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ChrisWint merged 1 commit into from
May 29, 2026
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Update table docs #176

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103 changes: 64 additions & 39 deletions content/compatibility/sql_features.md
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Expand Up @@ -17,50 +17,75 @@

### Table Creation & Deletion

| **Feature** | **Support State** | **Details** |
|-----------------------|-------------------|------------------------------------------------------------------------|
| CREATE TABLE | Yes | [Documentation](/docs/references/objects/tables/) |
| DROP TABLE | Yes | |
| Default Values | Yes | |
| GENERATED | Yes | only AS IDENTITY |
| Check Constraints | No | |
| Not-Null Constraints | Yes | [Documentation](/docs/references/objects/tables/) |
| Unique Constraints | Yes | [Documentation](/docs/references/objects/tables/) |
| Primary Keys | Yes | [Documentation](/docs/references/objects/tables/) |
| Foreign Keys | Yes | Without ON DELETE<br>[Documentation](/docs/references/objects/tables/) |
| Named Constraints | No | |
| Exclusion Constraints | No | |
| System Columns | Yes | Only meaningful for tableoid and ctid |
| **Feature** | **Support State** | **Details** |
|--------------------------------|-------------------|----------------------------------------------------------------------------------------------------------------|
| CREATE TABLE | Yes | [Documentation](/docs/references/objects/tables/) |
| DROP TABLE | Yes | |
| Default Values | Yes | |
| GENERATED AS IDENTITY | Yes | Both `ALWAYS` and `BY DEFAULT` variants |
| GENERATED ALWAYS AS (computed) | No | |
| Check Constraints | Yes | Only at CREATE TABLE time. [Documentation](/docs/references/objects/tables/#constraints) |
| Not-Null Constraints | Yes | [Documentation](/docs/references/objects/tables/) |
| Unique Constraints | Yes | [Documentation](/docs/references/objects/tables/) |
| Primary Keys | Yes | [Documentation](/docs/references/objects/tables/) |
| Foreign Keys | Yes | [Documentation](/docs/references/objects/tables/) |
| FK ON DELETE CASCADE | Yes | |
| FK ON DELETE RESTRICT | Yes | |
| FK ON DELETE NO ACTION | Yes | |
| FK ON UPDATE CASCADE | Yes | |
| FK ON DELETE SET NULL | No | |
| FK ON DELETE SET DEFAULT | No | |
| Named Constraints | Yes | For PRIMARY KEY, UNIQUE, FOREIGN KEY, and CHECK. [Documentation](/docs/references/objects/tables/#constraints) |
| Exclusion Constraints | No | |
| System Columns | Yes | Only meaningful for tableoid and ctid |

Check failure on line 40 in content/compatibility/sql_features.md

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GitHub Actions / vale 

[vale] reported by reviewdog 🐶
[Vale.Spelling] Did you really mean 'tableoid'?

Raw Output:
{"message": "[Vale.Spelling] Did you really mean 'tableoid'?", "location": {"path": "content/compatibility/sql_features.md", "range": {"start": {"line": 40, "column": 76}}}, "severity": "ERROR"}
| UNLOGGED TABLE | No | |
| CREATE TABLE LIKE | Partial | Copies column names and types. `INCLUDING` options not supported |
| DROP TABLE CASCADE | No | |

### Table Modification (ALTER TABLE)

| **Feature** | **Support State** | **Details** |
|-----------------|-------------------|-------------|
| ADD COLUMN | Yes | |
| DROP COLUMN | Yes | |
| ADD CHECK | No | |
| ADD CONSTRAINT | Yes | |
| ADD FOREIGN KEY | Yes | |
| DROP CONSTRAINT | No | |
| ALTER COLUMN | No | |
| SET DEFAULT | No | |
| DROP DEFAULT | No | |
| COLUMN TYPE | No | |
| RENAME COLUMN | Yes | |
| RENAME TO | Yes | |
| **Feature** | **Support State** | **Details** |
|-----------------------------------|-------------------|---------------------------------------------------|
| ADD COLUMN | Yes | |
| ADD COLUMN IF NOT EXISTS | Yes | |
| DROP COLUMN | Yes | |
| DROP COLUMN IF EXISTS | Yes | |
| DROP COLUMN CASCADE | Yes | |
| RENAME COLUMN | Yes | |
| RENAME TO | Yes | |
| ADD CHECK | No | Only at CREATE TABLE time |
| ADD CONSTRAINT (PRIMARY KEY) | Yes | [Documentation](/docs/references/objects/tables/) |
| ADD CONSTRAINT (UNIQUE) | Yes | [Documentation](/docs/references/objects/tables/) |
| ADD CONSTRAINT (FOREIGN KEY) | Yes | [Documentation](/docs/references/objects/tables/) |
| DROP CONSTRAINT | Yes | [Documentation](/docs/references/objects/tables/) |
| DROP CONSTRAINT IF EXISTS | Yes | |
| DROP CONSTRAINT CASCADE | Yes | |
| RENAME CONSTRAINT | No | |
| ALTER COLUMN SET/DROP DEFAULT | No | |
| ALTER COLUMN SET/DROP NOT NULL | No | |
| ALTER COLUMN TYPE | No | |
| SET SCHEMA | No | |
| OWNER TO | Yes | |
| ENABLE/DISABLE ROW LEVEL SECURITY | Yes | CREATE POLICY requires an enterprise license |
| FORCE/NO FORCE ROW LEVEL SECURITY | Yes | |
| SET TABLESPACE | No | |
| CLUSTER ON / SET WITHOUT CLUSTER | No | |
| ATTACH / DETACH PARTITION | No | |
| ENABLE/DISABLE TRIGGER | No | Triggers are not implemented |
| VALIDATE CONSTRAINT | No | |

### Privileges

| **Feature** | **Support State** | **Details** |
|-----------------------|-------------------|--------------------------------------------------|
| CREATE ROLE | Yes | [Documentation](/docs/references/objects/roles) |
| OWNER TO | Yes | |
| ALTER ROLE | Yes | [Documentation](/docs/references/objects/roles) |
| GRANT | Yes | Only GRANT role to other_role |
| REVOKE | No | |
| SET ROLE | No | |
| INHERIT | Yes | [Documentation](/docs/references/objects/roles/) |
| Row Security Policies | No | |
| **Feature** | **Support State** | **Details** |
|-----------------------|-------------------|------------------------------------------------------------|
| CREATE ROLE | Yes | [Documentation](/docs/references/objects/roles) |
| OWNER TO | Yes | |
| ALTER ROLE | Yes | [Documentation](/docs/references/objects/roles) |
| GRANT | Yes | Requires an enterprise license |
| REVOKE | Yes | Requires an enterprise license |
| SET ROLE | Yes | Requires an enterprise license |
| INHERIT | Yes | [Documentation](/docs/references/objects/roles/) |
| Row Security Policies | Yes | Requires an enterprise license |

### Indexes

Expand All @@ -83,7 +108,7 @@
| DROP SCHEMA | Yes | Only if the schema is empty |
| search_path | Yes | [Documentation](/docs/references/objects/schemas/#using-schemas) |
| Table Inheritance | No | |
| Table Partitioning | Yes | Only at creation, only by hash |
| Table Partitioning | Partial | Only hash partitioning. Only at CREATE TABLE time |
| Foreign Data Wrappers | No | |
| Views | Yes | [Documentation](/docs/references/objects/views/) |
| Databases | Yes | [Documentation](/docs/references/objects/databases/) |
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