external
/
citus
mirror of https://github.com/citusdata/citus.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

update cte inline output for pg13 

Make some macros in version_compat more robust
Remove commented code in ruleutils
Remove unnecessary variable assignments
pull/3900/head
Sait Talha Nisanci 2020-06-15 13:25:35 +03:00
parent 157af140e4
commit 1070828465
8 changed files with 176 additions and 1742 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.gitattributes vendored
View File

@ -27,7 +27,6 @@ configure -whitespace
# except these exceptions... # except these exceptions...
src/backend/distributed/utils/citus_outfuncs.c -citus-style src/backend/distributed/utils/citus_outfuncs.c -citus-style
src/backend/distributed/utils/pg11_snprintf.c -citus-style src/backend/distributed/utils/pg11_snprintf.c -citus-style
src/backend/distributed/deparser/ruleutils_10.c -citus-style
src/backend/distributed/deparser/ruleutils_11.c -citus-style src/backend/distributed/deparser/ruleutils_11.c -citus-style
src/backend/distributed/deparser/ruleutils_12.c -citus-style src/backend/distributed/deparser/ruleutils_12.c -citus-style
src/backend/distributed/deparser/ruleutils_13.c -citus-style src/backend/distributed/deparser/ruleutils_13.c -citus-style

29
src/backend/distributed/deparser/ruleutils_13.c
View File

@ -16,8 +16,6 @@
*/ */
#include "distributed/pg_version_constants.h" #include "distributed/pg_version_constants.h"
#pragma GCC optimize ("O0")
#include "pg_config.h" #include "pg_config.h"
#if (PG_VERSION_NUM >= PG_VERSION_13) && (PG_VERSION_NUM < PG_VERSION_14) #if (PG_VERSION_NUM >= PG_VERSION_13) && (PG_VERSION_NUM < PG_VERSION_14)
@ -3964,21 +3962,22 @@ get_name_for_var_field(Var *var, int fieldno,
var->varlevelsup, levelsup); var->varlevelsup, levelsup);
dpns = (deparse_namespace *) list_nth(context->namespaces, dpns = (deparse_namespace *) list_nth(context->namespaces,
netlevelsup); netlevelsup);
/*
* If we have a syntactic referent for the Var, and we're working from a
* parse tree, prefer to use the syntactic referent. Otherwise, fall back
* on the semantic referent. (See comments in get_variable().)
*/
// if (var->varnosyn > 0 && dpns->plan == NULL)
// {
// varno = var->varnosyn;
// varattno = var->varattnosyn;
// }
// else
// {
varno = var->varno; varno = var->varno;
varattno = var->varattno; varattno = var->varattno;
// }
if (var->varnosyn > 0 && var->varnosyn <= list_length(dpns->rtable) && dpns->plan == NULL) {
rte = rt_fetch(var->varnosyn, dpns->rtable);
// if the rte var->varnosync points to is not a regular table and it is a join
// then the correct relname will be found with var->varnosync and var->varattnosync
// TODO:: this is a workaround and it can be simplified.
if (rte->rtekind == RTE_JOIN && rte->relid == 0 && var->varnosyn != var->varno) {
varno = var->varnosyn;
varattno = var->varattnosyn;
}
}
/* /*
* Try to find the relevant RTE in this rtable. In a plan tree, it's * Try to find the relevant RTE in this rtable. In a plan tree, it's
* likely that varno is OUTER_VAR or INNER_VAR, in which case we must dig * likely that varno is OUTER_VAR or INNER_VAR, in which case we must dig

2
src/backend/distributed/planner/relation_restriction_equivalence.c
View File

@ -1377,7 +1377,7 @@ RangeTableOffsetCompat(PlannerInfo *root, AppendRelInfo *appendRelInfo)
{ {
#if PG_VERSION_NUM >= PG_VERSION_13 #if PG_VERSION_NUM >= PG_VERSION_13
int i = 1; int i = 1;
for (i = 1; i < root->simple_rel_array_size; i++) for (; i < root->simple_rel_array_size; i++)
{ {
RangeTblEntry *rte = root->simple_rte_array[i]; RangeTblEntry *rte = root->simple_rte_array[i];
if (rte->inh) if (rte->inh)

8
src/include/distributed/version_compat.h
View File

@ -42,8 +42,8 @@
h) h)
#define varoattno varattnosyn #define varoattno varattnosyn
#define varnoold varnosyn #define varnoold varnosyn
#define Set_ptr_value(a, b) a->ptr_value = b #define Set_ptr_value(a, b) ((a)->ptr_value = (b))
#define RangeTableEntryFromNSItem(a) a->p_rte #define RangeTableEntryFromNSItem(a) ((a)->p_rte)
#define QueryCompletionCompat QueryCompletion #define QueryCompletionCompat QueryCompletion
#else /* pre PG13 */ #else /* pre PG13 */
#define lnext_compat(l, r) lnext(r) #define lnext_compat(l, r) lnext(r)
@ -55,8 +55,8 @@
e, f) e, f)
#define getOwnedSequencesCompat(a, b) getOwnedSequences(a, b) #define getOwnedSequencesCompat(a, b) getOwnedSequences(a, b)
#define ExplainOnePlanCompat(a, b, c, d, e, f, g, h) ExplainOnePlan(a, b, c, d, e, f, g) #define ExplainOnePlanCompat(a, b, c, d, e, f, g, h) ExplainOnePlan(a, b, c, d, e, f, g)
#define Set_ptr_value(a, b) a->data.ptr_value = b #define Set_ptr_value(a, b) ((a)->data.ptr_value = (b))
#define RangeTableEntryFromNSItem(a) a #define RangeTableEntryFromNSItem(a) (a)
#define QueryCompletionCompat char #define QueryCompletionCompat char
#endif #endif
#if PG_VERSION_NUM >= PG_VERSION_12 #if PG_VERSION_NUM >= PG_VERSION_12

