Thread: pgsql: Add some comments to some SQL features

Add some comments to some SQL features

Otherwise, it could be confusing to a reader that some of these
well-publicized features are simply listed as unsupported without
further explanation.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/c6e0edad465e3774401b7f09ad70bd22e5421858

Modified Files
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src/backend/catalog/sql_features.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)