fix language in docs

imor · imor · commit 80e5e3efc6b9 · 2023-10-25T01:32:11.000+05:30
diff --git a/docs/functions.md b/docs/functions.md
@@ -144,7 +144,7 @@ Built-in GraphQL scalar types `Int`, `Float`, `String`, `Boolean` and [custom sc
     }
     ```
 
-If all the columns of a row are null, the result can be a little surprising. Instead of an object with all columns null, the top-level field is null:
+Since Postgres considers a row/composite type containing only null values to be null, the result can be a little surprising in this case. Instead of an object with all columns null, the top-level field is null:
 
 === "Function"
 

Original file line number	Diff line number	Diff line change
@@ -144,7 +144,7 @@ Built-in GraphQL scalar types `Int`, `Float`, `String`, `Boolean` and [custom sc
`144`	`144`	`}`
`145`	`145`	```
`146`	`146`
`147`		`-If all the columns of a row are null, the result can be a little surprising. Instead of an object with all columns null, the top-level field is null:`
	`147`	`+Since Postgres considers a row/composite type containing only null values to be null, the result can be a little surprising in this case. Instead of an object with all columns null, the top-level field is null:`
`148`	`148`
`149`	`149`	`=== "Function"`
`150`	`150`