-- noinspection SqlNoDataSourceInspectionForFile

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-- Datasource table/view and Datasource related tables/views
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-- Datasource table creation & update
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-- Creating and populating temporary datasource table
DROP TABLE IF EXISTS ${stats_db_name}.datasource_tmp;
CREATE TABLE ${stats_db_name}.datasource_tmp(`id` string, `name` STRING, `type` STRING, `dateofvalidation` STRING, `yearofvalidation` string, `harvested` BOOLEAN, `piwik_id` INT, `latitude` STRING, `longitude`STRING, `websiteurl` STRING, `compatibility` STRING) CLUSTERED BY (id) INTO 100 buckets stored AS orc tblproperties('transactional'='true');

-- Insert statement that takes into account the piwik_id of the openAIRE graph
INSERT INTO ${stats_db_name}.datasource_tmp 
SELECT substr(d1.id, 4) AS id, officialname.value AS name, 
datasourcetype.classname AS type, dateofvalidation.value AS dateofvalidation, date_format(d1.dateofvalidation.value,'yyyy') AS yearofvalidation, 
FALSE AS harvested, 
CASE WHEN d2.piwik_id IS NULL THEN 0 ELSE d2.piwik_id END AS piwik_id, 
d1.latitude.value AS latitude, d1.longitude.value AS longitude, 
d1.websiteurl.value AS websiteurl, d1.openairecompatibility.classid AS compatibility
FROM ${openaire_db_name}.datasource d1
LEFT OUTER JOIN
(SELECT id, split(originalidd, '\\:')[1] as piwik_id
FROM ${openaire_db_name}.datasource
LATERAL VIEW EXPLODE(originalid) temp AS originalidd
WHERE originalidd like "piwik:%") AS d2
ON d1.id = d2.id
WHERE d1.datainfo.deletedbyinference=FALSE;

-- Updating temporary table with everything that is not based on results -> This is done with the following "dual" table.
-- Creating a temporary dual table that will be removed after the following insert
CREATE TABLE ${stats_db_name}.dual(dummy CHAR(1));
INSERT INTO ${stats_db_name}.dual VALUES('X');
INSERT INTO ${stats_db_name}.datasource_tmp (`id`, `name`, `type`, `dateofvalidation`, `yearofvalidation`, `harvested`, `piwik_id`, `latitude`, `longitude`, `websiteurl`, `compatibility`) 
SELECT 'other', 'Other', 'Repository', NULL, NULL, false, 0, NULL, NULL, NULL, 'unknown' FROM ${stats_db_name}.dual WHERE 'other' not in (SELECT id FROM ${stats_db_name}.datasource_tmp WHERE name='Unknown Repository');
DROP TABLE ${stats_db_name}.dual;

UPDATE ${stats_db_name}.datasource_tmp SET name='Other' WHERE name='Unknown Repository';
UPDATE ${stats_db_name}.datasource_tmp SET yearofvalidation=null WHERE yearofvalidation='-1';

DROP TABLE IF EXISTS ${stats_db_name}.datasource_languages;
CREATE TABLE ${stats_db_name}.datasource_languages AS SELECT substr(d.id, 4) AS id, langs.languages AS language FROM ${openaire_db_name}.datasource d LATERAL VIEW explode(d.odlanguages.value) langs AS languages;

DROP TABLE IF EXISTS ${stats_db_name}.datasource_oids;
CREATE TABLE ${stats_db_name}.datasource_oids AS SELECT substr(d.id, 4) AS id, oids.ids AS oid FROM ${openaire_db_name}.datasource d LATERAL VIEW explode(d.originalid) oids AS ids;

DROP TABLE IF EXISTS ${stats_db_name}.datasource_organizations;
CREATE TABLE ${stats_db_name}.datasource_organizations AS SELECT substr(r.target, 4) AS id, substr(r.source, 4) AS organization FROM ${openaire_db_name}.relation r WHERE r.reltype='datasourceOrganization' and r.datainfo.deletedbyinference=false;

-- datasource sources:
-- where the datasource info have been collected from.
create table if not exists ${stats_db_name}.datasource_sources AS select substr(d.id,4) as id, substr(cf.key, 4) as datasource from ${openaire_db_name}.datasource d lateral view explode(d.collectedfrom) cfrom as cf where d.datainfo.deletedbyinference=false;

CREATE OR REPLACE VIEW ${stats_db_name}.datasource_results AS SELECT datasource AS id, id AS result FROM ${stats_db_name}.result_datasources;

ANALYZE TABLE ${stats_db_name}.datasource_tmp COMPUTE STATISTICS;
ANALYZE TABLE ${stats_db_name}.datasource_tmp COMPUTE STATISTICS FOR COLUMNS;
ANALYZE TABLE ${stats_db_name}.datasource_languages COMPUTE STATISTICS;
ANALYZE TABLE ${stats_db_name}.datasource_languages COMPUTE STATISTICS FOR COLUMNS;
ANALYZE TABLE ${stats_db_name}.datasource_oids COMPUTE STATISTICS;
ANALYZE TABLE ${stats_db_name}.datasource_oids COMPUTE STATISTICS FOR COLUMNS;
ANALYZE TABLE ${stats_db_name}.datasource_organizations COMPUTE STATISTICS;
ANALYZE TABLE ${stats_db_name}.datasource_organizations COMPUTE STATISTICS FOR COLUMNS;