Docs: mention unsupported versions of PostgreSQL (#18307)

Ref #17771 Fixes #18106

Docs: mention unsupported versions of PostgreSQL (#18307)
Ref #17771 Fixes #18106
3063ef6c · Oleg Gaidarenko · Torkel Ödegaard · f3fb178e · 3063ef6c
Commit 3063ef6c authored Aug 02, 2019 by Oleg Gaidarenko Committed by Torkel Ödegaard Aug 02, 2019
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docs/sources/features/datasources/postgres.md
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 # Using PostgreSQL in Grafana

+> NOTE: In **9.5.18, 9.4.23, 9.6.14, 10.9, 11.4, 12-beta2** versions of PostgreSQL has a [bug](https://www.postgresql.org/message-id/flat/28827.1561082086%40sss.pgh.pa.us#df2287bd7481153984bef6bab40af0db) which prevents execution of multiple column modifications via `ALTER TABLE` statement. Because Grafana uses it during initial database set up and since PostgreSQL has [fixed](https://github.com/postgres/postgres/commit/f946a409143d01951411382fbc3c91c7eb640094) this issue, Grafana **does not support these versions**
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 Grafana ships with a built-in PostgreSQL data source plugin that allows you to query and visualize data from a PostgreSQL compatible database.

 ## Adding the data source