org.eigenbase.sql.fun
Class SqlFloorFunction

java.lang.Object
  org.eigenbase.sql.SqlOperator
      org.eigenbase.sql.SqlFunction
          org.eigenbase.sql.fun.SqlFloorFunction

public class SqlFloorFunction
extends SqlFunction

Definition of the "FLOOR" builtin SQL function.

Since:

May 28, 2004

Version:

$Id: //open/dev/farrago/src/org/eigenbase/sql/fun/SqlFloorFunction.java#10 $

Author:

jack

Field Summary

Fields inherited from class org.eigenbase.sql.SqlOperator

MaxPrec, NL

Constructor Summary

SqlFloorFunction()

Method Summary

SqlMonotonicity

getMonotonicity(SqlCall call, SqlValidatorScope scope) Returns whether this operator is monotonic.

Methods inherited from class org.eigenbase.sql.SqlFunction

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

Methods inherited from class org.eigenbase.sql.SqlOperator

acceptCall, acceptCall, adjustType, argumentMustBeScalar, checkOperandCount, checkOperandTypes, createCall, createCall, createCall, createCall, equals, getAllowedSignatures, getAllowedSignatures, getKind, getLeftPrec, getName, getOperandCountRange, getOperandTypeChecker, getOperandTypeInference, getReturnTypeInference, getRightPrec, getSignatureTemplate, hashCode, inferReturnType, inferReturnType, isAggregator, isDeterministic, isDynamicFunction, isName, leftPrec, preValidateCall, requiresDecimalExpansion, rewriteCall, rightPrec, toString, unparseListClause, unparseListClause, validateOperands

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlFloorFunction

public SqlFloorFunction()

Method Detail

getMonotonicity

public SqlMonotonicity getMonotonicity(SqlCall call,
                                       SqlValidatorScope scope)

Description copied from class: SqlOperator

Returns whether this operator is monotonic.

Default implementation returns SqlMonotonicity.NotMonotonic.

Overrides:

getMonotonicity in class SqlOperator

Parameters:

call - Call to this operator

scope - Scope in which the call occurs