Update v2.1 functions and operators

Fixes #3627.
Fixes #3626.
Partially addresses #2982.

_includes/v2.1/sql/aggregates.md

@@ -29,8 +29,6 @@
 </span></td></tr>
 <tr><td><code>array_agg(arg1: oid) &rarr; oid[]</code></td><td><span class="funcdesc"><p>Aggregates the selected values into an array.</p>
 </span></td></tr>
-<tr><td><code>array_agg(arg1: timetz) &rarr; timetz[]</code></td><td><span class="funcdesc"><p>Aggregates the selected values into an array.</p>
-</span></td></tr>
 <tr><td><code>avg(arg1: <a href="decimal.html">decimal</a>) &rarr; <a href="decimal.html">decimal</a></code></td><td><span class="funcdesc"><p>Calculates the average of the selected values.</p>
 </span></td></tr>
 <tr><td><code>avg(arg1: <a href="float.html">float</a>) &rarr; <a href="float.html">float</a></code></td><td><span class="funcdesc"><p>Calculates the average of the selected values.</p>
@@ -83,8 +81,6 @@
 </span></td></tr>
 <tr><td><code>max(arg1: oid) &rarr; oid</code></td><td><span class="funcdesc"><p>Identifies the maximum selected value.</p>
 </span></td></tr>
-<tr><td><code>max(arg1: timetz) &rarr; timetz</code></td><td><span class="funcdesc"><p>Identifies the maximum selected value.</p>
-</span></td></tr>
 <tr><td><code>min(arg1: <a href="bool.html">bool</a>) &rarr; <a href="bool.html">bool</a></code></td><td><span class="funcdesc"><p>Identifies the minimum selected value.</p>
 </span></td></tr>
 <tr><td><code>min(arg1: <a href="bytes.html">bytes</a>) &rarr; <a href="bytes.html">bytes</a></code></td><td><span class="funcdesc"><p>Identifies the minimum selected value.</p>
@@ -115,8 +111,6 @@
 </span></td></tr>
 <tr><td><code>min(arg1: oid) &rarr; oid</code></td><td><span class="funcdesc"><p>Identifies the minimum selected value.</p>
 </span></td></tr>
-<tr><td><code>min(arg1: timetz) &rarr; timetz</code></td><td><span class="funcdesc"><p>Identifies the minimum selected value.</p>
-</span></td></tr>
 <tr><td><code>sqrdiff(arg1: <a href="decimal.html">decimal</a>) &rarr; <a href="decimal.html">decimal</a></code></td><td><span class="funcdesc"><p>Calculates the sum of squared differences from the mean of the selected values.</p>
 </span></td></tr>
 <tr><td><code>sqrdiff(arg1: <a href="float.html">float</a>) &rarr; <a href="float.html">float</a></code></td><td><span class="funcdesc"><p>Calculates the sum of squared differences from the mean of the selected values.</p>
@@ -129,6 +123,10 @@
 </span></td></tr>
 <tr><td><code>stddev(arg1: <a href="int.html">int</a>) &rarr; <a href="decimal.html">decimal</a></code></td><td><span class="funcdesc"><p>Calculates the standard deviation of the selected values.</p>
 </span></td></tr>
+<tr><td><code>string_agg(arg1: <a href="bytes.html">bytes</a>, arg2: <a href="bytes.html">bytes</a>) &rarr; <a href="bytes.html">bytes</a></code></td><td><span class="funcdesc"><p>Concatenates all selected values using the provided delimiter.</p>
+</span></td></tr>
+<tr><td><code>string_agg(arg1: <a href="string.html">string</a>, arg2: <a href="string.html">string</a>) &rarr; <a href="string.html">string</a></code></td><td><span class="funcdesc"><p>Concatenates all selected values using the provided delimiter.</p>
+</span></td></tr>
 <tr><td><code>sum(arg1: <a href="decimal.html">decimal</a>) &rarr; <a href="decimal.html">decimal</a></code></td><td><span class="funcdesc"><p>Calculates the sum of the selected values.</p>
 </span></td></tr>
 <tr><td><code>sum(arg1: <a href="float.html">float</a>) &rarr; <a href="float.html">float</a></code></td><td><span class="funcdesc"><p>Calculates the sum of the selected values.</p>