15
src/test/regress/expected/cte_inline.out
View File

@ -12,10 +12,10 @@ INSERT INTO test_table SELECT i % 10, 'test' || i, row_to_json(row(i, i*18, 'tes
-- server version because CTE inlining might produce -- server version because CTE inlining might produce
-- different debug messages in PG 11 vs PG 12 -- different debug messages in PG 11 vs PG 12
SHOW server_version \gset SHOW server_version \gset
SELECT substring(:'server_version', '\d+')::int; SELECT substring(:'server_version', '\d+')::int >= 12;
substring ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
13 t
(1 row) (1 row)
SET client_min_messages TO DEBUG; SET client_min_messages TO DEBUG;
@ -725,7 +725,8 @@ WITH cte_1 AS (SELECT * FROM test_table),
cte_2 AS (SELECT * FROM test_table ORDER BY 1 DESC LIMIT 3) cte_2 AS (SELECT * FROM test_table ORDER BY 1 DESC LIMIT 3)
(SELECT *, (SELECT 1) FROM cte_1 EXCEPT SELECT *, 1 FROM test_table) (SELECT *, (SELECT 1) FROM cte_1 EXCEPT SELECT *, 1 FROM test_table)
UNION UNION
(SELECT *, 1 FROM cte_2); (SELECT *, 1 FROM cte_2)
ORDER BY 1,2;
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: CTE cte_2 is going to be inlined via distributed planning DEBUG: CTE cte_2 is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
@ -743,13 +744,13 @@ DEBUG: Creating router plan
DEBUG: generating subplan XXX_3 for subquery SELECT key, value, other_value, (SELECT 1) FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte_1 DEBUG: generating subplan XXX_3 for subquery SELECT key, value, other_value, (SELECT 1) FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte_1
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: generating subplan XXX_4 for subquery SELECT key, value, other_value, 1 FROM cte_inline.test_table DEBUG: generating subplan XXX_4 for subquery SELECT key, value, other_value, 1 FROM cte_inline.test_table
DEBUG: Plan XXX query after replacing subqueries and CTEs: (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value, intermediate_result."?column?" FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb, "?column?" integer) EXCEPT SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value, intermediate_result."?column?" FROM read_intermediate_result('XXX_4'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb, "?column?" integer)) UNION SELECT cte_2.key, cte_2.value, cte_2.other_value, 1 FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte_2 DEBUG: Plan XXX query after replacing subqueries and CTEs: (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value, intermediate_result."?column?" FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb, "?column?" integer) EXCEPT SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value, intermediate_result."?column?" FROM read_intermediate_result('XXX_4'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb, "?column?" integer)) UNION SELECT cte_2.key, cte_2.value, cte_2.other_value, 1 FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte_2 ORDER BY 1, 2
DEBUG: Creating router plan DEBUG: Creating router plan
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
9 | test9 | {"f1": 9, "f2": 162, "f3": "test9"} | 1
9 | test29 | {"f1": 29, "f2": 522, "f3": "test29"} | 1
9 | test19 | {"f1": 19, "f2": 342, "f3": "test19"} | 1 9 | test19 | {"f1": 19, "f2": 342, "f3": "test19"} | 1
9 | test29 | {"f1": 29, "f2": 522, "f3": "test29"} | 1
9 | test9 | {"f1": 9, "f2": 162, "f3": "test9"} | 1
(3 rows) (3 rows)
-- cte_1 is safe to inline, even if because after inlining -- cte_1 is safe to inline, even if because after inlining

