src/backend/parser/gram.y · b8a91d9d1c7ec75aaecf13df687ec7b5b0ed35a6 · Abuhujair Javed / Postgres FD Implementation · GitLab

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ALTER <thing> [IF EXISTS] ... allows silent DDL if required, · b8a91d9d
Simon Riggs authored Jan 23, 2012
```
e.g. ALTER FOREIGN TABLE IF EXISTS foo RENAME TO bar

Pavel Stehule
```
b8a91d9d

gram.y 341 KB