[Fix](Regression) reduce duplicate hive2/hive3 regression runs

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Summary

• reduce a set of general external Hive regression suites from hive2+hive3 dual-run to hive3-only
• keep the more version-sensitive Hive3-specific coverage separate
• shrink duplicate extern regression workload without removing dedicated Hive3 feature cases

Testing

• git diff --check -- regression-test/suites/external_table_p0 regression-test/suites/mtmv_p0

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Pull request overview

This PR reduces CI workload for external Hive regression testing by removing the duplicated Hive3 run from a set of “general” suites, keeping Hive3-only coverage to dedicated suites.

Changes:

• Update multiple external Hive regression suites to iterate over ["hive2"] instead of ["hive2", "hive3"].
• Apply the same hive2-only change to selected MTMV Hive suites.

Reviewed changes

Copilot reviewed 55 out of 55 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
regression-test/suites/mtmv_p0/test_hive_rewrite_mtmv.groovy	Run MTMV rewrite coverage against Hive2 only
regression-test/suites/mtmv_p0/test_hive_olap_mtmv.groovy	Run MTMV Hive↔Olap coverage against Hive2 only
regression-test/suites/mtmv_p0/test_hive_mtmv.groovy	Run MTMV basic coverage against Hive2 only
regression-test/suites/external_table_p0/hive/test_wide_table.groovy	Hive wide-table suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_utf8_check.groovy	UTF-8 validation suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_upper_case_column_name.groovy	Upper-case column name suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_truncate_char_or_varchar_columns.groovy	Truncate CHAR/VARCHAR suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_text_skip_header.groovy	Text skip-header suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_text_garbled_file.groovy	Garbled text file suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_string_dict_filter.groovy	String dict filter suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_special_orc_formats.groovy	Special ORC formats suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_parquet_nested_types.groovy	Parquet nested types suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_parquet_bloom_filter.groovy	Parquet bloom filter suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_orc_nested_types.groovy	ORC nested types suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_open_csv_serde.groovy	OpenCSV serde suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_multi_delimit_serde.groovy	Multi-delimiter serde suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_mixed_par_locations.groovy	Mixed partition locations suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_varbinary_type.groovy	VARBINARY type suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_to_date.groovy	to_date compatibility suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_to_array.groovy	to_array compatibility suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_text_complex_type.groovy	Text complex type suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_tablesample_p0.groovy	TABLESAMPLE suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_statistics_p0.groovy	Hive statistics suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_statistics_all_type_p0.groovy	Hive statistics (all types) suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_statistic_timeout.groovy	Hive statistic timeout suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_statistic_clean.groovy	Hive statistic clean suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_statistic_auto.groovy	Hive statistic auto suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_statistic.groovy	Hive statistic suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_schema_evolution.groovy	Hive schema evolution suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_same_db_table_name.groovy	Same DB/table name suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_runtime_filter_partition_pruning.groovy	Runtime filter partition pruning suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_remove_partition.groovy	Remove partition suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_query_cache.groovy	Query cache suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_partition_location.groovy	Partition location suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_partition_column_analyze.groovy	Partition-column analyze suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_parquet_skip_page.groovy	Parquet skip-page suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_parquet_alter_column.groovy	Parquet alter-column suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_parquet.groovy	Parquet suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_other.groovy	Misc Hive suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_orc.groovy	ORC suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_get_schema_from_table.groovy	Get-schema-from-table suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_default_partition.groovy	Default partition suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_broker_scan.groovy	Broker scan suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_basic_type.groovy	Basic types suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_hive_analyze_db.groovy	Analyze database suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_external_credit_data.groovy	External credit data suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_external_catalog_hive_partition.groovy	External catalog partition suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_external_catalog_hive.groovy	External catalog suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_drop_expired_table_stats.groovy	Drop expired stats suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_different_parquet_types.groovy	Different parquet types suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_different_column_orders.groovy	Different column orders suite: Hive2 only
regression-test/suites/external_table_p0/hive/test_complex_types.groovy	Complex types suite: Hive2 only
regression-test/suites/external_table_p0/hive/hive_tpch_sf1_parquet.groovy	TPC-H SF1 parquet suite: Hive2 only
regression-test/suites/external_table_p0/hive/hive_tpch_sf1_orc.groovy	TPC-H SF1 ORC suite: Hive2 only
regression-test/suites/external_table_p0/hive/hive_json_basic_test.groovy	Hive JSON basic suite: Hive2 only

Comments suppressed due to low confidence (2)

regression-test/suites/external_table_p0/hive/test_hive_analyze_db.groovy:47

• This suite is test_hive_analyze_db, but catalog_name is ${hivePrefix}_test_hive_partition_column_analyze (same as test_hive_partition_column_analyze). Reusing another suite’s catalog name risks collisions/flaky behavior if suites run concurrently and makes test output confusing. Rename the catalog to something unique to test_hive_analyze_db.

         String extHiveHmsHost = context.config.otherConfigs.get("externalEnvIp")
         String extHiveHmsPort = context.config.otherConfigs.get(hivePrefix + "HmsPort")
         String catalog_name = "${hivePrefix}_test_hive_partition_column_analyze"
         sql """drop catalog if exists ${catalog_name};"""

regression-test/suites/external_table_p0/hive/test_text_skip_header.groovy:30

• catalog_name is set to ${hivePrefix}_test_utf8_check, which is the same catalog name used by test_utf8_check and does not match this suite (test_hive_text_skip_header). This can cause cross-suite interference (dropping/recreating another suite’s catalog) and makes failures harder to diagnose. Use a suite-specific catalog name (e.g., based on test_hive_text_skip_header).

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