Profiler Object:Column-Based Value Frequency Table Iteration: Difference between revisions

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==StartDataFrequency==
==StartDataFrequency==
This function initiates the iterator.
This function initiates the iterator. It returns 1 to indicate if there are records to iterate through. Otherwise it returns 0.


This function takes two parameters.
This function takes two parameters.
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{{Object Syntax
{{Object Syntax
|Syntax=profiler->StartDataFrequency(columnNameStr, Order);
|Syntax=int = profiler->StartDataFrequency(columnNameStr, Order);
|C=mdProfilerStartDataFrequency(profiler,columnNameStr, Order);
|C=int = mdProfilerStartDataFrequency(profiler,columnNameStr, Order);
|.Net=profiler.StartDataFrequency(columnNameStr, Order);
|.Net=integer = profiler.StartDataFrequency(columnNameStr, Order);
}}
}}



Latest revision as of 16:21, 15 May 2015

← Profiler Object Reference

Profiler Object Interface Navigation
Initialization
Object Information
Enumeration Listing and Parsing
Column Specification
Initiate Profiling
Data Input
Profiling
Table-Based Statistics
Column-Based Statistics
Column-Based String Statistics
Column-Based Numeric Statistics
Column-Based Date/Time Statistics
Column-Based Name Statistics
Column-Based State/Province Statistics
Column-Based Zip/Postal Code Statistics
Column-Based Country Statistics
Column-Based Email Statistics
Column-Based Phone Statistics
Frequency Iterators
Column-Based Value Frequency Table Iteration
Column-Based Value Length Frequency Table Iteration
Column-Based Value Pattern Table Iteration
Column-Based Value Date/Time Table Iteration
Column-Based Value SoundEx Table Iteration
Column-Based Word Table Iteration
Column-Based Word Length Table Iteration
Result Codes
Profiler Object Result Codes
Result Codes


These functions allow you to step through each distinct value for a specific column.

StartDataFrequency

This function initiates the iterator. It returns 1 to indicate if there are records to iterate through. Otherwise it returns 0.

This function takes two parameters.

Parameters

Name Data Type Description
ColumnName String Column Name to start the iterator.
Order Order This specifies how to order. See Order Enumeration for details.


Syntax int = profiler->StartDataFrequency(columnNameStr, Order);
C int = mdProfilerStartDataFrequency(profiler,columnNameStr, Order);
.Net integer = profiler.StartDataFrequency(columnNameStr, Order);


GetDataFrequencyValue

This function returns a column's distinct value.

This function takes one parameter.

Parameters

Name Data Type Description
ColumnName String Column Name to get the column’s distinct value.


Syntax profiler->GetDataFrequencyValue(columnNameStr);
C const char* = mdProfilerGetDataFrequencyValue(profiler,columnNameStr);
.Net string = profiler.GetDataFrequencyValue(columnNameStr);


GetDataFrequencyCount

This function returns the number of times the value appeared in the profiled data for this particular column.

This function takes one parameter.

Parameters

Name Data Type Description
ColumnName String Column Name to get the number of times the value appeared in the profiled data.


Syntax profiler->GetDataFrequencyCount(columnNameStr);
C integer = mdProfilerGetDataFrequencyCount(profiler,columnNameStr);
.Net integer = profiler.GetDataFrequencyCount(columnNameStr);


GetNextDataFrequency

This function steps to the next distinct value. It returns 1 if there are more distinct values and 0 when there are no more values.

This function takes one parameter.

Parameters

Name Data Type Description
ColumnName String Column Name to get the next distinct value.


Syntax profiler->GetNextDataFrequency(columnNameStr);
C integer = mdProfilerGetNextDataFrequency(profiler,columnNameStr);
.Net integer = profiler.GetNextDataFrequency(columnNameStr);