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https://issues.apache.org/jira/browse/GUACAMOLE-1253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Jumper reassigned GUACAMOLE-1253:
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Assignee: Mike Jumper
> Hitting 2100 SQLServer query parameter limit with large user base
> -----------------------------------------------------------------
>
> Key: GUACAMOLE-1253
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1253
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole-auth-jdbc, guacamole-auth-jdbc-sqlserver
> Environment: docker
> Reporter: Starke Gardner
> Assignee: Mike Jumper
> Priority: Minor
> Fix For: 1.6.0, 1.5.2
>
>
> We have a large user count ~1500 and use SQL Server. When trying to load the
> user settings on the web interface the page will never load and we get this
> error:
> {code:none}
> SELECT [guacamole_user].user_id, [guacamole_entity].entity_id,
> [guacamole_entity].name, password_hash, password_salt, password_date,
> disabled, expired, access_window_start, access_window_end, valid_from,
> valid_until, timezone, full_name, email_address, organization,
> organizational_role, ( SELECT MAX(start_date) FROM [guacamole_user_history]
> WHERE [guacamole_user_history].user_id = [guacamole_user].user_id ) AS
> last_active FROM [guacamole_user] JOIN [guacamole_entity] ON
> [guacamole_user].entity_id
> [guacamole_entity].entity_id WHERE [guacamole_entity].name IN ( ? , ? , ?
> ,.......... ? ) AND [guacamole_entity].type = 'USER'; SELECT
> [guacamole_user_attribute].user_id [guacamole_user_attribute].attribute_name,
> [guacamole_user_attribute].attribute_value FROM [guacamole_user_attribute]
> JOIN [guacamole_user] ON [guacamole_user].user_id
> [guacamole_user_attribute].user_id JOIN [guacamole_entity] ON
> [guacamole_user].entity_id = [guacamole_entity].entity_id WHERE
> [guacamole_entity].name IN ( ? , ? ,........ ? ) AND [guacamole_entity].type
> = 'USER';
> ### Cause: com.microsoft.sqlserver.jdbc.SQLServerException: The incoming
> request has too many parameters. The server supports a maximum of 2100
> parameters. Reduce the number of parameters and resend the request.
> {code}
> I truncated the name IN statement as there was a "?" for each of the 1500
> users two times in the select statement.
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