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Update masking documentation

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Johan Wikman
2017-01-11 12:58:43 +02:00
parent 3acb43e2ed
commit e79e82b0a9
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Documentation/Filters/Masking.md
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@ -50,6 +50,15 @@ For a secure solution, the masking filter *must* be combined with the
firewall filter to prevent the use of functions and the use of particular firewall filter to prevent the use of functions and the use of particular
columns in where-clauses. columns in where-clauses.
## Limitations
The masking filter can _only_ be used for masking columns of the following
types: `BINARY`, `VARBINARY`, `CHAR`, `VARCHAR`, 'BLOB', TINYBLOB`,
`MEDIUMBLOB`, `LONGBLOB`, `TEXT`, `TINYTEXT`, `MEDIUMTEXT`, `LONGTEXT`,
`ENUM` and `SET`.
If the type of the column is something else, then no masking will be performed.
## Configuration ## Configuration
The masking filter is taken into use with the following kind of The masking filter is taken into use with the following kind of