From 09dbbd96c6d9e4c62ce8ef0ee083855fb5513836 Mon Sep 17 00:00:00 2001
From: Golgote <bmansion@mamasam.com>
Date: Sun, 2 May 2021 11:16:06 +0200
Subject: [PATCH 1/2] Add lateral joins for postgresql

---
 src/Pgsql/Select.php | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/src/Pgsql/Select.php b/src/Pgsql/Select.php
index 4da0891..1f67afc 100644
--- a/src/Pgsql/Select.php
+++ b/src/Pgsql/Select.php
@@ -19,4 +19,37 @@
  */
 class Select extends Common\Select
 {
+    /**
+     *
+     * Adds a LATERAL JOIN to an aliased subselect and columns to the query.
+     *
+     * @param string $join The join type: inner, left, natural, etc.
+     *
+     * @param string|Select $spec If a Select
+     * object, use as the sub-select; if a string, the sub-select
+     * command string.
+     *
+     * @param string $name The alias name for the sub-select.
+     *
+     * @param string $cond Join on this condition.
+     *
+     * @param array $bind Values to bind to ?-placeholders in the condition.
+     *
+     * @return $this
+     *
+     * @throws Exception
+     *
+     */
+    public function lateralJoinSubSelect($join, $spec, $name, $cond = null, array $bind = array())
+    {
+        $join = strtoupper(ltrim("$join JOIN LATERAL"));
+        $this->addTableRef("$join (SELECT ...) AS", $name);
+
+        $spec = $this->subSelect($spec, '            ');
+        $name = $this->quoter->quoteName($name);
+        $cond = $this->fixJoinCondition($cond, $bind);
+
+        $text = rtrim("$join ($spec        ) AS $name $cond");
+        return $this->addJoin('        ' . $text);
+    }
 }

From 6156272d02331c56e437826acf99b7d5cdf3e75d Mon Sep 17 00:00:00 2001
From: Golgote <bmansion@mamasam.com>
Date: Sun, 2 May 2021 12:07:31 +0200
Subject: [PATCH 2/2] No need for AS keyword

---
 src/Pgsql/Select.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Pgsql/Select.php b/src/Pgsql/Select.php
index 1f67afc..574b9a0 100644
--- a/src/Pgsql/Select.php
+++ b/src/Pgsql/Select.php
@@ -49,7 +49,7 @@ public function lateralJoinSubSelect($join, $spec, $name, $cond = null, array $b
         $name = $this->quoter->quoteName($name);
         $cond = $this->fixJoinCondition($cond, $bind);
 
-        $text = rtrim("$join ($spec        ) AS $name $cond");
+        $text = rtrim("$join ($spec        ) $name $cond");
         return $this->addJoin('        ' . $text);
     }
 }