We have three kinds of restricting capacities. They are:
Data Selection Functions,
Data Manipulation Functions, and
Data Serialization Functions
By Using Binding capacities, we can get the information from the progression, control it, serialize it and make it utilized by the objective advance. These capacities can be utilized on information like scalars (0, 'This is Einstein examination's or invalid), one and two dimensional arrays. Binding capacities are settled capacities and must contain one information choice capacity, one serialization work and any number of control capacities.
Here in the determination restricting precedent when we tap on any Owner in the main diagram the second outline changes. As we send the Owner section as a question, when a specific proprietor is chosen the dashboard changes according to that.
Data Selection Function:The source information is chosen by determination work. It can either be a determination or consequence of a stage which returns table of information. In which sections ought to have names and columns must contain a file (begins with 0). We can choose segments or pushes or a cell for binding. When one line and one section is chosen, it returns one dimensional exhibit or on the off chance that it chooses numerous lines and segments then it returns two-dimensional cluster or if a cell is chosen, at that point it restores a scalar esteem.
We have three types of selection functions; they are Cell Function, Row Function:
Column Function. Cell Function:Returns a solitary cell of scalar information, where push record ought to be a whole number and a segment name ought to be a string and the phone should exist.
Row Function: Returns one line of information as one dimensional cluster, or different lines which as two dimensional exhibits.
Column Function: Returns one section of information as one dimensional exhibit, or numerous segments which as two dimensional cluster.
Data Manipulation Function:This capacity controls the information which is required according to the information serialization work. This capacity can be connected on the aftereffects of a determination work or even on the consequence of another control work. The info can be invalid, assuming this is the case, it will restore an invalid value. If there is no prerequisite for the information control capacities, we can straightforwardly add a serialization capacity to the aftereffects of information determination work.
The information control capacities are as per the following:
1. Coalesce function: It is utilized to give a default esteem when invalid esteem is returned.
2. Concat Function: Concates information from numerous sources and returns as an a couple of dimensional exhibit.
3. Flatten Function: It straightens a 2 dimensional exhibit to a solitary dimensional cluster.
4. Join Function: Converts a couple of dimensional cluster into a string.
5. Slice Function: From one dimensional cluster gives first and alternatively the end position and returns the one dimensional exhibit. It underpins negative records.
6. toArray Funtion: This capacity essentially changes over the information to exhibit, for instance if the information is in scalar shape it changes to one dimensional cluster or in the event that it is in one dimensional exhibit then it changes to a two dimensional exhibit.
7. valueAt Function: As the name proposes, it gives the estimation of a specific list which is asked for.
Data Serialization Functions: This capacity changes over the information according to the coupling prerequisite.
The below are the different types of serialization functions:
1. asDateRange(): this function returns date range filter..
2. asEquality(): this function returns 'equals to' or 'contains in' filter.
3. asGrouping(): this function is used to return a single or multiple groups.
4. asObject(): this function returns data as object.
5. asOrder(): this function returns sorting order.
6. asProjection(): this function is used to project a field in step.
7. asRange(): This function returns a range filter.
8. asString(): this function returns a string.
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