Catch syntax error in generated column definition
The syntax
GENERATED BY DEFAULT AS (expr)
is not allowed but we have to accept it in the grammar to avoid
shift/reduce conflicts because of the similar syntax for identity
columns. The existing code just ignored this, incorrectly. Add an
explicit error check and a bespoke error message.
Reported-by: Justin Pryzby <pryzby@telsasoft.com>
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/7241911782a7420e38b6e50b57d304ea48bc5362
Modified Files
--------------
src/backend/parser/gram.y | 13 +++++++++++++
src/test/regress/expected/generated.out | 5 +++++
src/test/regress/sql/generated.sql | 3 +++
3 files changed, 21 insertions(+)