700-MDX函数

eazyBI使用mondrian OLAP报告引擎和MDX查询语言实现。除了Mondrian提供的MDX函数外，eazyBI还定义了可用于计算成员公式的其他MDX函数。

Operators

Operator Description

CAST

CAST运算符将标量表达式转换为其他类型：数值、字符串或布尔值。T

表达式：CAST ( AS ).

MATCHES

MATCHES和NOT MATCHES运算符将一个字符串与另一个字符串或

regular expression.

Date Functions

Function	Description
DateAddDays	EAZYBI 返回日期加上指定的天数。
DateAddWorkdays	EAZYBI 返回日期加上指定的工作日数。
DateParse	EAZYBI 返回从字符串参数分析的日期。
DateSerial	返回指定年、月和日的日期。
DateToTimestamp	EAZYBI 将日期和时间从日期格式转换为时间戳格式（整数）。
DateWithoutTime	EAZYBI 从提供的日期或字符串参数返回不带时间的日期。
getDate	EAZYBI 类似于datetime函数，始终返回与成员相似的值
NextStartDate	EAZYBI 返回下一时间段的开始日期。
Now	根据eazyBI服务器系统的日期和时间返回当前日期和时间。
StartDate	EAZYBI 返回时间段开始日期。
TimestampToDate	EAZYBI 将日期和时间从时间戳格式（整数）转换为日期格式。

Hierarchy Functions

Function	Description
CurrentHierarchy	EAZYBI 返回当前成员的维度层次结构。
Hierarchy	返回包含指定成员或级别的层次结构。
Dimension	返回包含指定成员、级别或层次结构的维度。
Dimensions	返回由数值表达式或字符串表达式指定的层次结构。

Level Functions

Function	Description
Level	返回成员的级别。
Levels	返回其在维度或层次结构中的位置由数值表达式指定或其名称由字符串表达式指定的级别。

Logical Functions

Function	Description
AnyDateInPeriod	EAZYBI 返回逗号分隔字符串中的任何日期是否介于时段开始日期和结束日期之间。
IsEmpty	确定表达式的计算结果是否为空单元格值。
DateAfterPeriodEnd	EAZYBI 如果日期在时段结束日期之后，则返回真。
DateBeforePeriodEnd	EAZYBI 如果日期在时段结束日期之前，则返回真。
DateBetween	EAZYBI 如果日期在两个时间之间，则返回真。
DateInPeriod	EAZYBI 如果日期介于时段开始日期和结束日期之间，则返回真
getBoolean	EAZYBI 与get函数类似，但始终将成员属性值作为布尔真值或假值返回。

Member Functions

Function	Description
Ancestor	Returns the ancestor of a member at a specified level or distance.
ClosingPeriod	Returns the last sibling among the descendants of a member at a specified level.
CurrentDateMember	EAZYBI Returns the Time dimension hierarchy level member which contains current date.
CurrentHierarchyMember	EAZYBI Returns the current dimension hierarchy member.
CurrentMember	Returns the current member along a specified dimension or hierarchy during iteration.
CurrentUser	EAZYBI Returns a key value of the user (from all user dimensions, for example, Assignee, Logged By etc) which is currently using eazyBI.
CurrentUserEmail	EAZYBI Returns an email of the user which is currently using eazyBI.
CurrentUserName	EAZYBI Returns a name of the user which is currently using eazyBI.
DataMember	Returns the system-generated data member that is associated with a non-leaf member of a dimension.
DateMember	EAZYBI Return Time dimension level member that matches the provided date.
DateMembersBetween	EAZYBI Returns Time dimension level members between two dates.
DefaultMember	Returns the default member of a dimension or hierarchy.
FirstChild	Returns the first child of a member.
FirstSibling	Returns the first child of the parent of a member.
GetLinkedMember	EAZYBI Returns member with a specified key value in the same dimension and level.
GetLinkedMembers	EAZYBI Returns members with specified keys in the same dimension and level.
GetLinkedMemberName	EAZYBI Returns name of linked member with a specified key value in the same dimension and level.
GetLinkedMemberNames	EAZYBI Returns names of members with specified keys in the same dimension and level.
GetMemberByKey	EAZYBI Returns a level member with the specified key value.
GetMembersByKeys	EAZYBI Returns keys of level members with specified key values.
GetMemberNameByKey	EAZYBI Returns a level member name with the specified key value.
GetMemberNamesByKeys	EAZYBI Returns names of level members with the specified key values.
Item	Returns a member from a specified tuple.
Lag	Returns the member that is a specified number of positions before a specified member along the member's dimension.
LastChild	Returns the last child of a specified member.
LastSibling	Returns the last child of the parent of a specified member.
Lead	Returns the member that is a specified number of positions following a specified member along the member's dimension.
Members	Returns a member specified by a string expression.
NextMember	Returns the next member in the level that contains a specified member.
OpeningPeriod	Returns the first sibling among the descendants of a specified level, optionally at a specified member.
ParallelPeriod	Returns a member from a prior period in the same relative position as a specified member.
Parent	Returns the parent of a member.
PrevMember	Returns the previous member in the level that contains a specified member.
PreviousPeriods	EAZYBI Returns a set of previous time dimension members for calculation of cumulative sums.
StrToMember	Returns the member specified by an MDX–formatted string.

