pEpEngine/src/engine_sql.h

#pragma once

#include "pEp_internal.h"

// increment this when patching DDL
#define _DDL_USER_VERSION "19"

PEP_STATUS init_databases(PEP_SESSION session);
PEP_STATUS pEp_sql_init(PEP_SESSION session);
PEP_STATUS pEp_prepare_sql_stmts(PEP_SESSION session);
PEP_STATUS pEp_finalize_sql_stmts(PEP_SESSION session);

/* The strings below are not always all used in a C file, so it is normal that
   a lot of these variables are unused: we do not want warnings, nor complicated
   attribute declrations for every variable. */
#define MAYBE_UNUSED __attribute__((__unused__))

/**
 * Strings to feed into prepared statements
 */
static const char *sql_log MAYBE_UNUSED =
        "insert into log (title, entity, description, comment)"
        "values (?1, ?2, ?3, ?4);";

static const char *sql_trustword MAYBE_UNUSED =
        "select id, word from wordlist where lang = lower(?1) "
        "and id = ?2 ;";

// FIXME?: problems if we don't have a key for the user - we get nothing
// Also: we've never used pgp_keypair.flags before now, but it seems to me that
// having combination of those flags is a road to ruin. Changing this for now.
static const char *sql_get_identity MAYBE_UNUSED =
        "select identity.main_key_id,"
        "   (case when (identity.flags & 1024 = 0) then ifnull(identity.username, person.username) "
        "         else identity.username end),"
        "   comm_type, lang, identity.flags,"
//        "   identity.flags | pgp_keypair.flags,"
        "   is_own, pEp_version_major, pEp_version_minor, enc_format"
        "   from identity"
        "   join person on id = identity.user_id"
        "   left join pgp_keypair on fpr = identity.main_key_id"
        "   left join trust on id = trust.user_id"
        "       and pgp_keypair_fpr = identity.main_key_id"
        "   where (case when (address = ?1) then (1)"
        "               when (lower(address) = lower(?1)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?1),'.','')) then (1)"
        "               else 0"
        "          end) = 1"
        "   and identity.user_id = ?2"
        "   order by is_own desc, "
        "   timestamp desc; ";

static const char *sql_get_identities_by_main_key_id MAYBE_UNUSED =
        "select address, identity.user_id,"
        "   (case when (identity.flags & 1024 = 0) then ifnull(identity.username, person.username) "
        "         else identity.username end),"
        "   comm_type, lang, identity.flags,"
//        "   identity.flags | pgp_keypair.flags,"
        "   is_own, pEp_version_major, pEp_version_minor, enc_format"
        "   from identity"
        "   join person on id = identity.user_id"
        "   left join pgp_keypair on fpr = identity.main_key_id"
        "   left join trust on id = trust.user_id"
        "       and pgp_keypair_fpr = identity.main_key_id"
        "   where identity.main_key_id = ?1"
        "   order by is_own desc, "
        "   timestamp desc; ";

static const char *sql_get_identity_without_trust_check MAYBE_UNUSED =
        "select identity.main_key_id,"
        "   (case when (identity.flags & 1024 = 0) then ifnull(identity.username, person.username) "
        "         else identity.username end),"
        "   lang, identity.flags, is_own, pEp_version_major, pEp_version_minor, enc_format"
        "   from identity"
        "   join person on id = identity.user_id"
        "   where (case when (address = ?1) then (1)"
        "               when (lower(address) = lower(?1)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?1),'.','')) then (1)"
        "               else 0"
        "          end) = 1"
        "   and identity.user_id = ?2 "
        "   order by is_own desc, "
        "   timestamp desc; ";

