- converted logger.warn() to warnings.warn()

- implemented #302

lib/sqlalchemy/databases/oracle.py

@@ -5,7 +5,7 @@
 # the MIT License: http://www.opensource.org/licenses/mit-license.php
 
 
-import sys, StringIO, string, re
+import sys, StringIO, string, re, warnings
 
 from sqlalchemy import util, sql, engine, schema, ansisql, exceptions, logging
 from sqlalchemy.engine import default, base
@@ -391,7 +391,7 @@ class OracleDialect(ansisql.ANSIDialect):
                    fks[cons_name] = fk
                 if remote_table is None:
                     # ticket 363
-                    self.logger.warn("Got 'None' querying 'table_name' from all_cons_columns%(dblink)s - does the user have proper rights to the table?" % {'dblink':dblink})
+                    warnings.warn("Got 'None' querying 'table_name' from all_cons_columns%(dblink)s - does the user have proper rights to the table?" % {'dblink':dblink})
                     continue
                 refspec = ".".join([remote_table, remote_column])
                 schema.Table(remote_table, table.metadata, autoload=True, autoload_with=connection, owner=remote_owner)

lib/sqlalchemy/databases/sqlite.py

@@ -10,8 +10,8 @@ import sys, StringIO, string, types, re
 from sqlalchemy import sql, engine, schema, ansisql, exceptions, pool, PassiveDefault
 import sqlalchemy.engine.default as default
 import sqlalchemy.types as sqltypes
+import datetime,time, warnings
 import sqlalchemy.util as util
-import datetime,time
 
     
 class SLNumeric(sqltypes.Numeric):
@@ -143,12 +143,19 @@ class SQLiteExecutionContext(default.DefaultExecutionContext):
         super(SQLiteExecutionContext, self).post_exec()
         
 class SQLiteDialect(ansisql.ANSIDialect):
+    
     def __init__(self, **kwargs):
         ansisql.ANSIDialect.__init__(self, default_paramstyle='qmark', **kwargs)
         def vers(num):
             return tuple([int(x) for x in num.split('.')])
         self.supports_cast = (self.dbapi is None or vers(self.dbapi.sqlite_version) >= vers("3.2.3"))
-
+        if self.dbapi is not None:
+            sqlite_ver = self.dbapi.version_info
+            if sqlite_ver < (2,2) and sqlite_ver != (2,1,'3'):
+                warnings.warn(RuntimeWarning("The installed version of pysqlite2 is out-dated, and will cause errors in some cases.  Version 2.1.3 or greater is recommended."))
+            if vers(self.dbapi.sqlite_version) < vers("3.3.13"):
+                warnings.warn(RuntimeWarning("The installed version of sqlite is out-dated, and will cause errors in some cases.  Version 3.3.13 or greater is recommended."))
+        
     def dbapi(cls):
         try:
             from pysqlite2 import dbapi2 as sqlite