
The tee filter was missing the match/exclude functionality that was in the previous implementation. The filter was upgraded to use PCRE2 regular expressions instead of POSIX regular expressions. Documented that the match/exclude patterns should use PCRE2 syntax.
21 lines
818 B
Markdown
21 lines
818 B
Markdown
# Upgrading MariaDB MaxScale from 2.1 to 2.2
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This document describes possible issues upgrading MariaDB MaxScale from version
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2.1 to 2.2.
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For more information about MariaDB MaxScale 2.2, please refer to the
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[ChangeLog](../Changelog.md).
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For a complete list of changes in MaxScale 2.2.0, refer to the
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[MaxScale 2.2.0 Release Notes](../Release-Notes/MaxScale-2.2.0-Release-Notes.md).
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Before starting the upgrade, we recommend you back up your current configuration
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file.
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### Regular Expression Parameters
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Modules may now use a built-in regular expression string parameter type instead
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of a normal string when accepting patterns. The modules that use the new regex
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parameter type are *qlafilter* and *tee*. When inputting pattern, enclose the
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string in slashes, e.g. `match=/^select/` defines the pattern `^select`.
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