From bf2f951f6bd25c44e3972e89cfba9c74b0085b70 Mon Sep 17 00:00:00 2001
From: Galen <galen.kistler@grafana.com>
Date: Thu, 19 Sep 2024 10:13:27 -0500
Subject: [PATCH] fix: fall back to mixed parser if the field doesn't have a
 parser defined in the url

---
 src/services/variables.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/services/variables.ts b/src/services/variables.ts
index eb6a9263a..2a074d00d 100644
--- a/src/services/variables.ts
+++ b/src/services/variables.ts
@@ -148,6 +148,14 @@ export function getValueFromFieldsFilter(filter: AdHocVariableFilter, variableNa
     return JSON.parse(filter.value);
   } catch (e) {
     console.error(`Failed to parse ${variableName}`, e);
+
+    // If the user has a URL from before 0.1.4 where detected_fields changed the format of the fields value to include the parser, fall back to mixed parser if we have a value
+    if (filter.value) {
+      return {
+        value: filter.value,
+        parser: 'mixed',
+      };
+    }
     throw e;
   }
 }