381
src/test/regress/expected/cte_inline_0.out
View File

@ -12,10 +12,10 @@ INSERT INTO test_table SELECT i % 10, 'test' || i, row_to_json(row(i, i*18, 'tes
-- server version because CTE inlining might produce -- server version because CTE inlining might produce
-- different debug messages in PG 11 vs PG 12 -- different debug messages in PG 11 vs PG 12
SHOW server_version \gset SHOW server_version \gset
SELECT substring(:'server_version', '\d+')::int; SELECT substring(:'server_version', '\d+')::int >= 12;
substring ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
12 f
(1 row) (1 row)
SET client_min_messages TO DEBUG; SET client_min_messages TO DEBUG;
@ -48,19 +48,7 @@ SELECT
FROM FROM
cte_1 cte_1
ORDER BY 2 DESC LIMIT 1; ORDER BY 2 DESC LIMIT 1;
DEBUG: CTE cte_1 is going to be inlined via distributed planning ERROR: syntax error at or near "NOT"
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: generating subplan XXX_1 for CTE cte_1: SELECT key, value, other_value FROM cte_inline.test_table
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT key, value, other_value, (SELECT 1) FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte_1 ORDER BY value DESC LIMIT 1
DEBUG: Creating router plan
DEBUG: Plan is router executable
key | value | other_value | ?column?
---------------------------------------------------------------------
9 | test99 | {"f1": 99, "f2": 1782, "f3": "test99"} | 1
(1 row)
-- the cte can be inlined because the unsupported -- the cte can be inlined because the unsupported
-- part of the query (subquery in WHERE clause) -- part of the query (subquery in WHERE clause)
-- doesn't access the cte -- doesn't access the cte
@ -304,9 +292,7 @@ FROM
WHERE WHERE
key = 1; key = 1;
DEBUG: CTE a is going to be inlined via distributed planning DEBUG: CTE a is going to be inlined via distributed planning
DEBUG: Creating router plan DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Plan is router executable
DETAIL: distribution column value: 1
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
10 10
@ -320,15 +306,7 @@ FROM
a a
WHERE WHERE
key = 1; key = 1;
DEBUG: CTE a is going to be inlined via distributed planning ERROR: syntax error at or near "NOT"
DEBUG: Creating router plan
DEBUG: Plan is router executable
DETAIL: distribution column value: 1
count
---------------------------------------------------------------------
10
(1 row)
-- using MATERIALIZED should cause inlining not to happen -- using MATERIALIZED should cause inlining not to happen
WITH a AS MATERIALIZED (SELECT * FROM test_table) WITH a AS MATERIALIZED (SELECT * FROM test_table)
SELECT SELECT
@ -337,17 +315,7 @@ FROM
a a
WHERE WHERE
key = 1; key = 1;
DEBUG: Router planner cannot handle multi-shard select queries ERROR: syntax error at or near "MATERIALIZED"
DEBUG: generating subplan XXX_1 for CTE a: SELECT key, value, other_value FROM cte_inline.test_table
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS count FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) a WHERE (key OPERATOR(pg_catalog.=) 1)
DEBUG: Creating router plan
DEBUG: Plan is router executable
count
---------------------------------------------------------------------
10
(1 row)
-- EXPLAIN should show the difference between materialized an not materialized -- EXPLAIN should show the difference between materialized an not materialized
EXPLAIN (COSTS OFF) WITH a AS (SELECT * FROM test_table) EXPLAIN (COSTS OFF) WITH a AS (SELECT * FROM test_table)
SELECT SELECT
@ -357,20 +325,19 @@ FROM
WHERE WHERE
key = 1; key = 1;
DEBUG: CTE a is going to be inlined via distributed planning DEBUG: CTE a is going to be inlined via distributed planning
DEBUG: Creating router plan DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Plan is router executable
DETAIL: distribution column value: 1
QUERY PLAN QUERY PLAN
--------------------------------------------------------------------- ---------------------------------------------------------------------
Custom Scan (Citus Adaptive) Aggregate
Task Count: 1 -> Custom Scan (Citus Adaptive)
Tasks Shown: All Task Count: 4
Tasks Shown: One of 4
-> Task -> Task
Node: host=localhost port=xxxxx dbname=regression Node: host=localhost port=xxxxx dbname=regression
-> Aggregate -> Aggregate
-> Seq Scan on test_table_1960000 test_table -> Seq Scan on test_table_1960000 test_table
Filter: (key = 1) Filter: (key = 1)
(8 rows) (9 rows)
EXPLAIN (COSTS OFF) WITH a AS MATERIALIZED (SELECT * FROM test_table) EXPLAIN (COSTS OFF) WITH a AS MATERIALIZED (SELECT * FROM test_table)
SELECT SELECT
@ -379,31 +346,7 @@ FROM
a a
WHERE WHERE
key = 1; key = 1;
DEBUG: Router planner cannot handle multi-shard select queries ERROR: syntax error at or near "MATERIALIZED"
DEBUG: generating subplan XXX_1 for CTE a: SELECT key, value, other_value FROM cte_inline.test_table
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS count FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) a WHERE (key OPERATOR(pg_catalog.=) 1)
DEBUG: Creating router plan
DEBUG: Plan is router executable
QUERY PLAN
---------------------------------------------------------------------
Custom Scan (Citus Adaptive)
-> Distributed Subplan XXX_1
-> Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Seq Scan on test_table_1960000 test_table
Task Count: 1
Tasks Shown: All
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Aggregate
-> Function Scan on read_intermediate_result intermediate_result
Filter: (key = 1)
(15 rows)
-- citus should not inline the CTE because it is used multiple times -- citus should not inline the CTE because it is used multiple times
WITH cte_1 AS (SELECT * FROM test_table) WITH cte_1 AS (SELECT * FROM test_table)
SELECT SELECT
@ -432,25 +375,7 @@ FROM
JOIN JOIN
cte_1 as second_entry cte_1 as second_entry
USING (key); USING (key);
DEBUG: CTE cte_1 is going to be inlined via distributed planning ERROR: syntax error at or near "NOT"
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: join prunable for intervals [-2147483648,-1073741825] and [-1073741824,-1]
DEBUG: join prunable for intervals [-2147483648,-1073741825] and [0,1073741823]
DEBUG: join prunable for intervals [-2147483648,-1073741825] and [1073741824,2147483647]
DEBUG: join prunable for intervals [-1073741824,-1] and [-2147483648,-1073741825]
DEBUG: join prunable for intervals [-1073741824,-1] and [0,1073741823]
DEBUG: join prunable for intervals [-1073741824,-1] and [1073741824,2147483647]
DEBUG: join prunable for intervals [0,1073741823] and [-2147483648,-1073741825]
DEBUG: join prunable for intervals [0,1073741823] and [-1073741824,-1]
DEBUG: join prunable for intervals [0,1073741823] and [1073741824,2147483647]
DEBUG: join prunable for intervals [1073741824,2147483647] and [-2147483648,-1073741825]
DEBUG: join prunable for intervals [1073741824,2147483647] and [-1073741824,-1]
DEBUG: join prunable for intervals [1073741824,2147483647] and [0,1073741823]
count
---------------------------------------------------------------------
1021
(1 row)
-- EXPLAIN should show the differences between MATERIALIZED and NOT MATERIALIZED -- EXPLAIN should show the differences between MATERIALIZED and NOT MATERIALIZED
EXPLAIN (COSTS OFF) WITH cte_1 AS (SELECT * FROM test_table) EXPLAIN (COSTS OFF) WITH cte_1 AS (SELECT * FROM test_table)
SELECT SELECT
@ -498,36 +423,7 @@ FROM
JOIN JOIN
cte_1 as second_entry cte_1 as second_entry
USING (key); USING (key);
DEBUG: CTE cte_1 is going to be inlined via distributed planning ERROR: syntax error at or near "NOT"
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: join prunable for intervals [-2147483648,-1073741825] and [-1073741824,-1]
DEBUG: join prunable for intervals [-2147483648,-1073741825] and [0,1073741823]
DEBUG: join prunable for intervals [-2147483648,-1073741825] and [1073741824,2147483647]
DEBUG: join prunable for intervals [-1073741824,-1] and [-2147483648,-1073741825]
DEBUG: join prunable for intervals [-1073741824,-1] and [0,1073741823]
