[docs]fix keywords in sql-functions help documents (#10671)

Co-authored-by: hucheng01 <hucheng01@baidu.com>

docs/en/docs/sql-manual/sql-functions/array-functions/arrays_overlap.md

@@ -63,4 +63,4 @@ mysql> select c_left,c_right,arrays_overlap(c_left,c_right) from array_test;
 
 ### keywords
 
-ARRAYS_OVERLAP
+ARRAY,ARRAYS,OVERLAP,ARRAYS_OVERLAP

docs/en/docs/sql-manual/sql-functions/json-functions/json_array.md

@@ -67,4 +67,4 @@ MySQL> select json_array("a", null, "c");
 +------------------------------+
 ```
 ### keywords
-json_array
+json,array,json_array

docs/en/docs/sql-manual/sql-functions/json-functions/json_object.md

@@ -68,4 +68,4 @@ MySQL> select json_object('username',null);
 +---------------------------------+
 ```
 ### keywords
-json_object
+json,object,json_object

docs/en/docs/sql-manual/sql-functions/json-functions/json_quote.md

@@ -67,4 +67,4 @@ MySQL> select json_quote("\n\b\r\t");
 +------------------------+
 ```
 ### keywords
-json_quote
+json,quote,json_quote

docs/en/docs/sql-manual/sql-functions/table-functions/explode-bitmap.md

@@ -154,4 +154,4 @@ lateral view explode_split("a,b", ",") tmp2 as e2 order by k1, e1, e2;
 
 ### keywords
 
-    explode_bitmap
+explode,bitmap,explode_bitmap

docs/en/docs/sql-manual/sql-functions/table-functions/explode-json-array.md

@@ -283,4 +283,4 @@ mysql> select k1, e1 from example1 lateral view explode_json_array_string('{"a":
 
 ### keywords
 
-    explode_json_array
+explode,json,array,json_array,explode_json,explode_json_array

docs/en/docs/sql-manual/sql-functions/table-functions/explode-numbers.md

@@ -53,4 +53,4 @@ mysql> select e1 from (select 1 k1) as t lateral view explode_numbers(5) tmp1 as
 ```
 ### keywords
 
-    explode_numbers
+explode,numbers,explode_numbers

docs/en/docs/sql-manual/sql-functions/table-functions/explode-split.md

@@ -109,4 +109,4 @@ mysql> select k1, e1 from example1 lateral view explode_split(k2, ',') tmp1 as e
 
 ### keywords
 
-    explode_split
+explode,split,explode_split

docs/zh-CN/docs/sql-manual/sql-functions/array-functions/arrays_overlap.md

@@ -63,4 +63,4 @@ mysql> select c_left,c_right,arrays_overlap(c_left,c_right) from array_test;
 
 ### keywords
 
-ARRAYS_OVERLAP
+ARRAY,ARRAYS,OVERLAP,ARRAYS_OVERLAP

docs/zh-CN/docs/sql-manual/sql-functions/json-functions/json_array.md

@@ -67,4 +67,4 @@ MySQL> select json_array("a", null, "c");
 +------------------------------+
 ```
 ### keywords
-json_array
+json,array,json_array

docs/zh-CN/docs/sql-manual/sql-functions/json-functions/json_object.md

@@ -67,4 +67,4 @@ MySQL> select json_object('username',null);
 +---------------------------------+
 ```
 ### keywords
-json_object
+json,object,json_object

docs/zh-CN/docs/sql-manual/sql-functions/json-functions/json_quote.md

@@ -67,4 +67,4 @@ MySQL> select json_quote("\n\b\r\t");
 +------------------------+
 ```
 ### keywords
-json_quote
+json,quote,json_quote

docs/zh-CN/docs/sql-manual/sql-functions/table-functions/explode-bitmap.md

@@ -145,4 +145,4 @@ lateral view explode_split("a,b", ",") tmp2 as e2 order by k1, e1, e2;
 
 ### keywords
 
-    explode_bitmap
+explode,bitmap,explode_bitmap

docs/zh-CN/docs/sql-manual/sql-functions/table-functions/explode-json-array.md

@@ -184,4 +184,4 @@ Empty set
 
 ### keywords
 
-    explode_json_array
+explode,json,array,json_array,explode_json,explode_json_array

docs/zh-CN/docs/sql-manual/sql-functions/table-functions/explode-numbers.md

@@ -54,4 +54,4 @@ mysql> select e1 from (select 1 k1) as t lateral view explode_numbers(5) tmp1 as
 ```
 ### keywords
 
-    explode_numbers
+explode,numbers,explode_numbers

docs/zh-CN/docs/sql-manual/sql-functions/table-functions/explode-split.md

@@ -105,4 +105,4 @@ mysql> select k1, e1 from example1 lateral view explode_split(k2, ',') tmp1 as e
 
 ### keywords
 
-    explode_split
+explode,split,explode_split