From 89de275db2b77d0abf9fa1ec066ef11e262c88af Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 24 Jan 2013 15:10:22 +0200
Subject: Add support for mapping char[N] to CHAR/VARCHAR database types
Also improve query support for arrays (decaying).
---
pgsql/types/driver.cxx | 35 +++++++++++++++++++++++++++++++++++
pgsql/types/test.hxx | 48 +++++++++++++++++++++++++++++++++++++++---------
2 files changed, 74 insertions(+), 9 deletions(-)
(limited to 'pgsql/types')
diff --git a/pgsql/types/driver.cxx b/pgsql/types/driver.cxx
index 8b969aa..d2e5e80 100644
--- a/pgsql/types/driver.cxx
+++ b/pgsql/types/driver.cxx
@@ -85,6 +85,41 @@ main (int argc, char* argv[])
assert (o == *o1);
}
+
+ // Test char array.
+ //
+ {
+ char_array o1 (1, "");
+ char_array o2 (2, "1234567890");
+ char_array o3 (3, "1234567890123456");
+
+
+ {
+ transaction t (db->begin ());
+ db->persist (o1);
+ db->persist (o2);
+ db->persist (o3);
+ t.commit ();
+ }
+
+ // PostgreSQL returns padded values for CHAR(N).
+ //
+ memcpy (o1.s2, " ", 16);
+ o1.s3[0] = o1.c1 = ' ';
+ memcpy (o2.s2, "1234567890 ", 16);
+
+ {
+ transaction t (db->begin ());
+ auto_ptr<char_array> p1 (db->load<char_array> (1));
+ auto_ptr<char_array> p2 (db->load<char_array> (2));
+ auto_ptr<char_array> p3 (db->load<char_array> (3));
+ t.commit ();
+
+ assert (o1 == *p1);
+ assert (o2 == *p2);
+ assert (o3 == *p3);
+ }
+ }
}
catch (const odb::exception& e)
{
diff --git a/pgsql/types/test.hxx b/pgsql/types/test.hxx
index 34f913f..3078576 100644
--- a/pgsql/types/test.hxx
+++ b/pgsql/types/test.hxx
@@ -9,7 +9,7 @@
#include <string>
#include <vector>
#include <memory> // std::auto_ptr
-#include <cstring> // std::memcmp
+#include <cstring> // std::memcmp, std::strncpy, std::str[n]cmp
#include <cstddef> // std::size_t
#include <odb/core.hxx>
@@ -79,14 +79,8 @@ enum color {red, green, blue};
#pragma db object
struct object
{
- object (unsigned long id)
- : id_ (id)
- {
- }
-
- object ()
- {
- }
+ object () {}
+ object (unsigned long id): id_ (id) {}
#pragma db id
unsigned long id_;
@@ -188,4 +182,40 @@ struct object
}
};
+// Test char array.
+//
+#pragma db object
+struct char_array
+{
+ char_array () {}
+ char_array (unsigned long id, const char* s)
+ : id_ (id)
+ {
+ std::strncpy (s1, s, sizeof (s1));
+ std::strncpy (s2, s, sizeof (s2));
+ s3[0] = c1 = *s;
+ }
+
+ #pragma db id
+ unsigned long id_;
+
+ char s1[17];
+
+ #pragma db type("CHAR(16)")
+ char s2[16];
+
+ char s3[1];
+ char c1;
+
+ bool
+ operator== (const char_array& y) const
+ {
+ return id_ == y.id_ &&
+ std::strcmp (s1, y.s1) == 0 &&
+ std::strncmp (s2, y.s2, sizeof (s2)) == 0 &&
+ s3[0] == y.s3[0] &&
+ c1 == y.c1;
+ }
+};
+
#endif // TEST_HXX
--
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