From d237b50e08dfcd18c0a99f22ade484f841680c79 Mon Sep 17 00:00:00 2001
From: Jan Dolezel <dolezel.jan@gmail.com>
Date: Wed, 21 Feb 2018 16:37:01 +0100
Subject: [PATCH] Correct handling of multiline constraints

---
 lib/operations/tables.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/lib/operations/tables.js b/lib/operations/tables.js
index ed492234..be1f0960 100644
--- a/lib/operations/tables.js
+++ b/lib/operations/tables.js
@@ -1,8 +1,11 @@
 import _ from 'lodash';
 import { escapeValue, template, quote, applyType, applyTypeAdapters, comment } from '../utils';
 
-const formatLines = (lines, replace, separator = ',\n') =>
-  lines.join(separator).replace(/^/gm, replace);
+const formatLines = (lines, replace, separator = ',') =>
+  lines
+    .map(line => line.replace(/(?:\r\n|\r|\n)+/g, ' '))
+    .join(`${separator}\n`)
+    .replace(/^/gm, replace);
 
 const parseReferences = (options) => {
   const {
@@ -211,7 +214,7 @@ export const dropColumns = (tableName, columns, { ifExists, cascade } = {}) => {
     columns = _.keys(columns); // eslint-disable-line no-param-reassign
   }
   return template`ALTER TABLE "${tableName}"
-${formatLines(quote(columns), `  DROP ${ifExists ? ' IF EXISTS' : ''}`, `${cascade ? ' CASCADE' : ''},\n`)};`;
+${formatLines(quote(columns), `  DROP ${ifExists ? ' IF EXISTS' : ''}`, `${cascade ? ' CASCADE' : ''},`)};`;
 };
 
 export const addColumns = (typeShorthands) => {