jsonb_ops and array_ops opclasses (cockroachdb#15747)

v22.2/inverted-indexes.md

@@ -61,17 +61,23 @@ This lets you search based on subcomponents.
 
 You can use GIN indexes to improve the performance of queries using `JSONB` or `ARRAY` columns. You can create them:
 
-  - - Using the PostgreSQL-compatible syntax [`CREATE INDEX ... USING GIN`](create-index.html):
+- Using the PostgreSQL-compatible syntax [`CREATE INDEX ... USING GIN`](create-index.html):
 
-        ~~~ sql
-        CREATE INDEX {optional name} ON {table} USING GIN ({column});
-        ~~~
+    ~~~ sql
+    CREATE INDEX {optional name} ON {table} USING GIN ({column});
+    ~~~
+
+    You can also specify the `jsonb_ops` or `array_ops` opclass (for `JSONB` and `ARRAY` columns, respectively) using the syntax:
+
+    ~~~ sql
+    CREATE INDEX {optional name} ON {table} USING GIN ({column} {opclass});
+    ~~~
 
-  - While creating the table, using the syntax [`CREATE INVERTED INDEX`](create-table.html#create-a-table-with-secondary-and-gin-indexes):
+- While creating the table, using the syntax [`CREATE INVERTED INDEX`](create-table.html#create-a-table-with-secondary-and-gin-indexes):
 
-        ~~~ sql
-        CREATE INVERTED INDEX {optional name} ON {table} ({column});
-        ~~~
+    ~~~ sql
+    CREATE INVERTED INDEX {optional name} ON {table} ({column});
+    ~~~
 
 ### Selection
 

v22.2/trigram-indexes.md

@@ -77,23 +77,23 @@ To create a trigram index, use the [`CREATE INDEX`](create-index.html) syntax th
 
 - Using the PostgreSQL-compatible syntax:
 
-  ~~~ sql
-  CREATE INDEX {optional name} ON {table} USING GIN({column} gin_trgm_ops);
-  ~~~
+    ~~~ sql
+    CREATE INDEX {optional name} ON {table} USING GIN({column} gin_trgm_ops);
+    ~~~
 
-  ~~~ sql
-  CREATE INDEX {optional name} ON {table} USING GIST({column} gist_trgm_ops);
-  ~~~
+    ~~~ sql
+    CREATE INDEX {optional name} ON {table} USING GIST({column} gist_trgm_ops);
+    ~~~
 
-  {{site.data.alerts.callout_info}}
-  GIN and GiST indexes are implemented identically on CockroachDB. `GIN` and `GIST` are therefore synonymous when defining a trigram index.
-  {{site.data.alerts.end}}
+    {{site.data.alerts.callout_info}}
+    GIN and GiST indexes are implemented identically on CockroachDB. `GIN` and `GIST` are therefore synonymous when defining a trigram index.
+    {{site.data.alerts.end}}
 
 - Using `CREATE INVERTED INDEX`:
 
-  ~~~ sql
-  CREATE INVERTED INDEX {optional name} ON {table} ({column} {opclass});
-  ~~~
+    ~~~ sql
+    CREATE INVERTED INDEX {optional name} ON {table} ({column} {opclass});
+    ~~~
 
 ### Comparisons