DEBUG: join prunable for intervals [-1073741824,-1] and [1073741824,2147483647]
DEBUG: join prunable for intervals [0,1073741823] and [-2147483648,-1073741825]
DEBUG: join prunable for intervals [0,1073741823] and [-1073741824,-1]
DEBUG: join prunable for intervals [0,1073741823] and [1073741824,2147483647]
DEBUG: join prunable for intervals [1073741824,2147483647] and [-2147483648,-1073741825]
DEBUG: join prunable for intervals [1073741824,2147483647] and [-1073741824,-1]
DEBUG: join prunable for intervals [1073741824,2147483647] and [0,1073741823]
QUERY PLAN
---------------------------------------------------------------------
Aggregate
-> Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Aggregate
-> Hash Join
Hash Cond: (test_table.key = test_table_1.key)
-> Seq Scan on test_table_1960000 test_table
-> Hash
-> Seq Scan on test_table_1960000 test_table_1
(12 rows)
-- ctes with volatile functions are not -- ctes with volatile functions are not
-- inlined -- inlined
WITH cte_1 AS (SELECT *, random() FROM test_table) WITH cte_1 AS (SELECT *, random() FROM test_table)
@ -552,17 +448,7 @@ SELECT
count(*) count(*)
FROM FROM
cte_1; cte_1;
DEBUG: Router planner cannot handle multi-shard select queries ERROR: syntax error at or near "NOT"
DEBUG: generating subplan XXX_1 for CTE cte_1: SELECT key, value, other_value, random() AS random FROM cte_inline.test_table
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS count FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value, intermediate_result.random FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb, random double precision)) cte_1
DEBUG: Creating router plan
DEBUG: Plan is router executable
count
---------------------------------------------------------------------
101
(1 row)
-- cte_1 should be able to inlined even if -- cte_1 should be able to inlined even if
-- it is used one level below -- it is used one level below
WITH cte_1 AS (SELECT * FROM test_table) WITH cte_1 AS (SELECT * FROM test_table)
@ -618,11 +504,11 @@ SELECT count(*)
LEFT JOIN test_table u2 ON u2.key = bar.key) AS foo ON TRUE; LEFT JOIN test_table u2 ON u2.key = bar.key) AS foo ON TRUE;
DEBUG: CTE bar is going to be inlined via distributed planning DEBUG: CTE bar is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
count DEBUG: skipping recursive planning for the subquery since it contains references to outer queries
--------------------------------------------------------------------- DEBUG: skipping recursive planning for the subquery since it contains references to outer queries
10331 DEBUG: skipping recursive planning for the subquery since it contains references to outer queries
(1 row) DEBUG: Router planner cannot handle multi-shard select queries
ERROR: CTEs that refer to other subqueries are not supported in multi-shard queries
-- inlined CTE contains a reference to outer query -- inlined CTE contains a reference to outer query
-- should be fine (even if the recursive planning fails -- should be fine (even if the recursive planning fails
-- to recursively plan the query) -- to recursively plan the query)
@ -695,9 +581,7 @@ DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: Creating router plan DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Plan is router executable
DETAIL: distribution column value: 1
count | key count | key
--------------------------------------------------------------------- ---------------------------------------------------------------------
(0 rows) (0 rows)
@ -733,7 +617,8 @@ WITH cte_1 AS (SELECT * FROM test_table),
cte_2 AS (SELECT * FROM test_table ORDER BY 1 DESC LIMIT 3) cte_2 AS (SELECT * FROM test_table ORDER BY 1 DESC LIMIT 3)
(SELECT *, (SELECT 1) FROM cte_1 EXCEPT SELECT *, 1 FROM test_table) (SELECT *, (SELECT 1) FROM cte_1 EXCEPT SELECT *, 1 FROM test_table)
UNION UNION
(SELECT *, 1 FROM cte_2); (SELECT *, 1 FROM cte_2)
ORDER BY 1,2;
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: CTE cte_2 is going to be inlined via distributed planning DEBUG: CTE cte_2 is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
@ -751,13 +636,13 @@ DEBUG: Creating router plan
DEBUG: generating subplan XXX_3 for subquery SELECT key, value, other_value, (SELECT 1) FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte_1 DEBUG: generating subplan XXX_3 for subquery SELECT key, value, other_value, (SELECT 1) FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte_1
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: generating subplan XXX_4 for subquery SELECT key, value, other_value, 1 FROM cte_inline.test_table DEBUG: generating subplan XXX_4 for subquery SELECT key, value, other_value, 1 FROM cte_inline.test_table
DEBUG: Plan XXX query after replacing subqueries and CTEs: (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value, intermediate_result."?column?" FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb, "?column?" integer) EXCEPT SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value, intermediate_result."?column?" FROM read_intermediate_result('XXX_4'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb, "?column?" integer)) UNION SELECT cte_2.key, cte_2.value, cte_2.other_value, 1 FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte_2 DEBUG: Plan XXX query after replacing subqueries and CTEs: (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value, intermediate_result."?column?" FROM read_intermediate_result('XXX_3'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb, "?column?" integer) EXCEPT SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value, intermediate_result."?column?" FROM read_intermediate_result('XXX_4'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb, "?column?" integer)) UNION SELECT cte_2.key, cte_2.value, cte_2.other_value, 1 FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_2'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte_2 ORDER BY 1, 2
DEBUG: Creating router plan DEBUG: Creating router plan
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
9 | test19 | {"f1": 19, "f2": 342, "f3": "test19"} | 1
9 | test29 | {"f1": 29, "f2": 522, "f3": "test29"} | 1 9 | test29 | {"f1": 29, "f2": 522, "f3": "test29"} | 1
9 | test9 | {"f1": 9, "f2": 162, "f3": "test9"} | 1 9 | test9 | {"f1": 9, "f2": 162, "f3": "test9"} | 1
9 | test19 | {"f1": 19, "f2": 342, "f3": "test19"} | 1
(3 rows) (3 rows)
-- cte_1 is safe to inline, even if because after inlining -- cte_1 is safe to inline, even if because after inlining
@ -811,11 +696,17 @@ FROM
cte LEFT JOIN test_table USING (key); cte LEFT JOIN test_table USING (key);
DEBUG: CTE cte is going to be inlined via distributed planning DEBUG: CTE cte is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
count DEBUG: Router planner cannot handle multi-shard select queries
--------------------------------------------------------------------- DEBUG: generating subplan XXX_1 for subquery SELECT key, value, other_value FROM cte_inline.test_table
1021 DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS count FROM ((SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte LEFT JOIN cte_inline.test_table USING (key))
(1 row) DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: generating subplan XXX_1 for CTE cte: SELECT key, value, other_value FROM cte_inline.test_table
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS count FROM ((SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte LEFT JOIN cte_inline.test_table USING (key))
DEBUG: Router planner cannot handle multi-shard select queries
ERROR: cannot pushdown the subquery
DETAIL: Complex subqueries and CTEs cannot be in the outer part of the outer join
-- the CTEs are very simple, so postgres -- the CTEs are very simple, so postgres
-- can pull-up the subqueries after inlining -- can pull-up the subqueries after inlining
-- the CTEs, and the query that we send to workers -- the CTEs, and the query that we send to workers
@ -829,18 +720,10 @@ FROM
