From a7ca6a594a3e52909a6bf0b51fb8a5bb59368cb6 Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@archive.org>
Date: Sun, 18 Oct 2020 13:15:12 -0700
Subject: schema: filters can be single or array

---
 src/parse.rs | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/parse.rs b/src/parse.rs
index c2cb356..8656daa 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -231,6 +231,14 @@ pub struct ApiQuery {
     rescore_query_weight: Option<Num>,
 }
 
+#[derive(Serialize, Deserialize, Debug)]
+#[serde(deny_unknown_fields)]
+#[serde(untagged)]
+pub enum ApiQueryOrArray {
+    Single(ApiQuery),
+    Array(Vec<ApiQuery>),
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(deny_unknown_fields)]
 pub struct ApiHighlight {
@@ -499,13 +507,13 @@ pub struct QueryField {
 #[serde(deny_unknown_fields)]
 pub struct BoolQuery {
     #[serde(skip_serializing_if = "Option::is_none")]
-    must: Option<Box<ApiQuery>>,
+    must: Option<Box<ApiQueryOrArray>>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    filter: Option<Box<ApiQuery>>,
+    filter: Option<Box<ApiQueryOrArray>>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    should: Option<Box<ApiQuery>>,
+    should: Option<Box<ApiQueryOrArray>>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    must_not: Option<Box<ApiQuery>>,
+    must_not: Option<Box<ApiQueryOrArray>>,
     #[serde(skip_serializing_if = "Option::is_none")]
     minimum_should_match: Option<StringOrNum>,
     #[serde(skip_serializing_if = "Option::is_none")]
@@ -536,7 +544,7 @@ pub struct BoostingQuery {
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(deny_unknown_fields)]
 pub struct ConstantScoreQuery {
-    filter: Box<ApiQuery>,
+    filter: Box<ApiQueryOrArray>,
     #[serde(skip_serializing_if = "Option::is_none")]
     boost: Option<Num>,
 }
-- 
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