amansinha100 commented on a change in pull request #1334: DRILL-6385: Support
JPPD feature
URL: https://github.com/apache/drill/pull/1334#discussion_r199336591
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/join/HashJoinBatch.java
##########
@@ -491,6 +508,50 @@ private void setupHashTable() throws
SchemaChangeException {
// Create the chained hash table
baseHashTable =
new ChainedHashTable(htConfig, context, allocator, buildBatch,
probeBatch, null);
+ if (enableRuntimeFilter) {
+ setupHash64(htConfig);
+ }
+ }
+
+ private void setupHash64(HashTableConfig htConfig) throws
SchemaChangeException {
+ LogicalExpression[] keyExprsBuild = new
LogicalExpression[htConfig.getKeyExprsBuild().size()];
+ ErrorCollector collector = new ErrorCollectorImpl();
+ int i = 0;
+ for (NamedExpression ne : htConfig.getKeyExprsBuild()) {
+ final LogicalExpression expr =
ExpressionTreeMaterializer.materialize(ne.getExpr(), buildBatch, collector,
context.getFunctionRegistry());
+ if (collector.hasErrors()) {
+ throw new SchemaChangeException("Failure while materializing
expression. " + collector.toErrorString());
+ }
+ if (expr == null) {
+ continue;
+ }
+ keyExprsBuild[i] = expr;
+ i++;
+ }
+ i = 0;
+ boolean meetNotExistField = false;
+ TypedFieldId[] buildSideTypeFieldIds = new
TypedFieldId[keyExprsBuild.length];
+ for (NamedExpression ne : htConfig.getKeyExprsBuild()) {
+ SchemaPath schemaPath = (SchemaPath) ne.getExpr();
+ TypedFieldId typedFieldId = buildBatch.getValueVectorId(schemaPath);
+ if (typedFieldId == null) {
+ meetNotExistField = true;
+ continue;
+ }
+ buildSideTypeFieldIds[i] = typedFieldId;
+ i++;
+ }
+ if (meetNotExistField) {
+ logger.info("as some build side key fileds not found, runtime filter was
disabled");
+ enableRuntimeFilter = false;
+ return;
+ }
+ ValueVectorHashHelper hashHelper = new ValueVectorHashHelper(buildBatch,
context);
+ try {
+ hash64 = hashHelper.getHash64(keyExprsBuild, buildSideTypeFieldIds);
+ } catch (Exception e) {
+ throw new SchemaChangeException("fail to construct a field's hash64
dynamic codes", e);
Review comment:
'fail' => 'failed'
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