Release v1.11.2

- Add built-in functions.
  - Aggregate Functions
    - STDEV
    - STDEVP
    - VAR
    - VARP
  - Analytic Functions
    - STDEV
    - STDEVP
    - VAR
    - VARP

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Change Log
 
+## Version 1.11.2
+
+Released on May 26, 2019
+
+- Add built-in functions.
+  - Aggregate Functions
+    - STDEV
+    - STDEVP
+    - VAR
+    - VARP
+  - Analytic Functions
+    - STDEV
+    - STDEVP
+    - VAR
+    - VARP
+
 ## Version 1.11.1
 
 Released on May 19, 2019

docs/_posts/2006-01-02-aggregate-functions.md

@@ -16,14 +16,18 @@ Aggregate Functions can be used only in [Select Clause]({{ '/reference/select-qu
 
 | name | description |
 | :- | :- |
-| [COUNT](#count) | Return a number of values |
-| [MIN](#min) | Return a minimum value |
-| [MAX](#max) | Return a maximum value |
-| [SUM](#sum) | Return a sum of values |
-| [AVG](#avg) | Return a average of values |
-| [MEDIAN](#median) | Return a median of values |
-| [LISTAGG](#listagg) | Return a concatenated string of values |
-| [JSON_AGG](#json_agg) | Return a string formatted in JSON array |
+| [COUNT](#count)       | Return the number of values |
+| [MIN](#min)           | Return the minimum value |
+| [MAX](#max)           | Return the maximum value |
+| [SUM](#sum)           | Return the sum of values |
+| [AVG](#avg)           | Return the average of values |
+| [STDEV](#stdev)       | Return the sample standard deviation of values |
+| [STDEVP](#stdevp)     | Return the population standard deviation of values |
+| [VAR](#var)           | Return the sample variance of values |
+| [VARP](#varp)         | Return the population variance of values |
+| [MEDIAN](#median)     | Return the median of values |
+| [LISTAGG](#listagg)   | Return the concatenated string of values |
+| [JSON_AGG](#json_agg) | Return the string formatted in JSON array |
 
 ## Definitions
 
@@ -115,6 +119,72 @@ _return_
 Returns the average of float values of _expr_.
 If all values are null, then returns a null.
 
+### STDEV
+{: #stdev}
+
+```
+STDEV([DISTINCT] expr)
+```
+
+_expr_
+: [value]({{ '/reference/value.html' | relative_url }})
+
+_return_
+: [float]({{ '/reference/value.html#float' | relative_url }}) or [integer]({{ '/reference/value.html#integer' | relative_url }})
+
+Returns the sample standard deviation of float values of _expr_.
+If all values are null, then returns a null.
+
+### STDEVP
+{: #stdevp}
+
+```
+STDEVP([DISTINCT] expr)
+```
+
+_expr_
+: [value]({{ '/reference/value.html' | relative_url }})
+
+_return_
+: [float]({{ '/reference/value.html#float' | relative_url }}) or [integer]({{ '/reference/value.html#integer' | relative_url }})
+
+Returns the population standard deviation of float values of _expr_.
+If all values are null, then returns a null.
+
+### VAR
+{: #var}
+
+```
+VAR([DISTINCT] expr)
+```
+
+_expr_
+: [value]({{ '/reference/value.html' | relative_url }})
+
+_return_
+: [float]({{ '/reference/value.html#float' | relative_url }}) or [integer]({{ '/reference/value.html#integer' | relative_url }})
+
+Returns the sample variance of float values of _expr_.
+If all values are null, then returns a null.
+
+
+### VARP
+{: #varp}
+
+```
+VARP([DISTINCT] expr)
+```
+
+_expr_
+: [value]({{ '/reference/value.html' | relative_url }})
+
+_return_
+: [float]({{ '/reference/value.html#float' | relative_url }}) or [integer]({{ '/reference/value.html#integer' | relative_url }})
+
+Returns the population variance of float values of _expr_.
+If all values are null, then returns a null.
+
+
 ### MEDIAN
 {: #median}
 

docs/_posts/2006-01-02-analytic-functions.md

@@ -27,6 +27,10 @@ Analytic Functions can be used only in [Select Clause]({{ '/reference/select-que
 | [MAX](#max)                   | Return the maximum value in a group |
 | [SUM](#sum)                   | Return the sum of values in a group |
 | [AVG](#avg)                   | Return the average of values in a group |
+| [STDEV](#stdev)               | Return the sample standard deviation of values |
+| [STDEVP](#stdevp)             | Return the population standard deviation of values |
+| [VAR](#var)                   | Return the sample variance of values |
+| [VARP](#varp)                 | Return the population variance of values |
 | [MEDIAN](#median)             | Return the median of values in a group |
 | [LISTAGG](#listagg)           | Return the concatenated string of values in a group |
 | [JSON_AGG](#json_agg)         | Return the string formatted in JSON array of values in a group |
@@ -444,6 +448,86 @@ Returns the average of float values of _expr_.
 If all values are null, then returns a null.
 
