diff options
| author | Amit Kapila | 2023-03-17 02:59:41 +0000 |
|---|---|---|
| committer | Amit Kapila | 2023-03-17 02:59:41 +0000 |
| commit | e709596b25bd184d6566dfff240e3f672a548afe (patch) | |
| tree | 054a77f8afd6dd62ec3db67c452e9b78a5436b56 /src/include | |
| parent | eb7d043c9bbadb75a87385113c578f1b30e9d195 (diff) | |
Add macros for ReorderBufferTXN toptxn.
Currently, there are quite a few places in reorderbuffer.c that tries to
access top-transaction for a subtransaction. This makes the code to access
top-transaction consistent and easier to follow.
Author: Peter Smith
Reviewed-by: Vignesh C, Sawada Masahiko
Discussion: https://postgr.es/m/CAHut+PuCznOyTqBQwjRUu-ibG-=KHyCv-0FTcWQtZUdR88umfg@mail.gmail.com
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/replication/reorderbuffer.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/include/replication/reorderbuffer.h b/src/include/replication/reorderbuffer.h index 215d1494e90..e37f5120ebb 100644 --- a/src/include/replication/reorderbuffer.h +++ b/src/include/replication/reorderbuffer.h @@ -249,6 +249,24 @@ typedef struct ReorderBufferChange ((txn)->txn_flags & RBTXN_SKIPPED_PREPARE) != 0 \ ) +/* Is this a top-level transaction? */ +#define rbtxn_is_toptxn(txn) \ +( \ + (txn)->toptxn == NULL \ +) + +/* Is this a subtransaction? */ +#define rbtxn_is_subtxn(txn) \ +( \ + (txn)->toptxn != NULL \ +) + +/* Get the top-level transaction of this (sub)transaction. */ +#define rbtxn_get_toptxn(txn) \ +( \ + rbtxn_is_subtxn(txn) ? (txn)->toptxn : (txn) \ +) + typedef struct ReorderBufferTXN { /* See above */ |