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<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
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<title> Postfix manual - sqlite_table(5) </title>
</head> <body> <pre>
SQLITE_TABLE(5)                                                SQLITE_TABLE(5)

<b>NAME</b>
       sqlite_table - Postfix SQLite configuration

<b>SYNOPSIS</b>
       <b>postmap -q "</b><i>string</i><b>" <a href="sqlite_table.5.html">sqlite</a>:/etc/postfix/</b><i>filename</i>

       <b>postmap -q - <a href="sqlite_table.5.html">sqlite</a>:/etc/postfix/</b><i>filename</i> &lt;<i>inputfile</i>

<b>DESCRIPTION</b>
       The  Postfix  mail system uses optional tables for address rewriting or
       mail routing. These tables are usually in <b>dbm</b> or <b>db</b> format.

       Alternatively, lookup tables can be specified as SQLite databases.   In
       order  to use SQLite lookups, define an SQLite source as a lookup table
       in <a href="postconf.5.html">main.cf</a>, for example:
           <a href="postconf.5.html#alias_maps">alias_maps</a> = <a href="sqlite_table.5.html">sqlite</a>:/etc/sqlite-aliases.cf

       The file /etc/postfix/sqlite-aliases.cf has  the  same  format  as  the
       Postfix <a href="postconf.5.html">main.cf</a> file, and can specify the parameters described below.

<b>LIST MEMBERSHIP</b>
       When  using  SQL  to  store  lists such as $<a href="postconf.5.html#mynetworks">mynetworks</a>, $<a href="postconf.5.html#mydestination">mydestination</a>,
       $<a href="postconf.5.html#relay_domains">relay_domains</a>, $<a href="postconf.5.html#local_recipient_maps">local_recipient_maps</a>, etc., it is important to  under-
       stand that the table must store each list member as a separate key. The
       table lookup verifies the *existence* of the key.  See  "Postfix  lists
       versus tables" in the <a href="DATABASE_README.html">DATABASE_README</a> document for a discussion.

       Do  NOT create tables that return the full list of domains in $<a href="postconf.5.html#mydestination">mydesti</a>-
       <a href="postconf.5.html#mydestination">nation</a> or $<a href="postconf.5.html#relay_domains">relay_domains</a> etc., or IP addresses in $<a href="postconf.5.html#mynetworks">mynetworks</a>.

       DO create tables with each matching item as a key and with an arbitrary
       value.  With  SQL databases it is not uncommon to return the key itself
       or a constant value.

<b>SQLITE PARAMETERS</b>
       <b>dbpath</b> The SQLite database file location. Example:
                  dbpath = customer_database

       <b>query</b>  The SQL query template used to search the database, where <b>%s</b>  is
              a  substitute for the address Postfix is trying to resolve, e.g.
                  query = SELECT replacement FROM aliases WHERE mailbox = '%s'

              This parameter supports the following '%' expansions:

              <b>%%</b>     This is replaced by a literal '%' character.

              <b>%s</b>     This is replaced by the input key.  SQL quoting  is  used
                     to  make  sure that the input key does not add unexpected
                     metacharacters.

              <b>%u</b>     When the input key is an address of the form user@domain,
                     <b>%u</b>  is  replaced  by  the  SQL  quoted  local part of the
                     address.  Otherwise, <b>%u</b> is replaced by the entire  search
                     string.   If  the  localpart  is empty, the query is sup-
                     pressed and returns no results.

              <b>%d</b>     When the input key is an address of the form user@domain,
                     <b>%d</b>  is  replaced  by  the  SQL  quoted domain part of the
                     address.  Otherwise, the query is suppressed and  returns
                     no results.

              <b>%[SUD]</b> The upper-case equivalents of the above expansions behave
                     in the <b>query</b> parameter identically  to  their  lower-case
                     counter-parts.   With  the  <b>result_format</b>  parameter (see
                     below), they expand the input key rather than the  result
                     value.

              <b>%[1-9]</b> The  patterns  %1,  %2, ... %9 are replaced by the corre-
                     sponding most significant component of  the  input  key's
                     domain.  If  the input key is <i>user@mail.example.com</i>, then
                     %1 is <b>com</b>, %2 is <b>example</b> and %3 is <b>mail</b>. If the input key
                     is  unqualified or does not have enough domain components
                     to satisfy all the specified patterns, the query is  sup-
                     pressed and returns no results.

              The  <b>domain</b>  parameter  described below limits the input keys to
              addresses in matching domains.  When  the  <b>domain</b>  parameter  is
              non-empty, SQL queries for unqualified addresses or addresses in
              non-matching domains are suppressed and return no results.

              This parameter is available with Postfix 2.2. In prior  releases
              the   SQL   query   was  built  from  the  separate  parameters:
              <b>select_field</b>, <b>table</b>, <b>where_field</b> and <b>additional_conditions</b>.  The
              mapping from the old parameters to the equivalent query is:

                  SELECT [<b>select_field</b>]
                  FROM [<b>table</b>]
                  WHERE [<b>where_field</b>] = '%s'
                        [<b>additional_conditions</b>]

              The  '%s'  in  the  <b>WHERE</b>  clause  expands to the escaped search
              string.  With Postfix 2.2 these legacy parameters  are  used  if
              the <b>query</b> parameter is not specified.

              NOTE: DO NOT put quotes around the query parameter.

       <b>result_format (default: %s</b>)
              Format template applied to result attributes. Most commonly used
              to append (or prepend) text to the result. This  parameter  sup-
              ports the following '%' expansions:

              <b>%%</b>     This is replaced by a literal '%' character.

