From 01b2e773ef7a19dbd28a345021cd3a9aa6b10603 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Fri, 20 Apr 2018 10:35:22 +0300 Subject: MDEV-15937 Assertion failure 'key->flags & 1' on ALTER TABLE While the test case crashes a MariaDB 10.2 debug build only, let us apply the fix to the earliest applicable MariaDB series (10.0) to avoid any data corruption on a table-rebuilding ALTER TABLE using ALGORITHM=INPLACE. innobase_create_key_defs(): Use altered_table->s->primary_key when a new primary key is being created. --- mysql-test/suite/innodb/r/innodb-alter-nullable.result | 4 ++++ mysql-test/suite/innodb/t/innodb-alter-nullable.test | 5 +++++ storage/innobase/handler/handler0alter.cc | 12 ++++-------- storage/xtradb/handler/handler0alter.cc | 12 ++++-------- 4 files changed, 17 insertions(+), 16 deletions(-) diff --git a/mysql-test/suite/innodb/r/innodb-alter-nullable.result b/mysql-test/suite/innodb/r/innodb-alter-nullable.result index e9711b2ac31..2769bfdf1f5 100644 --- a/mysql-test/suite/innodb/r/innodb-alter-nullable.result +++ b/mysql-test/suite/innodb/r/innodb-alter-nullable.result @@ -51,3 +51,7 @@ WHERE NAME='test/t'; TABLE_ID NAME FLAG N_COLS SPACE FILE_FORMAT ROW_FORMAT ZIP_PAGE_SIZE # test/t 1 6 # Antelope Compact 0 DROP TABLE t; +CREATE TABLE t1(c1 INT) ENGINE=InnoDB; +ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY i1(c1); +ALTER TABLE t1 CHANGE c1 c1 INT NOT NULL,ADD KEY(c1); +DROP TABLE t1; diff --git a/mysql-test/suite/innodb/t/innodb-alter-nullable.test b/mysql-test/suite/innodb/t/innodb-alter-nullable.test index bb5cdee000a..d039459f91f 100644 --- a/mysql-test/suite/innodb/t/innodb-alter-nullable.test +++ b/mysql-test/suite/innodb/t/innodb-alter-nullable.test @@ -71,6 +71,11 @@ WHERE NAME='test/t'; DROP TABLE t; +CREATE TABLE t1(c1 INT) ENGINE=InnoDB; +ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY i1(c1); +ALTER TABLE t1 CHANGE c1 c1 INT NOT NULL,ADD KEY(c1); +DROP TABLE t1; + # Check that all connections opened by test cases in this file are really # gone so execution of other tests won't be affected by their presence. --source include/wait_until_count_sessions.inc diff --git a/storage/innobase/handler/handler0alter.cc b/storage/innobase/handler/handler0alter.cc index 8761d5434b5..8a9ec1865b4 100644 --- a/storage/innobase/handler/handler0alter.cc +++ b/storage/innobase/handler/handler0alter.cc @@ -1594,6 +1594,7 @@ innobase_create_index_def( if (key_clustered) { DBUG_ASSERT(!(key->flags & HA_FULLTEXT)); + DBUG_ASSERT(key->flags & HA_NOSAME); index->ind_type |= DICT_CLUSTERED; } else if (key->flags & HA_FULLTEXT) { DBUG_ASSERT(!(key->flags & HA_KEYFLAG_MASK @@ -1909,14 +1910,9 @@ innobase_create_key_defs( ulint primary_key_number; if (new_primary) { - if (n_add == 0) { - DBUG_ASSERT(got_default_clust); - DBUG_ASSERT(altered_table->s->primary_key - == 0); - primary_key_number = 0; - } else { - primary_key_number = *add; - } + DBUG_ASSERT(n_add || got_default_clust); + DBUG_ASSERT(n_add || !altered_table->s->primary_key); + primary_key_number = altered_table->s->primary_key; } else if (got_default_clust) { /* Create the GEN_CLUST_INDEX */ index_def_t* index = indexdef++; diff --git a/storage/xtradb/handler/handler0alter.cc b/storage/xtradb/handler/handler0alter.cc index e5be3aea44a..4a50b324e22 100644 --- a/storage/xtradb/handler/handler0alter.cc +++ b/storage/xtradb/handler/handler0alter.cc @@ -1595,6 +1595,7 @@ innobase_create_index_def( if (key_clustered) { DBUG_ASSERT(!(key->flags & HA_FULLTEXT)); + DBUG_ASSERT(key->flags & HA_NOSAME); index->ind_type |= DICT_CLUSTERED; } else if (key->flags & HA_FULLTEXT) { DBUG_ASSERT(!(key->flags & HA_KEYFLAG_MASK @@ -1910,14 +1911,9 @@ innobase_create_key_defs( ulint primary_key_number; if (new_primary) { - if (n_add == 0) { - DBUG_ASSERT(got_default_clust); - DBUG_ASSERT(altered_table->s->primary_key - == 0); - primary_key_number = 0; - } else { - primary_key_number = *add; - } + DBUG_ASSERT(n_add || got_default_clust); + DBUG_ASSERT(n_add || !altered_table->s->primary_key); + primary_key_number = altered_table->s->primary_key; } else if (got_default_clust) { /* Create the GEN_CLUST_INDEX */ index_def_t* index = indexdef++; -- cgit v1.2.1