com.mapd.parser.extension.ddl.SqlLeadLag Class Reference

Inheritance diagram for com.mapd.parser.extension.ddl.SqlLeadLag:

Collaboration diagram for com.mapd.parser.extension.ddl.SqlLeadLag:

Public Member Functions
	SqlLeadLag (String functionName, SqlKind kind)
boolean	allowsFraming ()
boolean	allowsNullTreatment ()

Static Private Member Functions
static RelDataType	transformType (SqlOperatorBinding binding, RelDataType type)

Static Private Attributes
static final SqlSingleOperandTypeChecker	OPERAND_TYPES
static final SqlReturnTypeInference	RETURN_TYPE

Detailed Description

Definition at line 33 of file SqlLeadLag.java.

Constructor & Destructor Documentation

com.mapd.parser.extension.ddl.SqlLeadLag.SqlLeadLag ( String  functionName, SqlKind  kind  )

inline

Definition at line 51 of file SqlLeadLag.java.

References com.mapd.parser.extension.ddl.SqlLeadLag.OPERAND_TYPES, and com.mapd.parser.extension.ddl.SqlLeadLag.RETURN_TYPE.

                                                       {
    super(functionName,
            null,
            kind,
            RETURN_TYPE,
            null,
            OPERAND_TYPES,
            SqlFunctionCategory.NUMERIC,
            false,
            true,
            Optionality.FORBIDDEN);
    Preconditions.checkArgument(kind == SqlKind.LEAD || kind == SqlKind.LAG);
  }

Member Function Documentation

boolean com.mapd.parser.extension.ddl.SqlLeadLag.allowsFraming ( )

inline

Definition at line 77 of file SqlLeadLag.java.

                                 {
    return true;
  }

boolean com.mapd.parser.extension.ddl.SqlLeadLag.allowsNullTreatment ( )

inline

Definition at line 82 of file SqlLeadLag.java.

                                       {
    return true;
  }

static RelDataType com.mapd.parser.extension.ddl.SqlLeadLag.transformType ( SqlOperatorBinding  binding, RelDataType  type  )

inlinestaticprivate

Definition at line 66 of file SqlLeadLag.java.

References shared.transform().

                                                                                         {
    SqlTypeTransform transform =
            binding.getOperandCount() < 3 || binding.getOperandType(2).isNullable()
            ? SqlTypeTransforms.FORCE_NULLABLE
            : SqlTypeTransforms.TO_NOT_NULLABLE;
    return transform.transformType(binding, type);
  }

Here is the call graph for this function:

Member Data Documentation

final SqlSingleOperandTypeChecker com.mapd.parser.extension.ddl.SqlLeadLag.OPERAND_TYPES

staticprivate

Initial value:

=
          OperandTypes.or(OperandTypes.ANY,
                  OperandTypes.family(SqlTypeFamily.ANY, SqlTypeFamily.NUMERIC),
                  OperandTypes.and(OperandTypes.family(SqlTypeFamily.ANY,
                                           SqlTypeFamily.NUMERIC,
                                           SqlTypeFamily.ANY),
                          
                          new SameOperandTypeChecker(3) {
                            @Override
                            protected List<Integer> getOperandList(int operandCount) {
                              return ImmutableList.of(0, 2);
                            }
                          }))

Definition at line 34 of file SqlLeadLag.java.

Referenced by com.mapd.parser.extension.ddl.SqlLeadLag.SqlLeadLag().

final SqlReturnTypeInference com.mapd.parser.extension.ddl.SqlLeadLag.RETURN_TYPE

staticprivate

Initial value:

=
          ReturnTypes.ARG0.andThen(SqlLeadLag::transformType)

Definition at line 48 of file SqlLeadLag.java.

Referenced by com.mapd.parser.extension.ddl.SqlLeadLag.SqlLeadLag().

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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/parser/extension/ddl/SqlLeadLag.java