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Show LEFT and RIGHT JOIN processing in the EXPLAIN QUERY PLAN output.

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FossilOrigin-Name: d91faeffea5cf0585fb71e5311fdcc6b8be85c7e9c732050b4448e617c970101
This commit is contained in:
drh
2022-04-11 14:26:37 +00:00
parent 37259f4e6b
commit c583719b65
12 changed files with 45 additions and 40 deletions
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16
test/join2.test
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@ -114,7 +114,7 @@ do_eqp_test 3.1 {
} {
QUERY PLAN
|--SCAN t1
`--SEARCH t2 USING INTEGER PRIMARY KEY (rowid=?)
`--SEARCH t2 USING INTEGER PRIMARY KEY (rowid=?) LEFT-JOIN
}
do_eqp_test 3.2 {
@ -122,7 +122,7 @@ do_eqp_test 3.2 {
} {
QUERY PLAN
|--SCAN t1
`--SEARCH t2 USING INTEGER PRIMARY KEY (rowid=?)
`--SEARCH t2 USING INTEGER PRIMARY KEY (rowid=?) LEFT-JOIN
}
#-------------------------------------------------------------------------
@ -162,15 +162,15 @@ do_eqp_test 4.1.5 {
} {
QUERY PLAN
|--SCAN c1
|--SEARCH c2 USING INTEGER PRIMARY KEY (rowid=?)
`--SEARCH c3 USING INTEGER PRIMARY KEY (rowid=?)
|--SEARCH c2 USING INTEGER PRIMARY KEY (rowid=?) LEFT-JOIN
`--SEARCH c3 USING INTEGER PRIMARY KEY (rowid=?) LEFT-JOIN
}
do_eqp_test 4.1.6 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 ON (c2.k=v1) LEFT JOIN c3 ON (c3.k=v1+1);
} {
QUERY PLAN
|--SCAN c1
`--SEARCH c3 USING INTEGER PRIMARY KEY (rowid=?)
`--SEARCH c3 USING INTEGER PRIMARY KEY (rowid=?) LEFT-JOIN
}
do_execsql_test 4.2.0 {
@ -209,15 +209,15 @@ do_eqp_test 4.2.5 {
} {
QUERY PLAN
|--SCAN c1
|--SEARCH c2 USING INDEX sqlite_autoindex_c2_1 (k=?)
`--SEARCH c3 USING INDEX sqlite_autoindex_c3_1 (k=?)
|--SEARCH c2 USING INDEX sqlite_autoindex_c2_1 (k=?) LEFT-JOIN
`--SEARCH c3 USING INDEX sqlite_autoindex_c3_1 (k=?) LEFT-JOIN
}
do_eqp_test 4.2.6 {
SELECT v1, v3 FROM c1 LEFT JOIN c2 ON (c2.k=v1) LEFT JOIN c3 ON (c3.k=v1+1);
} {
QUERY PLAN
|--SCAN c1
`--SEARCH c3 USING INDEX sqlite_autoindex_c3_1 (k=?)
`--SEARCH c3 USING INDEX sqlite_autoindex_c3_1 (k=?) LEFT-JOIN
}
# 2017-11-23 (Thanksgiving day)