static const char *sql_get_identities_by_address MAYBE_UNUSED =
        "select user_id, identity.main_key_id,"
        "   (case when (identity.flags & 1024 = 0) then ifnull(identity.username, person.username) "
        "         else identity.username end),"
        "   lang, identity.flags, is_own, pEp_version_major, pEp_version_minor, enc_format"
        "   from identity"
        "   join person on id = identity.user_id"
        "   where (case when (address = ?1) then (1)"
        "               when (lower(address) = lower(?1)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?1),'.','')) then (1)"
        "               else 0"
        "          end) = 1 "
        "   order by is_own desc, "
        "   timestamp desc; ";

static const char *sql_get_identities_by_userid MAYBE_UNUSED =
        "select address, identity.main_key_id,"
        "   (case when (identity.flags & 1024 = 0) then ifnull(identity.username, person.username) "
        "         else identity.username end),"
        "    comm_type, lang, identity.flags,"
//        "    identity.flags | pgp_keypair.flags,"
        "    is_own, pEp_version_major, pEp_version_minor, enc_format"
        "    from identity"
        "    join person on id = identity.user_id"
        "    left join pgp_keypair on fpr = identity.main_key_id"
        "    left join trust on id = trust.user_id"
        "        and pgp_keypair_fpr = identity.main_key_id"
        "    where identity.user_id = ?1"
        "    order by is_own desc, "
        "    timestamp desc; ";

static const char *sql_replace_identities_fpr MAYBE_UNUSED =
        "update identity"
        "   set main_key_id = ?1 "
        "   where main_key_id = ?2 ;";

static const char* sql_set_default_identity_fpr MAYBE_UNUSED =
        "update identity set main_key_id = ?3 "
        "    where user_id = ?1 and address = ?2; ";

static const char *sql_get_default_identity_fpr MAYBE_UNUSED =
        "select main_key_id from identity"
        "   where (case when (address = ?1) then (1)"
        "               when (lower(address) = lower(?1)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?1),'.','')) then (1) "
        "               else 0 "
        "          end) = 1 "
        "          and user_id = ?2 ;";

static const char *sql_remove_fpr_as_identity_default MAYBE_UNUSED =
        "update identity set main_key_id = NULL where main_key_id = ?1 ;";

static const char *sql_remove_fpr_as_user_default MAYBE_UNUSED =
        "update person set main_key_id = NULL where main_key_id = ?1 ;";

// Set person, but if already exist, only update.
// if main_key_id already set, don't touch.
static const char *sql_set_person MAYBE_UNUSED =
        "insert into person (id, username, lang, main_key_id)"
        "  values (?1, ?2, ?3, ?4) ;";

static const char *sql_update_person MAYBE_UNUSED =
        "update person "
        "   set username = ?2, "
        "       lang = ?3, "
        "       main_key_id =  "
        "           (select coalesce( "
        "               (select main_key_id from person where id = ?1), "
        "                upper(replace(?4,' ',''))))"
        "   where id = ?1 ;";

// Will cascade.
static const char *sql_delete_person MAYBE_UNUSED =
        "delete from person where id = ?1 ;";

static const char *sql_set_as_pEp_user MAYBE_UNUSED =
        "update person set is_pEp_user = 1 "
        "   where id = ?1 ; ";

static const char *sql_is_pEp_user MAYBE_UNUSED =
        "select is_pEp_user from person "
        "   where id = ?1 ; ";

static const char* sql_exists_person MAYBE_UNUSED =
        "select count(*) from person "
        "   where id = ?1 ;";

// This will cascade to identity and trust
static const char* sql_replace_userid MAYBE_UNUSED =
        "update person set id = ?1 "
        "   where id = ?2;";

