ccaominh commented on a change in pull request #6974: sql support for dynamic
parameters
URL: https://github.com/apache/incubator-druid/pull/6974#discussion_r309808680
##########
File path:
sql/src/main/java/org/apache/druid/sql/calcite/planner/DruidPlanner.java
##########
@@ -57,22 +69,49 @@
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
+import java.util.Properties;
import java.util.Set;
public class DruidPlanner implements Closeable
{
+ private final FrameworkConfig frameworkConfig;
private final Planner planner;
private final PlannerContext plannerContext;
public DruidPlanner(
- final Planner planner,
+ final FrameworkConfig frameworkConfig,
final PlannerContext plannerContext
)
{
- this.planner = planner;
+ this.frameworkConfig = frameworkConfig;
+ this.planner = Frameworks.getPlanner(frameworkConfig);
this.plannerContext = plannerContext;
}
+ public PrepareResult prepare(final String sql) throws SqlParseException,
ValidationException, RelConversionException
+ {
+ SqlNode parsed = planner.parse(sql);
+ SqlExplain explain = null;
+ if (parsed.getKind() == SqlKind.EXPLAIN) {
+ explain = (SqlExplain) parsed;
+ parsed = explain.getExplicandum();
+ }
+ final SqlNode validated = planner.validate(parsed);
+ RelRoot root = planner.rel(validated);
+ RelDataType rowType = root.validatedRowType;
+
+ // this is sort of lame, planner won't cough up it's validator, it's
private and has no accessors, so make another
Review comment:
Typo: it's validator -> its validator
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