From: Pekka Nousiainen
Date: September 22 2012 10:12am
Subject: bzr push into mysql-5.5-cluster-7.3-fk branch (pekka.nousiainen:3918 to
 3919) WL#6244
List-Archive: http://lists.mysql.com/commits/144862
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 3919 Pekka Nousiainen	2012-09-22
      wl#6244 errcode5.diff
      column compatibility (from Jul 2 patch)

    modified:
      mysql-test/suite/ndb/r/ndb_fk_bugs.result
      mysql-test/suite/ndb/t/ndb_fk_bugs.test
      sql/ha_ndb_ddl_fk.cc
 3918 Pekka Nousiainen	2012-09-20
      wl#6244 errcode4.diff
      bug#14124623 test case from bug report

    modified:
      mysql-test/suite/ndb/r/ndb_fk_bugs.result
      mysql-test/suite/ndb/t/ndb_fk_bugs.test
=== modified file 'mysql-test/suite/ndb/r/ndb_fk_bugs.result'
--- a/mysql-test/suite/ndb/r/ndb_fk_bugs.result	2012-09-20 08:36:30 +0000
+++ b/mysql-test/suite/ndb/r/ndb_fk_bugs.result	2012-09-22 10:10:42 +0000
@@ -90,3 +90,36 @@ Warning	1296	Got error 21026 'Create for
 Error	1005	Can't create table 'test.languages' (errno: 150)
 CREATE TABLE languages (id INT NOT NULL PRIMARY KEY) engine=ndb;
 drop table languages, towns, counties;
+"# test: child vs parent column types"
+create table t1 (
+a int not null,
+b int not null,
+primary key using hash (a),
+unique key using hash (b)
+) engine ndb;
+create table t2 (
+a int not null,
+b char(20) not null,
+primary key using hash (a),
+key (b),
+constraint fk1 foreign key (b) references t1 (b)
+) engine ndb;
+ERROR HY000: Can't create table 'test.t2' (errno: 150)
+show warnings;
+Level	Code	Message
+Warning	1215	Parent column t1.b is incompatible with child column t2.b in NDB
+Error	1005	Can't create table 'test.t2' (errno: 150)
+create table t2 (
+a int not null,
+b char(10) not null,
+primary key using hash (a),
+key (b)
+) engine ndb;
+alter online table t2
+add constraint fk1 foreign key (b) references t1 (b);
+ERROR HY000: Cannot add foreign key constraint
+show warnings;
+Level	Code	Message
+Warning	1215	Parent column t1.b is incompatible with child column t2.b in NDB
+Error	150	Cannot add foreign key constraint
+drop table t2, t1;

=== modified file 'mysql-test/suite/ndb/t/ndb_fk_bugs.test'
--- a/mysql-test/suite/ndb/t/ndb_fk_bugs.test	2012-09-20 08:36:30 +0000
+++ b/mysql-test/suite/ndb/t/ndb_fk_bugs.test	2012-09-22 10:10:42 +0000
@@ -110,3 +110,36 @@ show warnings;
 CREATE TABLE languages (id INT NOT NULL PRIMARY KEY) engine=ndb;
 
 drop table languages, towns, counties;
+
+--echo "# test: child vs parent column types"
+
+create table t1 (
+  a int not null,
+  b int not null,
+  primary key using hash (a),
+  unique key using hash (b)
+) engine ndb;
+
+--error ER_CANT_CREATE_TABLE
+create table t2 (
+  a int not null,
+  b char(20) not null,
+  primary key using hash (a),
+  key (b),
+  constraint fk1 foreign key (b) references t1 (b)
+) engine ndb;
+show warnings;
+
+create table t2 (
+  a int not null,
+  b char(10) not null,
+  primary key using hash (a),
+  key (b)
+) engine ndb;
+
+--error 150
+alter online table t2
+  add constraint fk1 foreign key (b) references t1 (b);
+show warnings;
+
+drop table t2, t1;

=== modified file 'sql/ha_ndb_ddl_fk.cc'
--- a/sql/ha_ndb_ddl_fk.cc	2012-09-18 13:15:29 +0000
+++ b/sql/ha_ndb_ddl_fk.cc	2012-09-22 10:10:42 +0000
@@ -361,6 +361,27 @@ ha_ndbcluster::create_fks(THD *thd, Ndb
       DBUG_RETURN(err_default);
     }
 
+    {
+      /**
+       * Check that columns match...this happens to be same
+       *   condition as the one for SPJ...
+       */
+      for (unsigned i = 0; parentcols[i] != 0; i++)
+      {
+        if (parentcols[i]->isBindable(* childcols[i]) == -1)
+        {
+          push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+                              ER_CANNOT_ADD_FOREIGN,
+                              "Parent column %s.%s is incompatible with child column %s.%s in NDB",
+                              parent_tab.get_table()->getName(),
+                              parentcols[i]->getName(),
+                              child_tab.get_table()->getName(),
+                              childcols[i]->getName());
+          DBUG_RETURN(err_default);
+        }
+      }
+    }
+
     NdbDictionary::ForeignKey ndbfk;
     if (!isnull(fk->name))
     {

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