[GitHub] [shardingsphere] Liangda-w commented on a change in pull request #11936: Parse function segment

[GitBox <gi...@apache.org>]

Liangda-w commented on a change in pull request #11936:
URL: https://github.com/apache/shardingsphere/pull/11936#discussion_r693361341



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File path: shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-oracle/src/main/java/org/apache/shardingsphere/sql/parser/oracle/visitor/statement/impl/OracleDDLStatementSQLVisitor.java
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@@ -425,6 +425,9 @@ public ASTNode visitAssociateStatistics(final AssociateStatisticsContext ctx) {
             for (IndexNameContext each: ctx.functionAssociation().indexName()) {
                 result.getIndexes().add((IndexSegment) visit(each));
             }
+//            for (FunctionContext each: ctx.functionAssociation().function()) {
+//                result.getFunctions().add((FunctionSegment) visit(each));
+//            }

Review comment:
       Hi @wgy8283335, I tried to parse `function` segment in a similar with as `index` segment. However, with these commented line above I'm getting this error
   
   ```
   java.lang.ClassCastException: org.apache.shardingsphere.sql.parser.sql.common.value.identifier.IdentifierValue cannot be cast to org.apache.shardingsphere.sql.parser.sql.common.segment.ddl.function.FunctionSegment
   ```
   Do you have idea how to resolve this issue?




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