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https://issues.apache.org/jira/browse/DRILL-4956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15826235#comment-15826235
]
ASF GitHub Bot commented on DRILL-4956:
---------------------------------------
Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/666#discussion_r94760664
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/handlers/DropTableHandler.java
---
@@ -55,35 +58,79 @@ public DropTableHandler(SqlHandlerConfig config) {
*/
@Override
public PhysicalPlan getPlan(SqlNode sqlNode) throws ValidationException,
RelConversionException, IOException {
-
SqlDropTable dropTableNode = ((SqlDropTable) sqlNode);
- SqlIdentifier tableIdentifier = dropTableNode.getTableIdentifier();
-
+ String originalTableName = dropTableNode.getName();
SchemaPlus defaultSchema = config.getConverter().getDefaultSchema();
- AbstractSchema drillSchema = null;
+ List<String> tableSchema = dropTableNode.getSchema();
+
+ boolean removedTemporaryTable = removeTemporaryTable(defaultSchema,
tableSchema, originalTableName);
+ // if table to be dropped is not temporary table, we need to check
among persistent tables or views
+ if (!removedTemporaryTable) {
+ AbstractSchema drillSchema =
SchemaUtilites.resolveToMutableDrillSchema(defaultSchema, tableSchema);
+ Table tableToDrop = SqlHandlerUtil.getTableFromSchema(drillSchema,
originalTableName);
+ if (tableToDrop == null || tableToDrop.getJdbcTableType() !=
Schema.TableType.TABLE) {
+ if (dropTableNode.checkTableExistence()) {
+ return DirectPlan.createDirectPlan(context, false,
String.format("Table [%s] not found", originalTableName));
+ } else {
+ throw UserException.validationError().message("Table [%s] not
found", originalTableName).build(logger);
+ }
--- End diff --
Depends on `IF EXISTS` clause. We don't fail if this clause is present in
drop command.
> Temporary tables support
> ------------------------
>
> Key: DRILL-4956
> URL: https://issues.apache.org/jira/browse/DRILL-4956
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.8.0
> Reporter: Arina Ielchiieva
> Assignee: Arina Ielchiieva
> Labels: doc-impacting
> Fix For: Future
>
>
> Link to design doc -
> https://docs.google.com/document/d/1gSRo_w6q2WR5fPx7SsQ5IaVmJXJ6xCOJfYGyqpVOC-g/edit
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