// Hopefully this cascades and removes trust entries...
static const char *sql_delete_key MAYBE_UNUSED =
        "delete from pgp_keypair "
        "   where fpr = ?1 ; ";

static const char *sql_replace_main_user_fpr MAYBE_UNUSED =
        "update person "
        "   set main_key_id = ?1 "
        "   where id = ?2 ;";

static const char *sql_get_main_user_fpr MAYBE_UNUSED =
        "select main_key_id from person"
        "   where id = ?1 ;";

static const char *sql_replace_main_user_fpr_if_equal MAYBE_UNUSED =
        "update person "
        "   set main_key_id = ?1 "
        "   where id = ?2 and main_key_id = ?3;";

static const char *sql_refresh_userid_default_key MAYBE_UNUSED =
        "update person "
        "   set main_key_id = "
        "       (select identity.main_key_id from identity "
        "           join trust on trust.user_id = identity.user_id "
        "               and trust.pgp_keypair_fpr = identity.main_key_id "
        "           join person on person.id = identity.user_id "
        "       where identity.user_id = ?1 "
        "       order by trust.comm_type desc "
        "       limit 1) "
        "where id = ?1 ; ";

static const char *sql_set_pgp_keypair MAYBE_UNUSED =
        "insert or ignore into pgp_keypair (fpr) "
        "values (upper(replace(?1,' ',''))) ;";

static const char *sql_set_pgp_keypair_flags MAYBE_UNUSED =
        "update pgp_keypair set flags = "
        "    ((?1 & 65535) | (select flags from pgp_keypair "
        "                     where fpr = (upper(replace(?2,' ',''))))) "
        "    where fpr = (upper(replace(?2,' ',''))) ;";

static const char *sql_unset_pgp_keypair_flags MAYBE_UNUSED =
        "update pgp_keypair set flags = "
        "    ( ~(?1 & 65535) & (select flags from pgp_keypair"
        "                       where fpr = (upper(replace(?2,' ',''))))) "
        "    where fpr = (upper(replace(?2,' ',''))) ;";

static const char* sql_exists_identity_entry MAYBE_UNUSED =
        "select count(*) from identity "
        "   where (case when (address = ?1) then (1)"
        "               when (lower(address) = lower(?1)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?1),'.','')) then (1)"
        "               else 0"
        "          end) = 1"
        "    and user_id = ?2;";

static const char *sql_set_identity_entry MAYBE_UNUSED =
        "insert into identity ("
        "       address, main_key_id, "
        "       user_id, "
        "       username, "
        "       flags, is_own,"
        "       pEp_version_major, pEp_version_minor"
        "   ) values ("
        "       ?1,"
        "       upper(replace(?2,' ','')),"
        "       ?3,"
        "       ?4,"
        "       ?5,"
        "       ?6,"
        "       ?7,"
        "       ?8 "
        "   );";

static const char* sql_update_identity_entry MAYBE_UNUSED =
        "update identity "
        "   set main_key_id = upper(replace(?2,' ','')), "
        "       username = coalesce(username, ?4), "
        "       flags = ?5, "
        "       is_own = ?6, "
        "       pEp_version_major = ?7, "
        "       pEp_version_minor = ?8 "
        "   where (case when (address = ?1) then (1)"
        "               when (lower(address) = lower(?1)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?1),'.','')) then (1) "
        "               else 0 "
        "          end) = 1 "
        "          and user_id = ?3 ;";

static const char* sql_force_set_identity_username MAYBE_UNUSED =
        "update identity "
        "   set username = coalesce(username, ?3) "
        "   where (case when (address = ?1) then (1)"
        "               when (lower(address) = lower(?1)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?1),'.','')) then (1) "
        "               else 0 "
        "          end) = 1 "
        "          and user_id = ?2 ;";


// " (select"
// "   coalesce("
// "    (select flags from identity"
// "     where address = ?1 and"
// "           user_id = ?3),"
// "    0)"
// " ) | (?4 & 255)"
/* set_identity ignores previous flags, and doesn't filter machine flags */

static const char *sql_set_identity_flags MAYBE_UNUSED =
        "update identity set flags = "
        "    ((?1 & 65535) | (select flags from identity"
        "                    where (case when (address = ?2) then (1)"
        "                                when (lower(address) = lower(?2)) then (1)"
        "                                when (replace(lower(address),'.','') = replace(lower(?2),'.','')) then (1)"
        "                                else 0 "
        "                           end) = 1 "
        "                           and user_id = ?3)) "
        "   where (case when (address = ?2) then (1)"
        "               when (lower(address) = lower(?2)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?2),'.','')) then (1)"
        "               else 0"
        "          end) = 1"
        "          and user_id = ?3 ;";

