From adadae917b981ec4cccc29951a0bf22edb8fe380 Mon Sep 17 00:00:00 2001
From: David Flatz
Date: Fri, 5 Oct 2018 15:49:10 +0200
Subject: fix addition of dynamic columns to record where dyncols is NULL

---
 it_dbi.class | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'it_dbi.class')

diff --git a/it_dbi.class b/it_dbi.class
index cee004a..d9688cd 100644
--- a/it_dbi.class
+++ b/it_dbi.class
@@ -281,7 +281,7 @@ function _set($tags, $force = false)
 		if ($force == "insert") # INSERT/REPLACE
 			$result[] = "dyncols = JSON_OBJECT(" . join(", ", (array)$alldyns) . ")";
 		else if ($newdyns)
-			$result[] = "dyncols = JSON_SET(dyncols, " . join(", ", $newdyns) .")";
+			$result[] = "dyncols = JSON_SET(" . ($this->_dyndata ? 'dyncols' : '"{}"') . ", " . join(", ", $newdyns) .")";
 	}
 
 	$this->_writes += $result ? 1 : 0;
@@ -682,7 +682,7 @@ function iterate()
 			foreach ((array)$this->_dyndata as $field => $dummy)
 				unset($this->$field);
 
-			foreach (($t = $this->_data['dyncols']) ? ($this->_dyndata = (array)json_decode($t, true)) : [] as $field => $value)
+			foreach (($this->_dyndata = ($t = $this->_data['dyncols']) ? (array)json_decode($t, true) : []) as $field => $value)
 				$this->_data[$field] = $value;
 			unset($this->_data['dyncols']);
 
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