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GET /api/patches/815903/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 815903,
    "url": "http://patchwork.ozlabs.org/api/patches/815903/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/20170919220125.32535-51-blp@ovn.org/",
    "project": {
        "id": 47,
        "url": "http://patchwork.ozlabs.org/api/projects/47/?format=api",
        "name": "Open vSwitch",
        "link_name": "openvswitch",
        "list_id": "ovs-dev.openvswitch.org",
        "list_email": "ovs-dev@openvswitch.org",
        "web_url": "http://openvswitch.org/",
        "scm_url": "git@github.com:openvswitch/ovs.git",
        "webscm_url": "https://github.com/openvswitch/ovs",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170919220125.32535-51-blp@ovn.org>",
    "list_archive_url": null,
    "date": "2017-09-19T22:01:23",
    "name": "[ovs-dev,RFC,50/52] ovsdb-client: Add new \"query\" command.",
    "commit_ref": null,
    "pull_url": null,
    "state": "rfc",
    "archived": false,
    "hash": "85972e4290cb3423224a042fb4ee4c7c7527f876",
    "submitter": {
        "id": 67603,
        "url": "http://patchwork.ozlabs.org/api/people/67603/?format=api",
        "name": "Ben Pfaff",
        "email": "blp@ovn.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20170919220125.32535-51-blp@ovn.org/mbox/",
    "series": [
        {
            "id": 3975,
            "url": "http://patchwork.ozlabs.org/api/series/3975/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=3975",
            "date": "2017-09-19T22:00:34",
            "name": "clustering implementation",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/3975/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/815903/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/815903/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<ovs-dev-bounces@openvswitch.org>",
        "X-Original-To": [
            "incoming@patchwork.ozlabs.org",
            "dev@openvswitch.org"
        ],
        "Delivered-To": [
            "patchwork-incoming@bilbo.ozlabs.org",
            "ovs-dev@mail.linuxfoundation.org"
        ],
        "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=openvswitch.org\n\t(client-ip=140.211.169.12; helo=mail.linuxfoundation.org;\n\tenvelope-from=ovs-dev-bounces@openvswitch.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from mail.linuxfoundation.org (mail.linuxfoundation.org\n\t[140.211.169.12])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xxcvF3r76z9sBW\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 20 Sep 2017 08:27:37 +1000 (AEST)",
            "from mail.linux-foundation.org (localhost [127.0.0.1])\n\tby mail.linuxfoundation.org (Postfix) with ESMTP id 62470D65;\n\tTue, 19 Sep 2017 22:03:02 +0000 (UTC)",
            "from smtp2.linuxfoundation.org (smtp2.linux-foundation.org\n\t[172.17.192.36])\n\tby mail.linuxfoundation.org (Postfix) with ESMTPS id 864D1D57\n\tfor <dev@openvswitch.org>; Tue, 19 Sep 2017 22:02:59 +0000 (UTC)",
            "from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net\n\t[217.70.183.196])\n\tby smtp2.linuxfoundation.org (Postfix) with ESMTPS id 0A7691DCE2\n\tfor <dev@openvswitch.org>; Tue, 19 Sep 2017 22:02:59 +0000 (UTC)",
            "from sigabrt.benpfaff.org (unknown [208.91.2.3])\n\t(Authenticated sender: blp@ovn.org)\n\tby relay4-d.mail.gandi.net (Postfix) with ESMTPSA id B6CE9172098;\n\tWed, 20 Sep 2017 00:02:56 +0200 (CEST)"
        ],
        "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6",
        "X-Originating-IP": "208.91.2.3",
        "From": "Ben Pfaff <blp@ovn.org>",
        "To": "dev@openvswitch.org",
        "Date": "Tue, 19 Sep 2017 15:01:23 -0700",
        "Message-Id": "<20170919220125.32535-51-blp@ovn.org>",
        "X-Mailer": "git-send-email 2.10.2",
        "In-Reply-To": "<20170919220125.32535-1-blp@ovn.org>",
        "References": "<20170919220125.32535-1-blp@ovn.org>",
        "X-Spam-Status": "No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW\n\tautolearn=ham version=3.3.1",
        "X-Spam-Checker-Version": "SpamAssassin 3.3.1 (2010-03-16) on\n\tsmtp2.linux-foundation.org",
        "Cc": "Ben Pfaff <blp@ovn.org>",
        "Subject": "[ovs-dev] [PATCH RFC 50/52] ovsdb-client: Add new \"query\" command.",
        "X-BeenThere": "ovs-dev@openvswitch.org",
        "X-Mailman-Version": "2.1.12",
        "Precedence": "list",
        "List-Id": "<ovs-dev.openvswitch.org>",
        "List-Unsubscribe": "<https://mail.openvswitch.org/mailman/options/ovs-dev>,\n\t<mailto:ovs-dev-request@openvswitch.org?subject=unsubscribe>",
        "List-Archive": "<http://mail.openvswitch.org/pipermail/ovs-dev/>",