 
+### STDEV
+{: #stdev}
+
+```
+STDEV([DISTINCT] expr) OVER ([partition_clause] [order_by_clause [windowing_clause]])
+```
+
+_expr_
+: [value]({{ '/reference/value.html' | relative_url }})
+
+_partition_clause_
+: [Partition Clause](#syntax)
+
+_return_
+: [float]({{ '/reference/value.html#float' | relative_url }}) or [integer]({{ '/reference/value.html#integer' | relative_url }})
+
+Returns the sample standard deviation of float values of _expr_.
+If all values are null, then returns a null.
+
+
+### STDEVP
+{: #stdevp}
+
+```
+STDEVP([DISTINCT] expr) OVER ([partition_clause] [order_by_clause [windowing_clause]])
+```
+
+_expr_
+: [value]({{ '/reference/value.html' | relative_url }})
+
+_partition_clause_
+: [Partition Clause](#syntax)
+
+_return_
+: [float]({{ '/reference/value.html#float' | relative_url }}) or [integer]({{ '/reference/value.html#integer' | relative_url }})
+
+Returns the population standard deviation of float values of _expr_.
+If all values are null, then returns a null.
+
+
+### VAR
+{: #var}
+
+```
+VAR([DISTINCT] expr) OVER ([partition_clause] [order_by_clause [windowing_clause]])
+```
+
+_expr_
+: [value]({{ '/reference/value.html' | relative_url }})
+
+_partition_clause_
+: [Partition Clause](#syntax)
+
+_return_
+: [float]({{ '/reference/value.html#float' | relative_url }}) or [integer]({{ '/reference/value.html#integer' | relative_url }})
+
+Returns the sample variance of float values of _expr_.
+If all values are null, then returns a null.
+
+
+### VARP
+{: #varp}
+
+```
+VARP([DISTINCT] expr) OVER ([partition_clause] [order_by_clause [windowing_clause]])
+```
+
+_expr_
+: [value]({{ '/reference/value.html' | relative_url }})
+
+_partition_clause_
+: [Partition Clause](#syntax)
+
+_return_
+: [float]({{ '/reference/value.html#float' | relative_url }}) or [integer]({{ '/reference/value.html#integer' | relative_url }})
+
+Returns the population variance of float values of _expr_.
+If all values are null, then returns a null.
+
+
 ### MEDIAN
 {: #median}
 

docs/_posts/2006-01-02-statement.md

@@ -224,9 +224,9 @@ NATURAL NEXT NOT NTH_VALUE NTILE NULL
 OFFSET ON OPEN OR ORDER OUTER OVER
 PARTITION PERCENT PERCENT_RANK PRECEDING PREPARE PRINT PRINTF PRIOR PWD
 RANGE RANK RECURSIVE RELATIVE RELOAD REMOVE RENAME REPLACE RETURN RIGHT ROLLBACK ROW ROW_NUMBER
-SELECT SEPARATOR SET SHOW SOURCE STDIN SUM SYNTAX
+SELECT SEPARATOR SET SHOW SOURCE STDEV STDEVP STDIN SUM SYNTAX
 TABLE THEN TO TRIGGER TRUE
 UNBOUNDED UNION UNKNOWN UNSET UPDATE USING
-VALUES VAR VIEW
+VALUES VAR VARP VIEW
 WHEN WHERE WHILE WITH WITHIN
 

docs/changelog.md

@@ -5,6 +5,22 @@ title: Change Log - csvq
 
 # Change Log
 
+## Version 1.11.2
+
+Released on May 26, 2019
+
+- Add built-in functions.
+  - Aggregate Functions
+    - STDEV
+    - STDEVP
+    - VAR
+    - VARP
+  - Analytic Functions
+    - STDEV
+    - STDEVP
+    - VAR
+    - VARP
+
 ## Version 1.11.1
 
 Released on May 19, 2019

docs/index.md

@@ -13,10 +13,10 @@ In the multiple operations, you can use variables, cursors, temporary tables, an
 
 ## Latest Release
 
-Version 1.11.1
-: Released on May 19, 2019
+Version 1.11.2
+: Released on May 26, 2019
 
-  <a class="waves-effect waves-light btn" href="https://github.com/mithrandie/csvq/releases/tag/v1.11.1">
+  <a class="waves-effect waves-light btn" href="https://github.com/mithrandie/csvq/releases/tag/v1.11.2">
     <i class="material-icons left">file_download</i>download
   </a>
 

docs/sitemap.xml

@@ -6,7 +6,7 @@
             http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">
     <url>
         <loc>https://mithrandie.github.io/csvq/</loc>
-        <lastmod>2019-05-24T10:47:33+00:00</lastmod>
+        <lastmod>2019-05-26T15:57:34+00:00</lastmod>
     </url>
     <url>
         <loc>https://mithrandie.github.io/csvq/reference.html</loc>
@@ -142,7 +142,7 @@
     </url>
     <url>
         <loc>https://mithrandie.github.io/csvq/reference/aggregate-functions.html</loc>
-        <lastmod>2018-10-13T15:53:22+00:00</lastmod>
+        <lastmod>2019-05-26T15:33:36+00:00</lastmod>
     </url>
     <url>
         <loc>https://mithrandie.github.io/csvq/reference/logical-functions.html</loc>
@@ -174,7 +174,7 @@
     </url>
     <url>
         <loc>https://mithrandie.github.io/csvq/reference/analytic-functions.html</loc>
-        <lastmod>2018-10-13T15:53:22+00:00</lastmod>
+        <lastmod>2019-05-26T15:33:36+00:00</lastmod>
     </url>
     <url>
         <loc>https://mithrandie.github.io/csvq/changelog.html</loc>