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Changed/Fixed SQL queries. New queries now function to select users who have consented to stats. exports.

This commit is contained in:
Shawn Kwang 2018-09-12 10:18:20 -05:00
parent 60acd8ccd1
commit 60ee7e85f9
1 changed files with 9 additions and 10 deletions
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19
sched/db_dump.cpp
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@ -786,13 +786,13 @@ int ENUMERATION::make_it_happen(char* output_dir) {
// consented to statistics exports.
if ( (!retval) && (consent_type.enabled) ) {
// This INNER JOIN clause does the following: It builds a
// derived table (C) based on the consent table. In doing
// so, it finds the consent status of the users, based on
// derived table (lastest) based on the consent table. In doing
// so, it finds the consent status of users, based on
// their latest consent timestamp, and if the consent_flag
// is TRUE; meaning the user has consented. Then in joins
// table C to the user table, effectively returning users
// table latest to the user table, effectively returning users
// who have consented to statistics exports.
sprintf(joinclause, "INNER JOIN (SELECT B.userid FROM consent AS B INNER JOIN ( SELECT userid,MAX(consent_time) AS max_consent_time FROM consent GROUP BY userid ) AS A ON B.userid=A.userid AND B.consent_time=A.max_consent_time WHERE B.consent_flag=1 AND B.consent_type_id=%ld ) AS C ON user.id=C.userid", consent_type.id);
sprintf(joinclause, "INNER JOIN (SELECT consent.id, consent.userid, consent.consent_type_id, consent.consent_time, consent.consent_flag FROM consent LEFT JOIN consent AS filter ON consent.userid=filter.userid AND consent.consent_type_id = filter.consent_type_id AND filter.consent_time > consent.consent_time WHERE filter.userid IS NULL AND consent.consent_flag=1 AND consent.consent_type_id=%ld) AS latest ON user.id = latest.userid", consent_type.id);
strcat(joinclause, " ");
strcat(joinclause, clause);
strcpy(clause, joinclause);
@ -860,14 +860,13 @@ int ENUMERATION::make_it_happen(char* output_dir) {
// consented to statistics exports.
if ( (!retval) && (consent_type.enabled) ) {
// This INNER JOIN clause does the following: It builds a
// derived table (C) based on the consent table. In doing
// so, it finds the consent status of the users, based on
// derived table (lastest) based on the consent table. In doing
// so, it finds the consent status of users, based on
// their latest consent timestamp, and if the consent_flag
// is TRUE; meaning the user has consented. Then in joins
// table C to the host table matching the user IDs,
// effectively returning hosts belonging to users who have
// consented to statistics exports.
sprintf(joinclause, "INNER JOIN (SELECT B.userid FROM consent AS B INNER JOIN ( SELECT userid,MAX(consent_time) AS max_consent_time FROM consent GROUP BY userid ) AS A ON B.userid=A.userid AND B.consent_time=A.max_consent_time WHERE B.consent_flag=1 AND B.consent_type_id=%ld ) AS C ON host.userid=C.userid", consent_type.id);
// table latest to the user table, effectively returning users
// who have consented to statistics exports.
sprintf(joinclause, "INNER JOIN (SELECT consent.id, consent.userid, consent.consent_type_id, consent.consent_time, consent.consent_flag FROM consent LEFT JOIN consent AS filter ON consent.userid=filter.userid AND consent.consent_type_id = filter.consent_type_id AND filter.consent_time > consent.consent_time WHERE filter.userid IS NULL AND consent.consent_flag=1 AND consent.consent_type_id=%ld) AS latest ON host.userid = latest.userid", consent_type.id);
strcat(joinclause, " ");
strcat(joinclause, clause);
strcpy(clause, joinclause);