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149486: opt: enable optimizer_prefer_bounded_cardinality by default r=mgartner a=mgartner
Fixes#64570
Release note (sql change): The session setting
`optimizer_prefer_bounded_cardinality` is now enabled by default.
149498: go.mod, storage: bump pebble + enable multilevel compactions by default with a cluster setting r=xinhaoz a=xinhaoz
### 1: go.mod: bump Pebble to 20e2cbcd70de
Changes:
* [`20e2cbcd`](cockroachdb/pebble@20e2cbcd) db: support overriding value separation minimum-size by key span
* [`50d7fd77`](cockroachdb/pebble@50d7fd77) pebble: add additional constraints to running multiLevel compactions
* [`f810bcdf`](cockroachdb/pebble@f810bcdf) pebble: make MultiLevelCompactionHeuristic a function option
Release note: none.
Epic: none.
### 2: storage: enable multilevel compactions by default with a cluster setting
Reenable multilevel compactions, with more constraints. ML compactions will run
according to a write amp heuristic, along with the following rules:
- At most 1 ML compaction is running at any time.
- The db must have >= 2 maximum compaction slots.
Closes: cockroachdb/pebble#4139
149659: asim: some more improvements r=tbg a=tbg
- **state: add TestReplicaPlacement**
- **state: rename ParseStoreWeights -> ParseReplicaPlacement**
- **state: improve ReplicaPlacement parsing and stringer**
- **testdata: rm example_replica_placement**
Epic: CRDB-25222
Release note: none
Co-authored-by: Marcus Gartner <[email protected]>
Co-authored-by: Xin Hao Zhang <[email protected]>
Co-authored-by: Tobias Grieger <[email protected]>
# A scalar subquery with no home region should fail.
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retry
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statement error pq: Query has no home region\. Try adding a filter on rbr\.crdb_region and/or on key column \(rbr\.account_id\)\. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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+
statement error pq: Query has no home region. Try adding a LIMIT clause. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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SELECT * FROM (SELECT (SELECT max(account_id) FROM messages_rbr rbr), 'Hello, Dude!') vtab(account_id, message)
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INNER LOOKUP JOIN messages_rbt rbt on vtab.account_id = rbt.account_id
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@@ -416,7 +416,7 @@ CREATE OR REPLACE FUNCTION rbr() RETURNS INT AS 'SELECT max(account_id) FROM mes
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# A UDF with no home region should fail.
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retry
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statement error pq: Query has no home region\. Try adding a filter on messages_rbr\.crdb_region and/or on key column \(multi_region_test_db\.public\.messages_rbr\.account_id\)\. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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statement error pq: Query has no home region. Try adding a LIMIT clause. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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SELECT rbr()
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# An EXISTS subquery with no home region should fail.
@@ -440,22 +440,22 @@ SELECT * FROM messages_rbr rbr, LATERAL
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# An array scalar expression with no home region should fail.
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retry
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statement error pq: Query has no home region\. Try adding a filter on messages_rbr\.crdb_region and/or on key column \(multi_region_test_db\.public\.messages_rbr\.account_id\)\. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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statement error pq: Query has no home region. Try adding a LIMIT clause. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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SELECT ARRAY[rbr(),rbr()]
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# An ALL subquery with no home region should fail.
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retry
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statement error pq: Query has no home region\. Try adding a filter on messages_rbr\.crdb_region and/or on key column \(messages_rbr\.account_id\)\. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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+
statement error pq: Query has no home region. Try adding a LIMIT clause. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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SELECT 1 WHERE 1 > ALL (SELECT max(account_id) FROM messages_rbr)
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# An ANY subquery with no home region should fail.
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retry
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statement error pq: Query has no home region\. Try adding a filter on messages_rbr\.crdb_region and/or on key column \(messages_rbr\.account_id\)\. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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statement error pq: Query has no home region. Try adding a LIMIT clause. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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SELECT 1 WHERE 1 > ANY (SELECT max(account_id) FROM messages_rbr)
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# A SOME subquery with no home region should fail.
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retry
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statement error pq: Query has no home region\. Try adding a filter on messages_rbr\.crdb_region and/or on key column \(messages_rbr\.account_id\)\. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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statement error pq: Query has no home region. Try adding a LIMIT clause. For more information, see https://www.cockroachlabs.com/docs/stable/cost-based-optimizer.html#control-whether-queries-are-limited-to-a-single-region
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SELECT 1 WHERE 1 > ANY (SELECT max(account_id) FROM messages_rbr)
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