Github user hsuanyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/397#discussion_r56455794
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/DrillOperatorTable.java
---
@@ -26,34 +33,88 @@
import org.apache.calcite.sql.SqlOperatorTable;
import org.apache.calcite.sql.SqlSyntax;
import org.apache.calcite.sql.fun.SqlStdOperatorTable;
+import org.apache.drill.exec.planner.physical.PlannerSettings;
+import org.apache.drill.exec.server.options.SystemOptionManager;
import java.util.List;
+import java.util.Map;
+/**
+ * Implementation of {@link SqlOperatorTable} that contains standard
operators and functions provided through
+ * {@link #inner SqlStdOperatorTable}, and Drill User Defined Functions.
+ */
public class DrillOperatorTable extends SqlStdOperatorTable {
- static final org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(DrillOperatorTable.class);
-
+// private static final org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(DrillOperatorTable.class);
private static final SqlOperatorTable inner =
SqlStdOperatorTable.instance();
- private List<SqlOperator> operators;
- private ArrayListMultimap<String, SqlOperator> opMap =
ArrayListMultimap.create();
+ private final List<SqlOperator> operatorsCalcite = Lists.newArrayList();
--- End diff --
operatorsCalcite is native Calcite operators. I change it to
operatorsNativeCalcite. Hopefully, it gives better information.
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