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: CTE cte_2 is going to be inlined via distributed planning DEBUG: CTE cte_2 is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: join prunable for intervals [-2147483648,-1073741825] and [-1073741824,-1] DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: join prunable for intervals [-2147483648,-1073741825] and [0,1073741823] DEBUG: generating subplan XXX_1 for subquery SELECT key FROM cte_inline.test_table
DEBUG: join prunable for intervals [-2147483648,-1073741825] and [1073741824,2147483647] DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS count FROM ((SELECT test_table.key FROM cte_inline.test_table) cte_1 JOIN (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) cte_2 USING (key))
DEBUG: join prunable for intervals [-1073741824,-1] and [-2147483648,-1073741825] DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: join prunable for intervals [-1073741824,-1] and [0,1073741823]
DEBUG: join prunable for intervals [-1073741824,-1] and [1073741824,2147483647]
DEBUG: join prunable for intervals [0,1073741823] and [-2147483648,-1073741825]
DEBUG: join prunable for intervals [0,1073741823] and [-1073741824,-1]
DEBUG: join prunable for intervals [0,1073741823] and [1073741824,2147483647]
DEBUG: join prunable for intervals [1073741824,2147483647] and [-2147483648,-1073741825]
DEBUG: join prunable for intervals [1073741824,2147483647] and [-1073741824,-1]
DEBUG: join prunable for intervals [1073741824,2147483647] and [0,1073741823]
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
1021 1021
@ -896,12 +779,7 @@ DEBUG: Creating router plan
-- we de still don't support it -- we de still don't support it
WITH cte_1 AS NOT MATERIALIZED (SELECT * FROM test_table) WITH cte_1 AS NOT MATERIALIZED (SELECT * FROM test_table)
DELETE FROM test_table WHERE key NOT IN (SELECT key FROM cte_1); DELETE FROM test_table WHERE key NOT IN (SELECT key FROM cte_1);
DEBUG: complex joins are only supported when all distributed tables are co-located and joined on their distribution columns ERROR: syntax error at or near "NOT"
DEBUG: generating subplan XXX_1 for CTE cte_1: SELECT key, value, other_value FROM cte_inline.test_table
DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: Plan XXX query after replacing subqueries and CTEs: DELETE FROM cte_inline.test_table WHERE (NOT (key OPERATOR(pg_catalog.=) ANY (SELECT cte_1.key FROM (SELECT intermediate_result.key, intermediate_result.value, intermediate_result.other_value FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer, value text, other_value jsonb)) cte_1)))
DEBUG: Creating router plan
DEBUG: Plan is router executable
-- we don't inline CTEs if they are modifying CTEs -- we don't inline CTEs if they are modifying CTEs
WITH cte_1 AS (DELETE FROM test_table WHERE key % 3 = 1 RETURNING key) WITH cte_1 AS (DELETE FROM test_table WHERE key % 3 = 1 RETURNING key)
SELECT * FROM cte_1 ORDER BY 1 DESC LIMIT 3; SELECT * FROM cte_1 ORDER BY 1 DESC LIMIT 3;
@ -920,18 +798,7 @@ DEBUG: Creating router plan
-- NOT MATERIALIZED should not affect modifying CTEs -- NOT MATERIALIZED should not affect modifying CTEs
WITH cte_1 AS NOT MATERIALIZED (DELETE FROM test_table WHERE key % 3 = 0 RETURNING key) WITH cte_1 AS NOT MATERIALIZED (DELETE FROM test_table WHERE key % 3 = 0 RETURNING key)
SELECT count(*) FROM cte_1; SELECT count(*) FROM cte_1;
DEBUG: data-modifying statements are not supported in the WITH clauses of distributed queries ERROR: syntax error at or near "NOT"
DEBUG: generating subplan XXX_1 for CTE cte_1: DELETE FROM cte_inline.test_table WHERE ((key OPERATOR(pg_catalog.%) 3) OPERATOR(pg_catalog.=) 0) RETURNING key
DEBUG: Creating router plan
DEBUG: Plan is router executable
DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS count FROM (SELECT intermediate_result.key FROM read_intermediate_result('XXX_1'::text, 'binary'::citus_copy_format) intermediate_result(key integer)) cte_1
DEBUG: Creating router plan
DEBUG: Plan is router executable
count
---------------------------------------------------------------------
164
(1 row)
-- cte with column aliases -- cte with column aliases
SELECT * FROM test_table, SELECT * FROM test_table,
(WITH cte_1 (x,y) AS (SELECT * FROM test_table), (WITH cte_1 (x,y) AS (SELECT * FROM test_table),
@ -949,11 +816,11 @@ DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: push down of limit count: 5 DEBUG: push down of limit count: 5
key | value | other_value | z | y | key | t | m | cte_2_key key | value | other_value | z | y | key | t | m | cte_2_key
--------------------------------------------------------------------- ---------------------------------------------------------------------
2 | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | 2 | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | 2 0 | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | 0 | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | 0
2 | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | 2 | test12 | | 2 0 | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | 0 | test0 | | 0
2 | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | 2 | test12 | | 2 0 | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | 0 | test0 | | 0
2 | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | 2 | test12 | | 2 0 | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | 0 | test0 | | 0
2 | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | test12 | {"f1": 12, "f2": 216, "f3": "test12"} | 2 | test15 | {"f1": 15, "f2": 270, "f3": "test15"} | 5 0 | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | test0 | {"f1": 0, "f2": 0, "f3": "test0"} | 0 | test10 | {"f1": 10, "f2": 180, "f3": "test10"} | 0
(5 rows) (5 rows)
-- cte used in HAVING subquery just works fine -- cte used in HAVING subquery just works fine
@ -977,10 +844,12 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT key, count(*)
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
key | count key | count
--------------------------------------------------------------------- ---------------------------------------------------------------------
0 | 44
9 | 40
8 | 40 8 | 40
6 | 40
5 | 40 5 | 40
2 | 40 (5 rows)
(3 rows)
-- cte used in ORDER BY just works fine -- cte used in ORDER BY just works fine
-- even if it is inlined -- even if it is inlined
@ -1001,9 +870,9 @@ DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: push down of limit count: 3 DEBUG: push down of limit count: 3
key key
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 9
8 9
8 9
(3 rows) (3 rows)
PREPARE inlined_cte_without_params AS PREPARE inlined_cte_without_params AS
@ -1036,7 +905,7 @@ DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: push down of limit count: 3 DEBUG: push down of limit count: 3
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 44
40 40
40 40
(3 rows) (3 rows)
@ -1044,7 +913,7 @@ DEBUG: push down of limit count: 3
EXECUTE inlined_cte_without_params; EXECUTE inlined_cte_without_params;
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 44
40 40
40 40
(3 rows) (3 rows)
@ -1052,7 +921,7 @@ EXECUTE inlined_cte_without_params;
EXECUTE inlined_cte_without_params; EXECUTE inlined_cte_without_params;
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 44
40 40
40 40
(3 rows) (3 rows)
@ -1060,7 +929,7 @@ EXECUTE inlined_cte_without_params;
EXECUTE inlined_cte_without_params; EXECUTE inlined_cte_without_params;
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 44
40 40
40 40
(3 rows) (3 rows)
@ -1068,7 +937,7 @@ EXECUTE inlined_cte_without_params;
EXECUTE inlined_cte_without_params; EXECUTE inlined_cte_without_params;
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 44
40 40
40 40
(3 rows) (3 rows)
@ -1076,7 +945,7 @@ EXECUTE inlined_cte_without_params;
EXECUTE inlined_cte_without_params; EXECUTE inlined_cte_without_params;
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 44
40 40
40 40
(3 rows) (3 rows)
@ -1091,49 +960,49 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT key, value, o
