kasakrisz commented on a change in pull request #1706:
URL: https://github.com/apache/hive/pull/1706#discussion_r540858913
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java
##########
@@ -2349,6 +2362,50 @@ private RelNode
applyMaterializedViewRewriting(RelOptPlanner planner, RelNode ba
return basePlan;
}
+ private RelOptMaterialization
copyMaterializationToNewCluster(RelOptCluster optCluster, RelOptMaterialization
materialization) {
+ final RelNode viewScan = materialization.tableRel;
+ final RelNode newViewScan = HiveMaterializedViewUtils.copyNodeNewCluster(
+ optCluster, viewScan);
+ return new RelOptMaterialization(newViewScan, materialization.queryRel,
null,
+ materialization.qualifiedTableName);
+ }
+
+ private boolean isMaterializedViewRewritingByTextEnabled() {
+ return
conf.getBoolVar(ConfVars.HIVE_MATERIALIZED_VIEW_ENABLE_AUTO_REWRITING_QUERY_TEXT)
&&
+ mvRebuildMode == MaterializationRebuildMode.NONE &&
+ !getQB().isMaterializedView() &&
!ctx.isLoadingMaterializedView() && !getQB().isCTAS() &&
+ getQB().getIsQuery() &&
+ getQB().hasTableDefined();
+ }
+
+ private RelNode applyMaterializedViewRewritingByText(RelNode
calciteGenPlan, RelOptCluster optCluster) {
+ unparseTranslator.applyTranslations(ctx.getTokenRewriteStream(),
EXPANDED_QUERY_TOKEN_REWRITE_PROGRAM);
+ String expandedQueryText = ctx.getTokenRewriteStream()
+ .toString(EXPANDED_QUERY_TOKEN_REWRITE_PROGRAM,
ast.getTokenStartIndex(), ast.getTokenStopIndex());
+ try {
+ List<RelOptMaterialization> relOptMaterializationList =
db.getMaterialization(
+ expandedQueryText, getTablesUsed(calciteGenPlan), getTxnMgr());
+ for (RelOptMaterialization relOptMaterialization :
relOptMaterializationList) {
+ try {
+ Table hiveTableMD = extractTable(relOptMaterialization);
+ if (db.validateMaterializedViewsFromRegistry(
Review comment:
added check, and tests
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