From 73c7ab84ca985026221c881cfd7ef5d89d77579f Mon Sep 17 00:00:00 2001
From: Russ Tyndall <russ@acceleration.net>
Date: Mon, 30 Mar 2015 15:03:34 -0400
Subject: [PATCH 1/3] process reserved subtrees (case when exists etc)

---
 src/PHPSQL/Creator.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/PHPSQL/Creator.php b/src/PHPSQL/Creator.php
index 39b26e9..4eef23c 100644
--- a/src/PHPSQL/Creator.php
+++ b/src/PHPSQL/Creator.php
@@ -449,6 +449,7 @@ protected function processSubTree($parsed, $delim = " ") {
             $sql .= $this->processConstant($v);
             $sql .= $this->processSubQuery($v);
             $sql .= $this->processSelectBracketExpression($v);
+            $sql .= $this->processReserved($v);
 
             if ($len == strlen($sql)) {
                 throw new \PHPSQL\Exception\UnableToCreateSQL('expression subtree', $k, $v, 'expr_type');

From fc4b9b8e1bdcf28ef00dcc60f2dd63ec3a0b4ba2 Mon Sep 17 00:00:00 2001
From: Russ Tyndall <russ@acceleration.net>
Date: Tue, 21 Apr 2015 10:31:50 -0400
Subject: [PATCH 2/3] Adding some processFunction, processColRef that allow
 creation of a valid query I had just succesfully parsed

---
 src/PHPSQL/Creator.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/PHPSQL/Creator.php b/src/PHPSQL/Creator.php
index 4eef23c..ada074e 100644
--- a/src/PHPSQL/Creator.php
+++ b/src/PHPSQL/Creator.php
@@ -450,6 +450,7 @@ protected function processSubTree($parsed, $delim = " ") {
             $sql .= $this->processSubQuery($v);
             $sql .= $this->processSelectBracketExpression($v);
             $sql .= $this->processReserved($v);
+            $sql .= $this->processColRef($v);
 
             if ($len == strlen($sql)) {
                 throw new \PHPSQL\Exception\UnableToCreateSQL('expression subtree', $k, $v, 'expr_type');
@@ -471,6 +472,7 @@ protected function processRefClause($parsed) {
             $sql .= $this->processColRef($v);
             $sql .= $this->processOperator($v);
             $sql .= $this->processConstant($v);
+            $sql .= $this->processFunction($v);
 
             if ($len == strlen($sql)) {
                 throw new \PHPSQL\Exception\UnableToCreateSQL('expression ref_clause', $k, $v, 'expr_type');

From a03e3ce1ad6c298b4337e9f87c31546ab87d5304 Mon Sep 17 00:00:00 2001
From: root <root@wordpress01.acceleration.net>
Date: Tue, 21 Apr 2015 10:56:51 -0400
Subject: [PATCH 3/3] Fixing CAST statement generation (was putting a comma
 after the column name (before AS))

---
 src/PHPSQL/Creator.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/PHPSQL/Creator.php b/src/PHPSQL/Creator.php
index ada074e..6f0dd45 100644
--- a/src/PHPSQL/Creator.php
+++ b/src/PHPSQL/Creator.php
@@ -413,8 +413,8 @@ protected function processFunction($parsed) {
             if ($len == strlen($sql)) {
                 throw new \PHPSQL\Exception\UnableToCreateSQL('function subtree', $k, $v, 'expr_type');
             }
-
-            $sql .= ($this->isReserved($v) ? " " : ",");
+            $sql .= ($this->isReserved($v) || ($parsed['base_expr'] == 'CAST')
+                     ? " " : ",");
         }
         return $parsed['base_expr'] . "(" . substr($sql, 0, -1) . ")";
     }