Package org.apache.calcite.schema
Interface ScalarFunction
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- All Superinterfaces:
Function
- All Known Implementing Classes:
ScalarFunctionImpl
public interface ScalarFunction extends Function
Function that returns a scalar result.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description RelDataType
getReturnType(RelDataTypeFactory typeFactory)
Returns the return type of this function, constructed using the given type factory.-
Methods inherited from interface org.apache.calcite.schema.Function
getParameters
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Method Detail
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getReturnType
RelDataType getReturnType(RelDataTypeFactory typeFactory)
Returns the return type of this function, constructed using the given type factory.- Parameters:
typeFactory
- Type factory
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