dssysolyatin commented on code in PR #4601:
URL: https://github.com/apache/calcite/pull/4601#discussion_r2462971097
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core/src/main/java/org/apache/calcite/sql/dialect/SparkSqlDialect.java:
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@@ -155,6 +156,20 @@ public SparkSqlDialect(SqlDialect.Context context) {
case POSITION:
SqlUtil.unparseFunctionSyntax(SqlStdOperatorTable.POSITION, writer,
call, false);
break;
+ case UNNEST:
+ if (call.getOperator() instanceof SqlUnnestOperator
Review Comment:
Add two separate operators in SqlLibraryOperators: one for `explode` and one
for `posexplode`
And use it like:
```
if (call.getOperator() instanceof SqlUnnestOperator && ((SqlUnnestOperator)
call.getOperator()).withOrdinality ) {
SqlCall posexplodeCall = SqlLibraryOperators.POSEXPLODE
.createCall(SqlParserPos.ZERO, call.getOperandList());
super.unparseCall(writer, posexplodeCall, leftPrec, rightPrec);
} else {
SqlCall explodeCall = SqlLibraryOperators.EXPLODE
.createCall(SqlParserPos.ZERO, call.getOperandList());
super.unparseCall(writer, explodeCall, leftPrec, rightPrec);
}
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