public class SqlJsonExistsFunction extends SqlFunction
JSON_EXISTS
function.kind, MDX_PRECEDENCE, NL
Constructor and Description |
---|
SqlJsonExistsFunction() |
Modifier and Type | Method and Description |
---|---|
java.lang.String |
getSignatureTemplate(int operandsCount)
Returns a template describing how the operator signature is to be built.
|
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.
|
deriveType, getFunctionType, getNameAsId, getParamNames, getParamTypes, getSqlIdentifier, getSyntax, isQuantifierAllowed, validateCall, validateQuantifier
acceptCall, acceptCall, adjustType, allowsFraming, argumentMustBeScalar, checkOperandCount, checkOperandTypes, constructArgNameList, constructArgTypeList, constructOperandList, createCall, createCall, createCall, createCall, equals, getAllowedSignatures, getAllowedSignatures, getKind, getLeftPrec, getMonotonicity, getMonotonicity, getName, getOperandCountRange, getOperandTypeChecker, getOperandTypeInference, getReturnTypeInference, getRightPrec, hashCode, inferReturnType, inferReturnType, isAggregator, isDeterministic, isDynamicFunction, isGroup, isGroupAuxiliary, isName, leftPrec, preValidateCall, requiresDecimalExpansion, requiresOrder, requiresOver, rewriteCall, rightPrec, toString, unparseListClause, unparseListClause, validateOperands, validRexOperands
public java.lang.String getSignatureTemplate(int operandsCount)
SqlOperator
getSignatureTemplate
in class SqlOperator
operandsCount
- is used with functions that can take a variable
number of operandspublic void unparse(SqlWriter writer, SqlCall call, int leftPrec, int rightPrec)
SqlOperator
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)
.
unparse
in class SqlFunction
Copyright © 2012–2019 The Apache Software Foundation. All rights reserved.