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Add OR snippets #430

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Add OR snippets #430

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183ce4d
Add OR snippets
morganchen12 Mar 3, 2023
3a2fc21
fix bad query
morganchen12 Mar 21, 2023
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88 changes: 88 additions & 0 deletions firestore/app/src/main/java/com/google/example/firestore/DocSnippets.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1335,4 +1335,92 @@ public void onComplete(@NonNull Task<AggregateQuerySnapshot> task) {
});
// [END count_aggregate_query]
}

public void orQuery() {
CollectionReference collection = db.collection("cities");
// [START or_queries]
Query query = collection.where(Filter.and(
Filter.equalTo("state", "CA"),
Filter.or(
Filter.equalTo("capital", true),
Filter.greaterThanOrEqualTo("population", 1000000)
)
));
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// [END or_queries]
}

public void orQueryDisjunctions() {
CollectionReference collection = db.collection("cities");

// [START one_disjunction]
collection.whereEqualTo("a", 1);
// [END one_disjunction]

// [START two_disjunctions]
collection.where(Filter.or(
Filter.equalTo("a", 1),
Filter.equalTo("b", 2)
));
// [END two_disjunctions]

// [START four_disjunctions]
collection.where(Filter.or(
Filter.and(
Filter.equalTo("a", 1),
Filter.equalTo("c", 3)
),
Filter.and(
Filter.equalTo("a", 1),
Filter.equalTo("d", 4)
),
Filter.and(
Filter.equalTo("b", 2),
Filter.equalTo("c", 3)
),
Filter.and(
Filter.equalTo("b", 2),
Filter.equalTo("d", 4)
)
));
// [END four_disjunctions]

// [START four_disjunctions_compact]
collection.where(Filter.and(
Filter.or(
Filter.equalTo("a", 1),
Filter.equalTo("b", 2)
),
Filter.or(
Filter.equalTo("c", 3),
Filter.equalTo("d", 4)
)
));
// [END four_disjunctions_compact]

// [START 20_disjunctions]
collection.where(Filter.or(
Filter.inArray("a", Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)),
Filter.inArray("b", Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)),
));
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Unfortunately there's currently a bug in the backend which prevents this query from being served -- Even though it is a valid query (it's valid to have one IN operator per disjunction).

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We can add this to the snippet registry and then exclude it from devsite for now.

// [END 20_disjunctions]

// [START 10_disjunctions]
collection.where(Filter.and(
Filter.inArray("a", Arrays.asList(1, 2, 3, 4, 5)),
Filter.or(
Filter.equalTo("b", 2),
Filter.equalTo("c", 3)
)
));
// [END 10_disjunctions]
}

public void illegalDisjunctions() {
// [START 50_disjunctions]
collection.where(Filter.and(
Filter.inArray("a", Arrays.asList(1, 2, 3, 4, 5)),
Filter.inArray("b", Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)),
));
// [END 50_disjunctions]
}
}
89 changes: 89 additions & 0 deletions firestore/app/src/main/java/com/google/example/firestore/kotlin/DocSnippets.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -1107,4 +1107,93 @@ abstract class DocSnippets(val db: FirebaseFirestore) {
}
// [END count_aggregate_query]
}

fun orQuery() {
val collection = db.collection("cities")
// [START or_query]
val query = collection.where(Filter.and(
Filter.equalTo("state", "CA"),
Filter.or(
Filter.equalTo("capital", true),
Filter.greaterThanOrEqualTo("population", 1000000)
)
))
// [END or_query]
}

fun orQueryDisjunctions() {
val collection = db.collection("cities")

// [START one_disjunction]
collection.whereEqualTo("a", 1)
// [END one_disjunction]

// [START two_disjunctions]
collection.where(Filter.or(
Filter.equalTo("a", 1),
Filter.equalTo("b", 2)
))
// [END two_disjunctions]

// [START four_disjunctions]
collection.where(Filter.or(
Filter.and(
Filter.equalTo("a", 1),
Filter.equalTo("c", 3)
),
Filter.and(
Filter.equalTo("a", 1),
Filter.equalTo("d", 4)
),
Filter.and(
Filter.equalTo("b", 2),
Filter.equalTo("c", 3)
),
Filter.and(
Filter.equalTo("b", 2),
Filter.equalTo("d", 4)
)
))
// [END four_disjunctions]

// [START four_disjunctions_compact]
collection.where(Filter.and(
Filter.or(
Filter.equalTo("a", 1),
Filter.equalTo("b", 2)
),
Filter.or(
Filter.equalTo("c", 3),
Filter.equalTo("d", 4)
)
))
// [END four_disjunctions_compact]

// [START 20_disjunctions]
collection.where(Filter.or(
Filter.inArray("a", [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]),
Filter.inArray("b", [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]),
))
// [END 20_disjunctions]

// [START 10_disjunctions]
collection.where(Filter.and(
Filter.inArray("a", [1, 2, 3, 4, 5]),
Filter.or(
Filter.equalTo("b", 2),
Filter.equalTo("c", 3)
)
))
// [END 10_disjunctions]
}

fun illegalDisjunctions() {
val collection = db.collection("cities")
// [START 50_disjunctions]
collection.where(Filter.and(
Filter.inArray("a", [1, 2, 3, 4, 5]),
Filter.inArray("b", [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]),
));
// [END 50_disjunctions]
}
}