Revert "[enhance]Added compatibility with mysql alias conflict"

This reverts commit 1131d2f.
Toms1999 · Jul 18, 2024 · 3bc745c · 3bc745c
1 parent 1131d2f
commit 3bc745c
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diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/analysis/BindExpression.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/analysis/BindExpression.java
@@ -76,7 +76,6 @@
 import org.apache.doris.nereids.trees.plans.logical.LogicalInlineTable;
 import org.apache.doris.nereids.trees.plans.logical.LogicalIntersect;
 import org.apache.doris.nereids.trees.plans.logical.LogicalJoin;
-import org.apache.doris.nereids.trees.plans.logical.LogicalOlapScan;
 import org.apache.doris.nereids.trees.plans.logical.LogicalOneRowRelation;
 import org.apache.doris.nereids.trees.plans.logical.LogicalPlan;
 import org.apache.doris.nereids.trees.plans.logical.LogicalProject;
@@ -508,31 +507,6 @@ private LogicalJoin<Plan, Plan> bindJoin(MatchingContext<LogicalJoin<Plan, Plan>
         LogicalJoin<Plan, Plan> join = ctx.root;
         CascadesContext cascadesContext = ctx.cascadesContext;
 
-        Set<String> tableNames = new HashSet<>();
-        List<Plan> children = join.children();
-        for (Plan child : children) {
-            // get alias name
-            if (child instanceof LogicalSubQueryAlias) {
-                LogicalSubQueryAlias subQueryAlias = (LogicalSubQueryAlias) child;
-                String alias = subQueryAlias.getAlias();
-
-                if (!tableNames.add(alias)) {
-                    throw new AnalysisException("Not unique table/alias: '" + alias + "'");
-                }
-                // get table name
-            } else if (child instanceof LogicalFilter) {
-                Plan grandChild = child.children().get(0);
-                if (grandChild instanceof LogicalOlapScan) {
-                    LogicalOlapScan olapScan = (LogicalOlapScan) grandChild;
-                    String tableName = olapScan.getTable().getName();
-
-                    if (!tableNames.add(tableName)) {
-                        throw new AnalysisException("Not unique table/alias: '" + tableName + "'");
-                    }
-                }
-            }
-        }
-
         SimpleExprAnalyzer analyzer = buildSimpleExprAnalyzer(
                 join, cascadesContext, join.children(), true, true);
 

diff --git a/regression-test/suites/nereids_syntax_p0/alias_conflict.groovy b/regression-test/suites/nereids_syntax_p0/alias_conflict.groovy