Commit Graph

5 Commits

Author SHA1 Message Date
Christian Decker 2ddf168d59 db: Implement SQL statement rewriting
We now have an abstract rewriter that will perform some common extractions and
replacements (type replacement for example), that can then be customized in
derived classes.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
2019-09-22 02:03:43 +00:00
Christian Decker 640e64cb73 db: Switch statement lookup to use the original query instead
Using a generated identifier with filename and line proved to be brittle since
compilers assign the __LINE__ macro differently on multi-line macro
invocations.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
2019-09-22 02:03:43 +00:00
Christian Decker bf613fa48a postgres: Add postgres statement rewriting support
Signed-off-by: Christian Decker <decker.christian@gmail.com>
2019-09-22 02:03:43 +00:00
Christian Decker 70e8da4fbd wallet: Add read-only flag to extracted queries
This gets rid of the two parallel execution paths of read-only and write
queries, by explicitly stating with each query whether it is a read-only
query, we only need to remember the ones marked as write queries.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
2019-09-05 23:41:05 +00:00
Christian Decker e4ab98459c wallet: Add tooling to extract SQL queries and generate driver info
This is the counterpart of the annotations we did in the last few commits. It
extracts queries, passes them through a driver-specific query rewriter and
dumps them into a driver-specific query-list, along with some metadata to
facilitate processing later on. The generated query list is then registered as
a `db_config` and will be loaded by the driver upon instantiation.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
2019-09-05 23:41:05 +00:00