From feae79af1ad415de5804d19c2f0dbce0e4bf4df4 Mon Sep 17 00:00:00 2001
From: mleku <me@mleku.dev>
Date: Tue, 2 Dec 2025 19:10:50 +0000
Subject: [PATCH] fix bug in cypher code that breaks queries

---
 pkg/neo4j/save-event.go | 13 +++++++++++++
 pkg/version/version     |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/pkg/neo4j/save-event.go b/pkg/neo4j/save-event.go
index 4ab9f35..80887b9 100644
--- a/pkg/neo4j/save-event.go
+++ b/pkg/neo4j/save-event.go
@@ -134,6 +134,10 @@ CREATE (e)-[:AUTHORED_BY]->(a)
 	eTagIndex := 0
 	pTagIndex := 0
 
+	// Track if we need to add WITH clause before OPTIONAL MATCH
+	// This is required because Cypher doesn't allow MATCH after CREATE without WITH
+	needsWithClause := true
+
 	// Only process tags if they exist
 	if ev.Tags != nil {
 		for _, tagItem := range *ev.Tags {
@@ -150,6 +154,15 @@ CREATE (e)-[:AUTHORED_BY]->(a)
 				paramName := fmt.Sprintf("eTag_%d", eTagIndex)
 				params[paramName] = tagValue
 
+				// Add WITH clause before first OPTIONAL MATCH to transition from CREATE to MATCH
+				if needsWithClause {
+					cypher += `
+// Carry forward event and author nodes for tag processing
+WITH e, a
+`
+					needsWithClause = false
+				}
+
 				cypher += fmt.Sprintf(`
 // Reference to event (e-tag)
 OPTIONAL MATCH (ref%d:Event {id: $%s})
diff --git a/pkg/version/version b/pkg/version/version
index e6ad33a..70a2a4c 100644
--- a/pkg/version/version
+++ b/pkg/version/version
@@ -1 +1 @@
-v0.31.8
\ No newline at end of file
+v0.31.9
\ No newline at end of file