diff --git a/packages/backend-core/src/sql/sql.ts b/packages/backend-core/src/sql/sql.ts
index 76d73c42fe..4936e4da68 100644
--- a/packages/backend-core/src/sql/sql.ts
+++ b/packages/backend-core/src/sql/sql.ts
@@ -11,6 +11,7 @@ import {
 import { SqlStatements } from "./sqlStatements"
 import SqlTableQueryBuilder from "./sqlTable"
 import {
+  AnySearchFilter,
   BBReferenceFieldMetadata,
   FieldSchema,
   FieldType,
@@ -41,7 +42,7 @@ const envLimit = environment.SQL_MAX_ROWS
   : null
 const BASE_LIMIT = envLimit || 5000
 
-function likeKey(client: string, key: string): string {
+function likeKey(client: string | string[], key: string): string {
   let start: string, end: string
   switch (client) {
     case SqlClient.MY_SQL:
@@ -207,18 +208,27 @@ class InternalBuilder {
       return alias || name
     }
     function iterate(
-      structure: { [key: string]: any },
-      fn: (key: string, value: any) => void
+      structure: AnySearchFilter,
+      fn: (key: string, value: any) => void,
+      complexKeyFn?: (key: string[], value: any) => void
     ) {
-      for (let [key, value] of Object.entries(structure)) {
+      for (const key in structure) {
+        const value = structure[key]
         const updatedKey = dbCore.removeKeyNumbering(key)
         const isRelationshipField = updatedKey.includes(".")
 
-        if (updatedKey === InternalSearchFilterOperator.COMPLEX_ID_OPERATOR) {
+        let castedTypeValue
+        if (
+          key === InternalSearchFilterOperator.COMPLEX_ID_OPERATOR &&
+          (castedTypeValue = structure[key]) &&
+          complexKeyFn
+        ) {
           const alias = getTableAlias(tableName)
-          fn(
-            value.id.map((x: string) => (alias ? `${alias}.${x}` : x)),
-            value.values
+          complexKeyFn(
+            castedTypeValue.id.map((x: string) =>
+              alias ? `${alias}.${x}` : x
+            ),
+            castedTypeValue.values
           )
         } else if (!opts.relationship && !isRelationshipField) {
           const alias = getTableAlias(tableName)
@@ -246,7 +256,7 @@ class InternalBuilder {
       }
     }
 
-    const contains = (mode: object, any: boolean = false) => {
+    const contains = (mode: AnySearchFilter, any: boolean = false) => {
       const rawFnc = allOr ? "orWhereRaw" : "whereRaw"
       const not = mode === filters?.notContains ? "NOT " : ""
       function stringifyArray(value: Array<any>, quoteStyle = '"'): string {
@@ -258,7 +268,7 @@ class InternalBuilder {
         return `[${value.join(",")}]`
       }
       if (this.client === SqlClient.POSTGRES) {
-        iterate(mode, (key: string, value: Array<any>) => {
+        iterate(mode, (key, value) => {
           const wrap = any ? "" : "'"
           const op = any ? "\\?| array" : "@>"
           const fieldNames = key.split(/\./g)
@@ -273,7 +283,7 @@ class InternalBuilder {
         })
       } else if (this.client === SqlClient.MY_SQL) {
         const jsonFnc = any ? "JSON_OVERLAPS" : "JSON_CONTAINS"
-        iterate(mode, (key: string, value: Array<any>) => {
+        iterate(mode, (key, value) => {
           query = query[rawFnc](
             `${not}COALESCE(${jsonFnc}(${key}, '${stringifyArray(
               value
@@ -282,7 +292,7 @@ class InternalBuilder {
         })
       } else {
         const andOr = mode === filters?.containsAny ? " OR " : " AND "
-        iterate(mode, (key: string, value: Array<any>) => {
+        iterate(mode, (key, value) => {
           let statement = ""
           for (let i in value) {
             if (typeof value[i] === "string") {
@@ -306,10 +316,16 @@ class InternalBuilder {
     }
 
