Fix for Bug#17431 INSERT IGNORE INTO returns failed: 1296: err 4350 'Transaction already aborted'

mysql-test/r/ndb_insert.result

@@ -577,6 +577,25 @@ pk1	b	c
 2	2	17
 4	4	3
 6	6	3
+DELETE FROM t1;
+CREATE UNIQUE INDEX bi ON t1(b);
+INSERT INTO t1 VALUES 
+(1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),
+(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10);
+INSERT INTO t1 VALUES(0,1,0),(21,21,21) ON DUPLICATE KEY UPDATE pk1=b+10,b=b+10;
+select * from t1 order by pk1;
+pk1	b	c
+2	2	2
+3	3	3
+4	4	4
+5	5	5
+6	6	6
+7	7	7
+8	8	8
+9	9	9
+10	10	10
+11	11	1
+21	21	21
 DROP TABLE t1;
 CREATE TABLE t1(a INT) ENGINE=ndb;
 INSERT IGNORE INTO t1 VALUES (1);
@@ -586,7 +605,7 @@ INSERT IGNORE INTO t1 SELECT a FROM t1;
 INSERT IGNORE INTO t1 SELECT a FROM t1;
 INSERT IGNORE INTO t1 VALUES (1);
 INSERT IGNORE INTO t1 VALUES (1);
-SELECT * FROM t1;
+SELECT * FROM t1 ORDER BY a;
 a
 1
 1
@@ -606,4 +625,11 @@ a
 1
 1
 1
+DELETE FROM t1;
+CREATE UNIQUE INDEX ai ON t1(a);
+INSERT IGNORE INTO t1 VALUES (1);
+INSERT IGNORE INTO t1 VALUES (1);
+SELECT * FROM t1 ORDER BY a;
+a
+1
 DROP TABLE t1;

mysql-test/r/ndb_replace.result

@@ -19,3 +19,15 @@ gesuchnr	benutzer_id
 2	1
 3	2
 drop table t1;
+CREATE TABLE t1(i INT PRIMARY KEY AUTO_INCREMENT, 
+j INT, 
+k INT, 
+UNIQUE INDEX(j)
+) ENGINE = ndb;
+INSERT  INTO t1 VALUES (1,1,23),(2,2,24);
+REPLACE INTO t1 (j,k) VALUES (1,42);
+REPLACE INTO t1 (i,j) VALUES (17,2);
+SELECT * from t1 ORDER BY i;
+i	j	k
+3	1	42
+17	2	24

mysql-test/t/ndb_insert.test

@@ -591,14 +591,14 @@ DELETE FROM t1 WHERE pk1 = 2 OR pk1 = 4 OR pk1 = 6;
 INSERT INTO t1 VALUES(1,1,1),(2,2,17),(3,4,5) ON DUPLICATE KEY UPDATE pk1=b;
 select * from t1 where pk1 = b and b != c order by pk1;
 
-# The following test case currently does not work
-#DELETE FROM t1;
-#CREATE UNIQUE INDEX bi ON t1(b);
-#INSERT INTO t1 VALUES 
-#(1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),
-#(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10);
-#INSERT INTO t1 VALUES(0,1,0),(21,21,21) ON DUPLICATE KEY UPDATE pk1=b+10,c=b+10;
-#select * from t1 order by pk1;
+# Test handling of duplicate unique
+DELETE FROM t1;
+CREATE UNIQUE INDEX bi ON t1(b);
+INSERT INTO t1 VALUES 
+(1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),
+(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10);
+INSERT INTO t1 VALUES(0,1,0),(21,21,21) ON DUPLICATE KEY UPDATE pk1=b+10,b=b+10;
+select * from t1 order by pk1;
 
 DROP TABLE t1;
 
@@ -614,7 +614,12 @@ INSERT IGNORE INTO t1 SELECT a FROM t1;
 INSERT IGNORE INTO t1 SELECT a FROM t1;
 INSERT IGNORE INTO t1 VALUES (1);
 INSERT IGNORE INTO t1 VALUES (1);
-SELECT * FROM t1;
+SELECT * FROM t1 ORDER BY a;
+DELETE FROM t1;
+CREATE UNIQUE INDEX ai ON t1(a);
+INSERT IGNORE INTO t1 VALUES (1);
+INSERT IGNORE INTO t1 VALUES (1);
+SELECT * FROM t1 ORDER BY a;
 DROP TABLE t1;
 
