Feature Support & Limitations
We're continuously expanding support for new databases, versions, and features. If you notice something missing or have a specific need, feel free to reach out.
PostgreSQL
| Feature | Postgres 13.x | Postgres 14.x | Postgres 15.x | Postgres 16.x | Postgres 17.x | Postgres 18.x |
|---|---|---|---|---|---|---|
| Full Copy Replication | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Logical Replication | ✔* | ✔* | ✔* | ✔* | ✔* | ✔* |
| Subsetting - table exclusion | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Subsetting - table filters | full copy only | full copy only | full copy only | full copy only | full copy only | full copy only |
| PII Scan | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Masking | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
- Since Baseshift DubHub uses Logical Replication, some of its restrictions and limitations apply. DubHub replicates changes to table schema, sequences, views, functions and types.
DubHub does not support:
- Replication of large objects
- Replication of materialized views
Supported Extensions
The following PostgreSQL extensions are supported. If you require additional extensions, please contact us.
| Extension | Supported Versions |
|---|---|
| adminpack | 1.0, 1.1, 2.0, 2.1 |
| amcheck | 1.0, 1.1, 1.2, 1.3 |
| autoinc | 1.0 |
| bloom | 1.0 |
| btree_gin | 1.0, 1.1, 1.2, 1.3 |
| btree_gist | 1.2, 1.3, 1.4, 1.5, 1.6, 1.7 |
| citext | 1.4, 1.5, 1.6 |
| cube | 1.2, 1.3, 1.4, 1.5 |
| dblink | 1.2 |
| dict_int | 1.0 |
| dict_xsyn | 1.0 |
| earthdistance | 1.1 |
| file_fdw | 1.0 |
| fuzzystrmatch | 1.1, 1.2 |
| hstore | 1.4, 1.5, 1.6, 1.7, 1.8 |
| insert_username | 1.0 |
| intagg | 1.1 |
| intarray | 1.2, 1.3, 1.4, 1.5 |
| isn | 1.1, 1.2 |
| lo | 1.1 |
| ltree | 1.1, 1.2 |
| moddatetime | 1.0 |
| old_snapshot | 1.0 |
| pageinspect | 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11 |
| pg_buffercache | 1.2, 1.3 |
| pg_cron | 1.4.1, 1.5, 1.5.2, 1.6, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5 |
| pg_freespacemap | 1.1, 1.2 |
| pg_partman | 4.6.0, 4.6.2, 4.7.1, 5.1.0 |
| pg_prewarm | 1.1, 1.2 |
| pg_repack | 1.4.5, 1.4.6, 1.4.7, 1.4.8, 1.5.0, 1.5.1, 1.5.2, 1.5.3 |
| pg_stat_statements | 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10 |
| pg_surgery | 1.0 |
| pg_trgm | 1.3, 1.4, 1.5, 1.6 |
| pg_visibility | 1.1, 1.2 |
| pgcrypto | 1.3 |
| pglogical | 2.4.2, 2.4.3, 2.4.4 |
| pgrowlocks | 1.2 |
| pgstattuple | 1.4, 1.5 |
| plpgsql | 1.0 |
| postgres_fdw | 1.0, 1.1 |
| refint | 1.0 |
| seg | 1.1, 1.2, 1.3, 1.4 |
| sslinfo | 1.2 |
| tablefunc | 1.0 |
| tcn | 1.0 |
| tsm_system_rows | 1.0 |
| tsm_system_time | 1.0 |
| unaccent | 1.1 |
| uuid-ossp | 1.1 |
| vector | 0.5.0, 0.5.1, 0.6.0, 0.6.1, 0.6.2, 0.7.0, 0.7.1, 0.7.2, 0.7.3, 0.7.4, 0.8.0 |
| xml2 | 1.1 |
MySQL/MariaDB
| Feature | MySQL 8.0.x | Maria 10.x |
|---|---|---|
| Full Copy Replication | ✔ | coming soon |
| Logical Replication | ✔ | ✔ |
| Subsetting - table exclusion | ✔ | coming soon |
| Subsetting - table filters | ✔ | coming soon |
| PII Scan | ✔ | ✔ |
| Masking | ✔ | ✔ |
MongoDB
| Feature | Mongo 5.x | Mongo 6.x |
|---|---|---|
| Full Copy Replication | ✔ | ✔ |
| Logical Replication | coming soon | coming soon |
| Subsetting - table exclusion | ✔ | ✔ |
| Subsetting - table filters | ✔ | ✔ |
| PII Scan | ✔ | ✔ |
| Masking | ✔ | ✔ |