Avoid syntax error when loading index meta data for MySQl (#32045)

apache · Jul 9, 2024 · 9e223a3 · 9e223a3
1 parent 8fa4725
commit 9e223a3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.../apache/shardingsphere/infra/database/mysql/metadata/data/loader/MySQLMetaDataLoader.java b/.../apache/shardingsphere/infra/database/mysql/metadata/data/loader/MySQLMetaDataLoader.java
@@ -69,7 +69,7 @@ public final class MySQLMetaDataLoader implements DialectMetaDataLoader {
     public Collection<SchemaMetaData> load(final MetaDataLoaderMaterial material) throws SQLException {
         Collection<TableMetaData> tableMetaDataList = new LinkedList<>();
         Map<String, Collection<ColumnMetaData>> columnMetaDataMap = loadColumnMetaDataMap(material.getDataSource(), material.getActualTableNames());
-        Collection<String> viewNames = loadViewNames(material.getDataSource(), columnMetaDataMap.keySet());
+        Collection<String> viewNames = columnMetaDataMap.isEmpty() ? Collections.emptySet() : loadViewNames(material.getDataSource(), columnMetaDataMap.keySet());
         Map<String, Collection<IndexMetaData>> indexMetaDataMap = columnMetaDataMap.isEmpty() ? Collections.emptyMap() : loadIndexMetaData(material.getDataSource(), columnMetaDataMap.keySet());
         Map<String, Collection<ConstraintMetaData>> constraintMetaDataMap =
                 columnMetaDataMap.isEmpty() ? Collections.emptyMap() : loadConstraintMetaDataMap(material.getDataSource(), columnMetaDataMap.keySet());