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authorMike Bayer <mike_mp@zzzcomputing.com>2009-01-02 21:24:17 +0000
committerMike Bayer <mike_mp@zzzcomputing.com>2009-01-02 21:24:17 +0000
commit5bc1f17cb53248e7cea609693a3b2a9bb702545b (patch)
treee31a0341ecacd3115612fcebfc904f1549535465 /lib/sqlalchemy/databases/postgres.py
parent2f2d84fbb14f1282677de8fc1186da8f41081214 (diff)
downloadsqlalchemy-5bc1f17cb53248e7cea609693a3b2a9bb702545b.tar.gz
- mysql, postgres: "%" signs in text() constructs are automatically escaped to "%%".
Because of the backwards incompatible nature of this change, a warning is emitted if '%%' is detected in the string. [ticket:1267]
Diffstat (limited to 'lib/sqlalchemy/databases/postgres.py')
-rw-r--r--lib/sqlalchemy/databases/postgres.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/sqlalchemy/databases/postgres.py b/lib/sqlalchemy/databases/postgres.py
index 273f5859e..6fd0662de 100644
--- a/lib/sqlalchemy/databases/postgres.py
+++ b/lib/sqlalchemy/databases/postgres.py
@@ -719,6 +719,11 @@ class PGCompiler(compiler.DefaultCompiler):
else:
return "nextval('%s')" % self.preparer.format_sequence(seq)
+ def post_process_text(self, text):
+ if '%%' in text:
+ util.warn("The SQLAlchemy psycopg2 dialect now automatically escapes '%' in text() expressions to '%%'.")
+ return text.replace('%', '%%')
+
def limit_clause(self, select):
text = ""
if select._limit is not None: