pg_upgrade: properly handle timeline variables

There is no behavior change here as we now always set the timeline to
one.

Report by Tom Lane

Backpatch to 9.3 and 9.4

diff --git a/contrib/pg_upgrade/controldata.c b/contrib/pg_upgrade/controldata.c
index b0da994c14114f9dad46b0536ddf7995e06a95b4..2a4b636245fa6b480ca5c1a63c3123b0faeb4f38 100644 (file)
--- a/contrib/pg_upgrade/controldata.c
+++ b/contrib/pg_upgrade/controldata.c
@@ -229,7 +229,7 @@ get_control_data(ClusterInfo *cluster, bool live_check)
                pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__);
 
            p++;                /* removing ':' char */
-           cluster->controldata.chkpnt_tli = str2uint(p);
+           tli = str2uint(p);
            got_tli = true;
        }
        else if ((p = strstr(bufin, "Latest checkpoint's NextXID:")) != NULL)
@@ -479,11 +479,11 @@ get_control_data(ClusterInfo *cluster, bool live_check)
     * Before 9.3, pg_resetxlog reported the xlogid and segno of the first log
     * file after reset as separate lines. Starting with 9.3, it reports the
     * WAL file name. If the old cluster is older than 9.3, we construct the
-    * WAL file name from the xlogid and segno.
+    * WAL file name from the tli, xlogid, and segno.
     */
    if (GET_MAJOR_VERSION(cluster->major_version) <= 902)
    {
-       if (got_log_id && got_log_seg)
+       if (got_tli && got_log_id && got_log_seg)
        {
            snprintf(cluster->controldata.nextxlogfile, 25, "%08X%08X%08X",
                     tli, logid, segno);
@@ -497,7 +497,6 @@ get_control_data(ClusterInfo *cluster, bool live_check)
        (!got_oldestmulti &&
         cluster->controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER) ||
        (!live_check && !got_nextxlogfile) ||
-       !got_tli ||
        !got_align || !got_blocksz || !got_largesz || !got_walsz ||
        !got_walseg || !got_ident || !got_index || !got_toast ||
        !got_date_is_int || !got_float8_pass_by_value || !got_data_checksum_version)
@@ -525,9 +524,6 @@ get_control_data(ClusterInfo *cluster, bool live_check)
        if (!live_check && !got_nextxlogfile)
            pg_log(PG_REPORT, "  first WAL segment after reset\n");
 
-       if (!got_tli)
-           pg_log(PG_REPORT, "  latest checkpoint timeline ID\n");
-
        if (!got_align)
            pg_log(PG_REPORT, "  maximum alignment\n");
 

diff --git a/contrib/pg_upgrade/pg_upgrade.h b/contrib/pg_upgrade/pg_upgrade.h
index f50388fedbd70a40ceefcc98de37efc27b61fe37..85c737932dfe56b03f7fdf27626f7b2329b63ff6 100644 (file)
--- a/contrib/pg_upgrade/pg_upgrade.h
+++ b/contrib/pg_upgrade/pg_upgrade.h
@@ -186,7 +186,6 @@ typedef struct
    uint32      ctrl_ver;
    uint32      cat_ver;
    char        nextxlogfile[25];
-   uint32      chkpnt_tli;
    uint32      chkpnt_nxtxid;
    uint32      chkpnt_nxtepoch;
    uint32      chkpnt_nxtoid;