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CREATE TABLE AS SELECT and incremental merges leave Oracle tables without refreshed stats, so downstream plans use defaults until DBMS_STATS is run by hand. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
gather_statisticsconfig that runsDBMS_STATS.GATHER_TABLE_STATSafter table, incremental, snapshot, and seed builds.estimate_percent,method_opt,degree, andcascadewhen the config is a dictionary.Test plan
pytest tests/functional/adapter/test_gather_statistics.pyagainst ADB Free.gather_statisticsset to amethod_optofFOR ALL COLUMNS SIZE 1and confirmALL_TAB_COL_STATISTICSshows a one-bucketFREQUENCYhistogram.NUM_ROWSrefreshes only whengather_statisticsis enabled.gather_statistics: 'yes'fails with a config error.Made with Cursor