use of com.facebook.presto.spi.MaterializedViewStatus.MaterializedViewState.TOO_MANY_PARTITIONS_MISSING in project presto by prestodb.
the class HiveMetadata method getMaterializedViewStatus.
@Override
public MaterializedViewStatus getMaterializedViewStatus(ConnectorSession session, SchemaTableName materializedViewName) {
MetastoreContext metastoreContext = getMetastoreContext(session);
ConnectorMaterializedViewDefinition viewDefinition = getMaterializedView(session, materializedViewName).orElseThrow(() -> new MaterializedViewNotFoundException(materializedViewName));
List<Table> baseTables = viewDefinition.getBaseTables().stream().map(baseTableName -> metastore.getTable(metastoreContext, baseTableName.getSchemaName(), baseTableName.getTableName()).orElseThrow(() -> new TableNotFoundException(baseTableName))).collect(toImmutableList());
baseTables.forEach(table -> checkState(table.getTableType().equals(MANAGED_TABLE), format("base table %s is not a managed table", table.getTableName())));
Table materializedViewTable = metastore.getTable(metastoreContext, materializedViewName.getSchemaName(), materializedViewName.getTableName()).orElseThrow(() -> new MaterializedViewNotFoundException(materializedViewName));
checkState(materializedViewTable.getTableType().equals(MATERIALIZED_VIEW), format("materialized view table %s is not a materialized view", materializedViewTable.getTableName()));
validateMaterializedViewPartitionColumns(metastore, metastoreContext, materializedViewTable, viewDefinition);
Map<String, Map<SchemaTableName, String>> directColumnMappings = viewDefinition.getDirectColumnMappingsAsMap();
Map<SchemaTableName, Map<String, String>> viewToBasePartitionMap = getViewToBasePartitionMap(materializedViewTable, baseTables, directColumnMappings);
MaterializedDataPredicates materializedDataPredicates = getMaterializedDataPredicates(metastore, metastoreContext, typeManager, materializedViewTable, timeZone);
if (materializedDataPredicates.getPredicateDisjuncts().isEmpty()) {
return new MaterializedViewStatus(NOT_MATERIALIZED);
}
// Partitions to keep track of for materialized view freshness are the partitions of every base table
// that are not available/updated to the materialized view yet.
Map<SchemaTableName, MaterializedDataPredicates> partitionsFromBaseTables = baseTables.stream().collect(toImmutableMap(baseTable -> new SchemaTableName(baseTable.getDatabaseName(), baseTable.getTableName()), baseTable -> {
MaterializedDataPredicates baseTableMaterializedPredicates = getMaterializedDataPredicates(metastore, metastoreContext, typeManager, baseTable, timeZone);
SchemaTableName schemaTableName = new SchemaTableName(baseTable.getDatabaseName(), baseTable.getTableName());
Map<String, String> viewToBaseIndirectMappedColumns = viewToBaseTableOnOuterJoinSideIndirectMappedPartitions(viewDefinition, baseTable).orElse(ImmutableMap.of());
return differenceDataPredicates(baseTableMaterializedPredicates, materializedDataPredicates, viewToBasePartitionMap.getOrDefault(schemaTableName, ImmutableMap.of()), viewToBaseIndirectMappedColumns);
}));
for (MaterializedDataPredicates dataPredicates : partitionsFromBaseTables.values()) {
if (!dataPredicates.getPredicateDisjuncts().isEmpty()) {
if (dataPredicates.getPredicateDisjuncts().stream().mapToInt(tupleDomain -> tupleDomain.getDomains().isPresent() ? tupleDomain.getDomains().get().size() : 0).sum() > HiveSessionProperties.getMaterializedViewMissingPartitionsThreshold(session)) {
return new MaterializedViewStatus(TOO_MANY_PARTITIONS_MISSING, partitionsFromBaseTables);
}
return new MaterializedViewStatus(PARTIALLY_MATERIALIZED, partitionsFromBaseTables);
}
}
return new MaterializedViewStatus(FULLY_MATERIALIZED);
}
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