line 380 of file HeavyDBSqlOperatorTable.java.

380  {
381  final RelDataTypeFactory typeFactory = opBinding.getTypeFactory();
382  return typeFactory.createSqlType(SqlTypeName.BIGINT);
383  }

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