* [ 1662983 ] Convert cutting backslash from string

- Fixed escape issue.

dbPort/src/org/compiere/dbPort/Convert_PostgreSQL.java

@@ -192,6 +192,7 @@ public class Convert_PostgreSQL extends Convert_SQL92 {
 		for (int cont = 0; cont < retVars.size(); cont++) {
 			//hengsin, special character in replacement can cause exception
 			String replacement = (String) retVars.get(cont);
+			replacement = escapeBackSlash(replacement);
 			retValue = m.replaceFirst(Matcher.quoteReplacement(replacement));
 			if (retValue.indexOf(replacement) < 0)
 				System.err.println("Failed to recover: " + replacement);
@@ -200,6 +201,30 @@ public class Convert_PostgreSQL extends Convert_SQL92 {
 		return retValue;
 	}
 	
+	private String escapeBackSlash(String in)
+	{
+		StringBuffer out = new StringBuffer();
+		boolean escape = false;
+		int size = in.length();
+		for(int i = 0; i < size; i++) {
+			char c = in.charAt(i);
+			out.append(c);
+			if (c == '\\')
+			{
+				escape  = true;
+				out.append(c);
+			}
+		}
+		if (escape)
+		{
+			return "E" + out.toString();
+		}
+		else
+		{
+			return out.toString();
+		}
+	}
+
 	/**
 	 * Clean up Statement. Remove all comments and while spaces Database
 	 * specific functionality can me tagged as follows:

dbPort/src/org/compiere/dbPort/Convert_PostgreSQLTest.java

@@ -30,7 +30,12 @@ public final class Convert_PostgreSQLTest {
 		
 		//[ 1662983 ] Convert cutting backslash from string
 		sql = "SELECT 'C:\\Documentos\\Test' FROM DUAL";
-		sqe = "SELECT 'C:\\Documentos\\Test'";
+		sqe = "SELECT E'C:\\\\Documentos\\\\Test'";
+		r = convert.convert(sql);
+		verify(sql, r, sqe);
+		
+		sql = "SELECT 'C:Document' FROM DUAL";
+		sqe = "SELECT 'C:Document'";
 		r = convert.convert(sql);
 		verify(sql, r, sqe);