konstantinb commented on code in PR #6014:
URL: https://github.com/apache/hive/pull/6014#discussion_r2273796052
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ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/translator/ASTConverter.java:
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@@ -602,12 +604,26 @@ private QueryBlockInfo convertSource(RelNode r) throws
CalciteSemanticException
// retrieve the base table source.
QueryBlockInfo tableFunctionSource = convertSource(tfs.getInput(0));
- String sqAlias = tableFunctionSource.schema.get(0).table;
- // the schema will contain the base table source fields
- s = new Schema(tfs, sqAlias);
- ast = createASTLateralView(tfs, s, tableFunctionSource, sqAlias);
+ // Create schema that preserves base table columns with original alias,
+ // but gives new UDTF columns the unique lateral view alias
+ int baseFieldCount = tableFunctionSource.schema.size();
+ List<RelDataTypeField> allOutputFields = tfs.getRowType().getFieldList();
Review Comment:
It looks like
`final String baseTableAlias = nextAlias();`
works just as well, thank you for the suggestion!
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