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authorMike Bayer <mike_mp@zzzcomputing.com>2019-01-09 11:18:02 -0500
committerMike Bayer <mike_mp@zzzcomputing.com>2019-01-09 11:18:02 -0500
commit2a840c147e49d833f8a11de3964a0a8588d72508 (patch)
treef0d43df0e39ad07e962a46d1e0831c043a59464b /lib/sqlalchemy/dialects/oracle/base.py
parent86f243a8747c28f87dce5d34fb42501ddfb5d387 (diff)
downloadsqlalchemy-2a840c147e49d833f8a11de3964a0a8588d72508.tar.gz
Render correct DDL for unsetting table comments
Fixed issue where the DDL emitted for :class:`.DropTableComment`, which will be used by an upcoming version of Alembic, was incorrect for the MySQL and Oracle databases. Fixes: #4436 Change-Id: I196de09495a37adface4caa9dcbc29a6d0ad159a
Diffstat (limited to 'lib/sqlalchemy/dialects/oracle/base.py')
-rw-r--r--lib/sqlalchemy/dialects/oracle/base.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/sqlalchemy/dialects/oracle/base.py b/lib/sqlalchemy/dialects/oracle/base.py
index b58d038cf..7e9a79909 100644
--- a/lib/sqlalchemy/dialects/oracle/base.py
+++ b/lib/sqlalchemy/dialects/oracle/base.py
@@ -994,6 +994,11 @@ class OracleDDLCompiler(compiler.DDLCompiler):
return text
+ def visit_drop_table_comment(self, drop):
+ return "COMMENT ON TABLE %s IS ''" % self.preparer.format_table(
+ drop.element
+ )
+
def visit_create_index(self, create):
index = create.element
self._verify_index_table(index)