static const char *sql_unset_identity_flags MAYBE_UNUSED =
        "update identity set flags = "
        "    ( ~(?1 & 65535) & (select flags from identity"
        "                    where (case when (address = ?2) then (1)"
        "                                when (lower(address) = lower(?2)) then (1)"
        "                                when (replace(lower(address),'.','') = replace(lower(?2),'.','')) then (1)"
        "                                else 0 "
        "                           end) = 1 "
        "                           and user_id = ?3)) "
        "   where (case when (address = ?2) then (1)"
        "               when (lower(address) = lower(?2)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?2),'.','')) then (1)"
        "               else 0"
        "          end) = 1"
        "          and user_id = ?3 ;";

static const char *sql_set_ident_enc_format MAYBE_UNUSED =
        "update identity "
        "   set enc_format = ?1 "
        "   where (case when (address = ?2) then (1)"
        "               when (lower(address) = lower(?2)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?2),'.','')) then (1) "
        "               else 0 "
        "          end) = 1 "
        "          and user_id = ?3 ;";

static const char *sql_set_pEp_version MAYBE_UNUSED =
        "update identity "
        "   set pEp_version_major = ?1, "
        "       pEp_version_minor = ?2 "
        "   where (case when (address = ?3) then (1)"
        "               when (lower(address) = lower(?3)) then (1)"
        "               when (replace(lower(address),'.','') = replace(lower(?3),'.','')) then (1) "
        "               else 0 "
        "          end) = 1 "
        "          and user_id = ?4 ;";

static const char *sql_upgrade_pEp_version_by_user_id MAYBE_UNUSED =
        "update identity "
        "   set pEp_version_major = ?1, "
        "       pEp_version_minor = ?2 "
        "       where user_id = ?3 "
        "           and (case when (pEp_version_major < ?1) then (1)"
        "                     when (pEp_version_major > ?1) then (0)"
        "                     when (pEp_version_minor < ?2) then (1)"
        "                     else 0 "
        "           end) = 1 ;";

static const char *sql_set_trust MAYBE_UNUSED =
        "insert into trust (user_id, pgp_keypair_fpr, comm_type) "
        "values (?1, upper(replace(?2,' ','')), ?3) ;";

static const char *sql_update_trust MAYBE_UNUSED =
        "update trust set comm_type = ?3 "
        "   where user_id = ?1 and pgp_keypair_fpr = upper(replace(?2,' ',''));";

static const char *sql_clear_trust_info MAYBE_UNUSED =
        "delete from trust "
        "   where user_id = ?1 and pgp_keypair_fpr = upper(replace(?2,' ',''));";

static const char *sql_update_trust_to_pEp MAYBE_UNUSED =
        "update trust set comm_type = comm_type + 71 "
        "   where (user_id = ?1 "
        "          and (case when (comm_type = 56) then (1) "
        "                    when (comm_type = 184) then (1) "
        "                    else 0"
        "               end) = 1); ";

static const char* sql_exists_trust_entry MAYBE_UNUSED =
        "select count(*) from trust "
        "   where user_id = ?1 and pgp_keypair_fpr = upper(replace(?2,' ',''));";

static const char *sql_update_trust_for_fpr MAYBE_UNUSED =
        "update trust "
        "set comm_type = ?1 "
        "where pgp_keypair_fpr = upper(replace(?2,' ','')) ;";

static const char *sql_get_trust MAYBE_UNUSED =
        "select comm_type from trust where user_id = ?1 "
        "and pgp_keypair_fpr = upper(replace(?2,' ','')) ;";

static const char *sql_get_trust_by_userid MAYBE_UNUSED =
        "select pgp_keypair_fpr, comm_type from trust where user_id = ?1 ";

