mirror of https://github.com/citusdata/citus.git
57 lines
2.1 KiB
Plaintext
57 lines
2.1 KiB
Plaintext
CREATE SCHEMA columnar_first_row_number;
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SET search_path tO columnar_first_row_number;
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CREATE TABLE col_table_1 (a int) USING columnar;
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INSERT INTO col_table_1 SELECT i FROM generate_series(1, 10) i;
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BEGIN;
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-- we don't use same first_row_number even if the xact is rollback'ed
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INSERT INTO col_table_1 SELECT i FROM generate_series(1, 11) i;
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ROLLBACK;
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INSERT INTO col_table_1 SELECT i FROM generate_series(1, 12) i;
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SELECT alter_columnar_table_set('col_table_1', stripe_row_limit => 1000);
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alter_columnar_table_set
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---------------------------------------------------------------------
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(1 row)
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INSERT INTO col_table_1 SELECT i FROM generate_series(1, 2350) i;
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SELECT row_count, first_row_number FROM columnar.stripe a
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WHERE a.storage_id = columnar_test_helpers.columnar_relation_storageid('col_table_1'::regclass)
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ORDER BY stripe_num;
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row_count | first_row_number
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---------------------------------------------------------------------
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10 | 1
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12 | 300001
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1000 | 450001
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1000 | 451001
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350 | 452001
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(5 rows)
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VACUUM FULL col_table_1;
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-- show that we properly update first_row_number after VACUUM FULL
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SELECT row_count, first_row_number FROM columnar.stripe a
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WHERE a.storage_id = columnar_test_helpers.columnar_relation_storageid('col_table_1'::regclass)
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ORDER BY stripe_num;
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row_count | first_row_number
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---------------------------------------------------------------------
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1000 | 1
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1000 | 1001
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372 | 2001
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(3 rows)
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TRUNCATE col_table_1;
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BEGIN;
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INSERT INTO col_table_1 SELECT i FROM generate_series(1, 16) i;
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INSERT INTO col_table_1 SELECT i FROM generate_series(1, 16) i;
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COMMIT;
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-- show that we start with first_row_number=1 after TRUNCATE
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SELECT row_count, first_row_number FROM columnar.stripe a
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WHERE a.storage_id = columnar_test_helpers.columnar_relation_storageid('col_table_1'::regclass)
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ORDER BY stripe_num;
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row_count | first_row_number
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---------------------------------------------------------------------
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32 | 1
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(1 row)
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SET client_min_messages TO ERROR;
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DROP SCHEMA columnar_first_row_number CASCADE;
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