DEBUG: Creating router plan DEBUG: Creating router plan
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE non_inlined_cte_without_params; EXECUTE non_inlined_cte_without_params;
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE non_inlined_cte_without_params; EXECUTE non_inlined_cte_without_params;
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE non_inlined_cte_without_params; EXECUTE non_inlined_cte_without_params;
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE non_inlined_cte_without_params; EXECUTE non_inlined_cte_without_params;
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE non_inlined_cte_without_params; EXECUTE non_inlined_cte_without_params;
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE inlined_cte_has_parameter_on_non_dist_key('test1'); EXECUTE inlined_cte_has_parameter_on_non_dist_key('test1');
@ -1159,7 +1028,8 @@ DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: push down of limit count: 3 DEBUG: push down of limit count: 3
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
(0 rows) 4
(1 row)
EXECUTE inlined_cte_has_parameter_on_non_dist_key('test4'); EXECUTE inlined_cte_has_parameter_on_non_dist_key('test4');
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
@ -1186,7 +1056,8 @@ DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: push down of limit count: 3 DEBUG: push down of limit count: 3
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
(0 rows) 4
(1 row)
EXECUTE inlined_cte_has_parameter_on_dist_key(1); EXECUTE inlined_cte_has_parameter_on_dist_key(1);
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
@ -1207,7 +1078,8 @@ DEBUG: push down of limit count: 3
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 40
40 40
(2 rows) 40
(3 rows)
EXECUTE inlined_cte_has_parameter_on_dist_key(3); EXECUTE inlined_cte_has_parameter_on_dist_key(3);
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
@ -1217,7 +1089,8 @@ DEBUG: push down of limit count: 3
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 40
40 40
(2 rows) 40
(3 rows)
EXECUTE inlined_cte_has_parameter_on_dist_key(4); EXECUTE inlined_cte_has_parameter_on_dist_key(4);
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
@ -1227,7 +1100,8 @@ DEBUG: push down of limit count: 3
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 40
40 40
(2 rows) 40
(3 rows)
EXECUTE inlined_cte_has_parameter_on_dist_key(5); EXECUTE inlined_cte_has_parameter_on_dist_key(5);
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
@ -1236,7 +1110,9 @@ DEBUG: push down of limit count: 3
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 40
(1 row) 40
40
(3 rows)
EXECUTE inlined_cte_has_parameter_on_dist_key(6); EXECUTE inlined_cte_has_parameter_on_dist_key(6);
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
@ -1247,7 +1123,8 @@ DEBUG: push down of limit count: 3
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
40 40
(1 row) 40
(2 rows)
EXECUTE non_inlined_cte_has_parameter_on_dist_key(1); EXECUTE non_inlined_cte_has_parameter_on_dist_key(1);
DEBUG: CTE cte_1 is going to be inlined via distributed planning DEBUG: CTE cte_1 is going to be inlined via distributed planning
@ -1259,9 +1136,9 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT key, value, o
DEBUG: Creating router plan DEBUG: Creating router plan
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE non_inlined_cte_has_parameter_on_dist_key(2); EXECUTE non_inlined_cte_has_parameter_on_dist_key(2);
@ -1274,9 +1151,9 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT key, value, o
DEBUG: Creating router plan DEBUG: Creating router plan
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE non_inlined_cte_has_parameter_on_dist_key(3); EXECUTE non_inlined_cte_has_parameter_on_dist_key(3);
@ -1289,9 +1166,9 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT key, value, o
DEBUG: Creating router plan DEBUG: Creating router plan
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE non_inlined_cte_has_parameter_on_dist_key(4); EXECUTE non_inlined_cte_has_parameter_on_dist_key(4);
@ -1304,9 +1181,9 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT key, value, o
DEBUG: Creating router plan DEBUG: Creating router plan
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE non_inlined_cte_has_parameter_on_dist_key(5); EXECUTE non_inlined_cte_has_parameter_on_dist_key(5);
@ -1319,9 +1196,9 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT key, value, o
DEBUG: Creating router plan DEBUG: Creating router plan
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE non_inlined_cte_has_parameter_on_dist_key(6); EXECUTE non_inlined_cte_has_parameter_on_dist_key(6);
@ -1336,9 +1213,9 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT key, value, o
DEBUG: Creating router plan DEBUG: Creating router plan
key | value | other_value | ?column? key | value | other_value | ?column?
--------------------------------------------------------------------- ---------------------------------------------------------------------
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
8 | test98 | | 1 9 | test99 | | 1
(3 rows) (3 rows)
EXECUTE retry_planning(1); EXECUTE retry_planning(1);
@ -1346,7 +1223,7 @@ DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
json_object_agg json_object_agg
--------------------------------------------------------------------- ---------------------------------------------------------------------
{ "2" : "test12", "2" : "test2", "2" : "test22", "2" : "test32", "2" : "test42", "2" : "test52", "2" : "test62", "2" : "test72", "2" : "test82", "2" : "test92", "5" : "test15", "5" : "test25", "5" : "test35", "5" : "test45", "5" : "test5", "5" : "test55", "5" : "test65", "5" : "test75", "5" : "test85", "5" : "test95", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98" } { "2" : "test12", "2" : "test2", "2" : "test22", "2" : "test32", "2" : "test42", "2" : "test52", "2" : "test62", "2" : "test72", "2" : "test82", "2" : "test92", "3" : "test13", "3" : "test23", "3" : "test3", "3" : "test33", "3" : "test43", "3" : "test53", "3" : "test63", "3" : "test73", "3" : "test83", "3" : "test93", "5" : "test15", "5" : "test25", "5" : "test35", "5" : "test45", "5" : "test5", "5" : "test55", "5" : "test65", "5" : "test75", "5" : "test85", "5" : "test95", "6" : "test16", "6" : "test26", "6" : "test36", "6" : "test46", "6" : "test56", "6" : "test6", "6" : "test66", "6" : "test76", "6" : "test86", "6" : "test96", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98", "9" : "test19", "9" : "test29", "9" : "test39", "9" : "test49", "9" : "test59", "9" : "test69", "9" : "test79", "9" : "test89", "9" : "test9", "9" : "test99" }
(1 row) (1 row)
EXECUTE retry_planning(2); EXECUTE retry_planning(2);
@ -1354,7 +1231,7 @@ DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
json_object_agg json_object_agg
--------------------------------------------------------------------- ---------------------------------------------------------------------
{ "5" : "test15", "5" : "test25", "5" : "test35", "5" : "test45", "5" : "test5", "5" : "test55", "5" : "test65", "5" : "test75", "5" : "test85", "5" : "test95", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98" } { "3" : "test13", "3" : "test23", "3" : "test3", "3" : "test33", "3" : "test43", "3" : "test53", "3" : "test63", "3" : "test73", "3" : "test83", "3" : "test93", "5" : "test15", "5" : "test25", "5" : "test35", "5" : "test45", "5" : "test5", "5" : "test55", "5" : "test65", "5" : "test75", "5" : "test85", "5" : "test95", "6" : "test16", "6" : "test26", "6" : "test36", "6" : "test46", "6" : "test56", "6" : "test6", "6" : "test66", "6" : "test76", "6" : "test86", "6" : "test96", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98", "9" : "test19", "9" : "test29", "9" : "test39", "9" : "test49", "9" : "test59", "9" : "test69", "9" : "test79", "9" : "test89", "9" : "test9", "9" : "test99" }
(1 row) (1 row)
EXECUTE retry_planning(3); EXECUTE retry_planning(3);
