Fixed #23455 -- Forced related_name to be a unicode string during deconstruction.
Fixed #23537 -- Added Oracle GIS SchemaEditor.

Thanks Shai Berger for review.
Factorized schema_editor() at BaseDatabaseWrapper level
Fixed #8408 -- Added ModelAdmin.show_full_result_count to avoid COUNT() query.

Thanks lidaobing for the suggestion.
Fixed #23560 -- Fixed MigrationWrite to handle builtin types without imports.

Thanks Tim Graham for the review.