Jackie-Jiang commented on a change in pull request #8341:
URL: https://github.com/apache/pinot/pull/8341#discussion_r825377867
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File path:
pinot-common/src/main/java/org/apache/pinot/sql/parsers/CalciteSqlParser.java
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@@ -708,12 +708,12 @@ private static Expression
compileFunctionExpression(SqlBasicCall functionNode) {
case OTHER:
case OTHER_FUNCTION:
case DOT:
- functionName = functionNode.getOperator().getName().toUpperCase();
+ functionName = canonicalize(functionNode.getOperator().getName());
if (functionName.equals("ITEM") || functionName.equals("DOT")) {
// Calcite parses path expression such as "data[0][1].a.b[0]" into a
chain of ITEM and/or DOT
// functions. Collapse this chain into an identifier.
StringBuffer path = new StringBuffer();
- compilePathExpression(functionName, functionNode, path);
Review comment:
Do you mean replacing it with `StringBuilder`? Done
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