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Improvements to EXPLAIN QUERY PLAN output for multi-row VALUES claues.

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FossilOrigin-Name: ac6f095e13e43d66c06552c8b01f6bec3407c9d41a34c4cdb0be57b0b828ad0d
This commit is contained in:
drh
2024-03-18 12:49:30 +00:00
parent 75924d3ae2
commit 27a5ee855d
7 changed files with 76 additions and 14 deletions
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52
test/values.test
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@ -435,6 +435,56 @@ do_execsql_test 14.2 {
(16, 'urtlek' IN(1,2,3));
}
#--------------------------------------------------------------------------
#
reset_db
do_eqp_test 15.1 {
VALUES(1),(2),(3),(4),(5);
} {
QUERY PLAN
`--SCAN 5-ROW VALUES CLAUSE
}
do_execsql_test 15.2 {
CREATE TABLE t1(a,b);
}
do_eqp_test 15.3 {
INSERT INTO t1 VALUES
(1,2),(3,4),(7,8);
} {
QUERY PLAN
`--SCAN 3-ROW VALUES CLAUSE
}
do_eqp_test 15.4 {
INSERT INTO t1 VALUES
(1,2),(3,4),(7,8),
(5,coalesce(6,random()));
} {
QUERY PLAN
`--COMPOUND QUERY
|--LEFT-MOST SUBQUERY
| `--SCAN 3-ROW VALUES CLAUSE
`--UNION ALL
`--SCAN CONSTANT ROW
}
do_eqp_test 15.5 {
SELECT * FROM (VALUES(1),(2),(3),(4),(5),(6)), (VALUES('a'),('b'),('c'));
} {
QUERY PLAN
|--SCAN 6-ROW VALUES CLAUSE
`--SCAN 3-ROW VALUES CLAUSE
}
do_execsql_test 15.6 {
CREATE TABLE t2(x,y);
}
do_eqp_test 15.7 {
SELECT * FROM t2 UNION ALL VALUES(1,2),(3,4),(5,6),(7,8);
} {
QUERY PLAN
`--COMPOUND QUERY
|--LEFT-MOST SUBQUERY
| `--SCAN t2
`--UNION ALL
`--SCAN 4-ROW VALUES CLAUSE
}
finish_test