* - refresh sql parser - fix warning: no previous declaration for ‘orafce_sql_yynerrs’ [-Wmissing-variable-declarations]
* fix format doc
* fix format doc
* fix format doc
* fix sys_extract_utc calculation for pg12
* regress tests for sys_extract_utc
* fix another warnings related to master - after drop support for pg12, the code for pipe and alert needs refactoring
* fix warnings related to master build
* fix build pg12
* support of sys_extract_utc function
OBS-URL: https://build.opensuse.org/package/show/server:database:postgresql/orafce?expand=0&rev=61
