kasakrisz commented on code in PR #4832:
URL: https://github.com/apache/hive/pull/4832#discussion_r1391245678
##########
ql/src/java/org/apache/hadoop/hive/ql/parse/MergeSemanticAnalyzer.java:
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@@ -142,31 +125,23 @@ WHEN NOT MATCHED THEN INSERT VALUES (source.a2, source.b2)
}
List<ASTNode> whenClauses = findWhenClauses(tree, whenClauseBegins);
- StringBuilder rewrittenQueryStr = createRewrittenQueryStrBuilder();
- rewrittenQueryStr.append("(SELECT ");
String subQueryAlias = isAliased(targetNameNode) ? targetName :
targetTable.getTTable().getTableName();
- ColumnAppender columnAppender = getColumnAppender(subQueryAlias,
StringUtils.EMPTY);
- columnAppender.appendAcidSelectColumns(rewrittenQueryStr,
Context.Operation.MERGE);
-
- rewrittenQueryStr.deleteCharAt(rewrittenQueryStr.length() - 1); // remove
last ','
- addColsToSelect(targetTable.getCols(), rewrittenQueryStr);
- addColsToSelect(targetTable.getPartCols(), rewrittenQueryStr);
- rewrittenQueryStr.append(" FROM
").append(getFullTableNameForSQL(targetNameNode)).append(") ");
- rewrittenQueryStr.append(subQueryAlias);
- rewrittenQueryStr.append('\n');
+ MergeRewriter mergeRewriter = new
MergeRewriterFactory(conf).createMergeRewriter(
Review Comment:
Moved factory creation to SemanticAnalyzerFactory
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