[pgjdbc/pgjdbc] 201daf: fix: better parsing for returning keyword

Branch: refs/heads/master
Home: https://github.com/pgjdbc/pgjdbc
Commit: 201daf1dc916bbc35e2bbec961aebfd1b1e30bfc
https://github.com/pgjdbc/pgjdbc/commit/201daf1dc916bbc35e2bbec961aebfd1b1e30bfc
Author: Vladimir Sitnikov <sitnikov(dot)vladimir(at)gmail(dot)com>
Date: 2017-07-04 (Tue, 04 Jul 2017)

Changed paths:
M pgjdbc/src/main/java/org/postgresql/core/Parser.java
M pgjdbc/src/test/java/org/postgresql/core/ParserTest.java
A pgjdbc/src/test/java/org/postgresql/core/ReturningParserTest.java
M pgjdbc/src/test/java/org/postgresql/test/jdbc2/Jdbc2TestSuite.java
M pgjdbc/src/test/java/org/postgresql/test/jdbc2/QuotationTest.java

Log Message:
-----------
fix: better parsing for returning keyword

Note: things like insert into ... select 1 returning from ... are still considered as "having returning keyword"

fixes #824