              <b>%s</b>     This  is  replaced  by the value of the result attribute.
                     When result is empty it is skipped.

              <b>%u</b>     When the result attribute value is an address of the form
                     user@domain,  <b>%u</b>  is  replaced  by  the local part of the
                     address. When the result has an  empty  localpart  it  is
                     skipped.

              <b>%d</b>     When  a  result attribute value is an address of the form
                     user@domain, <b>%d</b> is replaced by the  domain  part  of  the
                     attribute  value.  When  the  result is unqualified it is
                     skipped.

              <b>%[SUD1-9]</b>
                     The upper-case and decimal digit  expansions  interpolate
                     the  parts of the input key rather than the result. Their
                     behavior is identical to that described with  <b>query</b>,  and
                     in  fact  because  the  input  key  is  known in advance,
                     queries whose key does not contain  all  the  information
                     specified  in  the  result  template  are  suppressed and
                     return no results.

              For example, using "result_format = <a href="smtp.8.html">smtp</a>:[%s]" allows one to use
              a mailHost attribute as the basis of a <a href="transport.5.html">transport(5)</a> table. After
              applying the result format, multiple values are concatenated  as
              comma  separated  strings.  The  expansion_limit  and  parameter
              explained below allows one to restrict the number of  values  in
              the result, which is especially useful for maps that must return
              at most one value.

              The default value <b>%s</b> specifies that each result value should  be
              used as is.

              This parameter is available with Postfix 2.2 and later.

              NOTE: DO NOT put quotes around the result format!

       <b>domain (default: no domain list)</b>
              This is a list of domain names, paths to files, or dictionaries.
              When  specified,  only  fully  qualified  search  keys  with   a
              *non-empty*  localpart  and  a  matching domain are eligible for
              lookup:  'user'  lookups,  bare  domain  lookups  and  "@domain"
              lookups  are  not  performed.  This can significantly reduce the
              query load on the SQLite server.
                  domain = postfix.org, <a href="DATABASE_README.html#types">hash</a>:/etc/postfix/searchdomains

              It is best not to use SQL to store the domains eligible for  SQL
              lookups.

              This parameter is available with Postfix 2.2 and later.

              NOTE: DO NOT define this parameter for <a href="local.8.html">local(8)</a> aliases, because
              the input keys are always unqualified.

       <b>expansion_limit (default: 0)</b>
              A limit on the total number of result elements  returned  (as  a
              comma separated list) by a lookup against the map.  A setting of
              zero disables the limit. Lookups fail with a temporary error  if
              the  limit  is  exceeded.   Setting  the limit to 1 ensures that
              lookups do not return multiple values.

<b>OBSOLETE MAIN.CF PARAMETERS</b>
       For compatibility with other Postfix lookup tables,  SQLite  parameters
       can also be defined in <a href="postconf.5.html">main.cf</a>.  In order to do that, specify as SQLite
       source a name that doesn't begin with a slash or  a  dot.   The  SQLite
       parameters  will then be accessible as the name you've given the source
       in its definition, an underscore, and the name of the  parameter.   For
       example,  if the map is specified as "<a href="sqlite_table.5.html">sqlite</a>:<i>sqlitename</i>", the parameter
       "query" would be defined in <a href="postconf.5.html">main.cf</a> as "<i>sqlitename</i>_query".

<b>OBSOLETE QUERY INTERFACE</b>
       This section describes an interface that is deprecated  as  of  Postfix
       2.2.  It  is  replaced  by  the  more general <b>query</b> interface described
       above.  If the  <b>query</b>  parameter  is  defined,  the  legacy  parameters
       described  here  ignored.   Please  migrate to the new interface as the
       legacy interface may be removed in a future release.

       The following parameters can be used  to  fill  in  a  SELECT  template
       statement of the form:

           SELECT [<b>select_field</b>]
           FROM [<b>table</b>]
           WHERE [<b>where_field</b>] = '%s'
                 [<b>additional_conditions</b>]

       The specifier %s is replaced by the search string, and is escaped so if
       it contains single quotes or other odd characters, it will not cause  a
       parse error, or worse, a security problem.

       <b>select_field</b>
              The SQL "select" parameter. Example:
                  <b>select_field</b> = forw_addr

       <b>table</b>  The SQL "select .. from" table name. Example:
                  <b>table</b> = mxaliases

       <b>where_field</b>
              The SQL "select .. where" parameter. Example:
                  <b>where_field</b> = alias

       <b>additional_conditions</b>
              Additional conditions to the SQL query. Example:
                  <b>additional_conditions</b> = AND status = 'paid'

<b>SEE ALSO</b>
       <a href="postmap.1.html">postmap(1)</a>, Postfix lookup table maintenance
       <a href="postconf.5.html">postconf(5)</a>, configuration parameters
       <a href="ldap_table.5.html">ldap_table(5)</a>, LDAP lookup tables
       <a href="mysql_table.5.html">mysql_table(5)</a>, MySQL lookup tables
       <a href="pgsql_table.5.html">pgsql_table(5)</a>, PostgreSQL lookup tables

<b>README FILES</b>
       <a href="DATABASE_README.html">DATABASE_README</a>, Postfix lookup table overview
       <a href="SQLITE_README.html">SQLITE_README</a>, Postfix SQLITE howto

<b>LICENSE</b>
       The Secure Mailer license must be distributed with this software.

<b>HISTORY</b>
       SQLite support was introduced with Postfix version 2.8.

<b>AUTHOR(S)</b>
       Original implementation by:
       Axel Steiner

                                                               SQLITE_TABLE(5)
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