Skip to content

Wrap string in literal if it contains $ #1144

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jun 20, 2023
Merged

Wrap string in literal if it contains $ #1144

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 11 additions & 2 deletions driver-core/src/main/com/mongodb/client/model/mql/MqlValues.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -233,7 +233,7 @@ public static MqlArray<MqlDate> ofDateArray(final Instant... array) {
*/
public static MqlString of(final String of) {
Assertions.notNull("String", of);
return new MqlExpression<>((codecRegistry) -> new AstPlaceholder(new BsonString(of)));
return new MqlExpression<>((codecRegistry) -> new AstPlaceholder(wrapString(of)));
}

/**
Expand All @@ -249,11 +249,20 @@ public static MqlArray<MqlString> ofStringArray(final String... array) {
List<BsonValue> result = new ArrayList<>();
for (String e : array) {
Assertions.notNull("elements of array", e);
result.add(new BsonString(e));
result.add(wrapString(e));
}
return new MqlExpression<>((cr) -> new AstPlaceholder(new BsonArray(result)));
}

private static BsonValue wrapString(final String s) {
BsonString bson = new BsonString(s);
if (s.contains("$")) {
return new BsonDocument("$literal", bson);
} else {
return bson;
}
}
Comment on lines +257 to +264
Copy link
Collaborator Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I believe "$" is the only character that would cause a string to need to be wrapped.


/**
* Returns a reference to the "current"
* {@linkplain MqlDocument document} value.
Expand Down
6 changes: 6 additions & 0 deletions ...r-core/src/test/functional/com/mongodb/client/model/mql/ArrayMqlValuesFunctionalTest.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,12 @@ public void literalsTest() {
Arrays.asList("a", "b", "c"),
ofStringArray("a", "b", "c"),
"['a', 'b', 'c']");
// must escape:
assertExpression(
Arrays.asList("$a", "b", "$c.d"),
ofStringArray("$a", "b", "$c.d"),
"[{'$literal': '$a'}, 'b', {'$literal': '$c.d'}]");

// Date
assertExpression(
Arrays.asList(Instant.parse("2007-12-03T10:15:30.00Z")),
Expand Down
6 changes: 6 additions & 0 deletions ...-core/src/test/functional/com/mongodb/client/model/mql/StringMqlValuesFunctionalTest.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,12 @@ public void literalsTest() {
assertExpression("abc", of("abc"), "'abc'");
assertThrows(IllegalArgumentException.class, () -> of((String) null));
assertExpression(fish, of(fish), "'" + fish + "'");

// must escape:
assertExpression(
"$abc",
of("$abc"),
"{'$literal': '$abc'}");
}

@Test
Expand Down