From 6a6095112daabd18d445ecf0d4c05e993e54236c Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 21 Aug 2011 10:47:30 +0200
Subject: Add support for multi-pass database schema drop

---
 odb/relational/schema.cxx | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'odb/relational/schema.cxx')

diff --git a/odb/relational/schema.cxx b/odb/relational/schema.cxx
index a347d49..c55837e 100644
--- a/odb/relational/schema.cxx
+++ b/odb/relational/schema.cxx
@@ -182,7 +182,7 @@ namespace relational
 
       schema_emitter emitter;
 
-      // Drop. It is essentially pass 0.
+      // Drop.
       //
       {
         traversal::unit unit;
@@ -197,7 +197,14 @@ namespace relational
 
         ns >> ns_defines >> ns;
         ns_defines >> c;
-        unit.dispatch (ctx.unit);
+
+        // Pass 1 and 2.
+        //
+        for (unsigned short pass (1); pass < 3; ++pass)
+        {
+          c->pass (pass);
+          unit.dispatch (ctx.unit);
+        }
       }
 
       os << endl;
-- 
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