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Privacera Documentation

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Configure Presto resource policies

Presto supports access, masking, and row level filter policies.

  • Catalog: Specify the catalog name.

    • Schema: Specify the schema name.

    • Sessionproperty: Specify the session property.

    • Table: Specify the table name.

    • Procedure: Specify the procedure name.

    • Column: Specify the column name.

  • Prestouser:

  • Systemproperty:

  • Function:

  • Allow Conditions:

    • Permissions:

      • Select

      • Insert

      • Create

      • Drop

      • Delete

      • Use

      • Alter

      • Grant

      • Revoke

      • Show

      • Impersonate

      • All

      • Execute

      • Create View

  • Delegate Admin: Assign administrator rights to the roles, groups, or users specified in the policy. The administrator can edit or delete the policy, and can also create child policies based on the original policy.

Configure Presto masking policies

  • Presto Catalog

  • Presto Schema

  • Presto Table

  • Presto Column

  • Masking Conditions:

    • Permissions

      • Select: Tick the permission as 'Select'. At present, only 'Select' permission is available.

    • Select Masking Option: You are allowed to select only one masking option from the below list.

      • Redact: This option masks all the alphabetic characters with 'x' and all numeric characters with 'n'.

      • Partial mask: show last 4 – This option shows only the last four characters.

      • Partial mask: show first 4 – This option shows only the first four characters.

      • Hash: This option replaces all the characters with '#' of the entire cell value.

      • Nullify: This option replaces all the characters with NULL value.

      • Unmasked (retain original value): This option is used when no masking is required.

      • Date: show only year: This option shows only the year portion of a date string and default the month and day to 01/01.

      • Custom: Using this option you need to mention a custom masked value or expression.

Configure Presto row level filter policies

  • Presto Catalog

  • Presto Schema

  • Presto Table

  • Row Level Conditions:

    • Permissions: Click the Add Permissions and tick as 'Select'. At present, only 'Select' permission is available.

    • Row Level Filter: Click the Add Row Filter and enter the valid SQL predicate to which the policy will be applied based on selected role/groups/users. Note: Row level filtering works by adding the predicate to the query. If the query is not valid, it will fail.