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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
commita175314c3e5827eb193872241446f2f8f5c9d33c (patch)
treecd3d60ca99ae00829c52a6ca79150a5b6e62528b /mysql-test/main/stat_tables_myisam_debug.result
parentInitial commit. (diff)
downloadmariadb-10.5-upstream.tar.xz
mariadb-10.5-upstream.zip
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/main/stat_tables_myisam_debug.result')
-rw-r--r--mysql-test/main/stat_tables_myisam_debug.result24
1 files changed, 24 insertions, 0 deletions
diff --git a/mysql-test/main/stat_tables_myisam_debug.result b/mysql-test/main/stat_tables_myisam_debug.result
new file mode 100644
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+++ b/mysql-test/main/stat_tables_myisam_debug.result
@@ -0,0 +1,24 @@
+#
+# MDEV-7901: re-implement analyze table for low impact
+#
+create table t1 (a int, b int, c int, key IDX1(a), key IDX2(a,b)) engine=myisam;
+insert into t1 select seq/10, seq/2, seq from seq_0_to_9;
+SET DEBUG_SYNC='statistics_collection_start1 SIGNAL analyzing WAIT_FOR written';
+analyze table t1 persistent for all;
+connect con1, localhost, root,,;
+connection con1;
+SET DEBUG_SYNC= 'now WAIT_FOR analyzing';
+select count(*) from t1;
+count(*)
+10
+insert into t1 values (333,333,333);
+SET DEBUG_SYNC= 'now SIGNAL written';
+connection default;
+Table Op Msg_type Msg_text
+test.t1 analyze status Engine-independent statistics collected
+test.t1 analyze status Table is already up to date
+select count(*) from t1;
+count(*)
+11
+set debug_sync='RESET';
+drop table t1;