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Repartitioned INSERT/SELECT: Add a prepared statement test

pull/3376/head
Hadi Moshayedi 2020-01-14 11:42:22 -08:00
parent 97072c9eb1
commit af2349f21f
2 changed files with 83 additions and 0 deletions
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56
src/test/regress/expected/insert_select_repartition.out
View File

@ -573,6 +573,62 @@ EXPLAIN INSERT INTO target_table SELECT a, max(b) FROM source_table GROUP BY a;
-> Seq Scan on source_table_4213606 source_table (cost=0.00..32.60 rows=2260 width=8) -> Seq Scan on source_table_4213606 source_table (cost=0.00..32.60 rows=2260 width=8)
(10 rows) (10 rows)
--
-- Prepared INSERT/SELECT
--
TRUNCATE target_table;
PREPARE insert_plan(int, int) AS
INSERT INTO target_table
SELECT a, max(b) FROM source_table
WHERE a BETWEEN $1 AND $2 GROUP BY a;
SET client_min_messages TO DEBUG1;
EXECUTE insert_plan(0, 2);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(0, 2);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(0, 2);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(0, 2);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(0, 2);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(0, 2);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(2, 4);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(2, 4);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(2, 4);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(2, 4);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(2, 4);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
EXECUTE insert_plan(2, 4);
DEBUG: INSERT target table and the source relation of the SELECT partition column value must be colocated in distributed INSERT ... SELECT
DEBUG: performing repartitioned INSERT ... SELECT
RESET client_min_messages;
SELECT a, count(*), count(distinct b) distinct_values FROM target_table GROUP BY a ORDER BY a;
a | count | distinct_values
---------------------------------------------------------------------
0 | 6 | 1
1 | 6 | 1
2 | 12 | 1
3 | 6 | 1
4 | 6 | 1
(5 rows)
DROP TABLE source_table, target_table; DROP TABLE source_table, target_table;
SET client_min_messages TO WARNING; SET client_min_messages TO WARNING;
DROP SCHEMA insert_select_repartition CASCADE; DROP SCHEMA insert_select_repartition CASCADE;

27
src/test/regress/sql/insert_select_repartition.sql
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@ -271,6 +271,33 @@ SELECT * FROM target_table ORDER BY a;
EXPLAIN INSERT INTO target_table SELECT a, max(b) FROM source_table GROUP BY a; EXPLAIN INSERT INTO target_table SELECT a, max(b) FROM source_table GROUP BY a;
--
-- Prepared INSERT/SELECT
--
TRUNCATE target_table;
PREPARE insert_plan(int, int) AS
INSERT INTO target_table
SELECT a, max(b) FROM source_table
WHERE a BETWEEN $1 AND $2 GROUP BY a;
SET client_min_messages TO DEBUG1;
EXECUTE insert_plan(0, 2);
EXECUTE insert_plan(0, 2);
EXECUTE insert_plan(0, 2);
EXECUTE insert_plan(0, 2);
EXECUTE insert_plan(0, 2);
EXECUTE insert_plan(0, 2);
EXECUTE insert_plan(2, 4);
EXECUTE insert_plan(2, 4);
EXECUTE insert_plan(2, 4);
EXECUTE insert_plan(2, 4);
EXECUTE insert_plan(2, 4);
EXECUTE insert_plan(2, 4);
RESET client_min_messages;
SELECT a, count(*), count(distinct b) distinct_values FROM target_table GROUP BY a ORDER BY a;
DROP TABLE source_table, target_table; DROP TABLE source_table, target_table;