kgyrtkirk commented on a change in pull request #1553:
URL: https://github.com/apache/hive/pull/1553#discussion_r503169537
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File path:
ql/src/java/org/apache/hadoop/hive/ql/optimizer/SharedWorkOptimizer.java
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@@ -159,9 +158,15 @@ public ParseContext transform(ParseContext pctx) throws
SemanticException {
// Gather information about the DPP table scans and store it in the cache
gatherDPPTableScanOps(pctx, optimizerCache);
+ BaseSharedWorkOptimizer swo;
+ if (pctx.getConf().getBoolVar(ConfVars.HIVE_SHARED_WORK_MERGE_TS_SCHEMA)) {
+ swo = new BaseSharedWorkOptimizer();
Review comment:
`SchemaAwareSharedWorkOptimizer` is the more strict version
https://github.com/apache/hive/blob/78d42f0321c846ee74794a58b94a92f65797430d/ql/src/java/org/apache/hadoop/hive/ql/optimizer/SharedWorkOptimizer.java#L591
I just wanted to enable schema merge for all the optimizations - so I've
moved it here
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