static const char *sql_least_trust MAYBE_UNUSED =
        "select min(comm_type) from trust where"
        " pgp_keypair_fpr = upper(replace(?1,' ',''))"
        " and comm_type != 0;"; // ignores PEP_ct_unknown
// returns PEP_ct_unknown only when no known trust is recorded

static const char *sql_update_key_sticky_bit_for_user MAYBE_UNUSED =
        "update trust set sticky = ?1 "
        "   where user_id = ?2 and pgp_keypair_fpr = upper(replace(?3,' ','')) ;";

static const char *sql_is_key_sticky_for_user MAYBE_UNUSED =
        "select sticky from trust "
        "    where user_id = ?1 and pgp_keypair_fpr = upper(replace(?2,' ','')) ; ";

static const char *sql_mark_as_compromised MAYBE_UNUSED =
        "update trust not indexed set comm_type = 15"
        " where pgp_keypair_fpr = upper(replace(?1,' ','')) ;";

static const char *sql_crashdump MAYBE_UNUSED =
        "select timestamp, title, entity, description, comment"
        " from log order by timestamp desc limit ?1 ;";

static const char *sql_languagelist MAYBE_UNUSED =
        "select i18n_language.lang, name, phrase"
        " from i18n_language join i18n_token using (lang) where i18n_token.id = 1000;" ;

static const char *sql_i18n_token MAYBE_UNUSED =
        "select phrase from i18n_token where lang = lower(?1) and id = ?2 ;";

// Own keys
// We only care if it's 0 or non-zero
static const char *sql_own_key_is_listed MAYBE_UNUSED =
        "select count(*) from ("
        "   select pgp_keypair_fpr from trust"
        "      join identity on trust.user_id = identity.user_id"
        "      where pgp_keypair_fpr = upper(replace(?1,' ',''))"
        "           and identity.is_own = 1"
        ");";

static const char *sql_is_own_address MAYBE_UNUSED =
        "select count(*) from ("
        "   select address from identity"
        "       where (case when (address = ?1) then (1)"
        "                   when (lower(address) = lower(?1)) then (1)"
        "                   when (replace(lower(address),'.','') = replace(lower(?1),'.','')) then (1)"
        "                   else 0"
        "           end) = 1 "
        "           and identity.is_own = 1"
        ");";

static const char *sql_own_identities_retrieve MAYBE_UNUSED =
        "select address, identity.main_key_id, identity.user_id,"
        "   (case when (identity.flags & 1024 = 0) then ifnull(identity.username, person.username) "
        "         else identity.username end),"
        "   lang, identity.flags,"
//        "   identity.flags | pgp_keypair.flags,"
        "   pEp_version_major, pEp_version_minor"
        "   from identity"
        "   join person on id = identity.user_id"
        "   left join pgp_keypair on fpr = identity.main_key_id"
        "   left join trust on id = trust.user_id"
        "       and pgp_keypair_fpr = identity.main_key_id"
        "   where identity.is_own = 1"
        "       and (identity.flags & ?1) = 0;";

static const char *sql_own_keys_retrieve MAYBE_UNUSED =
        "select distinct pgp_keypair_fpr from trust"
        "   join identity on trust.user_id = identity.user_id"
        "   where identity.is_own = 1";

static const char* sql_get_user_default_key MAYBE_UNUSED =
        "select main_key_id from person"
        "   where id = ?1;";

static const char* sql_get_all_keys_for_user MAYBE_UNUSED =
        "select pgp_keypair_fpr from trust"
        "   where user_id = ?1; ";

static const char* sql_get_default_own_userid MAYBE_UNUSED =
        "select id from person"
        "   join identity on id = identity.user_id"
        "   where identity.is_own = 1";

