From e1e9e03f0f1a58f253edea925b54d12fad294b9f Mon Sep 17 00:00:00 2001
From: jalisson <jalisson@skynet.lan>
Date: Fri, 10 Jul 2020 22:33:01 -0300
Subject: [PATCH] Null point comment

---
 .../utils/pgdiff/parsers/CommentParser.java      |  2 +-
 .../cz/startnet/utils/pgdiff/parsers/Parser.java | 16 +++++++++++++---
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/main/java/cz/startnet/utils/pgdiff/parsers/CommentParser.java b/src/main/java/cz/startnet/utils/pgdiff/parsers/CommentParser.java
index ac1cef99..27bf0a69 100755
--- a/src/main/java/cz/startnet/utils/pgdiff/parsers/CommentParser.java
+++ b/src/main/java/cz/startnet/utils/pgdiff/parsers/CommentParser.java
@@ -90,7 +90,7 @@ private static void parseConstraint(final Parser parser,
         final String tableName = parser.parseIdentifier();
         final String objectName = ParserUtils.getObjectName(tableName);
         final String schemaName =
-                ParserUtils.getSchemaName(constraintName, database);
+                ParserUtils.getSchemaName(tableName, database);
 
         final PgConstraint constraint = database.getSchema(schemaName).
                 getTable(objectName).getConstraint(constraintName);
diff --git a/src/main/java/cz/startnet/utils/pgdiff/parsers/Parser.java b/src/main/java/cz/startnet/utils/pgdiff/parsers/Parser.java
index 97743895..a2ffe132 100644
--- a/src/main/java/cz/startnet/utils/pgdiff/parsers/Parser.java
+++ b/src/main/java/cz/startnet/utils/pgdiff/parsers/Parser.java
@@ -102,7 +102,8 @@ public boolean expect(final String word, final boolean optional) {
      * @return true if whole sequence was found, otherwise false
      */
     public boolean expectOptional(final String... words) {
-        final boolean found = expect(words[0], true);
+        final int oldPosition = position;
+        boolean found = expect(words[0], true);
 
         if (!found) {
             return false;
@@ -110,7 +111,11 @@ public boolean expectOptional(final String... words) {
 
         for (int i = 1; i < words.length; i++) {
             skipWhitespace();
-            expect(words[i]);
+            found = expect(words[i], true);
+            if (!found) {
+                position = oldPosition;
+                return false;
+            }
         }
 
         return true;
@@ -249,7 +254,7 @@ public int parseInteger() {
      *
      * @return parsed string, if quoted then including quotes
      */
-    public String parseString() {
+        public String parseString() {
         final boolean quoted = string.charAt(position) == '\'';
 
         if (quoted) {
@@ -274,6 +279,11 @@ public String parseString() {
             final String result;
 
             try {
+                if (endPos >= string.length())
+                {
+                    //try to fix StringIndexOutOfBoundsException
+                    endPos = string.lastIndexOf('\'');
+                }
                 result = string.substring(position, endPos + 1);
             } catch (final Throwable ex) {
                 throw new RuntimeException("Failed to get substring: " + string