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| author | Christian Grothoff <grothoff@gnunet.org> | 2023-08-27 14:05:09 +0200 |
|---|---|---|
| committer | Christian Grothoff <grothoff@gnunet.org> | 2023-08-27 14:05:12 +0200 |
| commit | dd7567fd05b29004c6517963923deacadfbc0a73 (patch) | |
| tree | c4a15a0815f4483d9f0ad44df774ebd4951a02f5 | |
| parent | 58e6b66e2fdadbe3818d8385ec8e149384905588 (diff) | |
| download | anastasis-dd7567fd05b29004c6517963923deacadfbc0a73.tar.gz anastasis-dd7567fd05b29004c6517963923deacadfbc0a73.tar.bz2 anastasis-dd7567fd05b29004c6517963923deacadfbc0a73.zip | |
-fix issue with multiple dbinit running concurrently
| -rw-r--r-- | src/stasis/versioning.sql | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/stasis/versioning.sql b/src/stasis/versioning.sql index 116f409..c7fa812 100644 --- a/src/stasis/versioning.sql +++ b/src/stasis/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.'; |