     if (filters.oneOf) {
-      iterate(filters.oneOf, (key, array) => {
-        const fnc = allOr ? "orWhereIn" : "whereIn"
-        query = query[fnc](key, Array.isArray(array) ? array : [array])
-      })
+      const fnc = allOr ? "orWhereIn" : "whereIn"
+      iterate(
+        filters.oneOf,
+        (key: string, array) => {
+          query = query[fnc](key, Array.isArray(array) ? array : [array])
+        },
+        (key: string[], array) => {
+          query = query[fnc](key, Array.isArray(array) ? array : [array])
+        }
+      )
     }
     if (filters.string) {
       iterate(filters.string, (key, value) => {
diff --git a/packages/server/src/api/controllers/row/ExternalRequest.ts b/packages/server/src/api/controllers/row/ExternalRequest.ts
index 87c9d27ee0..2ecdf9a4cb 100644
--- a/packages/server/src/api/controllers/row/ExternalRequest.ts
+++ b/packages/server/src/api/controllers/row/ExternalRequest.ts
@@ -190,8 +190,8 @@ export class ExternalRequest<T extends Operation> {
     if (filters) {
       // need to map over the filters and make sure the _id field isn't present
       let prefix = 1
-      for (let operator of Object.values(filters)) {
-        for (let field of Object.keys(operator || {})) {
+      for (const operator of Object.values(filters)) {
+        for (const field of Object.keys(operator || {})) {
           if (dbCore.removeKeyNumbering(field) === "_id") {
             if (primary) {
               const parts = breakRowIdField(operator[field])
diff --git a/packages/types/src/sdk/search.ts b/packages/types/src/sdk/search.ts
index 5ea1f359f1..856011284f 100644
--- a/packages/types/src/sdk/search.ts
+++ b/packages/types/src/sdk/search.ts
@@ -21,51 +21,48 @@ export enum InternalSearchFilterOperator {
   COMPLEX_ID_OPERATOR = "_complexIdOperator",
 }
 
+type BasicFilter = Record<string, string> & {
+  [InternalSearchFilterOperator.COMPLEX_ID_OPERATOR]?: never
+}
+
+type ArrayFilter = Record<string, string[]> & {
+  [InternalSearchFilterOperator.COMPLEX_ID_OPERATOR]?: {
+    id: string[]
+    values: string[]
+  }
+}
+
+type RangeFilter = Record<
+  string,
+  | {
+      high: number | string
+      low: number | string
+    }
+  | { high: number | string }
+  | { low: number | string }
+> & {
+  [InternalSearchFilterOperator.COMPLEX_ID_OPERATOR]?: never
+}
+
+export type AnySearchFilter = BasicFilter | ArrayFilter | RangeFilter
+
 export interface SearchFilters {
   allOr?: boolean
   // TODO: this is just around for now - we need a better way to do or/and
   // allows just fuzzy to be or - all the fuzzy/like parameters
   fuzzyOr?: boolean
   onEmptyFilter?: EmptyFilterOption
-  [SearchFilterOperator.STRING]?: {
-    [key: string]: string
-  }
-  [SearchFilterOperator.FUZZY]?: {
-    [key: string]: string
-  }
-  [SearchFilterOperator.RANGE]?: {
-    [key: string]:
-      | {
-          high: number | string
-          low: number | string
-        }
-      | { high: number | string }
-      | { low: number | string }
-  }
-  [SearchFilterOperator.EQUAL]?: {
-    [key: string]: any
-  }
-  [SearchFilterOperator.NOT_EQUAL]?: {
-    [key: string]: any
-  }
-  [SearchFilterOperator.EMPTY]?: {
-    [key: string]: any
-  }
-  [SearchFilterOperator.NOT_EMPTY]?: {
-    [key: string]: any
-  }
-  [SearchFilterOperator.ONE_OF]?: {
-    [key: string]: any[]
-  }
-  [SearchFilterOperator.CONTAINS]?: {
-    [key: string]: any[]
-  }
-  [SearchFilterOperator.NOT_CONTAINS]?: {
-    [key: string]: any[]
-  }
-  [SearchFilterOperator.CONTAINS_ANY]?: {
-    [key: string]: any[]
-  }
+  [SearchFilterOperator.STRING]?: BasicFilter
+  [SearchFilterOperator.FUZZY]?: BasicFilter
+  [SearchFilterOperator.RANGE]?: RangeFilter
+  [SearchFilterOperator.EQUAL]?: BasicFilter
+  [SearchFilterOperator.NOT_EQUAL]?: BasicFilter
+  [SearchFilterOperator.EMPTY]?: BasicFilter
+  [SearchFilterOperator.NOT_EMPTY]?: BasicFilter
+  [SearchFilterOperator.ONE_OF]?: ArrayFilter
+  [SearchFilterOperator.CONTAINS]?: ArrayFilter
+  [SearchFilterOperator.NOT_CONTAINS]?: ArrayFilter
+  [SearchFilterOperator.CONTAINS_ANY]?: ArrayFilter
   // specific to SQS/SQLite search on internal tables this can be used
   // to make sure the documents returned are always filtered down to a
   // specific document type (such as just rows)