diff --git a/.sqlx/query-2ad9bedeb45f3d474709aaea4415b5fe4d229c693b46f5db725ce14191a4a149.json b/.sqlx/query-2ad9bedeb45f3d474709aaea4415b5fe4d229c693b46f5db725ce14191a4a149.json
new file mode 100644
index 0000000..dd85239
--- /dev/null
+++ b/.sqlx/query-2ad9bedeb45f3d474709aaea4415b5fe4d229c693b46f5db725ce14191a4a149.json
@@ -0,0 +1,114 @@
+{
+  "db_name": "MySQL",
+  "query": "\n        SELECT\n            s.id as id,\n            s.begin as begin,\n            s.end as end,\n            ss.instance_id as instance_id,\n            ss.instance_name as instance_name,\n            f.id as flavor,\n            f.name as flavor_name,\n            ss.status as status,\n            u.id as user,\n            u.name as username\n        FROM\n            accounting_state as s,\n            accounting_serverstate as ss,\n            resources_flavor as f,\n            user_user as u\n        WHERE\n            ss.flavor_id = f.id AND\n            ss.user_id = u.id AND\n            ss.state_ptr_id = s.id\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": {
+          "type": "Long",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 11
+        }
+      },
+      {
+        "ordinal": 1,
+        "name": "begin",
+        "type_info": {
+          "type": "Datetime",
+          "flags": "NOT_NULL | BINARY | NO_DEFAULT_VALUE",
+          "max_size": 26
+        }
+      },
+      {
+        "ordinal": 2,
+        "name": "end",
+        "type_info": {
+          "type": "Datetime",
+          "flags": "BINARY",
+          "max_size": 26
+        }
+      },
+      {
+        "ordinal": 3,
+        "name": "instance_id",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 144
+        }
+      },
+      {
+        "ordinal": 4,
+        "name": "instance_name",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 1020
+        }
+      },
+      {
+        "ordinal": 5,
+        "name": "flavor",
+        "type_info": {
+          "type": "LongLong",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 20
+        }
+      },
+      {
+        "ordinal": 6,
+        "name": "flavor_name",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | UNIQUE_KEY | NO_DEFAULT_VALUE",
+          "max_size": 256
+        }
+      },
+      {
+        "ordinal": 7,
+        "name": "status",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 72
+        }
+      },
+      {
+        "ordinal": 8,
+        "name": "user",
+        "type_info": {
+          "type": "Long",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 11
+        }
+      },
+      {
+        "ordinal": 9,
+        "name": "username",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | UNIQUE_KEY | NO_DEFAULT_VALUE",
+          "max_size": 1020
+        }
+      }
+    ],
+    "parameters": {
+      "Right": 0
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "2ad9bedeb45f3d474709aaea4415b5fe4d229c693b46f5db725ce14191a4a149"
+}
diff --git a/.sqlx/query-3f2444f46ef7f465daf461fbfd77076ebc23be6df2c7ecddcd41aac201f732ce.json b/.sqlx/query-3f2444f46ef7f465daf461fbfd77076ebc23be6df2c7ecddcd41aac201f732ce.json
new file mode 100644
index 0000000..9458a1e
--- /dev/null
+++ b/.sqlx/query-3f2444f46ef7f465daf461fbfd77076ebc23be6df2c7ecddcd41aac201f732ce.json
@@ -0,0 +1,114 @@
+{
+  "db_name": "MySQL",
+  "query": "\n        SELECT\n            s.id as id,\n            s.begin as begin,\n            s.end as end,\n            ss.instance_id as instance_id,\n            ss.instance_name as instance_name,\n            f.id as flavor,\n            f.name as flavor_name,\n            ss.status as status,\n            u.id as user,\n            u.name as username\n        FROM\n            accounting_state as s,\n            accounting_serverstate as ss,\n            resources_flavor as f,\n            user_user as u\n        WHERE\n            ss.flavor_id = f.id AND\n            ss.user_id = u.id AND\n            ss.state_ptr_id = s.id AND\n            ss.instance_id = ?\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": {
