docs: add note on partial unique index support

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## Description ✍️

Hasura currently does not support the use of partial unique indexes in upsert mutation as can be seen in [this issue](https://github.com/hasura/graphql-engine-mono/issues/4165). Call out this fact in the documentation.

## Affected components ✍️

-  Docs

PR-URL: https://github.com/hasura/graphql-engine-mono/pull/5019
GitOrigin-RevId: adfb19acfe3f920bcc5865ae4424c3ce148c5b7c
This commit is contained in:
Harish Nair 2022-11-10 23:30:08 +05:30 committed by hasura-bot
parent d829585e9c
commit 4b90c8219a

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@ -43,6 +43,12 @@ Partial unique indexes cannot be used in the `constraint` field.
:::
:::info Note
Partial unique indexes cannot be used in the `constraint` field.
:::
:::info Fetching Postgres constraint names
You can fetch details of unique or primary key constraints on a table by running the following SQL: