Arnab Karmakar has uploaded this change for review. ( http://gerrit.cloudera.org:8080/23800
Change subject: IMPALA-14555: Add Iceberg support for SHOW PARTITIONS WHERE ...................................................................... IMPALA-14555: Add Iceberg support for SHOW PARTITIONS WHERE This patch adds WHERE clause support for SHOW PARTITIONS on Iceberg tables, extending the functionality previously added for HDFS tables in IMPALA-14065. Iceberg uses manifest-based metadata filtering instead of filesystem traversal, so predicates are evaluated using Iceberg's TableScan.filter() API. This initial implementation supports simple predicates (comparisons, IN, BETWEEN, IS NULL, AND/OR) but not functions, subqueries, or analytics. For complex queries with functions, users should use Iceberg metadata tables: SELECT * FROM table.partitions WHERE <complex predicate> Key changes: - Added IcebergPartitionStatsHelper for WHERE clause analysis on Iceberg tables - Updated ShowStatsStmt to route Iceberg tables to the new helper - Modified FeIcebergTable.Utils.getPartitionStats() to accept optional Iceberg Expression filter for efficient manifest-level partition pruning - Added filtered_iceberg_partition_stats to TShowStatsParams for passing pre-computed results from analysis to execution Testing: - Unit tests in AnalyzeDDLTest for valid predicates and error cases - End-to-end tests in show-stats.test covering various predicate types Change-Id: I4c0ee4d171ae939770725d89dc504e13f82a7688 --- M common/thrift/Frontend.thrift M docs/topics/impala_iceberg.xml M fe/src/main/java/org/apache/impala/analysis/IcebergPartitionExpr.java A fe/src/main/java/org/apache/impala/analysis/IcebergPartitionStatsHelper.java M fe/src/main/java/org/apache/impala/analysis/ShowStatsStmt.java M fe/src/main/java/org/apache/impala/catalog/FeIcebergTable.java M fe/src/main/java/org/apache/impala/service/Frontend.java M fe/src/main/java/org/apache/impala/service/JniFrontend.java M fe/src/test/java/org/apache/impala/analysis/AnalyzeDDLTest.java M testdata/workloads/functional-query/queries/QueryTest/show-stats.test 10 files changed, 561 insertions(+), 56 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/00/23800/1 -- To view, visit http://gerrit.cloudera.org:8080/23800 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I4c0ee4d171ae939770725d89dc504e13f82a7688 Gerrit-Change-Number: 23800 Gerrit-PatchSet: 1 Gerrit-Owner: Arnab Karmakar <[email protected]>
