fx19880617 commented on a change in pull request #6152:
URL: https://github.com/apache/incubator-pinot/pull/6152#discussion_r507007311
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File path:
pinot-common/src/main/java/org/apache/pinot/sql/parsers/CalciteSqlParser.java
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@@ -364,6 +367,42 @@ private static void queryRewrite(PinotQuery pinotQuery) {
validate(aliasMap, pinotQuery);
}
+ private static void applyOrdinals(PinotQuery pinotQuery) {
+ // handle GROUP BY clause
+ for (int i = 0; i < pinotQuery.getGroupByListSize(); i++) {
+ final Expression groupByExpr = pinotQuery.getGroupByList().get(i);
+ if (groupByExpr.isSetLiteral() &&
groupByExpr.getLiteral().isSetLongValue()) {
+ final int ordinal = (int) groupByExpr.getLiteral().getLongValue();
+ pinotQuery.getGroupByList().set(i,
getExpressionFromOrdinal(pinotQuery.getSelectList(), ordinal));
+ }
+ }
+
+ // handle ORDER BY clause
+ for (int i = 0; i < pinotQuery.getOrderByListSize(); i++) {
+ final Expression orderByExpr =
pinotQuery.getOrderByList().get(i).getFunctionCall().getOperands().get(0);
+ if (orderByExpr.isSetLiteral() &&
orderByExpr.getLiteral().isSetLongValue()) {
+ final int ordinal = (int) orderByExpr.getLiteral().getLongValue();
+ pinotQuery.getOrderByList().get(i).getFunctionCall()
+
.setOperands(Arrays.asList(getExpressionFromOrdinal(pinotQuery.getSelectList(),
ordinal)));
+ }
+ }
Review comment:
Below is an example of query and results from mysql:
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