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Diffstat (limited to 'doc/development/migration_style_guide.md')
| -rw-r--r-- | doc/development/migration_style_guide.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/development/migration_style_guide.md b/doc/development/migration_style_guide.md index 454eb2d0fc4..ce564551fbf 100644 --- a/doc/development/migration_style_guide.md +++ b/doc/development/migration_style_guide.md @@ -390,7 +390,7 @@ end **Creating a new table when we have two foreign keys:** -Only one foreign key should be created per migration. This is because [the addition of a foreign key constraint requires a `SHARE ROW EXCLUSIVE` lock on the referenced table](https://www.postgresql.org/docs/12/sql-createtable.html#:~:text=The%20addition%20of%20a%20foreign%20key%20constraint%20requires%20a%20SHARE%20ROW%20EXCLUSIVE%20lock%20on%20the%20referenced%20table), and locking multiple tables in the same transaction should be avoided. +Only one foreign key should be created per transaction. This is because [the addition of a foreign key constraint requires a `SHARE ROW EXCLUSIVE` lock on the referenced table](https://www.postgresql.org/docs/12/sql-createtable.html#:~:text=The%20addition%20of%20a%20foreign%20key%20constraint%20requires%20a%20SHARE%20ROW%20EXCLUSIVE%20lock%20on%20the%20referenced%20table), and locking multiple tables in the same transaction should be avoided. For this, we need three migrations: |