Michael Smith has uploaded this change for review. ( http://gerrit.cloudera.org:8080/21302
Change subject: IMPALA-13005: Create Query Live table in HMS ...................................................................... IMPALA-13005: Create Query Live table in HMS Creates the 'sys.impala_query_live' table in HMS using a similar 'CREATE TABLE' command to 'sys.impala_query_log'. Updates frontend to identify a System Table based on the '__IMPALA_SYSTEM_TABLE' property. Tables improperly marked with '__IMPALA_SYSTEM_TABLE' will error when attempting to scan them because no relevant scanner will be available. Creating the table in HMS simplifies supporting 'SHOW CREATE TABLE' and 'DESCRIBE EXTENDED', so allows them for parity with Query Log. Explicitly disables 'COMPUTE STATS' on system tables as it doesn't work correctly. Updates workload management implementation to rely more on SystemTables.thrift definition, and adds DCHECKs to verify completeness and ordering. Testing: - adds additional test cases for changes to introspection commands - passes existing test_query_live and test_query_log suites Change-Id: Idf302ee54a819fdee2db0ae582a5eeddffe4a5b4 --- M be/generated-sources/gen-cpp/CMakeLists.txt M be/src/exec/system-table-scanner.cc M be/src/service/workload-management-fields.cc M be/src/service/workload-management.cc M be/src/service/workload-management.h M common/thrift/SystemTables.thrift M fe/src/main/java/org/apache/impala/analysis/Analyzer.java M fe/src/main/java/org/apache/impala/analysis/ComputeStatsStmt.java M fe/src/main/java/org/apache/impala/analysis/DescribeTableStmt.java M fe/src/main/java/org/apache/impala/analysis/ShowCreateTableStmt.java A fe/src/main/java/org/apache/impala/analysis/SystemTableRef.java M fe/src/main/java/org/apache/impala/catalog/Db.java M fe/src/main/java/org/apache/impala/catalog/SystemTable.java M fe/src/main/java/org/apache/impala/catalog/Table.java D fe/src/test/java/org/apache/impala/catalog/SystemTableTest.java M tests/custom_cluster/test_query_live.py 16 files changed, 299 insertions(+), 342 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/02/21302/1 -- To view, visit http://gerrit.cloudera.org:8080/21302 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: Idf302ee54a819fdee2db0ae582a5eeddffe4a5b4 Gerrit-Change-Number: 21302 Gerrit-PatchSet: 1 Gerrit-Owner: Michael Smith <michael.sm...@cloudera.com>
