diff options
Diffstat (limited to 'src/backend/replication/logical/logical.c')
| -rw-r--r-- | src/backend/replication/logical/logical.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/backend/replication/logical/logical.c b/src/backend/replication/logical/logical.c index 13935915382..61588d626f6 100644 --- a/src/backend/replication/logical/logical.c +++ b/src/backend/replication/logical/logical.c @@ -297,10 +297,12 @@ CreateInitDecodingContext(char *plugin, xmin_horizon = GetOldestSafeDecodingTransactionId(!need_full_snapshot); + SpinLockAcquire(&slot->mutex); slot->effective_catalog_xmin = xmin_horizon; slot->data.catalog_xmin = xmin_horizon; if (need_full_snapshot) slot->effective_xmin = xmin_horizon; + SpinLockRelease(&slot->mutex); ReplicationSlotsComputeRequiredXmin(true); @@ -445,13 +447,14 @@ void DecodingContextFindStartpoint(LogicalDecodingContext *ctx) { XLogRecPtr startptr; + ReplicationSlot *slot = ctx->slot; /* Initialize from where to start reading WAL. */ - startptr = ctx->slot->data.restart_lsn; + startptr = slot->data.restart_lsn; elog(DEBUG1, "searching for logical decoding starting point, starting at %X/%X", - (uint32) (ctx->slot->data.restart_lsn >> 32), - (uint32) ctx->slot->data.restart_lsn); + (uint32) (slot->data.restart_lsn >> 32), + (uint32) slot->data.restart_lsn); /* Wait for a consistent starting point */ for (;;) @@ -477,7 +480,9 @@ DecodingContextFindStartpoint(LogicalDecodingContext *ctx) CHECK_FOR_INTERRUPTS(); } - ctx->slot->data.confirmed_flush = ctx->reader->EndRecPtr; + SpinLockAcquire(&slot->mutex); + slot->data.confirmed_flush = ctx->reader->EndRecPtr; + SpinLockRelease(&slot->mutex); } /* |