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Do not create table on 'query', only on 'store' (#11961) 

Signed-off-by: Christoph Weitkamp <github@christophweitkamp.de>
This commit is contained in:
Christoph Weitkamp 2022-01-04 21:26:52 +01:00 committed by GitHub
parent d45bcdb7aa
commit 346fcd068c
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1 changed files with 6 additions and 9 deletions
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13
bundles/org.openhab.persistence.jdbc/src/main/java/org/openhab/persistence/jdbc/internal/JdbcPersistenceService.java
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@ -193,19 +193,16 @@ public class JdbcPersistenceService extends JdbcMapper implements QueryablePersi
String table = sqlTables.get(itemName); String table = sqlTables.get(itemName);
if (table == null) { if (table == null) {
logger.warn( logger.debug("JDBC::query: unable to find table for item with name: '{}', no data in database.", itemName);
"JDBC::query: unable to find table for query, no data in database for item '{}'. Current number of tables in the database: {}", return List.of();
itemName, sqlTables.size());
// if enabled, table will be created immediately
logger.warn("JDBC::query: try to generate the table for item '{}'", itemName);
table = getTable(item);
} }
long timerStart = System.currentTimeMillis(); long timerStart = System.currentTimeMillis();
List<HistoricItem> items = getHistItemFilterQuery(filter, conf.getNumberDecimalcount(), table, item); List<HistoricItem> items = getHistItemFilterQuery(filter, conf.getNumberDecimalcount(), table, item);
if (logger.isDebugEnabled()) {
logger.debug("JDBC::query: query for {} returned {} rows in {} ms", itemName, items.size(), logger.debug("JDBC: Query for item '{}' returned {} rows in {} ms", itemName, items.size(),
System.currentTimeMillis() - timerStart); System.currentTimeMillis() - timerStart);
}
// Success // Success
errCnt = 0; errCnt = 0;