+          "type": "Long",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 11
+        }
+      },
+      {
+        "ordinal": 1,
+        "name": "begin",
+        "type_info": {
+          "type": "Datetime",
+          "flags": "NOT_NULL | BINARY | NO_DEFAULT_VALUE",
+          "max_size": 26
+        }
+      },
+      {
+        "ordinal": 2,
+        "name": "end",
+        "type_info": {
+          "type": "Datetime",
+          "flags": "BINARY",
+          "max_size": 26
+        }
+      },
+      {
+        "ordinal": 3,
+        "name": "instance_id",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 144
+        }
+      },
+      {
+        "ordinal": 4,
+        "name": "instance_name",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 1020
+        }
+      },
+      {
+        "ordinal": 5,
+        "name": "flavor",
+        "type_info": {
+          "type": "LongLong",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 20
+        }
+      },
+      {
+        "ordinal": 6,
+        "name": "flavor_name",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | UNIQUE_KEY | NO_DEFAULT_VALUE",
+          "max_size": 256
+        }
+      },
+      {
+        "ordinal": 7,
+        "name": "status",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 72
+        }
+      },
+      {
+        "ordinal": 8,
+        "name": "user",
+        "type_info": {
+          "type": "Long",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 11
+        }
+      },
+      {
+        "ordinal": 9,
+        "name": "username",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | UNIQUE_KEY | NO_DEFAULT_VALUE",
+          "max_size": 1020
+        }
+      }
+    ],
+    "parameters": {
+      "Right": 1
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "3f2444f46ef7f465daf461fbfd77076ebc23be6df2c7ecddcd41aac201f732ce"
+}
diff --git a/.sqlx/query-4dcd65beccfae44697aeb056f1746ff5c743d79fe7295a3cc9e2893e102e4fa1.json b/.sqlx/query-4dcd65beccfae44697aeb056f1746ff5c743d79fe7295a3cc9e2893e102e4fa1.json
new file mode 100644
index 0000000..4024864
--- /dev/null
+++ b/.sqlx/query-4dcd65beccfae44697aeb056f1746ff5c743d79fe7295a3cc9e2893e102e4fa1.json
@@ -0,0 +1,114 @@
+{
+  "db_name": "MySQL",
+  "query": "\n        SELECT\n            s.id as id,\n            s.begin as begin,\n            s.end as end,\n            ss.instance_id as instance_id,\n            ss.instance_name as instance_name,\n            f.id as flavor,\n            f.name as flavor_name,\n            ss.status as status,\n            u.id as user,\n            u.name as username\n        FROM\n            accounting_state as s,\n            accounting_serverstate as ss,\n            resources_flavor as f,\n            user_user as u\n        WHERE\n            ss.flavor_id = f.id AND\n            ss.user_id = u.id AND\n            ss.state_ptr_id = s.id AND\n            u.id = ?\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": {
+          "type": "Long",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 11
+        }
+      },
+      {
+        "ordinal": 1,
+        "name": "begin",
+        "type_info": {
+          "type": "Datetime",
+          "flags": "NOT_NULL | BINARY | NO_DEFAULT_VALUE",
+          "max_size": 26
+        }
+      },
+      {
+        "ordinal": 2,
+        "name": "end",
+        "type_info": {
+          "type": "Datetime",
+          "flags": "BINARY",
+          "max_size": 26
+        }
+      },
+      {
+        "ordinal": 3,
+        "name": "instance_id",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 144
+        }
+      },
+      {
+        "ordinal": 4,
+        "name": "instance_name",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 1020
+        }
+      },
+      {
+        "ordinal": 5,
+        "name": "flavor",
+        "type_info": {
+          "type": "LongLong",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 20
+        }
+      },
+      {
+        "ordinal": 6,
