public class SqlReturnTypeInferenceChain extends Object implements SqlReturnTypeInference
SqlReturnTypeInferencerules in a given order. If a rule fails to find a return type (by returning NULL), next rule is tried until there are no more rules in which case NULL will be returned.
|Modifier and Type||Method and Description|
Infers the return type of a call to an
public RelDataType inferReturnType(SqlOperatorBinding opBinding)
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