_includes/v2.1/sql/functions.md

@@ -31,8 +31,6 @@
 </span></td></tr>
 <tr><td><code>array_append(array: oid[], elem: oid) &rarr; oid[]</code></td><td><span class="funcdesc"><p>Appends <code>elem</code> to <code>array</code>, returning the result.</p>
 </span></td></tr>
-<tr><td><code>array_append(array: timetz[], elem: timetz) &rarr; timetz[]</code></td><td><span class="funcdesc"><p>Appends <code>elem</code> to <code>array</code>, returning the result.</p>
-</span></td></tr>
 <tr><td><code>array_cat(left: <a href="bool.html">bool</a>[], right: <a href="bool.html">bool</a>[]) &rarr; <a href="bool.html">bool</a>[]</code></td><td><span class="funcdesc"><p>Appends two arrays.</p>
 </span></td></tr>
 <tr><td><code>array_cat(left: <a href="bytes.html">bytes</a>[], right: <a href="bytes.html">bytes</a>[]) &rarr; <a href="bytes.html">bytes</a>[]</code></td><td><span class="funcdesc"><p>Appends two arrays.</p>
@@ -61,8 +59,6 @@
 </span></td></tr>
 <tr><td><code>array_cat(left: oid[], right: oid[]) &rarr; oid[]</code></td><td><span class="funcdesc"><p>Appends two arrays.</p>
 </span></td></tr>
-<tr><td><code>array_cat(left: timetz[], right: timetz[]) &rarr; timetz[]</code></td><td><span class="funcdesc"><p>Appends two arrays.</p>
-</span></td></tr>
 <tr><td><code>array_length(input: anyelement[], array_dimension: <a href="int.html">int</a>) &rarr; <a href="int.html">int</a></code></td><td><span class="funcdesc"><p>Calculates the length of <code>input</code> on the provided <code>array_dimension</code>. However, because CockroachDB doesn’t yet support multi-dimensional arrays, the only supported <code>array_dimension</code> is <strong>1</strong>.</p>
 </span></td></tr>
 <tr><td><code>array_lower(input: anyelement[], array_dimension: <a href="int.html">int</a>) &rarr; <a href="int.html">int</a></code></td><td><span class="funcdesc"><p>Calculates the minimum value of <code>input</code> on the provided <code>array_dimension</code>. However, because CockroachDB doesn’t yet support multi-dimensional arrays, the only supported <code>array_dimension</code> is <strong>1</strong>.</p>
@@ -95,8 +91,6 @@
 </span></td></tr>
 <tr><td><code>array_position(array: oid[], elem: oid) &rarr; <a href="int.html">int</a></code></td><td><span class="funcdesc"><p>Return the index of the first occurrence of <code>elem</code> in <code>array</code>.</p>
 </span></td></tr>
-<tr><td><code>array_position(array: timetz[], elem: timetz) &rarr; <a href="int.html">int</a></code></td><td><span class="funcdesc"><p>Return the index of the first occurrence of <code>elem</code> in <code>array</code>.</p>
-</span></td></tr>
 <tr><td><code>array_positions(array: <a href="bool.html">bool</a>[], elem: <a href="bool.html">bool</a>) &rarr; <a href="int.html">int</a>[]</code></td><td><span class="funcdesc"><p>Returns and array of indexes of all occurrences of <code>elem</code> in <code>array</code>.</p>
 </span></td></tr>
 <tr><td><code>array_positions(array: <a href="bytes.html">bytes</a>[], elem: <a href="bytes.html">bytes</a>) &rarr; <a href="int.html">int</a>[]</code></td><td><span class="funcdesc"><p>Returns and array of indexes of all occurrences of <code>elem</code> in <code>array</code>.</p>
@@ -125,8 +119,6 @@
 </span></td></tr>
 <tr><td><code>array_positions(array: oid[], elem: oid) &rarr; <a href="int.html">int</a>[]</code></td><td><span class="funcdesc"><p>Returns and array of indexes of all occurrences of <code>elem</code> in <code>array</code>.</p>
 </span></td></tr>
-<tr><td><code>array_positions(array: timetz[], elem: timetz) &rarr; <a href="int.html">int</a>[]</code></td><td><span class="funcdesc"><p>Returns and array of indexes of all occurrences of <code>elem</code> in <code>array</code>.</p>
-</span></td></tr>
 <tr><td><code>array_prepend(elem: <a href="bool.html">bool</a>, array: <a href="bool.html">bool</a>[]) &rarr; <a href="bool.html">bool</a>[]</code></td><td><span class="funcdesc"><p>Prepends <code>elem</code> to <code>array</code>, returning the result.</p>
 </span></td></tr>
 <tr><td><code>array_prepend(elem: <a href="bytes.html">bytes</a>, array: <a href="bytes.html">bytes</a>[]) &rarr; <a href="bytes.html">bytes</a>[]</code></td><td><span class="funcdesc"><p>Prepends <code>elem</code> to <code>array</code>, returning the result.</p>
@@ -155,8 +147,6 @@
 </span></td></tr>
 <tr><td><code>array_prepend(elem: oid, array: oid[]) &rarr; oid[]</code></td><td><span class="funcdesc"><p>Prepends <code>elem</code> to <code>array</code>, returning the result.</p>
 </span></td></tr>
