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

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

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

Public Member Functions
List< String >	getParamNames ()
RelDataType	inferReturnType (SqlOperatorBinding opBinding)

Package Functions
	ExtFunction (final String name, final ExtensionFunction sig)

Private Attributes
final ExtensionFunction	sig
final List< String >	arg_names

Detailed Description

Definition at line 2888 of file HeavyDBSqlOperatorTable.java.

Constructor & Destructor Documentation

com.mapd.calcite.parser.HeavyDBSqlOperatorTable.ExtFunction.ExtFunction ( final String  name, final ExtensionFunction  sig  )

inlinepackage

Definition at line 2889 of file HeavyDBSqlOperatorTable.java.

References com.mapd.parser.server.ExtensionFunction.toSqlSignature().

                                                                {
      super(name,
              SqlKind.OTHER_FUNCTION,
              null,
              null,
              OperandTypes.family(sig.toSqlSignature()),
              SqlFunctionCategory.USER_DEFINED_FUNCTION);
      this.sig = sig;
      arg_names = sig.getArgNames();
    }

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Member Function Documentation

List<String> com.mapd.calcite.parser.HeavyDBSqlOperatorTable.ExtFunction.getParamNames ( )

inline

Definition at line 2901 of file HeavyDBSqlOperatorTable.java.

                                        {
      return arg_names;
    }

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

inline

Definition at line 2906 of file HeavyDBSqlOperatorTable.java.

References com.mapd.parser.server.ExtensionFunction.getValueType(), and com.mapd.parser.server.ExtensionFunction.isArrayType().

                                                                     {
      final RelDataTypeFactory typeFactory = opBinding.getTypeFactory();
      if (ExtensionFunction.isArrayType(sig.getRet())) {
        SqlTypeName valueType =
                toSqlTypeName(ExtensionFunction.getValueType(sig.getRet()));
        RelDataType subType = typeFactory.createSqlType(valueType, -1);
        RelDataType arr = typeFactory.createArrayType(subType, -1);
        // should the return type nullable property be true?
        return arr;
      } else {
        SqlTypeName ret = sig.getSqlRet();
        return typeFactory.createTypeWithNullability(
                typeFactory.createSqlType(ret), true);
      }
    }

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Member Data Documentation

final List<String> com.mapd.calcite.parser.HeavyDBSqlOperatorTable.ExtFunction.arg_names

private

Definition at line 2923 of file HeavyDBSqlOperatorTable.java.

final ExtensionFunction com.mapd.calcite.parser.HeavyDBSqlOperatorTable.ExtFunction.sig

private

Definition at line 2922 of file HeavyDBSqlOperatorTable.java.

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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