package com.airbnb.airpal.core.store.history;
import com.airbnb.airpal.api.Job;
import com.airbnb.airpal.presto.Table;
import com.airbnb.airpal.sql.DbType;
import com.airbnb.airpal.sql.Util;
import com.airbnb.airpal.sql.beans.JobTableOutputJoinRow;
import com.airbnb.airpal.sql.beans.JobTableRow;
import com.airbnb.airpal.sql.beans.TableRow;
import com.airbnb.airpal.sql.dao.JobDAO;
import com.airbnb.airpal.sql.dao.JobOutputDAO;
import com.airbnb.airpal.sql.dao.JobTableDAO;
import com.airbnb.airpal.sql.dao.TableDAO;
import com.google.common.base.Strings;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import com.google.inject.Inject;
import com.hubspot.rosetta.jdbi.RosettaResultSetMapperFactory;
import lombok.extern.slf4j.Slf4j;
import org.skife.jdbi.v2.DBI;
import org.skife.jdbi.v2.Handle;
import org.skife.jdbi.v2.Query;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static java.lang.String.format;
@Slf4j
public class JobHistoryStoreDAO
implements JobHistoryStore
{
private final DBI dbi;
private final DbType dbType;
@Inject
public JobHistoryStoreDAO(DBI dbi, DbType dbType)
{
this.dbi = dbi;
this.dbType = dbType;
}
private List<Job> getJobs(long limit, int dayInterval, String outerWhereClauseArg, String innerWhereClauseArg)
{
String outerWhereClause = Strings.isNullOrEmpty(outerWhereClauseArg) ? "true" : outerWhereClauseArg;
String innerWhereClause = Strings.isNullOrEmpty(innerWhereClauseArg) ? "true" : innerWhereClauseArg;
try (Handle handle = dbi.open()) {
Query<Map<String, Object>> query = handle.createQuery(
"SELECT " +
"j.id AS id, " +
"j.query AS query, " +
"j.user AS user, " +
"j.uuid AS uuid, " +
"j.queryStats as queryStats, " +
"j.state AS state, " +
"j.columns AS columns, " +
"j.query_finished AS queryFinished, " +
"j.query_started AS queryStarted, " +
"j.error AS error, " +
"t.connector_id AS connectorId, " +
"t.schema_ AS \"schema\", " +
"t.table_ AS \"table\", " +
"t.columns, " +
"jo.type, " +
"jo.description, " +
"jo.location " +
"FROM (SELECT * FROM jobs " +
"WHERE " + Util.getQueryFinishedCondition(dbType) + " " +
"AND " + innerWhereClause + " " +
"ORDER BY query_finished DESC LIMIT :limit) j " +
"LEFT OUTER JOIN job_tables jt ON j.id = jt.job_id " +
"LEFT OUTER JOIN tables t ON jt.table_id = t.id " +
"LEFT OUTER JOIN job_outputs jo ON j.id = jo.job_id " +
"WHERE " + outerWhereClause + " " +
"ORDER BY query_finished DESC")
.bind("limit", limit)
.bind("day_interval", dayInterval);
Map<Long, Job> idToJobMap = query.
map(RosettaResultSetMapperFactory.mapperFor(JobTableOutputJoinRow.class)).
fold(new HashMap<Long, Job>(), new JobTableOutputJoinRow.JobFolder());
return new ArrayList<>(idToJobMap.values());
}
}
private List<Job> getJobs(long limit, int dayInterval)
{
return getJobs(limit, dayInterval, null, null);
}
@Override
public List<Job> getRecentlyRun(long maxResults)
{
try {
return getJobs(maxResults, 1);
} catch (Exception e) {
log.error("Caught exception during getRecentlyRun", e);
return Collections.emptyList();
}
}
@Override
public List<Job> getRecentlyRun(long maxResults, Table table1, Table... otherTables)
{
return getRecentlyRun(maxResults, Lists.asList(table1, otherTables));
}
@Override
public List<Job> getRecentlyRun(long maxResults, Iterable<Table> tables)
{
try {
String tablesClause = Util.getTableCondition(tables);
return getJobs(maxResults, 1, tablesClause, null);
} catch (Exception e) {
log.error("Caught exception during getRecentlyRun", e);
return Collections.emptyList();
}
}
@Override
public List<Job> getRecentlyRunForUser(String user, long maxResults)
{
try {
String usersClause = format("user = '%s'", user);
return getJobs(maxResults, 1, null, usersClause);
} catch (Exception e) {
log.error("Caught exception during getRecentlyRun", e);
return Collections.emptyList();
}
}
@Override
public List<Job> getRecentlyRunForUser(String user, long maxResults, Iterable<Table> tables)
{
try {
String usersClause = format("user = '%s'", user);
String tablesClause = Util.getTableCondition(tables);
return getJobs(maxResults, 1, tablesClause, usersClause);
} catch (Exception e) {
log.error("Caught exception during getRecentlyRun", e);
return Collections.emptyList();
}
}
@Override
public void addRun(Job job)
{
JobDAO jobDAO = dbi.onDemand(JobDAO.class);
TableDAO tableDAO = dbi.onDemand(TableDAO.class);
JobTableDAO jobTableDAO = dbi.onDemand(JobTableDAO.class);
JobOutputDAO jobOutputDAO = dbi.onDemand(JobOutputDAO.class);
// Create the job
long jobId = jobDAO.createJob(job);
// Find all presto tables already represented
Set<TableRow> tablesInDb = Collections.emptySet();
if (job.getTablesUsed().size() > 0) {
tablesInDb = new HashSet<>(tableDAO.getTables(new ArrayList<>(job.getTablesUsed())));
}
// Figure out which tables are not represented
Sets.SetView<Table> tablesToAdd = Sets.difference(
job.getTablesUsed(),
Sets.newHashSet(Iterables.transform(tablesInDb, TableRow.MAP_TO_TABLE)));
// Add tables not already represented
tableDAO.createTables(tablesToAdd);
Set<TableRow> tablesWithIds = Collections.emptySet();
if (job.getTablesUsed().size() > 0) {
tablesWithIds = new HashSet<>(tableDAO.getTables(new ArrayList<>(job.getTablesUsed())));
}
List<JobTableRow> jobTableRows = new ArrayList<>(job.getTablesUsed().size());
for (TableRow tableRow : tablesWithIds) {
jobTableRows.add(new JobTableRow(-1, jobId, tableRow.getId()));
}
// Add associations between Job and Table
jobTableDAO.createJobTables(jobTableRows);
if (job.getOutput().getLocation() != null) {
jobOutputDAO.createJobOutput(job.getOutput(), jobId);
}
}
}