use ecto fragment interpolation

apps/explorer/lib/explorer/chain.ex

@@ -2853,34 +2853,47 @@ defmodule Explorer.Chain do
   defp staking_pool_filter(query, :validator) do
     where(
       query,
-      [_],
+      [address],
-      fragment("""
+      fragment(
-      (metadata->>'is_active')::boolean = true and
+        """
-      (metadata->>'deleted')::boolean is not true and
+        (?->>'is_active')::boolean = true and
-      (metadata->>'is_validator')::boolean = true
+        (?->>'deleted')::boolean is not true and
-      """)
+        (?->>'is_validator')::boolean = true
+        """,
+        address.metadata,
+        address.metadata,
+        address.metadata
+      )
     )
   end
 
   defp staking_pool_filter(query, :active) do
     where(
       query,
-      [_],
+      [address],
-      fragment("""
+      fragment(
-      (metadata->>'is_active')::boolean = true and
+        """
-      (metadata->>'deleted')::boolean is not true
+        (?->>'is_active')::boolean = true and
-      """)
+        (?->>'deleted')::boolean is not true
+        """,
+        address.metadata,
+        address.metadata
+      )
     )
   end
 
   defp staking_pool_filter(query, :inactive) do
     where(
       query,
-      [_],
+      [address],
-      fragment("""
+      fragment(
-      (metadata->>'is_active')::boolean = false and
+        """
-      (metadata->>'deleted')::boolean is not true
+        (?->>'is_active')::boolean = false and
-      """)
+        (?->>'deleted')::boolean is not true
+        """,
+        address.metadata,
+        address.metadata
+      )
     )
   end
 

apps/explorer/lib/explorer/chain/import/runner/staking_pools.ex

@@ -60,10 +60,10 @@ defmodule Explorer.Chain.Import.Runner.StakingPools do
         address_name in Address.Name,
         where:
           address_name.address_hash not in ^addresses and
-            fragment("(metadata->>'is_pool')::boolean = true"),
+            fragment("(?->>'is_pool')::boolean = true", address_name.metadata),
         update: [
           set: [
-            metadata: fragment("metadata || '{\"deleted\": true}'::jsonb")
+            metadata: fragment("? || '{\"deleted\": true}'::jsonb", address_name.metadata)
           ]
         ]
       )