sohardforaname commented on code in PR #11035:
URL: https://github.com/apache/doris/pull/11035#discussion_r931994568
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fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java:
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@@ -190,11 +194,39 @@ public LogicalPlan
visitRegularQuerySpecification(RegularQuerySpecificationConte
/**
* Create an aliased table reference. This is typically used in FROM
clauses.
*/
+ private LogicalPlan applyAlias(TableAliasContext ctx, LogicalPlan plan) {
+ if (null != ctx.strictIdentifier()) {
+ String alias = ctx.strictIdentifier().getText();
+ if (null != ctx.identifierList()) {
+ throw new IllegalStateException("Do not implemented");
+ // List<String> colName =
visitIdentifierSeq(ctx.identifierList().identifierSeq());
+ // TODO: multi-colName
+ } else {
+ return new LogicalSubQueryAlias<>(alias, plan);
+ }
+ }
+ return plan;
+ }
+
@Override
public LogicalPlan visitTableName(TableNameContext ctx) {
List<String> tableId =
visitMultipartIdentifier(ctx.multipartIdentifier());
- // TODO: sample and time travel, alias, sub query
- return new UnboundRelation(tableId);
+ return applyAlias(ctx.tableAlias(), new UnboundRelation(tableId));
+ }
+
+ @Override
+ public LogicalPlan visitAliasedQuery(AliasedQueryContext ctx) {
+ String alias = "__auto_generated_name__";
+ LogicalPlan query = visitQuery(ctx.query());
+ if (null != ctx.tableAlias().strictIdentifier()) {
Review Comment:
Yes, I got an error at running query.
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