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Log all statements from a sample of transactions

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This is useful to obtain a view of the different transaction types in an
application, regardless of the durations of the statements each runs.

Author: Adrien Nayrat
Reviewed-by: Masahiko Sawada, Hayato Kuroda, Andres Freund
This commit is contained in:
Alvaro Herrera
2019-04-03 18:43:59 -03:00
parent d8c0bd9fef
commit 799e220346
7 changed files with 60 additions and 3 deletions
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src/include/access/xact.h
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@ -55,6 +55,9 @@ extern PGDLLIMPORT int XactIsoLevel;
extern bool DefaultXactReadOnly;
extern bool XactReadOnly;
/* flag for logging statements in this transaction */
extern bool xact_is_sampled;
/*
* Xact is deferrable -- only meaningful (currently) for read only
* SERIALIZABLE transactions