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Review request for hive, Gopal V and Jesús Camacho Rodríguez. Bugs: HIVE-22929 https://issues.apache.org/jira/browse/HIVE-22929 Repository: hive-git Description ------- Performance: quoted identifier parsing uses throwaway Regex via String.replaceAll() Diffs ----- parser/src/java/org/apache/hadoop/hive/ql/parse/HiveLexer.g 0296a3d74e ql/src/java/org/apache/hadoop/hive/ql/ddl/misc/conf/ShowConfOperation.java 88ec1ea9d2 ql/src/java/org/apache/hadoop/hive/ql/ddl/table/column/show/ShowColumnsOperation.java ee98f605fc ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java e9966e6364 ql/src/java/org/apache/hadoop/hive/ql/exec/tez/HivePreWarmProcessor.java b6c0d7f3d8 ql/src/java/org/apache/hadoop/hive/ql/exec/tez/monitoring/TezJobMonitor.java d3fe190e4e ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/CastStringToDateWithFormat.java b50ed0e70c ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/CastStringToTimestampWithFormat.java 9361e77de8 ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/FilterStringColRegExpStringScalar.java 94d37f72ec ql/src/java/org/apache/hadoop/hive/ql/lockmgr/HiveLockObject.java 08aeeb2acd ql/src/java/org/apache/hadoop/hive/ql/metadata/HiveUtils.java 26c7a606bf ql/src/java/org/apache/hadoop/hive/ql/metadata/JarUtils.java cde7459170 ql/src/java/org/apache/hadoop/hive/ql/metadata/SessionHiveMetaStoreClient.java 3dcf876af3 ql/src/java/org/apache/hadoop/hive/ql/metadata/formatting/MetaDataFormatUtils.java 5dbb69d302 ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/NullScanTaskDispatcher.java 9b5a099246 ql/src/java/org/apache/hadoop/hive/ql/optimizer/spark/SplitSparkWorkResolver.java 4d0331df8a ql/src/java/org/apache/hadoop/hive/ql/parse/ColumnStatsSemanticAnalyzer.java 35f7ec674a ql/src/java/org/apache/hadoop/hive/ql/parse/ReplicationSpec.java 99b09e5ea9 ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java fed890f031 ql/src/java/org/apache/hadoop/hive/ql/parse/type/ExprNodeDescExprFactory.java 16d354667b ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDTFGetSplits.java 389f5cc86b Diff: https://reviews.apache.org/r/72168/diff/1/ Testing ------- mvn test -Dtest.output.overwrite -DskipSparkTests -Dtest=TestMiniLlapLocalCliDriver -Dqfile=quotedid_basic.q -pl itests/qtest -Pitests Thanks, Krisztian Kasa