Numeric Functions

Function	Description
Abs	Returns the absolute value of a number.
Aggregate	Returns a calculated value using the appropriate aggregate function, based on the context of the query.
Avg	Returns the average value of a numeric expression evaluated.
CoalesceEmpty	Coalesces an empty cell value to a number or string and returns the coalesced value.
Correlation	Returns the correlation coefficient of two series evaluated over a set.
Count	Returns the number of tuples in a set.
Covariance	Returns the population covariance of two series evaluated over a set, using the biased population formula.
CovarianceN	Returns the sample covariance of two series evaluated over a set, using the unbiased population formula.
DateCompare	EAZYBI Returns -1 if first date is less than second date, 1 if first date is greater than second date, and 0 if dates are equal.
DateDiffDays	EAZYBI Returns difference in days from first date to second date.
DateDiffWorkdays	EAZYBI Returns difference in workdays from first date to second date.
DateDiffHours	EAZYBI Returns difference in hours from first date to second date.
DateDiffMinutes	EAZYBI Returns difference in minutes from first date to second date.
FirstQ	Returns the 1st quartile value of a numeric expression evaluated over a set.
getNumber	EAZYBI Similar to get function but will always return the member property value as a numeric value.
IIf	Returns one of two values determined by a logical test.
Len	Returns the number of characters in a string
LinRegIntercept	Calculates the linear regression of a set and returns the value of b in the regression line y = ax + b.
LinRegPoint	Calculates the linear regression of a set and returns the value of y in the regression line y = ax + b.
LinRegR2	Calculates the linear regression of a set and returns R2 (the coefficient of determination).
LinRegSlope	Calculates the linear regression of a set and returns the variance associated with the regression line y = ax + b.
Max	Returns the maximum value of a numeric expression evaluated over a set.
Median	Returns the median value of a numeric expression evaluated over a set.
Min	Returns the minimum value of a numeric expression evaluated over a set.
NonZero	EAZYBI Returns numeric value if non-zero.
Ordinal	Returns the zero-based ordinal value associated with a level.
Percentile	Returns the value of the tuple that is at a given percentile of a set.
Rank	Returns the one-based rank of a specified tuple in a specified set.
Round	Rounds the values in its first argument to the specified number of decimal places.
Stddev	Alias for Stdev.
StddevP	Alias for StdevP.
Stdev	Returns the sample standard deviation of a numeric expression evaluated over a set, using the unbiased population formula.
StdevP	Returns the population standard deviation of a numeric expression evaluated over a set, using the biased population formula.
Sum	Returns the sum of a numeric expression evaluated over a set.
ThirdQ	Returns the 3rd quartile value of a numeric expression evaluated over a set.
Val	Returns the numbers contained in a string as a numeric value of appropriate type.
Value	Returns the value of a measure.
Var	Returns the sample variance of a numeric expression evaluated over a set, using the unbiased population formula.
VarP	Returns the population variance of a numeric expression evaluated over a set, using the biased population formula.
Variance	Alias for Var.
VarianceP	Alias for VarP.