// Sequence
static const char *sql_sequence_value1 MAYBE_UNUSED =
        "insert or replace into sequences (name, value) "
        "values (?1, "
        "       (select coalesce((select value + 1 from sequences "
        "           where name = ?1), 1 ))); ";

static const char *sql_sequence_value2 MAYBE_UNUSED =
        "select value from sequences where name = ?1 ;";

// Revocation tracking
static const char *sql_set_revoked MAYBE_UNUSED =
        "insert or replace into revoked_keys ("
        "    revoked_fpr, replacement_fpr, revocation_date) "
        "values (upper(replace(?1,' ','')),"
        "        upper(replace(?2,' ','')),"
        "        ?3) ;";

static const char *sql_get_revoked MAYBE_UNUSED =
        "select revoked_fpr, revocation_date from revoked_keys"
        "    where replacement_fpr = upper(replace(?1,' ','')) ;";

static const char *sql_get_replacement_fpr MAYBE_UNUSED =
        "select replacement_fpr, revocation_date from revoked_keys"
        "    where revoked_fpr = upper(replace(?1,' ','')) ;";

static const char *sql_get_userid_alias_default MAYBE_UNUSED =
        "select default_id from alternate_user_id "
        "   where alternate_id = ?1 ; ";

// Revocation tracking
static const char *sql_add_mistrusted_key MAYBE_UNUSED =
        "insert or replace into mistrusted_keys (fpr) "
        "   values (upper(replace(?1,' ',''))) ;";

static const char *sql_delete_mistrusted_key MAYBE_UNUSED =
        "delete from mistrusted_keys where fpr = upper(replace(?1,' ','')) ;";

static const char *sql_is_mistrusted_key MAYBE_UNUSED =
        "select count(*) from mistrusted_keys where fpr = upper(replace(?1,' ','')) ;";

static const char *sql_add_userid_alias MAYBE_UNUSED =
        "insert or replace into alternate_user_id (alternate_id, default_id) "
        "values (?2, ?1) ;";

static const char *sql_add_into_social_graph MAYBE_UNUSED =
        "insert or replace into social_graph(own_userid, own_address, contact_userid) "
        "values (?1, ?2, ?3) ;";

static const char *sql_get_own_address_binding_from_contact MAYBE_UNUSED =
        "select own_address from social_graph where own_userid = ?1 and contact_userid = ?2 ;";

static const char *sql_set_revoke_contact_as_notified MAYBE_UNUSED =
        "insert or replace into revocation_contact_list(fpr, own_address, contact_id) values (?1, ?2, ?3) ;";

static const char *sql_get_contacted_ids_from_revoke_fpr MAYBE_UNUSED =
        "select * from revocation_contact_list where fpr = ?1 ;";

static const char *sql_was_id_for_revoke_contacted MAYBE_UNUSED =
        "select count(*) from revocation_contact_list where fpr = ?1 and own_address = ?2 and contact_id = ?3 ;";

static const char *sql_has_id_contacted_address MAYBE_UNUSED =
        "select count(*) from social_graph where own_address = ?1 and contact_userid = ?2 ;";

// We only need user_id and address, since in the main usage, we'll call update_identity
// on this anyway when sending out messages.
static const char *sql_get_last_contacted MAYBE_UNUSED =
        "select user_id, address from identity where datetime('now') < datetime(timestamp, '+14 days') ; ";

static const char *sql_create_group MAYBE_UNUSED =
        "insert into groups (group_id, group_address, manager_userid, manager_address) "
        "VALUES (?1, ?2, ?3, ?4) ;";

static const char *sql_enable_group MAYBE_UNUSED =
        "update groups set active = 1 "
        "   where group_id = ?1 and group_address = ?2 ;";

static const char *sql_disable_group MAYBE_UNUSED =
        "update groups set active = 0 "
        "   where group_id = ?1 and group_address = ?2 ;";

