diff options
Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql/base.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/postgresql/base.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py index 32de7861a..043efd6df 100644 --- a/lib/sqlalchemy/dialects/postgresql/base.py +++ b/lib/sqlalchemy/dialects/postgresql/base.py @@ -1647,6 +1647,23 @@ class PGCompiler(compiler.SQLCompiler): return 'ON CONFLICT %s DO UPDATE SET %s' % (target_text, action_text) + def update_from_clause(self, update_stmt, + from_table, extra_froms, + from_hints, + **kw): + return "FROM " + ', '.join( + t._compiler_dispatch(self, asfrom=True, + fromhints=from_hints, **kw) + for t in extra_froms) + + def delete_extra_from_clause(self, delete_stmt, from_table, + extra_froms, from_hints, **kw): + """Render the DELETE .. USING clause specific to PostgresSQL.""" + return "USING " + ', '.join( + t._compiler_dispatch(self, asfrom=True, + fromhints=from_hints, **kw) + for t in extra_froms) + class PGDDLCompiler(compiler.DDLCompiler): |