org.apache.flink.sql.parser.expr

类 SqlUnresolvedTryCastFunction

java.lang.Object

org.apache.calcite.sql.SqlOperator

org.apache.calcite.sql.SqlFunction

org.apache.calcite.sql.SqlUnresolvedFunction

org.apache.flink.sql.parser.expr.SqlUnresolvedTryCastFunction

public class SqlUnresolvedTryCastFunction
extends org.apache.calcite.sql.SqlUnresolvedFunction

This is the unresolved version of TRY_CAST. We need it only for unparse.

字段概要

从类继承的字段 org.apache.calcite.sql.SqlOperator

kind, MDX_PRECEDENCE, NL

构造器概要

构造器

构造器和说明
SqlUnresolvedTryCastFunction(org.apache.calcite.sql.parser.SqlParserPos pos)

方法概要

限定符和类型	方法和说明
void	unparse(org.apache.calcite.sql.SqlWriter writer, org.apache.calcite.sql.SqlCall call, int leftPrec, int rightPrec)

从类继承的方法 org.apache.calcite.sql.SqlUnresolvedFunction

inferReturnType

从类继承的方法 org.apache.calcite.sql.SqlFunction

deriveType, getFunctionType, getNameAsId, getParamNames, getParamTypes, getSqlIdentifier, getSyntax, isQuantifierAllowed, validateCall, validateQuantifier

从类继承的方法 org.apache.calcite.sql.SqlOperator

acceptCall, acceptCall, adjustType, allowsFraming, argumentMustBeScalar, checkOperandCount, checkOperandTypes, constructArgNameList, constructArgTypeList, constructOperandList, createCall, createCall, createCall, createCall, createCall, createCall, createCall, equals, getAllowedSignatures, getAllowedSignatures, getKind, getLeftPrec, getMonotonicity, getMonotonicity, getName, getOperandCountRange, getOperandTypeChecker, getOperandTypeInference, getReturnTypeInference, getRightPrec, getSignatureTemplate, getStrongPolicyInference, hashCode, inferReturnType, isAggregator, isDeterministic, isDynamicFunction, isGroup, isGroupAuxiliary, isName, isSymmetrical, leftPrec, not, preValidateCall, requiresDecimalExpansion, requiresOrder, requiresOver, reverse, rewriteCall, rightPrec, toString, unparseListClause, unparseListClause, validateOperands, validRexOperands

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

SqlUnresolvedTryCastFunction

public SqlUnresolvedTryCastFunction(org.apache.calcite.sql.parser.SqlParserPos pos)

方法详细资料

unparse

public void unparse(org.apache.calcite.sql.SqlWriter writer,
                    org.apache.calcite.sql.SqlCall call,
                    int leftPrec,
                    int rightPrec)

覆盖:

unparse 在类中 org.apache.calcite.sql.SqlFunction