@ -1362,7 +1239,7 @@ DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
json_object_agg json_object_agg
--------------------------------------------------------------------- ---------------------------------------------------------------------
{ "5" : "test15", "5" : "test25", "5" : "test35", "5" : "test45", "5" : "test5", "5" : "test55", "5" : "test65", "5" : "test75", "5" : "test85", "5" : "test95", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98" } { "5" : "test15", "5" : "test25", "5" : "test35", "5" : "test45", "5" : "test5", "5" : "test55", "5" : "test65", "5" : "test75", "5" : "test85", "5" : "test95", "6" : "test16", "6" : "test26", "6" : "test36", "6" : "test46", "6" : "test56", "6" : "test6", "6" : "test66", "6" : "test76", "6" : "test86", "6" : "test96", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98", "9" : "test19", "9" : "test29", "9" : "test39", "9" : "test49", "9" : "test59", "9" : "test69", "9" : "test79", "9" : "test89", "9" : "test9", "9" : "test99" }
(1 row) (1 row)
EXECUTE retry_planning(4); EXECUTE retry_planning(4);
@ -1370,7 +1247,7 @@ DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
json_object_agg json_object_agg
--------------------------------------------------------------------- ---------------------------------------------------------------------
{ "5" : "test15", "5" : "test25", "5" : "test35", "5" : "test45", "5" : "test5", "5" : "test55", "5" : "test65", "5" : "test75", "5" : "test85", "5" : "test95", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98" } { "5" : "test15", "5" : "test25", "5" : "test35", "5" : "test45", "5" : "test5", "5" : "test55", "5" : "test65", "5" : "test75", "5" : "test85", "5" : "test95", "6" : "test16", "6" : "test26", "6" : "test36", "6" : "test46", "6" : "test56", "6" : "test6", "6" : "test66", "6" : "test76", "6" : "test86", "6" : "test96", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98", "9" : "test19", "9" : "test29", "9" : "test39", "9" : "test49", "9" : "test59", "9" : "test69", "9" : "test79", "9" : "test89", "9" : "test9", "9" : "test99" }
(1 row) (1 row)
EXECUTE retry_planning(5); EXECUTE retry_planning(5);
@ -1378,7 +1255,7 @@ DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
json_object_agg json_object_agg
--------------------------------------------------------------------- ---------------------------------------------------------------------
{ "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98" } { "6" : "test16", "6" : "test26", "6" : "test36", "6" : "test46", "6" : "test56", "6" : "test6", "6" : "test66", "6" : "test76", "6" : "test86", "6" : "test96", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98", "9" : "test19", "9" : "test29", "9" : "test39", "9" : "test49", "9" : "test59", "9" : "test69", "9" : "test79", "9" : "test89", "9" : "test9", "9" : "test99" }
(1 row) (1 row)
EXECUTE retry_planning(6); EXECUTE retry_planning(6);
@ -1388,7 +1265,7 @@ DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
json_object_agg json_object_agg
--------------------------------------------------------------------- ---------------------------------------------------------------------
{ "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98" } { "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98", "9" : "test19", "9" : "test29", "9" : "test39", "9" : "test49", "9" : "test59", "9" : "test69", "9" : "test79", "9" : "test89", "9" : "test9", "9" : "test99" }
(1 row) (1 row)
-- this test can only work if the CTE is recursively -- this test can only work if the CTE is recursively
@ -1410,7 +1287,7 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS c
DEBUG: Creating router plan DEBUG: Creating router plan
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
4800 11536
(1 row) (1 row)
-- this becomes a non-colocated subquery join -- this becomes a non-colocated subquery join
@ -1428,7 +1305,7 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT count(*) AS c
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
count count
--------------------------------------------------------------------- ---------------------------------------------------------------------
480 1136
(1 row) (1 row)
-- cte a has to be recursively planned because of OFFSET 0 -- cte a has to be recursively planned because of OFFSET 0
@ -1452,7 +1329,7 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT min(a.key) AS
DEBUG: Creating router plan DEBUG: Creating router plan
min min
--------------------------------------------------------------------- ---------------------------------------------------------------------
2 0
(1 row) (1 row)
-- after both CTEs are inlined, this becomes non-colocated subquery join -- after both CTEs are inlined, this becomes non-colocated subquery join
@ -1469,9 +1346,9 @@ DEBUG: Router planner cannot handle multi-shard select queries
DEBUG: push down of limit count: 3 DEBUG: push down of limit count: 3
key | value | other_value | key | value | other_value key | value | other_value | key | value | other_value
--------------------------------------------------------------------- ---------------------------------------------------------------------
2 | test2 | {"f1": 2, "f2": 36, "f3": "test2"} | 2 | test12 | 0 | test10 | {"f1": 10, "f2": 180, "f3": "test10"} | 0 | test0 |
2 | test2 | {"f1": 2, "f2": 36, "f3": "test2"} | 2 | test12 | 0 | test10 | {"f1": 10, "f2": 180, "f3": "test10"} | 0 | test0 |
2 | test2 | {"f1": 2, "f2": 36, "f3": "test2"} | 2 | test12 | 0 | test10 | {"f1": 10, "f2": 180, "f3": "test10"} | 0 | test0 |
(3 rows) (3 rows)
-- full join is only supported when both sides are -- full join is only supported when both sides are
@ -1495,9 +1372,9 @@ DEBUG: Plan XXX query after replacing subqueries and CTEs: SELECT value FROM ((
DEBUG: Creating router plan DEBUG: Creating router plan
value value
--------------------------------------------------------------------- ---------------------------------------------------------------------
test98 test99
test98 test99
test98 test99
(3 rows) (3 rows)
-- an unsupported agg. for multi-shard queries -- an unsupported agg. for multi-shard queries
@ -1508,7 +1385,7 @@ DEBUG: CTE cte_1 is going to be inlined via distributed planning
DEBUG: Router planner cannot handle multi-shard select queries DEBUG: Router planner cannot handle multi-shard select queries
json_object_agg json_object_agg
--------------------------------------------------------------------- ---------------------------------------------------------------------
{ "2" : "test12", "2" : "test2", "2" : "test22", "2" : "test32", "2" : "test42", "2" : "test52", "2" : "test62", "2" : "test72", "2" : "test82", "2" : "test92", "5" : "test15", "5" : "test25", "5" : "test35", "5" : "test45", "5" : "test5", "5" : "test55", "5" : "test65", "5" : "test75", "5" : "test85", "5" : "test95", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98" } { "2" : "test12", "2" : "test2", "2" : "test22", "2" : "test32", "2" : "test42", "2" : "test52", "2" : "test62", "2" : "test72", "2" : "test82", "2" : "test92", "3" : "test13", "3" : "test23", "3" : "test3", "3" : "test33", "3" : "test43", "3" : "test53", "3" : "test63", "3" : "test73", "3" : "test83", "3" : "test93", "5" : "test15", "5" : "test25", "5" : "test35", "5" : "test45", "5" : "test5", "5" : "test55", "5" : "test65", "5" : "test75", "5" : "test85", "5" : "test95", "6" : "test16", "6" : "test26", "6" : "test36", "6" : "test46", "6" : "test56", "6" : "test6", "6" : "test66", "6" : "test76", "6" : "test86", "6" : "test96", "8" : "test18", "8" : "test28", "8" : "test38", "8" : "test48", "8" : "test58", "8" : "test68", "8" : "test78", "8" : "test8", "8" : "test88", "8" : "test98", "9" : "test19", "9" : "test29", "9" : "test39", "9" : "test49", "9" : "test59", "9" : "test69", "9" : "test79", "9" : "test89", "9" : "test9", "9" : "test99" }
(1 row) (1 row)
-- both cte_1 and cte_2 are going to be inlined. -- both cte_1 and cte_2 are going to be inlined.

