public boolean isDatabasePreDeleted(final String database) {
    return partitionInfo.isDatabasePreDeleted(database);
  }
GetNodePathsPartition.

@param physicalPlan GetNodesPathsPartitionReq
@return SchemaNodeManagementPartitionDataSet that contains only existing matched
    SchemaPartition and matched child paths aboveMTree
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/partition/PartitionManager.java