From 5ccb8ff28beedd9288c077f0f7509a79a819929e Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 19 Sep 2014 14:43:55 +0200
Subject: Call tracer::prepare() before actually preparing statement

This way we give the user the ability to see an invalid statement
that would cause the preparation step to fail.
---
 odb/pgsql/statement.cxx | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/odb/pgsql/statement.cxx b/odb/pgsql/statement.cxx
index 094aa40..cf3e181 100644
--- a/odb/pgsql/statement.cxx
+++ b/odb/pgsql/statement.cxx
@@ -66,23 +66,23 @@ namespace odb
     void statement::
     deallocate ()
     {
-      if (deallocated_)
-        return;
-
+      if (!deallocated_)
       {
-        odb::tracer* t;
-        if ((t = conn_.transaction_tracer ()) ||
-            (t = conn_.tracer ()) ||
-            (t = conn_.database ().tracer ()))
-          t->deallocate (conn_, *this);
-      }
+        {
+          odb::tracer* t;
+          if ((t = conn_.transaction_tracer ()) ||
+              (t = conn_.tracer ()) ||
+              (t = conn_.database ().tracer ()))
+            t->deallocate (conn_, *this);
+        }
 
-      string s ("deallocate \"");
-      s += name_;
-      s += "\"";
+        string s ("deallocate \"");
+        s += name_;
+        s += "\"";
 
-      auto_handle<PGresult> h (PQexec (conn_.handle (), s.c_str ()));
-      deallocated_ = true;
+        auto_handle<PGresult> h (PQexec (conn_.handle (), s.c_str ()));
+        deallocated_ = true;
+      }
     }
 
     statement::
-- 
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