Package org.apache.calcite.sql.fun
Class SqlDefaultOperator
- java.lang.Object
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- org.apache.calcite.sql.SqlOperator
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- org.apache.calcite.sql.SqlSpecialOperator
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- org.apache.calcite.sql.fun.SqlDefaultOperator
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class SqlDefaultOperator extends SqlSpecialOperator
Operator that indicates that an argument to a function call is to take its default value.Not an expression; just a holder to represent syntax until the validator has chance to resolve arguments.
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.calcite.sql.SqlSpecialOperator
SqlSpecialOperator.ReduceResult, SqlSpecialOperator.TokenSequence
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Field Summary
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Fields inherited from class org.apache.calcite.sql.SqlOperator
kind, MDX_PRECEDENCE, NL
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Constructor Summary
Constructors Constructor Description SqlDefaultOperator()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
unparse(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec)
Writes a SQL representation of a call to this operator to a writer, including parentheses if the operators on either side are of greater precedence.-
Methods inherited from class org.apache.calcite.sql.SqlSpecialOperator
getSyntax, reduceExpr
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Methods inherited from class org.apache.calcite.sql.SqlOperator
acceptCall, acceptCall, adjustType, allowsFraming, argumentMustBeScalar, checkOperandCount, checkOperandTypes, constructArgNameList, constructArgTypeList, constructOperandList, createCall, createCall, createCall, createCall, deriveType, equals, getAllowedSignatures, getAllowedSignatures, getKind, getLeftPrec, getMonotonicity, getMonotonicity, getName, getNameAsId, getOperandCountRange, getOperandTypeChecker, getOperandTypeInference, getReturnTypeInference, getRightPrec, getSignatureTemplate, hashCode, inferReturnType, inferReturnType, isAggregator, isDeterministic, isDynamicFunction, isGroup, isGroupAuxiliary, isName, leftPrec, preValidateCall, requiresDecimalExpansion, requiresOrder, requiresOver, rewriteCall, rightPrec, toString, unparseListClause, unparseListClause, validateCall, validateOperands, validRexOperands
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Method Detail
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unparse
public void unparse(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec)
Description copied from class:SqlOperator
Writes a SQL representation of a call to this operator to a writer, including parentheses if the operators on either side are of greater precedence.The default implementation of this method delegates to
SqlSyntax.unparse(org.apache.calcite.sql.SqlWriter, org.apache.calcite.sql.SqlOperator, org.apache.calcite.sql.SqlCall, int, int)
.- Overrides:
unparse
in classSqlOperator
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