[taler-exchange] branch master updated: -fix issue with multiple dbinit running concurrently

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grothoff pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new e7a67dfb -fix issue with multiple dbinit running concurrently
     new 37e4d6ab Merge branch 'master' of git+ssh://git.taler.net/exchange
e7a67dfb is described below

commit e7a67dfbb515c71e9fbefe9e30ec1a2e017adf38
Author: Christian Grothoff <grothoff@gnunet.org>
AuthorDate: Sun Aug 27 14:06:28 2023 +0200

    -fix issue with multiple dbinit running concurrently
---
 src/auditordb/versioning.sql    | 7 ++++++-
 src/exchangedb/versioning.sql   | 7 ++++++-
 src/include/taler_testing_lib.h | 4 ++--
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/auditordb/versioning.sql b/src/auditordb/versioning.sql
index 116f409b..c7fa8121 100644
--- a/src/auditordb/versioning.sql
+++ b/src/auditordb/versioning.sql
@@ -146,12 +146,17 @@
 
 BEGIN;
 
+-- Added by Christian Grothoff to support concurrency, see
+-- 
https://stackoverflow.com/questions/29900845/create-schema-if-not-exists-raises-duplicate-key-error?rq=4
+LOCK TABLE pg_catalog.pg_namespace;
+
+
 -- This file adds versioning support to database it will be loaded to.
 -- It requires that PL/pgSQL is already loaded - will raise exception 
otherwise.
 -- All versioning "stuff" (tables, functions) is in "_v" schema.
 
 -- All functions are defined as 'RETURNS SETOF INT4' to be able to make them 
to RETURN literally nothing (0 rows).
--- >> RETURNS VOID<< IS similar, but it still outputs "empty line" in psql 
when calling.
+-- >> RETURNS VOID<< IS similar, but it still outputs "empty line" in psql 
when calling
 CREATE SCHEMA IF NOT EXISTS _v;
 COMMENT ON SCHEMA _v IS 'Schema for versioning data and functionality.';
 
diff --git a/src/exchangedb/versioning.sql b/src/exchangedb/versioning.sql
index 116f409b..c7fa8121 100644
--- a/src/exchangedb/versioning.sql
+++ b/src/exchangedb/versioning.sql
@@ -146,12 +146,17 @@
 
 BEGIN;
 
+-- Added by Christian Grothoff to support concurrency, see
+-- 
https://stackoverflow.com/questions/29900845/create-schema-if-not-exists-raises-duplicate-key-error?rq=4
+LOCK TABLE pg_catalog.pg_namespace;
+
+
 -- This file adds versioning support to database it will be loaded to.
 -- It requires that PL/pgSQL is already loaded - will raise exception 
otherwise.
 -- All versioning "stuff" (tables, functions) is in "_v" schema.
 
 -- All functions are defined as 'RETURNS SETOF INT4' to be able to make them 
to RETURN literally nothing (0 rows).
--- >> RETURNS VOID<< IS similar, but it still outputs "empty line" in psql 
when calling.
+-- >> RETURNS VOID<< IS similar, but it still outputs "empty line" in psql 
when calling
 CREATE SCHEMA IF NOT EXISTS _v;
 COMMENT ON SCHEMA _v IS 'Schema for versioning data and functionality.';
 
diff --git a/src/include/taler_testing_lib.h b/src/include/taler_testing_lib.h
index a514ad2d..367b54bb 100644
--- a/src/include/taler_testing_lib.h
+++ b/src/include/taler_testing_lib.h
@@ -275,12 +275,12 @@ struct TALER_TESTING_Command
    *
    * @param cls closure
    * @param cmd command being run
-   * @param i interpreter state
+   * @param is interpreter state
    */
   void
   (*run)(void *cls,
          const struct TALER_TESTING_Command *cmd,
-         struct TALER_TESTING_Interpreter *i);
+         struct TALER_TESTING_Interpreter *is);
 
 
   /**

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