Fix for #5269 - the sub type was being lost in some scenarios related to the user table being updated - making sure it is consistently kept when dealing with either of the related tables.

packages/server/src/api/controllers/table/internal.js

@@ -10,9 +10,30 @@ const {
 const usageQuota = require("../../../utilities/usageQuota")
 const { getAppDB } = require("@budibase/backend-core/context")
 const env = require("../../../environment")
-const { cleanupAttachments } = require("../../../utilities/rowProcessor")
+const {
+  cleanupAttachments,
+  fixAutoColumnSubType,
+} = require("../../../utilities/rowProcessor")
 const { runStaticFormulaChecks } = require("./bulkFormula")
 
+function checkAutoColumns(table, oldTable) {
+  if (!table.schema) {
+    return table
+  }
+  for (let [key, schema] of Object.entries(table.schema)) {
+    if (!schema.autocolumn || schema.subtype) {
+      continue
+    }
+    const oldSchema = oldTable.schema[key]
+    if (oldSchema && oldSchema.subtype) {
+      table.schema[key].subtype = oldSchema.subtype
+    } else {
+      table.schema[key] = fixAutoColumnSubType(schema)
+    }
+  }
+  return table
+}
+
 exports.save = async function (ctx) {
   const db = getAppDB()
   const { dataImport, ...rest } = ctx.request.body
@@ -29,9 +50,12 @@ exports.save = async function (ctx) {
     oldTable = await db.get(ctx.request.body._id)
   }
 
+  // check all types are correct
   if (hasTypeChanged(tableToSave, oldTable)) {
     ctx.throw(400, "A column type has changed.")
   }
+  // check that subtypes have been maintained
+  tableToSave = checkAutoColumns(tableToSave, oldTable)
 
   // saving a table is a complex operation, involving many different steps, this
   // has been broken out into a utility to make it more obvious/easier to manipulate

packages/server/src/constants/index.js

@@ -162,6 +162,14 @@ exports.AutoFieldSubTypes = {
   AUTO_ID: "autoID",
 }
 
+exports.AutoFieldDefaultNames = {
+  CREATED_BY: "Created By",
+  CREATED_AT: "Created At",
+  UPDATED_BY: "Updated By",
+  UPDATED_AT: "Updated At",
+  AUTO_ID: "Auto ID",
+}
+
 exports.OBJ_STORE_DIRECTORY = "/prod-budi-app-assets"
 exports.BaseQueryVerbs = {
   CREATE: "create",

packages/server/src/db/linkedRows/LinkController.js

@@ -376,6 +376,7 @@ class LinkController {
 
         if (field.autocolumn) {
           linkedField.autocolumn = field.autocolumn
+          linkedField.subtype = field.subtype
         }
 
         // check the linked table to make sure we aren't overwriting an existing column

packages/server/src/utilities/rowProcessor/index.js

@@ -2,7 +2,7 @@ const linkRows = require("../../db/linkedRows")
 const { cloneDeep } = require("lodash/fp")
 const { FieldTypes, AutoFieldSubTypes } = require("../../constants")
 const { attachmentsRelativeURL } = require("../index")
-const { processFormulas } = require("./utils")
+const { processFormulas, fixAutoColumnSubType } = require("./utils")
 const { deleteFiles } = require("../../utilities/fileSystem/utilities")
 const { ObjectStoreBuckets } = require("../../constants")
 const {
@@ -11,6 +11,7 @@ const {
   dbExists,
 } = require("@budibase/backend-core/db")
 const { getAppId } = require("@budibase/backend-core/context")
+const { InternalTables } = require("../../db/utils")
 
 const BASE_AUTO_ID = 1
 
@@ -137,21 +138,23 @@ function processAutoColumn(
   opts = { reprocessing: false, noAutoRelationships: false }
 ) {
   let noUser = !user || !user.userId
+  let isUserTable = table._id === InternalTables.USER_METADATA
   let now = new Date().toISOString()
   // if a row doesn't have a revision then it doesn't exist yet
   const creating = !row._rev
+  // check its not user table, or whether any of the processing options have been disabled
+  const shouldUpdateUserFields =
+    !isUserTable && !opts.reprocessing && !opts.noAutoRelationships && !noUser
   for (let [key, schema] of Object.entries(table.schema)) {
     if (!schema.autocolumn) {
       continue
     }
+    if (!schema.subtype) {
+      schema = fixAutoColumnSubType(schema)
+    }
     switch (schema.subtype) {
       case AutoFieldSubTypes.CREATED_BY:
-        if (
-          creating &&
-          !opts.reprocessing &&
-          !opts.noAutoRelationships &&
-          !noUser
-        ) {
+        if (creating && shouldUpdateUserFields) {
           row[key] = [user.userId]
         }
         break
@@ -161,7 +164,7 @@ function processAutoColumn(
         }
         break
       case AutoFieldSubTypes.UPDATED_BY:
-        if (!opts.reprocessing && !opts.noAutoRelationships && !noUser) {
+        if (shouldUpdateUserFields) {
           row[key] = [user.userId]
         }
         break
@@ -179,7 +182,7 @@ function processAutoColumn(
   return { table, row }
 }
 exports.processAutoColumn = processAutoColumn
-
+exports.fixAutoColumnSubType = fixAutoColumnSubType
 exports.processFormulas = processFormulas
 
 /**

packages/server/src/utilities/rowProcessor/utils.js

@@ -1,6 +1,34 @@
-const { FieldTypes, FormulaTypes } = require("../../constants")
+const {
+  FieldTypes,
+  FormulaTypes,
+  AutoFieldDefaultNames,
+  AutoFieldSubTypes,
+} = require("../../constants")
 const { processStringSync } = require("@budibase/string-templates")
 
+/**
+ * If the subtype has been lost for any reason this works out what
+ * subtype the auto column should be.
+ */
+exports.fixAutoColumnSubType = column => {
+  if (!column.autocolumn || !column.name || column.subtype) {
+    return column
+  }
+  // the columns which get auto generated
+  if (column.name.endsWith(AutoFieldDefaultNames.CREATED_BY)) {
+    column.subtype = AutoFieldSubTypes.CREATED_BY
+  } else if (column.name.endsWith(AutoFieldDefaultNames.UPDATED_BY)) {
+    column.subtype = AutoFieldSubTypes.UPDATED_BY
+  } else if (column.name.endsWith(AutoFieldDefaultNames.CREATED_AT)) {
+    column.subtype = AutoFieldSubTypes.CREATED_AT
+  } else if (column.name.endsWith(AutoFieldDefaultNames.UPDATED_AT)) {
+    column.subtype = AutoFieldSubTypes.UPDATED_AT
+  } else if (column.name.endsWith(AutoFieldDefaultNames.AUTO_ID)) {
+    column.subtype = AutoFieldSubTypes.AUTO_ID
+  }
+  return column
+}
+
 /**
  * Looks through the rows provided and finds formulas - which it then processes.
  */