Fix for #2420 - don't allow columns which are considered invalid/not allowed.

packages/server/src/api/controllers/datasource.js

@@ -7,7 +7,7 @@ const {
   BudibaseInternalDB,
   getTableParams,
 } = require("../../db/utils")
-const { BuildSchemaErrors } = require("../../constants")
+const { BuildSchemaErrors, InvalidColumns } = require("../../constants")
 const { integrations } = require("../../integrations")
 const { getDatasourceAndQuery } = require("./row/utils")
 
@@ -152,6 +152,23 @@ exports.query = async function (ctx) {
   }
 }
 
+function getErrorTables(errors, errorType) {
+  return Object.entries(errors)
+    .filter(entry => entry[1] === errorType)
+    .map(([name]) => name)
+}
+
+function updateError(error, newError, tables) {
+  if (!error) {
+    error = ""
+  }
+  if (error.length > 0) {
+    error += " - "
+  }
+  error += `${newError} ${tables.join(", ")}`
+  return error
+}
+
 const buildSchemaHelper = async datasource => {
   const Connector = integrations[datasource.source]
 
@@ -176,12 +193,23 @@ const buildSchemaHelper = async datasource => {
   const errors = connector.schemaErrors
   let error = null
   if (errors && Object.keys(errors).length > 0) {
-    const noKeyTables = Object.entries(errors)
-      .filter(entry => entry[1] === BuildSchemaErrors.NO_KEY)
-      .map(([name]) => name)
-    error = `No primary key constraint found for the following: ${noKeyTables.join(
-      ", "
-    )}`
+    const noKey = getErrorTables(errors, BuildSchemaErrors.NO_KEY)
+    const invalidCol = getErrorTables(errors, BuildSchemaErrors.INVALID_COLUMN)
+    if (noKey.length) {
+      error = updateError(
+        error,
+        "No primary key constraint found for the following:",
+        noKey
+      )
+    }
+    if (invalidCol.length) {
+      const invalidCols = Object.values(InvalidColumns).join(", ")
+      error = updateError(
+        error,
+        `Cannot use columns ${invalidCols} found in following:`,
+        invalidCol
+      )
+    }
   }
   return { tables: connector.tables, error }
 }

packages/server/src/constants/index.js

@@ -163,8 +163,15 @@ exports.MetadataTypes = {
   AUTOMATION_TEST_HISTORY: "automationTestHistory",
 }
 
+exports.InvalidColumns = {
+  ID: "_id",
+  REV: "_rev",
+  TABLE_ID: "tableId",
+}
+
 exports.BuildSchemaErrors = {
   NO_KEY: "no_key",
+  INVALID_COLUMN: "invalid_column",
 }
 
 // pass through the list from the auth/core lib

packages/server/src/integrations/utils.ts

@@ -2,7 +2,7 @@ import { SqlQuery } from "../definitions/datasource"
 import { Datasource, Table } from "../definitions/common"
 import { SourceNames } from "../definitions/datasource"
 const { DocumentTypes, SEPARATOR } = require("../db/utils")
-const { FieldTypes, BuildSchemaErrors } = require("../constants")
+const { FieldTypes, BuildSchemaErrors, InvalidColumns } = require("../constants")
 
 const DOUBLE_SEPARATOR = `${SEPARATOR}${SEPARATOR}`
 const ROW_ID_REGEX = /^\[.*]$/g
@@ -161,13 +161,18 @@ export function finaliseExternalTables(
   tables: { [key: string]: any },
   entities: { [key: string]: any }
 ) {
+  const invalidColumns = Object.values(InvalidColumns)
   const finalTables: { [key: string]: any } = {}
   const errors: { [key: string]: string } = {}
   for (let [name, table] of Object.entries(tables)) {
+    const schemaFields = Object.keys(table.schema)
     // make sure every table has a key
     if (table.primary == null || table.primary.length === 0) {
       errors[name] = BuildSchemaErrors.NO_KEY
       continue
+    } else if (schemaFields.find(field => invalidColumns.includes(field))) {
+      errors[name] = BuildSchemaErrors.INVALID_COLUMN
+      continue
     }
     // make sure all previous props have been added back
     finalTables[name] = copyExistingPropsOver(name, table, entities)