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Add a xid argument to the filter_prepare callback for output plugins.

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Along with gid, this provides a different way to identify the transaction.
The users that use xid in some way to prepare the transactions can use it
to filter prepare transactions. The later commands COMMIT PREPARED or
ROLLBACK PREPARED carries both identifiers, providing an output plugin the
choice of what to use.

Author: Markus Wanner
Reviewed-by: Vignesh C, Amit Kapila
Discussion: https://postgr.es/m/ee280000-7355-c4dc-e47b-2436e7be959c@enterprisedb.com
This commit is contained in:
Amit Kapila
2021-03-30 10:34:43 +05:30
parent bc2797ebb1
commit f64ea6dc5c
6 changed files with 38 additions and 21 deletions
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3
src/include/replication/logical.h
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@@ -125,7 +125,8 @@ extern void LogicalIncreaseRestartDecodingForSlot(XLogRecPtr current_lsn,
XLogRecPtr restart_lsn);
extern void LogicalConfirmReceivedLocation(XLogRecPtr lsn);
extern bool filter_prepare_cb_wrapper(LogicalDecodingContext *ctx, const char *gid);
extern bool filter_prepare_cb_wrapper(LogicalDecodingContext *ctx,
TransactionId xid, const char *gid);
extern bool filter_by_origin_cb_wrapper(LogicalDecodingContext *ctx, RepOriginId origin_id);
extern void ResetLogicalStreamingState(void);
extern void UpdateDecodingStats(LogicalDecodingContext *ctx);