![]() To recap, in DATABASE you could have any number of database names, separated by, (comma). This new change modifies what can be but in DATABASE and USER fields. I wrote about it in more details earlier while I was explaining how to fix some issue. Pg_hba.conf file is used to decide who can connect to which database, from where, and using what authentication method. Reviewed-by: Jacob Champion, Tom Lane, Michael Paquierĭiscussion: commit message basically explains everything, but let me just quickly talk it through and show some examples. **This compatibility change should be mentioned in the release notes.** Pg_nf is more appealing in the long term. Hence, the consistency gained with regexps in Have database and/or role names that begin with a slash, as well as HBAĮntries using these. Per discussion, we have discarded this asīeing much of an issue in practice as it would require a cluster to I'm searching sentences for whole words by combining SELECT with a regular expression, like this: 'SELECT dtblid, name FROM mytable WHERE name '' + ' ( )' + TextBox1. In order to stay consistent with PostgreSQL's own definition of the type, it's easiest to just use it: create or replace function isnumeric (arg text) returns boolean language plpgsql as begin. Note that this introduces a breakage with older versions, where aĭatabase or user name beginning with a slash are treated as something toĬheck for an equal match. I'm using PostgreSQL database with VB.NET and ODBC (Windows). Any solution based on regular expressions will at best reinvent PostgreSQL's own logic used for casting text to numeric (or any other type). When parsing pg_hba.conf, all theĬomputed regexps needs to explicitely free()'d, same as pg_nf.ĭocumentation and TAP tests are added to cover this feature, includingĬases where the regexps use commas (for clarity in the docs, coverage This commit relies heavily on the refactoring done in a903971 andįc579e1, so as the amount of code required to compile and execute On what I understand, particularly with host entries that have CIDRs. Matching for host names, but these happen to lead to tricky issues based We have discussed as well the possibility to support regexp pattern ![]() The previous logic did the same, but without the regexp step. Is for physical WAL senders, we *have* to only match "replication" for Membership check), that we know will never have a regexp. ![]() Arbitrary keywords (like "all", the ones beginning by '+' for Pg_hba.conf is able to handle multiple databases and roles with aĬomma-separated list of these, hence individual regular expressions thatĪt authentication time, user and database names are now checked in the For example, a user name mapping with a regular expression needsįirst to match with a HBA line, and we would skip the follow-up HBAĮntries if the ident regexp does *not* match with what has matched in Users, as now there is no clean way to match pattern on multiple HBA ![]() Add support for regexps on database and user entries in pg_hba.confĪs of this commit, any database or user entry beginning with a slash (/) ![]()
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