e203f1a48a
* feat(impala): add impala sqlLexer * feat(impala): add impala grammar * feat(impala): add alter table sql * feat(impala): update alter table sql * feat(impala): add alter db sql * feat(impala): add alter view sql * feat(impala): add compute stats/comment statement and update partition_desc for alter table * feat(impala): add drop statement sql * feat(impala): add revoke and grant sql * feat(impala): add create db/function/role/view sql * feat(impala): add describe/explain/invalidata_metadata/load_data sql * feat(impala): add refresh/set/shutdown sql * feat(impala): add truncate_table/use/values sql * fix(impala): update shutdown and invaliddate_metadata * feat(impala): add show/update/upsert sql * feat(impala): add create/insert sql * feat(impala): add select and delete sql * feat(impala): add impala tokens and fix todo * feat(impala): update impalaparser and some test unit * feat(impala): add syntax suggestion * feat(impala): add syntax suggestion * feat(impala): update test unit * feat(impala): remove reference * fix(impala): add statement for sqlname and collect tableName * fix(impala): fix syntax suggestion unit test * fix(impala): update syntax suggestion and collect column * feat(impala): add collect column create
20 lines
986 B
SQL
20 lines
986 B
SQL
-- COMPUTE STATS [db_name.]table_name [ ( column_list ) ] [TABLESAMPLE SYSTEM(percentage) [REPEATABLE(seed)]]
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COMPUTE STATS my_table;
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COMPUTE STATS my_table (column1, column2);
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COMPUTE STATS my_table TABLESAMPLE SYSTEM(20);
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COMPUTE STATS my_table (column1, column2) TABLESAMPLE SYSTEM(2) REPEATABLE(456);
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COMPUTE STATS my_table TABLESAMPLE SYSTEM(2) REPEATABLE(456);
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-- COMPUTE INCREMENTAL STATS [db_name.]table_name [PARTITION (partition_spec)]
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COMPUTE INCREMENTAL STATS my_table;
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COMPUTE INCREMENTAL STATS my_table PARTITION (date='2023-11-14');
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-- example
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compute stats t1;
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compute incremental stats int_partitions partition (x < 100);
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compute incremental stats int_partitions partition (x in (100, 150, 200));
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compute incremental stats int_partitions partition (x between 100 and 175);
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compute incremental stats int_partitions partition (x in (100, 150, 200) or x < 100);
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compute incremental stats int_partitions partition (x != 150);
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compute incremental stats item_partitioned; |