static const char *sql_exists_group_entry MAYBE_UNUSED =
        "select count(*) from groups "
        "   where group_id = ?1 and group_address = ?2;";
static const char *sql_group_add_member MAYBE_UNUSED =
        "insert or ignore into own_groups_members (group_id, group_address, member_id, member_address) "
        "    values (?1, ?2, ?3, ?4) ;";
static const char *sql_group_delete_member MAYBE_UNUSED =
        "delete from own_groups_members "
        "    where group_id = ?1 and  group_address = ?2 and "
        "          member_id = ?3 and member_address = ?4 ;";
static const char *sql_set_group_member_status MAYBE_UNUSED =
        "update own_groups_members set active_member = ?1 "
        "    where group_id = ?2 and group_address = ?3 and "
        "          member_id = ?4 and member_address = ?5; ";
static const char *sql_group_join MAYBE_UNUSED =
        "update own_memberships set have_joined = 1 "
        "    where group_id = ?1 and group_address = ?2 and "
        "          own_id = ?3 and own_address = ?4; ";
static const char *sql_leave_group MAYBE_UNUSED =
        "update own_memberships set have_joined = 0 "
        "    where group_id = ?1 and group_address = ?2 and "
        "          own_id = ?3 and own_address = ?4; ";
static const char *sql_get_all_members MAYBE_UNUSED =
        "select member_id, member_address, active_member from own_groups_members "
        "    where group_id = ?1 and group_address = ?2; ";
static const char *sql_get_active_members MAYBE_UNUSED =
        "select member_id, member_address from own_groups_members "
        "    where group_id = ?1 and group_address = ?2 and active_member = 1; ";
static const char *sql_get_group_manager MAYBE_UNUSED =
        "select manager_userid, manager_address from groups "
        "   where group_id = ?1 and group_address = ?2; ";
static const char *sql_is_invited_group_member MAYBE_UNUSED =
        "select count(*) from own_groups_members "
        "   where group_id = ?1 and group_address = ?2 and member_id = ?3 and member_address = ?4; ";
static const char *sql_is_active_group_member MAYBE_UNUSED =
        "select active_member from own_groups_members "
        "   where group_id = ?1 and group_address = ?2 and member_id = ?3 and member_address = ?4; ";
static const char *sql_get_all_groups MAYBE_UNUSED =
        "select group_id, group_address from own_memberships; ";
static const char *sql_get_active_groups MAYBE_UNUSED =
        "select group_id, group_address from own_memberships where have_joined = 1; ";
static const char *sql_add_own_membership_entry MAYBE_UNUSED =
        "insert or replace into own_memberships (group_id, group_address, own_id, own_address, have_joined) "
        "    values (?1, ?2, ?3, ?4, 0) ; ";
static const char *sql_is_group_active MAYBE_UNUSED =
        "select count(*) from groups "
        "   where group_id = ?1 and group_address = ?2 and active = 1; ";

// This below can return multiple entries for multiple idents in same group
// FIXME: decide what we really need here
static const char *sql_retrieve_own_membership_info_for_group MAYBE_UNUSED =
        "select own_id, own_address, have_joined "
        "    from own_memberships "
        "    inner join groups using (group_id, group_address) "
        "        where group_id = ?1 and group_address = ?2; ";

static const char *sql_retrieve_own_membership_info_for_group_and_ident
    MAYBE_UNUSED =
        "select have_joined, manager_userid, manager_address, active "
        "    from own_memberships "
        "    inner join groups using (group_id, group_address) "
        "        where group_id = ?1 and group_address = ?2 and own_id = ?3 and own_address = ?4; ";

// This will return all membership info for all identities
static const char *sql_retrieve_all_own_membership_info MAYBE_UNUSED =
        "select group_id, group_address, own_id, own_address, have_joined, manager_id, manager_address, active "
        "    from own_memberships "
        "    inner join using (group_id, group_address); ";

static const char* sql_get_own_membership_status MAYBE_UNUSED =
        "select have_joined from own_memberships "
        "    where group_id = ?1 and group_address = ?2 and "
        "          own_id = ?3 and own_address = ?4; ";