Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/592#discussion_r79667525
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/ischema/InfoSchemaRecordGenerator.java
---
@@ -290,28 +290,30 @@ public Tables(OptionManager optionManager) {
return new PojoRecordReader<>(Records.Table.class,
records.iterator());
}
- @Override
- public void visitTables(String schemaPath, SchemaPlus schema) {
+ @Override public void visitTables(String schemaPath, SchemaPlus
schema) {
final AbstractSchema drillSchema =
schema.unwrap(AbstractSchema.class);
+ final List<Pair<String, TableType>> tableNamesAndTypes = drillSchema
+
.getTableNamesAndTypes(optionManager.getOption(ExecConstants.ENABLE_BULK_LOAD_TABLE_LIST),
+
(int)optionManager.getOption(ExecConstants.BULK_LOAD_TABLE_LIST_BULK_SIZE));
- final List<String> tableNames =
Lists.newArrayList(schema.getTableNames());
- final List<Pair<String, ? extends Table>> tableNameToTables;
-
if(optionManager.getOption(ExecConstants.ENABLE_BULK_LOAD_TABLE_LIST)) {
- tableNameToTables =
drillSchema.getTablesByNamesByBulkLoad(tableNames);
- } else {
- tableNameToTables = drillSchema.getTablesByNames(tableNames);
- }
-
- for(Pair<String, ? extends Table> tableNameToTable :
tableNameToTables) {
- final String tableName = tableNameToTable.getKey();
- final Table table = tableNameToTable.getValue();
+ for (Pair<String, TableType> tableNameAndType : tableNamesAndTypes) {
+ final String tableName = tableNameAndType.getKey();
+ final TableType tableType = tableNameAndType.getValue();
// Visit the table, and if requested ...
- if(shouldVisitTable(schemaPath, tableName)) {
- visitTable(schemaPath, tableName, table);
+ if (shouldVisitTable(schemaPath, tableName)) {
+ visitTableWithType(schemaPath, tableName, tableType);
}
}
}
+ public boolean visitTableWithType(String schemaName, String tableName,
TableType type) {
+ Preconditions
+ .checkNotNull(type, "Error. Type information for table %s.%s
provided is null.", schemaName,
+ tableName);
+ records.add(new Records.Table(IS_CATALOG_NAME, schemaName,
tableName, type.toString()));
+ return false;
--- End diff --
why return `false`?
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