Parse InnoDB_trx_id as a string.

bin/pt-query-digest

@@ -13099,6 +13099,7 @@ sub main {
          Error_no      => 'string',
          Last_errno    => 'string',
          Thread_id     => 'string',
+         InnoDB_trx_id => 'string',
          Killed        => 'bool',
       };
 

t/lib/EventAggregator.t

@@ -9,7 +9,7 @@ BEGIN {
 use strict;
 use warnings FATAL => 'all';
 use English qw(-no_match_vars);
-use Test::More tests => 80;
+use Test::More tests => 81;
 
 use QueryRewriter;
 use EventAggregator;
@@ -1906,6 +1906,24 @@ cmp_ok(
    "Saved no more than 1_000 CRCs"
 );
 
+# #############################################################################
+# Bug 821694: pt-query-digest doesn't recognize hex InnoDB txn IDs
+# #############################################################################
+$ea = new EventAggregator(
+   groupby      => 'arg',
+   worst        => 'Query_time',
+   unroll_limit => 5,
+   type_for     => {
+      'InnoDB_trx_id' => 'string',
+   },
+);
+parse_file('t/lib/samples/slowlogs/slow054.txt', $p, $ea);
+is(
+   $ea->{result_classes}->{'SELECT * FROM foo WHERE id=1'}->{InnoDB_trx_id}->{cnt},
+   8,
+   "Parse InnoDB_trx_id as string"
+);
+
 # #############################################################################
 # Done.
 # #############################################################################

t/lib/samples/slowlogs/slow054.txt

@@ -0,0 +1,32 @@
+# Time: 110208 12:00:01
+# Query_time: 0.000012  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0
+# InnoDB_trx_id: 101
+SELECT * FROM foo WHERE id=1;
+# Time: 110208 12:00:01
+# Query_time: 0.000012  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0
+# InnoDB_trx_id: 102
+SELECT * FROM foo WHERE id=1;
+# Time: 110208 12:00:01
+# Query_time: 0.000012  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0
+# InnoDB_trx_id: 103
+SELECT * FROM foo WHERE id=1;
+# Time: 110208 12:00:01
+# Query_time: 0.000012  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0
+# InnoDB_trx_id: 104
+SELECT * FROM foo WHERE id=1;
+# Time: 110208 12:00:01
+# Query_time: 0.000012  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0
+# InnoDB_trx_id: 105
+SELECT * FROM foo WHERE id=1;
+# Time: 110208 12:00:01
+# Query_time: 0.000012  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0
+# InnoDB_trx_id: 106
+SELECT * FROM foo WHERE id=1;
+# Time: 110208 12:00:01
+# Query_time: 0.000012  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0
+# InnoDB_trx_id: A07
+SELECT * FROM foo WHERE id=1;
+# Time: 110208 12:00:01
+# Query_time: 0.000012  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0
+# InnoDB_trx_id: A08
+SELECT * FROM foo WHERE id=1;

t/pt-query-digest/samples/slow054.txt

@@ -0,0 +1,30 @@
+
+# Query 1: 0 QPS, 0x concurrency, ID 0xBB11C6B7F3BAAB30 at byte 1058 _____
+# This item is included in the report because it matches --limit.
+# Scores: Apdex = 1.00 [1.0]*, V/M = 0.00
+# Query_time sparkline: | ^      |
+# Time range: all events occurred at 2011-02-08 12:00:01
+# Attribute    pct   total     min     max     avg     95%  stddev  median
+# ============ === ======= ======= ======= ======= ======= ======= =======
+# Count        100       8
+# Exec time    100    96us    12us    12us    12us    12us       0    12us
+# Lock time      0       0       0       0       0       0       0       0
+# Rows sent      0       0       0       0       0       0       0       0
+# Rows examine   0       0       0       0       0       0       0       0
+# Query size   100     224      28      28      28      28       0      28
+# String:
+# InnoDB trxID 101 (1/12%), 102 (1/12%), 103 (1/12%)... 5 more
+# Query_time distribution
+#   1us
+#  10us  ################################################################
+# 100us
+#   1ms
+#  10ms
+# 100ms
+#    1s
+#  10s+
+# Tables
+#    SHOW TABLE STATUS LIKE 'foo'\G
+#    SHOW CREATE TABLE `foo`\G
+# EXPLAIN /*!50100 PARTITIONS*/
+SELECT * FROM foo WHERE id=1\G

t/pt-query-digest/slowlog_analyses.t

@@ -9,7 +9,7 @@ BEGIN {
 use strict;
 use warnings FATAL => 'all';
 use English qw(-no_match_vars);
-use Test::More tests => 42;
+use Test::More tests => 43;
 
 use PerconaTest;
 
@@ -421,6 +421,18 @@ ok(
    'Analysis for slow052 (Apdex T = 0.1)',
 );
 
+# #############################################################################
+# Bug 821694: pt-query-digest doesn't recognize hex InnoDB txn IDs
+# #############################################################################
+ok(
+   no_diff(
+      sub { pt_query_digest::main(@args, $sample.'slow054.txt',
+         qw(--check-attributes-limit 5)) },
+      "t/pt-query-digest/samples/slow054.txt",
+   ),
+   'Analysis for slow054 (InnoDB_trx_id bug 821694)'
+);
+
 # #############################################################################
 # Done.
 # #############################################################################