        "List-Post": "<mailto:ovs-dev@openvswitch.org>",
        "List-Help": "<mailto:ovs-dev-request@openvswitch.org?subject=help>",
        "List-Subscribe": "<https://mail.openvswitch.org/mailman/listinfo/ovs-dev>,\n\t<mailto:ovs-dev-request@openvswitch.org?subject=subscribe>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Sender": "ovs-dev-bounces@openvswitch.org",
        "Errors-To": "ovs-dev-bounces@openvswitch.org"
    },
    "content": "Signed-off-by: Ben Pfaff <blp@ovn.org>\n---\n NEWS                 |  2 +-\n ovsdb/ovsdb-client.c | 42 ++++++++++++++++++++++++++++++++++++------\n 2 files changed, 37 insertions(+), 7 deletions(-)",
    "diff": "diff --git a/NEWS b/NEWS\nindex 9782818a1b0d..fc8db4965737 100644\n--- a/NEWS\n+++ b/NEWS\n@@ -7,7 +7,7 @@ Post-v2.8.0\n        \"ovsdb-client convert\".\n      * ovsdb-server now always hosts a built-in database named _Server.  See\n        ovsdb-server(5) for more details.\n-     * ovsdb-client: New \"get-schema-cksum\" command.\n+     * ovsdb-client: New \"get-schema-cksum\" and \"query\" commands.\n      * ovsdb-client: New \"backup\" and \"restore\" commands.\n    - ovs-vsctl and other commands that display data in tables now support a\n      --max-column-width option to limit column width.\ndiff --git a/ovsdb/ovsdb-client.c b/ovsdb/ovsdb-client.c\nindex 056aa25c8983..c153a978385a 100644\n--- a/ovsdb/ovsdb-client.c\n+++ b/ovsdb/ovsdb-client.c\n@@ -294,8 +294,11 @@ usage(void)\n            \"\\n  list-columns [SERVER] [DATABASE] [TABLE]\\n\"\n            \"    list columns in TABLE (or all tables) in DATABASE on SERVER\\n\"\n            \"\\n  transact [SERVER] TRANSACTION\\n\"\n-           \"    run TRANSACTION (a JSON array of operations) on SERVER\\n\"\n+           \"    run TRANSACTION (params for \\\"transact\\\" request) on SERVER\\n\"\n            \"    and print the results as JSON on stdout\\n\"\n+           \"\\n  query [SERVER] TRANSACTION\\n\"\n+           \"    run TRANSACTION (params for \\\"transact\\\" request) on SERVER,\\n\"\n+           \"    as read-only, and print the results as JSON on stdout\\n\"\n            \"\\n  monitor [SERVER] [DATABASE] TABLE [COLUMN,...]...\\n\"\n            \"    monitor contents of COLUMNs in TABLE in DATABASE on SERVER.\\n\"\n            \"    COLUMNs may include !initial, !insert, !delete, !modify\\n\"\n@@ -584,13 +587,9 @@ send_db_change_aware(struct jsonrpc *rpc)\n }\n \n static void\n-do_transact(struct jsonrpc *rpc, const char *database OVS_UNUSED,\n-            int argc OVS_UNUSED, char *argv[])\n+do_transact__(struct jsonrpc *rpc, struct json *transaction)\n {\n     struct jsonrpc_msg *request, *reply;\n-    struct json *transaction;\n-\n-    transaction = parse_json(argv[0]);\n \n     if (db_change_aware == 1) {\n         send_db_change_aware(rpc);\n@@ -605,6 +604,36 @@ do_transact(struct jsonrpc *rpc, const char *database OVS_UNUSED,\n     putchar('\\n');\n     jsonrpc_msg_destroy(reply);\n }\n+\n+static void\n+do_transact(struct jsonrpc *rpc, const char *database OVS_UNUSED,\n+            int argc OVS_UNUSED, char *argv[])\n+{\n+    do_transact__(rpc, parse_json(argv[0]));\n+}\n+\n+static void\n+do_query(struct jsonrpc *rpc, const char *database OVS_UNUSED,\n+         int argc OVS_UNUSED, char *argv[])\n+{\n+    struct json *transaction = parse_json(argv[0]);\n+\n+    /* Ensure that 'transaction' is a 2-element array, whose second element is\n+     * also an array.  The second element is the array of operations in the\n+     * query. */\n+    if (transaction->type != JSON_ARRAY\n+        || transaction->u.array.n != 2\n+        || transaction->u.array.elems[1]->type != JSON_ARRAY) {\n+        ovs_fatal(0, \"not a valid OVSDB query\");\n+    }\n+\n+    /* Append an \"abort\" operation to the query. */\n+    struct json *abort_op = json_object_create();\n+    json_object_put_string(abort_op, \"op\", \"abort\");\n+    json_array_add(transaction->u.array.elems[1], abort_op);\n+\n+    do_transact__(rpc, transaction);\n+}\n \f\n /* \"monitor\" command. */\n \n@@ -1922,6 +1951,7 @@ static const struct ovsdb_client_command all_commands[] = {\n     { \"list-tables\",        NEED_DATABASE, 0, 0,       do_list_tables },\n     { \"list-columns\",       NEED_DATABASE, 0, 1,       do_list_columns },\n     { \"transact\",           NEED_RPC,      1, 1,       do_transact },\n+    { \"query\",              NEED_RPC,      1, 1,       do_query },\n     { \"monitor\",            NEED_DATABASE, 1, INT_MAX, do_monitor },\n     { \"monitor-cond\",       NEED_DATABASE, 2, 3,       do_monitor_cond },\n     { \"convert\",            NEED_RPC,      1, 1,       do_convert },\n",
    "prefixes": [
        "ovs-dev",
        "RFC",
        "50/52"
    ]
}