 # End of 4.1 tests

mysql-test/t/ndb_replace.test

@@ -27,4 +27,15 @@ replace into t1 (gesuchnr,benutzer_id) values (1,1);
 select * from t1 order by gesuchnr;
 drop table t1;
 
+# bug#17431
+CREATE TABLE t1(i INT PRIMARY KEY AUTO_INCREMENT, 
+                j INT, 
+                k INT, 
+                UNIQUE INDEX(j)
+               ) ENGINE = ndb;
+INSERT  INTO t1 VALUES (1,1,23),(2,2,24);
+REPLACE INTO t1 (j,k) VALUES (1,42);
+REPLACE INTO t1 (i,j) VALUES (17,2);
+SELECT * from t1 ORDER BY i;
+
 # End of 4.1 tests

sql/ha_ndbcluster.cc

@@ -1031,6 +1031,7 @@ int ha_ndbcluster::build_index_list(Ndb *ndb, TABLE *tab, enum ILBP phase)
   NDBDICT *dict= ndb->getDictionary();
   DBUG_ENTER("ha_ndbcluster::build_index_list");
   
+  m_has_unique_index= FALSE;
   // Save information about all known indexes
   for (i= 0; i < tab->s->keys; i++, key_info++, key_name++)
   {
@@ -1039,6 +1040,7 @@ int ha_ndbcluster::build_index_list(Ndb *ndb, TABLE *tab, enum ILBP phase)
     m_index[i].type= idx_type;
     if (idx_type == UNIQUE_ORDERED_INDEX || idx_type == UNIQUE_INDEX)
     {
+      m_has_unique_index= TRUE;
       strxnmov(unique_index_name, FN_LEN, index_name, unique_suffix, NullS);
       DBUG_PRINT("info", ("Created unique index name \'%s\' for index %d",
                           unique_index_name, i));
@@ -1290,6 +1292,24 @@ int ha_ndbcluster::set_primary_key_from_record(NdbOperation *op, const byte *rec
   DBUG_RETURN(0);
 }
 
+int ha_ndbcluster::set_index_key_from_record(NdbOperation *op, const byte *record, uint keyno)
+{
+  KEY* key_info= table->key_info + keyno;
+  KEY_PART_INFO* key_part= key_info->key_part;
+  KEY_PART_INFO* end= key_part+key_info->key_parts;
+  uint i;
+  DBUG_ENTER("set_index_key_from_record");
+                                                                                
+  for (i= 0; key_part != end; key_part++, i++)
+  {
+    Field* field= key_part->field;
+    if (set_ndb_key(op, field, m_index[keyno].unique_index_attrid_map[i],
+                    record+key_part->offset))
+      ERR_RETURN(m_active_trans->getNdbError());
+  }
+  DBUG_RETURN(0);
+}
+
 int 
 ha_ndbcluster::set_index_key(NdbOperation *op, 
                              const KEY *key_info, 
@@ -1443,7 +1463,6 @@ int ha_ndbcluster::complemented_pk_read(const byte *old_data, byte *new_data)
         ERR_RETURN(trans->getNdbError());
     }
   }
-  
   if (execute_no_commit(this,trans) != 0) 
   {
     table->status= STATUS_NOT_FOUND;
@@ -1471,30 +1490,137 @@ int ha_ndbcluster::complemented_pk_read(const byte *old_data, byte *new_data)
 }
 
 /*
-  Peek to check if a particular row already exists
+ * Check that all operations between first and last all
+ * have gotten the errcode
+ * If checking for HA_ERR_KEY_NOT_FOUND then update m_dupkey
+ * for all succeeding operations
+ */
+bool ha_ndbcluster::check_all_operations_for_error(NdbTransaction *trans,
+                                                   const NdbOperation *first,
+                                                   const NdbOperation *last,
+                                                   uint errcode)
+{
+  const NdbOperation *op= first;
+  DBUG_ENTER("ha_ndbcluster::check_all_operations_for_error");
+
+  while(op)
+  {
+    NdbError err= op->getNdbError();
+    if (err.status != NdbError::Success)
+    {
+      if (ndb_to_mysql_error(&err) != (int) errcode)
+        DBUG_RETURN(false);
+      if (op == last) break;
+      op= trans->getNextCompletedOperation(op);
+    }
+    else
+    {
+      // We found a duplicate
+      if (op->getType() == NdbOperation::UniqueIndexAccess)
+      {
+        if (errcode == HA_ERR_KEY_NOT_FOUND)
+        {
+          NdbIndexOperation *iop= (NdbIndexOperation *) op;
+          const NDBINDEX *index= iop->getIndex();
+          // Find the key_no of the index
+          for(uint i= 0; i<table->s->keys; i++)
+          {
+            if (m_index[i].unique_index == index)
+            {
+              m_dupkey= i;
+              break;
+            }
+          }
+        }
+      }
+      else
+      {
+        // Must have been primary key access
+        DBUG_ASSERT(op->getType() == NdbOperation::PrimaryKeyAccess);
+        if (errcode == HA_ERR_KEY_NOT_FOUND)
+          m_dupkey= table->s->primary_key;
+      }
+      DBUG_RETURN(false);      
+    }
+  }
+  DBUG_RETURN(true);
+}
+
+/*
+ * Peek to check if any rows already exist with conflicting
+ * primary key or unique index values
 */
 
