diff options
| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2022-01-27 15:07:17 -0500 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2022-03-25 10:16:36 -0400 |
| commit | 57877461c1bd3b43a9d833fbca873d59db36b6f7 (patch) | |
| tree | e6fa8a914f8275ee2a7b99b4772cff14438c6b7f /lib/sqlalchemy/sql/compiler.py | |
| parent | 6f02d5edd88fe2475629438b0730181a2b00c5fe (diff) | |
| download | sqlalchemy-57877461c1bd3b43a9d833fbca873d59db36b6f7.tar.gz | |
generalize conditional DDL throughout schema / DDL
Expanded on the "conditional DDL" system implemented by the
:class:`_schema.DDLElement` class to be directly available on
:class:`_schema.SchemaItem` constructs such as :class:`_schema.Index`,
:class:`_schema.ForeignKeyConstraint`, etc. such that the conditional logic
for generating these elements is included within the default DDL emitting
process. This system can also be accommodated by a future release of
Alembic to support conditional DDL elements within all schema-management
systems.
Fixes: #7631
Change-Id: I9457524d7f66f49696187cf7d2b37dbb44f0e20b
Diffstat (limited to 'lib/sqlalchemy/sql/compiler.py')
| -rw-r--r-- | lib/sqlalchemy/sql/compiler.py | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py index 5ba52ae51..aa98ff256 100644 --- a/lib/sqlalchemy/sql/compiler.py +++ b/lib/sqlalchemy/sql/compiler.py @@ -4889,10 +4889,7 @@ class DDLCompiler(Compiled): for p in ( self.process(constraint) for constraint in constraints - if ( - constraint._create_rule is None - or constraint._create_rule(self) - ) + if (constraint._should_create_for_compiler(self)) and ( not self.dialect.supports_alter or not getattr(constraint, "use_alter", False) |