BUG#11758263 50440: MARK UNORDERED UPDATE WITH AUTOINC UNSAFE

      
      Problem: Statements that write to tables with auto_increment columns
      based on the selection from another table, may lead to master
      and slave going out of sync, as the order in which the rows
      are retrived from the table may differ on master and slave.
      
      Solution: We mark writing to a table with auto_increment table
      as unsafe. This will cause the execution of such statements to
      throw a warning and forces the statement to be logged in ROW if
      the logging format is mixed. 
      
      Changes: 
      1. All the statements that writes to a table with auto_increment 
      column(s) based on the rows fetched from another table, will now
      be unsafe.
      2. CREATE TABLE with SELECT will now be unsafe.


sql/share/errmsg-utf8.txt:
  Added new Warning messages
sql/sql_base.cc:
  created a new function that checks for select + write on a autoinc table
  made all such statements to be unsafe.
sql/sql_parse.cc:
  made create autoincremnet tabble + select unsafe

1 files changed, 15 insertions, 0 deletions

diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 8aaead811a0..1de92057b1f 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -1269,6 +1269,13 @@ public:
     BINLOG_STMT_UNSAFE_INSERT_SELECT_UPDATE,
 
     /**
+     Query that writes to a table with auto_inc column after selecting from 
+     other tables are unsafe as the order in which the rows are retrieved by
+     select may differ on master and slave.
+    */
+    BINLOG_STMT_UNSAFE_WRITE_AUTOINC_SELECT,
+
+    /**
       INSERT...REPLACE SELECT is unsafe because which rows are replaced depends
       on the order that rows are retrieved by SELECT. This order cannot be
       predicted and may differ on master and the slave.
@@ -1290,6 +1297,14 @@ public:
     BINLOG_STMT_UNSAFE_CREATE_REPLACE_SELECT,
 
     /**
+      CREATE TABLE...SELECT on a table with auto-increment column is unsafe
+      because which rows are replaced depends on the order that rows are
+      retrieved from SELECT. This order cannot be predicted and may differ on
+      master and the slave
+    */
+    BINLOG_STMT_UNSAFE_CREATE_SELECT_AUTOINC,
+
+    /**
       UPDATE...IGNORE is unsafe because which rows are ignored depends on the
       order that rows are updated. This order cannot be predicted and may differ
       on master and the slave.