-int ha_ndbcluster::peek_row(const byte *record)
+int ha_ndbcluster::peek_indexed_rows(const byte *record)
 {
   NdbTransaction *trans= m_active_trans;
   NdbOperation *op;
-  DBUG_ENTER("peek_row");
+  const NdbOperation *first, *last;
+  uint i;
+  int res;
+  DBUG_ENTER("peek_indexed_rows");
 
   NdbOperation::LockMode lm=
     (NdbOperation::LockMode)get_ndb_lock_type(m_lock.type);
-  if (!(op= trans->getNdbOperation((const NDBTAB *) m_table)) ||
-      op->readTuple(lm) != 0)
-    ERR_RETURN(trans->getNdbError());
-
-  int res;
-  if ((res= set_primary_key_from_record(op, record)))
-    ERR_RETURN(trans->getNdbError());
+  first= NULL;
+  if (table->s->primary_key != MAX_KEY)
+  {
+    /*
+     * Fetch any row with colliding primary key
+     */
+    if (!(op= trans->getNdbOperation((const NDBTAB *) m_table)) ||
+        op->readTuple(lm) != 0)
+      ERR_RETURN(trans->getNdbError());
+    
+    first= op;
+    if ((res= set_primary_key_from_record(op, record)))
+      ERR_RETURN(trans->getNdbError());
+  }
+  /*
+   * Fetch any rows with colliding unique indexes
+   */
+  KEY* key_info;
+  KEY_PART_INFO *key_part, *end;
+  for (i= 0, key_info= table->key_info; i < table->s->keys; i++, key_info++)
+  {
+    if (i != table->s->primary_key &&
+        key_info->flags & HA_NOSAME)
+    {
+      // A unique index is defined on table
+      NdbIndexOperation *iop;
+      NDBINDEX *unique_index = (NDBINDEX *) m_index[i].unique_index;
+      key_part= key_info->key_part;
+      end= key_part + key_info->key_parts;
+      if (!(iop= trans->getNdbIndexOperation(unique_index,
+                                             (const NDBTAB *) m_table)) ||
+          iop->readTuple(lm) != 0)
+        ERR_RETURN(trans->getNdbError());
 
-  if (execute_no_commit_ie(this,trans) != 0)
+      if (!first)
+        first= iop;
+      if ((res= set_index_key_from_record(iop, record, i)))
+        ERR_RETURN(trans->getNdbError());
+    }
+  }
+  last= trans->getLastDefinedOperation();
+  if (first)
+    res= execute_no_commit_ie(this,trans);
+  else
+  {
+    // Table has no keys
+    table->status= STATUS_NOT_FOUND;
+    DBUG_RETURN(HA_ERR_KEY_NOT_FOUND);
+  }
+  if (check_all_operations_for_error(trans, first, last, 
+                                     HA_ERR_KEY_NOT_FOUND))
   {
     table->status= STATUS_NOT_FOUND;
     DBUG_RETURN(ndb_err(trans));
   } 
+  else
+  {
+    DBUG_PRINT("info", ("m_dupkey %d", m_dupkey));
+  }
   DBUG_RETURN(0);
 }
 
@@ -1930,13 +2056,33 @@ int ha_ndbcluster::write_row(byte *record)
 
   DBUG_ENTER("write_row");
 
