def canonicalize_alter_from_external_ref(
self,
schema: s_schema.Schema,
context: sd.CommandContext,
) -> None:
if (not self.get_attribute_value('abstract') and
(indexexpr := self.get_attribute_value('expr')) is not None):
# To compute the new name, we construct an AST of the
# index, since that is the infrastructure we have for
# computing the classname.
ast = qlast.CreateIndex(
name=qlast.ObjectRef(name="idx", module="__"),
expr=indexexpr.qlast,
)
quals = sn.quals_from_fullname(self.classname)
new_name = self._classname_from_ast_and_referrer(
schema, sn.QualName.from_string(quals[0]), ast, context)
if new_name == self.classname:
return
rename = self.scls.init_delta_command(schema,
sd.RenameObject,
new_name=new_name)
rename.set_attribute_value('name',
value=new_name,
orig_value=self.classname)
self.add(rename)
def reduce_INDEX_OnExpr(self, *kids):
self.val = qlast.CreateIndex(
name=qlast.ObjectRef(name='idx'),
expr=kids[1].val,
)
def reduce_CREATE_INDEX_NodeName_OnExpr(self, *kids):
self.val = qlast.CreateIndex(
name=kids[2].val,
expr=kids[3].val
)
def reduce_INDEX_OnExpr_CreateIndexSDLCommandsBlock(self, *kids):
self.val = qlast.CreateIndex(
name=qlast.ObjectRef(name='idx'),
expr=kids[1].val,
commands=kids[2].val,
)
def reduce_INDEX_ShortNodeName_OnExpr(self, *kids):
self.val = qlast.CreateIndex(
name=kids[1].val,
expr=kids[2].val,
)
