[YSQL] Stored generated column is not supported

[tedyu]

Jira Link: DB-1115

Description

yugabyte=# CREATE TABLE gtest0 (a int PRIMARY KEY, b int GENERATED ALWAYS AS (55) STORED);
ERROR:  syntax error at or near "("
LINE 1: ...st0 (a int PRIMARY KEY, b int GENERATED ALWAYS AS (55) STORE...
                                                             ^

[saurik]

Apparently this was a PostgreSQL 12 feature (and Yugabyte is based on PostgreSQL 11.2).

[TroyKomodo]

Would be nice if this ticket made it into a milestone.