-  if (m_ignore_dup_key && table->s->primary_key != MAX_KEY)
+  has_auto_increment= (table->next_number_field && record == table->record[0]);
+  if (table->s->primary_key != MAX_KEY)
+  {
+    /*
+     * Increase any auto_incremented primary key
+     */
+    if (has_auto_increment) 
+    {
+      THD *thd= table->in_use;
+      
+      m_skip_auto_increment= FALSE;
+      update_auto_increment();
+      /* Ensure that handler is always called for auto_increment values */
+      thd->next_insert_id= 0;
+      m_skip_auto_increment= !auto_increment_column_changed;
+    }
+  }
+  
+  /*
+   * If IGNORE the ignore constraint violations on primary and unique keys
+   */
+  if (m_ignore_dup_key)
   {
-    int peek_res= peek_row(record);
+    int peek_res= peek_indexed_rows(record);
     
     if (!peek_res) 
     {
-      m_dupkey= table->s->primary_key;
       DBUG_RETURN(HA_ERR_FOUND_DUPP_KEY);
     }
     if (peek_res != HA_ERR_KEY_NOT_FOUND)
@@ -1946,7 +2092,6 @@ int ha_ndbcluster::write_row(byte *record)
   statistic_increment(thd->status_var.ha_write_count, &LOCK_status);
   if (table->timestamp_field_type & TIMESTAMP_AUTO_SET_ON_INSERT)
     table->timestamp_field->set_time();
-  has_auto_increment= (table->next_number_field && record == table->record[0]);
 
   if (!(op= trans->getNdbOperation((const NDBTAB *) m_table)))
     ERR_RETURN(trans->getNdbError());
@@ -1975,17 +2120,6 @@ int ha_ndbcluster::write_row(byte *record)
   {
     int res;
 
-    if (has_auto_increment) 
-    {
-      THD *thd= table->in_use;
-
-      m_skip_auto_increment= FALSE;
-      update_auto_increment();
-      /* Ensure that handler is always called for auto_increment values */
-      thd->next_insert_id= 0;
-      m_skip_auto_increment= !auto_increment_column_changed;
-    }
-
     if ((res= set_primary_key_from_record(op, record)))
       return res;  
   }
@@ -2996,7 +3130,7 @@ int ha_ndbcluster::extra(enum ha_extra_function operation)
     break;
   case HA_EXTRA_IGNORE_DUP_KEY:       /* Dup keys don't rollback everything*/
     DBUG_PRINT("info", ("HA_EXTRA_IGNORE_DUP_KEY"));
-    if (current_thd->lex->sql_command == SQLCOM_REPLACE)
+    if (current_thd->lex->sql_command == SQLCOM_REPLACE && !m_has_unique_index)
     {
       DBUG_PRINT("info", ("Turning ON use of write instead of insert"));
       m_use_write= TRUE;
@@ -4260,6 +4394,7 @@ ha_ndbcluster::ha_ndbcluster(TABLE *table_arg):
   m_share(0),
   m_use_write(FALSE),
   m_ignore_dup_key(FALSE),
+  m_has_unique_index(FALSE),
   m_primary_key_update(FALSE),
   m_retrieve_all_fields(FALSE),
   m_retrieve_primary_key(FALSE),

sql/ha_ndbcluster.h

@@ -597,7 +597,11 @@ static void set_tabname(const char *pathname, char *tabname);
 
   int pk_read(const byte *key, uint key_len, byte *buf);
   int complemented_pk_read(const byte *old_data, byte *new_data);
-  int peek_row(const byte *record);
+  bool check_all_operations_for_error(NdbTransaction *trans,
+                                      const NdbOperation *first,
+                                      const NdbOperation *last,
+                                      uint errcode);
+  int peek_indexed_rows(const byte *record);
   int unique_index_read(const byte *key, uint key_len, 
                         byte *buf);
   int ordered_index_scan(const key_range *start_key,
@@ -627,6 +631,8 @@ static void set_tabname(const char *pathname, char *tabname);
   int get_ndb_blobs_value(NdbBlob *last_ndb_blob);
   int set_primary_key(NdbOperation *op, const byte *key);
   int set_primary_key_from_record(NdbOperation *op, const byte *record);
+  int set_index_key_from_record(NdbOperation *op, const byte *record,
+                                uint keyno);
   int set_bounds(NdbIndexScanOperation*, const key_range *keys[2], uint= 0);
   int key_cmp(uint keynr, const byte * old_row, const byte * new_row);
   int set_index_key(NdbOperation *, const KEY *key_info, const byte *key_ptr);
@@ -686,6 +692,7 @@ static void set_tabname(const char *pathname, char *tabname);
   byte m_ref[NDB_HIDDEN_PRIMARY_KEY_LENGTH];
   bool m_use_write;
   bool m_ignore_dup_key;
+  bool m_has_unique_index;
   bool m_primary_key_update;
   bool m_retrieve_all_fields;
   bool m_retrieve_primary_key;