From a5c8e8845f92a02e24c77f2793c2fde31e56b010 Mon Sep 17 00:00:00 2001
From: Sam Rose <hello@samwho.dev>
Date: Wed, 13 Mar 2024 13:38:08 +0000
Subject: [PATCH] Implement Adri's type guard suggestion.

---
 packages/server/src/integrations/base/sql.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/server/src/integrations/base/sql.ts b/packages/server/src/integrations/base/sql.ts
index e6b9f047b9..8342c45fd7 100644
--- a/packages/server/src/integrations/base/sql.ts
+++ b/packages/server/src/integrations/base/sql.ts
@@ -4,9 +4,11 @@ import { QueryOptions } from "../../definitions/datasource"
 import { isIsoDateString, SqlClient, isValidFilter } from "../utils"
 import SqlTableQueryBuilder from "./sqlTable"
 import {
+  BBReferenceFieldMetadata,
   FieldSchema,
   FieldSubtype,
   FieldType,
+  JsonFieldMetadata,
   Operation,
   QueryJson,
   RelationshipsJson,
@@ -716,7 +718,9 @@ class SqlQueryBuilder extends SqlTableQueryBuilder {
     return results
   }
 
-  _isJsonColumn(field: FieldSchema) {
+  _isJsonColumn(
+    field: FieldSchema
+  ): field is JsonFieldMetadata | BBReferenceFieldMetadata {
     return (
       field.type === FieldType.JSON ||
       (field.type === FieldType.BB_REFERENCE &&