+        "name": "flavor_name",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | UNIQUE_KEY | NO_DEFAULT_VALUE",
+          "max_size": 256
+        }
+      },
+      {
+        "ordinal": 7,
+        "name": "status",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 72
+        }
+      },
+      {
+        "ordinal": 8,
+        "name": "user",
+        "type_info": {
+          "type": "Long",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 11
+        }
+      },
+      {
+        "ordinal": 9,
+        "name": "username",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | UNIQUE_KEY | NO_DEFAULT_VALUE",
+          "max_size": 1020
+        }
+      }
+    ],
+    "parameters": {
+      "Right": 1
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "4dcd65beccfae44697aeb056f1746ff5c743d79fe7295a3cc9e2893e102e4fa1"
+}
diff --git a/.sqlx/query-bec56baf5986aaf65eb6412f51757c015c9e54e10bba81b7f2a999016cefe0ec.json b/.sqlx/query-bec56baf5986aaf65eb6412f51757c015c9e54e10bba81b7f2a999016cefe0ec.json
new file mode 100644
index 0000000..7225a06
--- /dev/null
+++ b/.sqlx/query-bec56baf5986aaf65eb6412f51757c015c9e54e10bba81b7f2a999016cefe0ec.json
@@ -0,0 +1,114 @@
+{
+  "db_name": "MySQL",
+  "query": "\n        SELECT\n            s.id as id,\n            s.begin as begin,\n            s.end as end,\n            ss.instance_id as instance_id,\n            ss.instance_name as instance_name,\n            f.id as flavor,\n            f.name as flavor_name,\n            ss.status as status,\n            u.id as user,\n            u.name as username\n        FROM\n            accounting_state as s,\n            accounting_serverstate as ss,\n            resources_flavor as f,\n            user_user as u\n        WHERE\n            ss.flavor_id = f.id AND\n            ss.user_id = u.id AND\n            ss.state_ptr_id = s.id AND\n            u.project_id = ?\n        ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "id",
+        "type_info": {
+          "type": "Long",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 11
+        }
+      },
+      {
+        "ordinal": 1,
+        "name": "begin",
+        "type_info": {
+          "type": "Datetime",
+          "flags": "NOT_NULL | BINARY | NO_DEFAULT_VALUE",
+          "max_size": 26
+        }
+      },
+      {
+        "ordinal": 2,
+        "name": "end",
+        "type_info": {
+          "type": "Datetime",
+          "flags": "BINARY",
+          "max_size": 26
+        }
+      },
+      {
+        "ordinal": 3,
+        "name": "instance_id",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 144
+        }
+      },
+      {
+        "ordinal": 4,
+        "name": "instance_name",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 1020
+        }
+      },
+      {
+        "ordinal": 5,
+        "name": "flavor",
+        "type_info": {
+          "type": "LongLong",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 20
+        }
+      },
+      {
+        "ordinal": 6,
+        "name": "flavor_name",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | UNIQUE_KEY | NO_DEFAULT_VALUE",
+          "max_size": 256
+        }
+      },
+      {
+        "ordinal": 7,
+        "name": "status",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | NO_DEFAULT_VALUE",
+          "max_size": 72
+        }
+      },
+      {
+        "ordinal": 8,
+        "name": "user",
+        "type_info": {
+          "type": "Long",
+          "flags": "NOT_NULL | PRIMARY_KEY | AUTO_INCREMENT",
+          "max_size": 11
+        }
+      },
+      {
+        "ordinal": 9,
+        "name": "username",
+        "type_info": {
+          "type": "VarString",
+          "flags": "NOT_NULL | UNIQUE_KEY | NO_DEFAULT_VALUE",
+          "max_size": 1020
+        }
+      }
+    ],
+    "parameters": {
+      "Right": 1
+    },
+    "nullable": [
+      false,
+      false,
+      true,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "bec56baf5986aaf65eb6412f51757c015c9e54e10bba81b7f2a999016cefe0ec"
+}