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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.

342  {
343  super("MyUDF",
344  SqlKind.OTHER_FUNCTION,
345  null,
346  null,
347  OperandTypes.STRING_STRING,
348  SqlFunctionCategory.SYSTEM);
349  }

Member Function Documentation

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

Definition at line 352 of file MapDSqlOperatorTable.java.

References BIGINT.

352  {
353  final RelDataTypeFactory typeFactory = opBinding.getTypeFactory();
354  return typeFactory.createSqlType(SqlTypeName.BIGINT);
355  }
#define BIGINT

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