Second half of infrastructure for Connection::query

There are weird dropck issues introduced here that require those extra
semicolons in the test code.

Author: sfackler

src/rows.rs

@@ -16,6 +16,7 @@ use message::FrontendMessage::*;
 
 enum StatementContainer<'a> {
     Borrowed(&'a Statement<'a>),
+    Owned(Statement<'a>),
 }
 
 impl<'a> Deref for StatementContainer<'a> {
@@ -24,6 +25,7 @@ impl<'a> Deref for StatementContainer<'a> {
     fn deref(&self) -> &Statement<'a> {
         match *self {
             StatementContainer::Borrowed(s) => s,
+            StatementContainer::Owned(ref s) => s,
         }
     }
 }

tests/test.rs

@@ -385,7 +385,7 @@ FROM (SELECT gs.i
         Err(Error::DbError(ref e)) if e.code() == &CardinalityViolation => {}
         Err(err) => panic!("Unexpected error {:?}", err),
         Ok(_) => panic!("Expected failure"),
-    }
+    };
 }
 
 #[test]
@@ -751,7 +751,7 @@ fn test_execute_copy_from_err() {
         Err(Error::DbError(ref err)) if err.message().contains("COPY") => {}
         Err(err) => panic!("Unexpected error {:?}", err),
         _ => panic!("Expected error"),
-    }
+    };
 }
 
 #[test]
@@ -810,7 +810,7 @@ fn test_query_copy_out_err() {
         Ok(_) => panic!("unexpected success"),
         Err(Error::IoError(ref e)) if e.to_string().contains("COPY") => {}
         Err(e) => panic!("unexpected error {:?}", e),
-    }
+    };
 }
 
 #[test]

tests/types/mod.rs

@@ -219,7 +219,7 @@ fn test_slice_wrong_type() {
         Ok(_) => panic!("Unexpected success"),
         Err(Error::WrongType(..)) => {}
         Err(e) => panic!("Unexpected error {:?}", e),
-    }
+    };
 }
 
 #[test]
@@ -231,5 +231,5 @@ fn test_slice_range() {
         Ok(_) => panic!("Unexpected success"),
         Err(Error::WrongType(..)) => {}
         Err(e) => panic!("Unexpected error {:?}", e),
-    }
+    };
 }