-<tr><td><code>array_prepend(elem: timetz, array: timetz[]) &rarr; timetz[]</code></td><td><span class="funcdesc"><p>Prepends <code>elem</code> to <code>array</code>, returning the result.</p>
-</span></td></tr>
 <tr><td><code>array_remove(array: <a href="bool.html">bool</a>[], elem: <a href="bool.html">bool</a>) &rarr; <a href="bool.html">bool</a>[]</code></td><td><span class="funcdesc"><p>Remove from <code>array</code> all elements equal to <code>elem</code>.</p>
 </span></td></tr>
 <tr><td><code>array_remove(array: <a href="bytes.html">bytes</a>[], elem: <a href="bytes.html">bytes</a>) &rarr; <a href="bytes.html">bytes</a>[]</code></td><td><span class="funcdesc"><p>Remove from <code>array</code> all elements equal to <code>elem</code>.</p>
@@ -185,8 +175,6 @@
 </span></td></tr>
 <tr><td><code>array_remove(array: oid[], elem: oid) &rarr; oid[]</code></td><td><span class="funcdesc"><p>Remove from <code>array</code> all elements equal to <code>elem</code>.</p>
 </span></td></tr>
-<tr><td><code>array_remove(array: timetz[], elem: timetz) &rarr; timetz[]</code></td><td><span class="funcdesc"><p>Remove from <code>array</code> all elements equal to <code>elem</code>.</p>
-</span></td></tr>
 <tr><td><code>array_replace(array: <a href="bool.html">bool</a>[], toreplace: <a href="bool.html">bool</a>, replacewith: <a href="bool.html">bool</a>) &rarr; <a href="bool.html">bool</a>[]</code></td><td><span class="funcdesc"><p>Replace all occurrences of <code>toreplace</code> in <code>array</code> with <code>replacewith</code>.</p>
 </span></td></tr>
 <tr><td><code>array_replace(array: <a href="bytes.html">bytes</a>[], toreplace: <a href="bytes.html">bytes</a>, replacewith: <a href="bytes.html">bytes</a>) &rarr; <a href="bytes.html">bytes</a>[]</code></td><td><span class="funcdesc"><p>Replace all occurrences of <code>toreplace</code> in <code>array</code> with <code>replacewith</code>.</p>
@@ -215,8 +203,6 @@
 </span></td></tr>
 <tr><td><code>array_replace(array: oid[], toreplace: oid, replacewith: oid) &rarr; oid[]</code></td><td><span class="funcdesc"><p>Replace all occurrences of <code>toreplace</code> in <code>array</code> with <code>replacewith</code>.</p>
 </span></td></tr>
-<tr><td><code>array_replace(array: timetz[], toreplace: timetz, replacewith: timetz) &rarr; timetz[]</code></td><td><span class="funcdesc"><p>Replace all occurrences of <code>toreplace</code> in <code>array</code> with <code>replacewith</code>.</p>
-</span></td></tr>
 <tr><td><code>array_to_string(input: anyelement[], delim: <a href="string.html">string</a>) &rarr; <a href="string.html">string</a></code></td><td><span class="funcdesc"><p>Join an array into a string with a delimiter.</p>
 </span></td></tr>
 <tr><td><code>array_to_string(input: anyelement[], delimiter: <a href="string.html">string</a>, null: <a href="string.html">string</a>) &rarr; <a href="string.html">string</a></code></td><td><span class="funcdesc"><p>Join an array into a string with a delimiter, replacing NULLs with a null string.</p>
@@ -337,9 +323,6 @@ hour, minute, second, millisecond, microsecond, epoch</p>
 <p>Compatible elements: year, quarter, month, week, dayofweek, dayofyear,
 hour, minute, second, millisecond, microsecond, epoch</p>
 </span></td></tr>
-<tr><td><code>extract(element: <a href="string.html">string</a>, input: timetz) &rarr; <a href="int.html">int</a></code></td><td><span class="funcdesc"><p>Extracts <code>element</code> from <code>input</code>.</p>
-<p>Compatible elements: hour, minute, second, millisecond, microsecond, epoch</p>
-</span></td></tr>
 <tr><td><code>extract_duration(element: <a href="string.html">string</a>, input: <a href="interval.html">interval</a>) &rarr; <a href="int.html">int</a></code></td><td><span class="funcdesc"><p>Extracts <code>element</code> from <code>input</code>.
 Compatible elements: hour, minute, second, millisecond, microsecond.</p>
 </span></td></tr>
@@ -950,18 +933,6 @@ may increase either contention or retry errors, or both.</p>
 </span></td></tr></tbody>
 </table>
 
-### TIMETZ functions
-
-<table>
-<thead><tr><th>Function &rarr; Returns</th><th>Description</th></tr></thead>
-<tbody>
-<tr><td><code>current_time() &rarr; timetz</code></td><td><span class="funcdesc"><p>Returns the time of the current transaction, with time zone.</p>
-<p>The value is based on a timestamp picked when the transaction starts
-and which stays constant throughout the transaction. This timestamp
-has no relationship with the commit order of concurrent transactions.</p>
-</span></td></tr></tbody>
-</table>
-
 ### Compatibility functions
 
 <table>