From e440e73a889c8929730632d62ebc84e32475b549 Mon Sep 17 00:00:00 2001
From: Constantin Michael <constantin@codesynthesis.com>
Date: Wed, 13 Jul 2011 11:03:13 +0200
Subject: Add PostgreSQL

---
 schema/custom/database.hxx   | 16 +++++++++++++++-
 schema/custom/driver.cxx     | 42 ++++++++++++++++++++++++++++++++++++++++++
 schema/embedded/database.hxx |  8 +++++++-
 3 files changed, 64 insertions(+), 2 deletions(-)

(limited to 'schema')

diff --git a/schema/custom/database.hxx b/schema/custom/database.hxx
index 932e6c4..82441b7 100644
--- a/schema/custom/database.hxx
+++ b/schema/custom/database.hxx
@@ -1,4 +1,4 @@
-// file      : schema/custom/database.hxx
+// file      : template/database.hxx
 // author    : Boris Kolpackov <boris@codesynthesis.com>
 // copyright : not copyrighted - public domain
 
@@ -20,6 +20,8 @@
 #  include <odb/mysql/database.hxx>
 #elif defined(DATABASE_SQLITE)
 #  include <odb/sqlite/database.hxx>
+#elif defined(DATABASE_PGSQL)
+#  include <odb/pgsql/database.hxx>
 #endif
 
 inline std::auto_ptr<odb::database>
@@ -37,6 +39,8 @@ create_database (int& argc, char* argv[])
     odb::mysql::database::print_usage (cerr);
 #elif defined(DATABASE_SQLITE)
     odb::sqlite::database::print_usage (cerr);
+#elif defined(DATABASE_PGSQL)
+    odb::pgsql::database::print_usage (cerr);
 #endif
 
     exit (0);
@@ -48,6 +52,16 @@ create_database (int& argc, char* argv[])
   auto_ptr<database> db (
     new odb::sqlite::database (
       argc, argv, false, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE));
+
+  // Create the database schema.
+  //
+  {
+    transaction t (db->begin ());
+    schema_catalog::create_schema (*db);
+    t.commit ();
+  }
+#elif defined(DATABASE_PGSQL)
+  auto_ptr<database> db (new odb::pgsql::database (argc, argv));
 #endif
 
   return db;
diff --git a/schema/custom/driver.cxx b/schema/custom/driver.cxx
index 3e49c72..d08bb62 100644
--- a/schema/custom/driver.cxx
+++ b/schema/custom/driver.cxx
@@ -26,6 +26,7 @@ main (int argc, char* argv[])
 
     // Create the database schema.
     //
+#if defined(DATABASE_MYSQL) || defined(DATABASE_SQLITE)
     {
       transaction t (db->begin ());
 
@@ -60,6 +61,47 @@ main (int argc, char* argv[])
 
       t.commit ();
     }
+#elif defined(DATABASE_PGSQL)
+    {
+      // PostgreSQL-specific SQL.
+      //
+      transaction t (db->begin ());
+
+      db->execute ("DROP TABLE IF EXISTS \"Employer\" CASCADE");
+      db->execute ("DROP TABLE IF EXISTS \"Employee\" CASCADE");
+      db->execute ("DROP TABLE IF EXISTS \"EmployeeDegree\" CASCADE");
+
+      db->execute (
+        "CREATE TABLE \"Employer\" ("
+        "name VARCHAR (255) NOT NULL PRIMARY KEY)");
+
+      db->execute (
+        "CREATE TABLE \"Employee\" ("
+        "ssn INTEGER NOT NULL PRIMARY KEY,"
+        "first_name VARCHAR (255) NOT NULL,"
+        "last_name VARCHAR (255) NOT NULL,"
+        "employer VARCHAR (255) NOT NULL)");
+
+      db->execute (
+        "CREATE TABLE \"EmployeeDegree\" ("
+        "ssn INTEGER NOT NULL,"
+        "degree VARCHAR (255) NOT NULL)");
+
+      db->execute (
+        "ALTER TABLE \"Employee\" "
+        "ADD FOREIGN KEY (employer) "
+        "REFERENCES \"Employer\" "
+        "INITIALLY DEFERRED");
+
+      db->execute (
+        "ALTER TABLE \"EmployeeDegree\" "
+        "ADD FOREIGN KEY (ssn) "
+        "REFERENCES \"Employee\" "
+        "INITIALLY DEFERRED");
+
+      t.commit ();
+    }
+#endif
 
     // Create a few persistent objects.
     //
diff --git a/schema/embedded/database.hxx b/schema/embedded/database.hxx
index ab733e2..82441b7 100644
--- a/schema/embedded/database.hxx
+++ b/schema/embedded/database.hxx
@@ -1,4 +1,4 @@
-// file      : schema/embedded/database.hxx
+// file      : template/database.hxx
 // author    : Boris Kolpackov <boris@codesynthesis.com>
 // copyright : not copyrighted - public domain
 
@@ -20,6 +20,8 @@
 #  include <odb/mysql/database.hxx>
 #elif defined(DATABASE_SQLITE)
 #  include <odb/sqlite/database.hxx>
+#elif defined(DATABASE_PGSQL)
+#  include <odb/pgsql/database.hxx>
 #endif
 
 inline std::auto_ptr<odb::database>
@@ -37,6 +39,8 @@ create_database (int& argc, char* argv[])
     odb::mysql::database::print_usage (cerr);
 #elif defined(DATABASE_SQLITE)
     odb::sqlite::database::print_usage (cerr);
+#elif defined(DATABASE_PGSQL)
+    odb::pgsql::database::print_usage (cerr);
 #endif
 
     exit (0);
@@ -56,6 +60,8 @@ create_database (int& argc, char* argv[])
     schema_catalog::create_schema (*db);
     t.commit ();
   }
+#elif defined(DATABASE_PGSQL)
+  auto_ptr<database> db (new odb::pgsql::database (argc, argv));
 #endif
 
   return db;
-- 
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