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MXS-2457 Disable query classifier cache in masking

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As the canonicalization is also not aware of 'ANSI_QUOTES', the
cache must be disabled if the masking filter has
'treat_string_arg_as_field' enabled.
This commit is contained in:
Johan Wikman 2019-05-03 10:03:01 +03:00
parent 4aa8eac799
commit 5833c39a8a
1 changed files with 22 additions and 0 deletions
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22
server/modules/filter/masking/maskingfilter.cc
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@ -185,6 +185,28 @@ MaskingFilter* MaskingFilter::create(const char* zName, MXS_CONFIG_PARAMETER* pP
if (sRules.get())
{
pFilter = new MaskingFilter(config, sRules);
if (config.treat_string_arg_as_field())
{
MXS_NOTICE("The parameter 'treat_string_arg_as_field' is enabled for %s. "
"As a consequence, the query classifier cache must be disabled.",
zName);
QC_CACHE_PROPERTIES cache_properties;
qc_get_cache_properties(&cache_properties);
if (cache_properties.max_size != 0)
{
cache_properties.max_size = 0;
qc_set_cache_properties(&cache_properties);
MXS_NOTICE("Query classifier cache disabled.");
}
else
{
MXS_NOTICE("The query classifier cache was disabled already.");
}
}
}
return pFilter;