Set Functions

Function	Description
AddCalculatedMembers	Returns a set generated by adding calculated members to a specified set.
AllMembers	Returns a set that contains all members, including calculated members, of the specified dimension, hierarchy, or level.
Ascendants	Returns the set of the ascendants of a specified member, including the member itself.
BottomCount	Returns a specified number of items from the bottom of a set, optionally ordering the set first.
BottomPercent	Sorts a set and returns the bottom N elements whose cumulative total is at least a specified percentage.
BottomSum	Sorts a set and returns the bottom N elements whose cumulative total is at least a specified value.
Cache	Caches the result of the calculation in memory for query in execution. Can be useful when same calculation is repeated during the report more than once.
CascadingChildrenSet	EAZYBI Returns cascading children set of aggregate calculated member (set argument of Aggregate function). If any children member is also an aggregated calculated member then it is expanded to detailed members as well.
Children	Returns the children of a specified member.
ChildrenSet	EAZYBI Returns children set of aggregate calculated member (set argument of Aggregate function).
Crossjoin	Returns the cross product of two sets.
Descendants	Returns the set of descendants of a member at a specified level, optionally including or excluding descendants in other levels.
Distinct	Returns a set, removing duplicate tuples from a specified set.
DrilldownLevel	Drills down the members of a set, at a specified level, to one level below. Alternatively, drills down on a specified dimension in the set.
DrilldownLevelBottom	Drills down the bottommost members of a set, at a specified level, to one level below.
DrilldownLevelTop	Drills down the topmost members of a set, at a specified level, to one level below.
DrilldownMember	Drills down the members in a set that are present in a second specified set.
Except	Finds the difference between two sets, optionally retaining duplicates.
Exists	Returns the the set of tuples of the first set that exist with one or more tuples of the second set.
Extract	Returns a set of tuples from extracted dimension elements. The opposite of Crossjoin.
Filter	Returns the set resulting from filtering a set based on a search condition.
Generate	Applies a set to each member of another set, and then joins the resulting sets by union. Alternatively, this function returns a concatenated string created by evaluating a string expression over a set.
Head	Returns the first specified number of elements in a set.
Hierarchize	Orders the members of a set in a hierarchy.
Intersect	Returns the intersection of two input sets, optionally retaining duplicates.
LastPeriods	Returns a set of members prior to and including a specified member.
Members	Returns the set of members in a dimension, level, or hierarchy.
Mtd	Returns a set of sibling members from the same level as a given member, starting with the first sibling and ending with the given member, as constrained by the Year level in the Time dimension. A shortcut function for the PeriodsToDate function that specifies the level to be Month.
NonEmptyCrossJoin	Returns the cross product of two sets, excluding empty tuples and tuples without associated fact table data.
Order	Arranges members of a set, optionally preserving or breaking the hierarchy.
PeriodsToDate	Returns a set of periods (members) from a specified level starting with the first period and ending with a specified member.
Qtd	Returns a set of sibling members from the same level as a given member, starting with the first sibling and ending with the given member, as constrained by the Quarter level in the Time dimension. A shortcut function for the PeriodsToDate function that specifies the level to be Quarter.
Siblings	Returns the siblings of a specified member, including the member itself.
StrToSet	Returns the set specified by an MDX–formatted string.
StripCalculatedMembers	Returns a set generated by removing calculated members from a specified set.
Subset	Returns a subset of tuples from a specified set.
Tail	Returns a subset from the end of a set.
ToggleDrillState	Toggles the drill state of members.
TopCount	Returns a specified number of items from the top of a set, optionally ordering the set first.
TopPercent	Sorts a set and returns the top N elements whose cumulative total is at least a specified percentage.
TopSum	Sorts a set and returns the top N elements whose cumulative total is at least a specified value.
Union	Returns the union of two sets, optionally retaining duplicates.
Unorder	Removes any enforced ordering from a specified set.
VisibleRowsSet	EAZYBI Returns the set of all members which are visible on rows where each member is representing one row.
VisualTotals	Dynamically totals child members specified in a set using a pattern for the total label in the result set.
Wtd	Returns a set of sibling members from the same level as a given member, starting with the first sibling and ending with the given member, as constrained by the Week level in the Time dimension. A shortcut function for the PeriodsToDate function that specifies the level to be Week.
Ytd	Returns a set of sibling members from the same level as a given member, starting with the first sibling and ending with the given member, as constrained by the Year level in the Time dimension. A shortcut function for the PeriodsToDate function that specifies the level to be Year.

String Functions

Function	Description
AllProperties	EAZYBI Returns all property names and values for a member.
CoalesceEmpty	Coalesces an empty cell value to a number or string and returns the coalesced value.
ExtractString	EAZYBI Extracts string fragment using regular expression.
Format	Formats a number or date to a string.
Generate	Applies a set to each member of another set, and then joins the resulting sets by union. Alternatively, this function returns a concatenated string created by evaluating a string expression over a set.
get	EAZYBI Returns the member property value or empty result if the property does not exist.
getProperty	EAZYBI Alias for get.
getString	EAZYBI Similar to get function but will always return the member property value as a string value.
getMemberByKey	EAZYBI Returns level member name with specified key value.
IIF	Returns one of two values determined by a logical test.
Instr	Returns the position of the first occurrence of one string within another.
LCase	Returns a string that has been converted to lowercase.
LTrim	Returns a string containing a copy of a specified string without leading spaces.
Left	Returns a specified number of characters from the left side of a string.
Mid	Returns a specified number of characters from a string.
Name	Returns the name of a dimension, hierarchy, level, or member.
NonEmptyString	EAZYBI Returns the string if it is not empty (contains at least one character), otherwise returns an empty result.
Properties	Returns a string (or number or date type) that contains a member property value. It is recommended to use eazyBI specific get function instead.
RTrim	Returns a string containing a copy of a specified string without trailing spaces.
Replace	Returns a string in which a specified substring has been replaced with another substring a specified number of times.
Right	Returns a string containing a specified number of characters from the right side of a string.
SetToStr	Returns an MDX-formatted string of that corresponds to a specified set.
Str	Returns a string representation of a number.
Titleize	EAZYBI Returns titleized string.
Trim	Returns a string containing a copy of a specified string without leading and trailing spaces.
TupleToStr	Returns an MDX–formatted string that corresponds to specified tuple.
UCase	Returns a string that has been converted to uppercase.
UniqueName	Returns the unique name of a specified dimension, hierarchy, level, or member.

Tuple Functions

Function	Description
Current	Returns the current tuple from a set during iteration.
DefaultContext	EAZYBI Returns current tuple result assuming Default level for all other dimensions that are not specified in tuple.
Item	Returns a tuple from a set.
StrToTuple	Returns the tuple specified by an MDX–formatted string.

Page tree

700-MDX函数

Operators

Date Functions

Date Functions

Hierarchy Functions

Level Functions

Logical Functions

Member Functions

Numeric Functions

Set Functions

String Functions

Tuple Functions