From b5d1e10786779be1dc1adb3c1641854b9113d736 Mon Sep 17 00:00:00 2001
From: Jacques Grove <aquarapid@gmail.com>
Date: Thu, 24 Oct 2019 21:14:53 -0700
Subject: [PATCH] Update docs for -on_ddl flag

---
 vreplgen/README.md   | 13 ++++++++++++-
 vreplgen/vreplgen.go |  2 +-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/vreplgen/README.md b/vreplgen/README.md
index 7d9d765..eb800af 100644
--- a/vreplgen/README.md
+++ b/vreplgen/README.md
@@ -2,7 +2,7 @@ A golang CLI utility to generate vtctlclient commands to add vreplication
 rules:
 
 ```
-Usage: ./vreplgen <tablet_id> <src_keyspace> <src_shard> <dest_keyspace> <dest_table1> 'filter1' [<dest_table2> 'filter2']...
+Usage: vreplgen [-on_ddl (ignore|stop|exec|exec_ignore)] <tablet_id> <src_keyspace> <src_shard> <dest_keyspace> <dest_table1> 'filter1' [<dest_table2> 'filter2']...
 ```
 
 E.g.:
@@ -30,3 +30,14 @@ you want `vreplgen` to generate, e.g.:
 ```
 export VTCTLCLIENT="vtctlclient -server vtctld:15999"
 ```
+
+Lastly, you can control the on_ddl flag using vreplgen. The default if you
+do not specify the `-on_ddl` option is `ignore`, but you can specify:
+
+  * `-on_ddl ignore`
+  * `-on_ddl stop`
+  * `-on_ddl exec`
+  * `-on_ddl exec_ignore`
+
+depending on how you want your DDL to be handled in your replication streams.
+See the main vreplication documentation for more details.
diff --git a/vreplgen/vreplgen.go b/vreplgen/vreplgen.go
index 7bfef78..f966973 100644
--- a/vreplgen/vreplgen.go
+++ b/vreplgen/vreplgen.go
@@ -46,7 +46,7 @@ func main() {
 	}
 
 	if (len(os.Args) < (7+argOffset)) {
-		fmt.Println("Usage: /vreplgen [-on_ddl (ignore|stop|exec|exec_ignore)] <tablet_id> <src_keyspace> <src_shard> <dest_keyspace> <dest_table1> 'filter1' [<dest_table2> 'filter2']...")
+		fmt.Println("Usage: vreplgen [-on_ddl (ignore|stop|exec|exec_ignore)] <tablet_id> <src_keyspace> <src_shard> <dest_keyspace> <dest_table1> 'filter1' [<dest_table2> 'filter2']...")
 		os.Exit(1)
 	}