Merge pull request #11750 from Budibase/fix/10118

Fix filtering on 0 in external datasources

packages/server/scripts/integrations/postgres/init.sql

@@ -1,7 +1,7 @@
 SELECT 'CREATE DATABASE main'
 WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'main')\gexec
 CREATE SCHEMA "test-1";
-CREATE TYPE person_job AS ENUM ('qa', 'programmer', 'designer');
+CREATE TYPE person_job AS ENUM ('qa', 'programmer', 'designer', 'support');
 CREATE TABLE Persons (
     PersonID SERIAL PRIMARY KEY,
     LastName varchar(255),
@@ -51,6 +51,7 @@ CREATE TABLE CompositeTable (
 );
 INSERT INTO Persons (FirstName, LastName, Address, City, Type) VALUES ('Mike', 'Hughes', '123 Fake Street', 'Belfast', 'qa');
 INSERT INTO Persons (FirstName, LastName, Address, City, Type) VALUES ('John', 'Smith', '64 Updown Road', 'Dublin', 'programmer');
+INSERT INTO Persons (FirstName, LastName, Address, City, Type, Age) VALUES ('Foo', 'Bar', 'Foo Street', 'Bartown', 'support', 0);
 INSERT INTO Tasks (ExecutorID, QaID, TaskName, Completed) VALUES (1, 2, 'assembling', TRUE);
 INSERT INTO Tasks (ExecutorID, QaID, TaskName, Completed) VALUES (2, 1, 'processing', FALSE);
 INSERT INTO Products (ProductName) VALUES ('Computers');

packages/server/src/api/controllers/row/external.ts

@@ -18,6 +18,7 @@ import {
 import sdk from "../../../sdk"
 import * as utils from "./utils"
 import { dataFilters } from "@budibase/shared-core"
+import { removeEmptyFilters } from "./utils"
 
 export async function handleRequest(
   operation: Operation,
@@ -26,20 +27,8 @@ export async function handleRequest(
 ) {
   // make sure the filters are cleaned up, no empty strings for equals, fuzzy or string
   if (opts && opts.filters) {
-    for (let filterField of NoEmptyFilterStrings) {
+    opts.filters = utils.removeEmptyFilters(opts.filters)
-      if (!opts.filters[filterField]) {
-        continue
   }
-      // @ts-ignore
-      for (let [key, value] of Object.entries(opts.filters[filterField])) {
-        if (!value || value === "") {
-          // @ts-ignore
-          delete opts.filters[filterField][key]
-        }
-      }
-    }
-  }
-
   if (
     !dataFilters.hasFilters(opts?.filters) &&
     opts?.filters?.onEmptyFilter === EmptyFilterOption.RETURN_NONE

packages/server/src/api/controllers/row/tests/utils.spec.ts

@@ -0,0 +1,21 @@
+import * as utils from "../utils"
+
+describe("removeEmptyFilters", () => {
+  it("0 should not be removed", () => {
+    const filters = utils.removeEmptyFilters({
+      equal: {
+        column: 0,
+      },
+    })
+    expect((filters.equal as any).column).toBe(0)
+  })
+
+  it("empty string should be removed", () => {
+    const filters = utils.removeEmptyFilters({
+      equal: {
+        column: "",
+      },
+    })
+    expect(Object.values(filters.equal as any).length).toBe(0)
+  })
+})

packages/server/src/api/controllers/row/utils.ts

@@ -1,8 +1,15 @@
 import { InternalTables } from "../../../db/utils"
 import * as userController from "../user"
 import { context } from "@budibase/backend-core"
-import { Ctx, FieldType, Row, Table, UserCtx } from "@budibase/types"
+import {
-import { FieldTypes } from "../../../constants"
+  Ctx,
+  FieldType,
+  Row,
+  SearchFilters,
+  Table,
+  UserCtx,
+} from "@budibase/types"
+import { FieldTypes, NoEmptyFilterStrings } from "../../../constants"
 import sdk from "../../../sdk"
 
 import validateJs from "validate.js"
@@ -139,3 +146,32 @@ export async function validate({
   }
   return { valid: Object.keys(errors).length === 0, errors }
 }
+
+// don't do a pure falsy check, as 0 is included
+// https://github.com/Budibase/budibase/issues/10118
+export function removeEmptyFilters(filters: SearchFilters) {
+  for (let filterField of NoEmptyFilterStrings) {
+    if (!filters[filterField]) {
+      continue
+    }
+
+    for (let filterType of Object.keys(filters)) {
+      if (filterType !== filterField) {
+        continue
+      }
+      // don't know which one we're checking, type could be anything
+      const value = filters[filterType] as unknown
+      if (typeof value === "object") {
+        for (let [key, value] of Object.entries(
+          filters[filterType] as object
+        )) {
+          if (value == null || value === "") {
+            // @ts-ignore
+            delete filters[filterField][key]
+          }
+        }
+      }
+    }
+  }
+  return filters
+}

yarn.lock

@@ -6269,6 +6269,14 @@
     "@types/tedious" "*"
     tarn "^3.0.1"
 
+"@types/node-fetch@2.6.1":
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/@types/node-fetch/-/node-fetch-2.6.1.tgz#8f127c50481db65886800ef496f20bbf15518975"
+  integrity sha512-oMqjURCaxoSIsHSr1E47QHzbmzNR5rK8McHuNb11BOM9cHcIK3Avy0s/b2JlXHoQGTYS3NsvWzV1M0iK7l0wbA==
+  dependencies:
+    "@types/node" "*"
+    form-data "^3.0.0"
+
 "@types/node-fetch@2.6.4":
   version "2.6.4"
   resolved "https://registry.yarnpkg.com/@types/node-fetch/-/node-fetch-2.6.4.tgz#1bc3a26de814f6bf466b25aeb1473fa1afe6a660"
@@ -6290,6 +6298,11 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-18.11.18.tgz#8dfb97f0da23c2293e554c5a50d61ef134d7697f"
   integrity sha512-DHQpWGjyQKSHj3ebjFI/wRKcqQcdR+MoFBygntYOZytCqNfkd2ZC4ARDJ2DQqhjH5p85Nnd3jhUJIXrszFX/JA==
 
+"@types/node@14.18.20":
+  version "14.18.20"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.18.20.tgz#268f028b36eaf51181c3300252f605488c4f0650"
+  integrity sha512-Q8KKwm9YqEmUBRsqJ2GWJDtXltBDxTdC4m5vTdXBolu2PeQh8LX+f6BTwU+OuXPu37fLxoN6gidqBmnky36FXA==
+
 "@types/node@16.9.1":
   version "16.9.1"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-16.9.1.tgz#0611b37db4246c937feef529ddcc018cf8e35708"