feat(doris): Constraints + ANALYZE + STATS (T8.3)#152
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…ANALYZE/STATS Add P1 legacy parity for statistics and constraint management statements: AST nodes (doris/ast/stats_nodes.go): - AddConstraintStmt, DropConstraintStmt, ShowConstraintsStmt - AnalyzeStmt, ShowAnalyzeStmt, ShowStatsStmt - DropStatsStmt, KillAnalyzeStmt Parser (doris/parser/stats.go): - ANALYZE [DATABASE|TABLE|(bare)] [WITH SAMPLE PERCENT/ROWS|SYNC|INCREMENTAL] - SHOW [ALL|QUEUED] ANALYZE [TASK STATUS job_id | FOR table | LIKE pat | job_id | bare name WHERE ...] - SHOW [COLUMN|TABLE|INDEX|PARTITION] STATS [target] [WHERE ...] - SHOW CONSTRAINTS FROM table - DROP [EXPIRED|CACHED] STATS target [(cols)] - KILL ANALYZE job_id - ALTER TABLE t ADD CONSTRAINT name PRIMARY KEY/UNIQUE/FOREIGN KEY (...) - ALTER TABLE t DROP CONSTRAINT name Dispatch wired in parser.go and alter_table.go. 38 tests covering all forms including all 7 legacy corpus statements. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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ANALYZE DATABASE/TABLE/PROFILE, SHOW ANALYZE/STATS/CONSTRAINTS, DROP STATS, KILL ANALYZE, ALTER TABLE ADD/DROP CONSTRAINT (PRIMARY KEY/UNIQUE/FOREIGN KEY). 38 tests. DAG: T8.3 (P1). 🤖