1443
src/test/regress/expected/cte_inline_1.out
View File

File diff suppressed because it is too large Load Diff

5
src/test/regress/sql/cte_inline.sql
View File

@ -9,7 +9,7 @@ INSERT INTO test_table SELECT i % 10, 'test' || i, row_to_json(row(i, i*18, 'tes
-- server version because CTE inlining might produce -- server version because CTE inlining might produce
-- different debug messages in PG 11 vs PG 12 -- different debug messages in PG 11 vs PG 12
SHOW server_version \gset SHOW server_version \gset
SELECT substring(:'server_version', '\d+')::int; SELECT substring(:'server_version', '\d+')::int >= 12;
SET client_min_messages TO DEBUG; SET client_min_messages TO DEBUG;
@ -363,7 +363,8 @@ WITH cte_1 AS (SELECT * FROM test_table),
cte_2 AS (SELECT * FROM test_table ORDER BY 1 DESC LIMIT 3) cte_2 AS (SELECT * FROM test_table ORDER BY 1 DESC LIMIT 3)
(SELECT *, (SELECT 1) FROM cte_1 EXCEPT SELECT *, 1 FROM test_table) (SELECT *, (SELECT 1) FROM cte_1 EXCEPT SELECT *, 1 FROM test_table)
UNION UNION
(SELECT *, 1 FROM cte_2); (SELECT *, 1 FROM cte_2)
ORDER BY 1,2;
-- cte_1 is safe to inline, even if because after inlining -- cte_1 is safe to inline, even if because after inlining