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Remove IN_FENNEL operator #4065

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Remove IN_FENNEL operator #4065

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7 changes: 0 additions & 7 deletions core/src/main/java/org/apache/calcite/rex/RexProgram.java
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,6 @@
import org.apache.calcite.rel.type.RelDataType;
import org.apache.calcite.rel.type.RelDataTypeField;
import org.apache.calcite.sql.SqlExplainLevel;
import org.apache.calcite.sql.fun.SqlStdOperatorTable;
import org.apache.calcite.sql.type.SqlTypeUtil;
import org.apache.calcite.util.Litmus;
import org.apache.calcite.util.Pair;
Expand Down Expand Up @@ -723,12 +722,6 @@ public int getSourceField(int outputOrdinal) {
int index = project.index;
while (true) {
RexNode expr = exprs.get(index);
if (expr instanceof RexCall
&& ((RexCall) expr).getOperator()
== SqlStdOperatorTable.IN_FENNEL) {
// drill through identity function
expr = ((RexCall) expr).getOperands().get(0);
}
if (expr instanceof RexLocalRef) {
index = ((RexLocalRef) expr).index;
} else if (expr instanceof RexInputRef) {
Expand Down
13 changes: 0 additions & 13 deletions core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java
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Expand Up @@ -1995,19 +1995,6 @@ public class SqlStdOperatorTable extends ReflectiveSqlOperatorTable {
OperandTypes.family(SqlTypeFamily.ANY, SqlTypeFamily.DATETIME,
SqlTypeFamily.DATETIME));

/**
* Use of the <code>IN_FENNEL</code> operator forces the argument to be
* evaluated in Fennel. Otherwise acts as identity function.
*/
public static final SqlFunction IN_FENNEL =
new SqlMonotonicUnaryFunction(
"$IN_FENNEL",
SqlKind.OTHER_FUNCTION,
ReturnTypes.ARG0,
null,
OperandTypes.ANY,
SqlFunctionCategory.SYSTEM);

/**
* The SQL <code>CAST</code> operator.
*
Expand Down