diff options
Diffstat (limited to 'src/backend/commands/indexcmds.c')
| -rw-r--r-- | src/backend/commands/indexcmds.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c index 9b97e44867a..ec66f787253 100644 --- a/src/backend/commands/indexcmds.c +++ b/src/backend/commands/indexcmds.c @@ -651,9 +651,10 @@ DefineIndex(IndexStmt *stmt, * for an overview of how this works) * * Now we must wait until no running transaction could have the table open - * with the old list of indexes. Note we do not need to worry about xacts - * that open the table for writing after this point; they will see the new - * index when they open it. + * with the old list of indexes. Use ShareLock to consider running + * transactions that hold locks that permit writing to the table. Note we + * do not need to worry about xacts that open the table for writing after + * this point; they will see the new index when they open it. * * Note: the reason we use actual lock acquisition here, rather than just * checking the ProcArray and sleeping, is that deadlock is possible if |