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Fix truncated string in DB when update server and field are varchar

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bzr revid: joel.grandguillaume@camptocamp.com-20080724105655-g2zu5oelpk7trm65
This commit is contained in:
Joel Grand-Guillaume
2008-07-24 12:56:55 +02:00
parent ba0c939bb8
commit e37c71bae5
1 changed files with 10 additions and 8 deletions
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bin/osv/orm.py
+10 -8
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@@ -1386,14 +1386,16 @@ class orm(orm_template):
# columns with the name 'type' cannot be changed for an unknown reason?!
if k != 'type':
if f_pg_size > f.size:
logger.notifyChannel('init', netsvc.LOG_WARNING, "column '%s' in table '%s' has changed size (DB = %d, def = %d), strings will be truncated !" % (k, self._table, f_pg_size, f.size))
#TODO: check si y a des donnees qui vont poser probleme (select char_length(...))
#TODO: issue a log message even if f_pg_size < f.size
cr.execute("ALTER TABLE \"%s\" RENAME COLUMN \"%s\" TO temp_change_size" % (self._table,k))
cr.execute("ALTER TABLE \"%s\" ADD COLUMN \"%s\" VARCHAR(%d)" % (self._table,k,f.size))
cr.execute("UPDATE \"%s\" SET \"%s\"=temp_change_size::VARCHAR(%d)" % (self._table,k,f.size))
cr.execute("ALTER TABLE \"%s\" DROP COLUMN temp_change_size" % (self._table,))
cr.commit()
logger.notifyChannel('init', netsvc.LOG_WARNING, "column '%s' in table '%s' has changed size (DB = %d, def = %d), DB size will be kept !" % (k, self._table, f_pg_size, f.size))
# If actual DB size is < than new
# We update varchar size, otherwise, we keep DB size
# to avoid truncated string...
if f_pg_size < f.size:
cr.execute("ALTER TABLE \"%s\" RENAME COLUMN \"%s\" TO temp_change_size" % (self._table,k))
cr.execute("ALTER TABLE \"%s\" ADD COLUMN \"%s\" VARCHAR(%d)" % (self._table,k,f.size))
cr.execute("UPDATE \"%s\" SET \"%s\"=temp_change_size::VARCHAR(%d)" % (self._table,k,f.size))
cr.execute("ALTER TABLE \"%s\" DROP COLUMN temp_change_size" % (self._table,))
cr.commit()
# if the field is required and hasn't got a NOT NULL constraint
if f.required and f_pg_notnull == 0:
# set the field to the default value if any