From f6de8f83a2b284ecaa67a196311588dbda98ea9e Mon Sep 17 00:00:00 2001
From: Steve Ebersole <steve@hibernate.org>
Date: Mon, 9 Nov 2015 09:18:42 -0600
Subject: [PATCH] HHH-1706 - Named parameters ignored when single apostrophe
 encountered within an SQL comment

(cherry picked from commit e4d102c5b1460a056ee9fec8f74f660ef764fde9)
---
 .../engine/query/spi/ParameterParser.java     | 62 +++++++++++++++++--
 .../engine/query/ParameterParserTest.java     | 29 +++++++++
 2 files changed, 87 insertions(+), 4 deletions(-)

diff --git a/hibernate-core/src/main/java/org/hibernate/engine/query/spi/ParameterParser.java b/hibernate-core/src/main/java/org/hibernate/engine/query/spi/ParameterParser.java
index 39deac89e4..f63f2c483c 100644
--- a/hibernate-core/src/main/java/org/hibernate/engine/query/spi/ParameterParser.java
+++ b/hibernate-core/src/main/java/org/hibernate/engine/query/spi/ParameterParser.java
@@ -84,17 +84,71 @@ public class ParameterParser {
 		boolean foundMainOutputParam = false;
 
 		final int stringLength = sqlString.length();
-		boolean inQuote = false;
+
+		boolean inSingleQuotes = false;
+		boolean inDoubleQuotes = false;
+		boolean inLineComment = false;
+		boolean inDelimitedComment = false;
+
 		for ( int indx = 0; indx < stringLength; indx++ ) {
 			final char c = sqlString.charAt( indx );
-			if ( inQuote ) {
+			final boolean lastCharacter = indx == stringLength-1;
+
+			if ( inLineComment ) {
+				// see if the character ends the line
+				if ( '\n' == c ) {
+					inLineComment = false;
+					recognizer.other( c );
+				}
+				else if ( '\r' == c ) {
+					inLineComment = false;
+					recognizer.other( c );
+					if ( !lastCharacter && '\n' == sqlString.charAt( indx+1 ) ) {
+						recognizer.other( sqlString.charAt( indx+1 ) );
+						indx++;
+					}
+				}
+			}
+			else if ( '-' == c ) {
+				recognizer.other( c );
+				if ( !lastCharacter && '-' == sqlString.charAt( indx+1 ) ) {
+					inLineComment = true;
+					recognizer.other( sqlString.charAt( indx+1 ) );
+					indx++;
+				}
+			}
+			else if ( inDelimitedComment ) {
+				recognizer.other( c );
+				if ( !lastCharacter && '*' == c && '/' == sqlString.charAt( indx+1 ) ) {
+					inDelimitedComment = true;
+					recognizer.other( sqlString.charAt( indx+1 ) );
+					indx++;
+				}
+			}
+			else if ( !lastCharacter && '/' == c && '*' == sqlString.charAt( indx+1 ) ) {
+				inDelimitedComment = true;
+				recognizer.other( c );
+				recognizer.other( sqlString.charAt( indx+1 ) );
+				indx++;
+			}
+			else if ( inDoubleQuotes ) {
+				if ( '\"' == c ) {
+					inDoubleQuotes = false;
+				}
+				recognizer.other( c );
+			}
+			else if ( '\"' == c ) {
+				inDoubleQuotes = true;
+				recognizer.other( c );
+			}
+			else if ( inSingleQuotes ) {
 				if ( '\'' == c ) {
-					inQuote = false;
+					inSingleQuotes = false;
 				}
 				recognizer.other( c );
 			}
 			else if ( '\'' == c ) {
-				inQuote = true;
+				inSingleQuotes = true;
 				recognizer.other( c );
 			}
 			else if ( '\\' == c ) {
diff --git a/hibernate-core/src/test/java/org/hibernate/engine/query/ParameterParserTest.java b/hibernate-core/src/test/java/org/hibernate/engine/query/ParameterParserTest.java
index 9ac3b98df9..abe02e7193 100644
--- a/hibernate-core/src/test/java/org/hibernate/engine/query/ParameterParserTest.java
+++ b/hibernate-core/src/test/java/org/hibernate/engine/query/ParameterParserTest.java
@@ -8,6 +8,7 @@ package org.hibernate.engine.query;
 
 import org.junit.Test;
 
+import org.hibernate.engine.query.spi.ParamLocationRecognizer;
 import org.hibernate.engine.query.spi.ParameterParser;
 import org.hibernate.testing.junit4.BaseUnitTestCase;
 
@@ -27,4 +28,32 @@ public class ParameterParserTest extends BaseUnitTestCase {
 				"from User u where u.userName = ? and u.userType = 'call'"
 		) );
 	}
+	@Test
+	public void testQuotedTextInComment() {
+		ParamLocationRecognizer recognizer = new ParamLocationRecognizer();
+
+		ParameterParser.parse("-- 'This' should not fail the test.\n"
+									  + "SELECT column FROM Table WHERE column <> :param", recognizer);
+
+		assertTrue(recognizer.getNamedParameterDescriptionMap().containsKey("param"));
+	}
+
+	@Test
+	public void testContractionInComment() {
+		ParamLocationRecognizer recognizer = new ParamLocationRecognizer();
+
+		ParameterParser.parse("-- This shouldn't fail the test.\n" + "SELECT column FROM Table WHERE column <> :param",
+							  recognizer);
+
+		assertTrue(recognizer.getNamedParameterDescriptionMap().containsKey("param"));
+	}
+
+	@Test
+	public void testApostropheInOracleAlias() {
+		ParamLocationRecognizer recognizer = new ParamLocationRecognizer();
+
+		ParameterParser.parse("SELECT column as \"Table's column\" FROM Table WHERE column <> :param", recognizer);
+
+		assertTrue(recognizer.getNamedParameterDescriptionMap().containsKey("param"));
+	}
 }