drh
b411c4d69e
Check-in [a9657c87c53c1922] is wrong: the IndexedExpr.bMaybeNullRow flag is
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required for virtual columns if they are part of an outer join. Add a
test case (derived from dbsqlfuzz b9e65e2f110df998f1306571fae7af6c01e4d92b)
to prove it.
FossilOrigin-Name: 4484ec6d26b31305e31de89bdbae26344d8083a7e7de20861430d31737d9979c
2024-04-05 13:56:05 +00:00
dan
a10c2a9055
Return the error "ambiguous column name: rowid", instead of "no such column: rowid", when a "rowid" reference is ambiguous.
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FossilOrigin-Name: 021f34fcfed41b607be8169bbda59aef93f130108d944f4741b46e8e345b2bbb
2024-03-19 14:55:49 +00:00
dan
fb28a93f75
Fix another problem with mixed join types and the RIGHT JOIN strength-reduction optimization. [forum:/forumpost/befdab472d | Forum post befdab472d].
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FossilOrigin-Name: f1eae192315335d7e385b0a801a17700a9718d245bda6628518c5df9a1e9d3d6
2023-11-10 20:55:20 +00:00
dan
0eed27d38b
Fix an obscure problem with the join-strength-reduction optimization that could occur when mixing LEFT and RIGHT joins in the same query. [forum:/forumpost/7f74ce0bee|Forum post 7f74ce0bee].
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FossilOrigin-Name: 530d10e93a5f63b71aaa94a2b89102d012a2cda815997066beb0f585fe823536
2023-11-10 15:03:18 +00:00
drh
d5e040b6f0
Add string_agg(X,Y) as an alias for group_concat(X,Y), for compatibility
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with SQLServer and PG.
FossilOrigin-Name: b91c19bf2680f60d7826ab5d9e7902e2dc2a55d847bbea565a6489d47f2cc8f1
2023-10-20 20:19:30 +00:00
dan
2e8edc1d45
Further tests and assert() statements for the change on this branch.
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FossilOrigin-Name: 1c202d540ac362bfc747a9f8472e83c9d7614e38467f8b48787a669fb34664ba
2023-09-16 14:42:18 +00:00
dan
63702bccaa
Fix resolution of unqualified "rowid" identifiers in queries with nested joins.
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FossilOrigin-Name: bbcbd3d537d6790373d97f59386b8ce7fa2177db572af0f1babe058a76e25cc3
2023-09-15 20:57:05 +00:00
dan
81b70d97eb
Allow expressions like "<tbl>.rowid" to refer to implicit rowid columns of tables in nested FROM clauses.
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FossilOrigin-Name: 59a1bbc69f5dbb33418fa4b383393fb13a46bc1e531577da8ad54ae2fad5a10e
2023-09-15 18:36:51 +00:00
drh
4ffcce88ad
Fix the OUTER JOIN strength reduction theorem prover's handling of the CASE
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operator.
FossilOrigin-Name: 73d7b14b1713d93c4ae07995e9aa6485cbad90bd6125584dbaeccb0cc9410ea3
2023-06-02 00:03:28 +00:00
dan
0941ea8a62
Avoid assuming that an expression in an ON() clause that evaluates to zero implies that the query will return zero rows when the query contains a RIGHT JOIN. [forum:95849acbe1|Forum Post 95849acbe1].
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FossilOrigin-Name: 1783655ea422185e75593b89e4ef452a6f5496aefd389f88ce7fe4b7d41d6a98
2023-04-25 14:37:12 +00:00
dan
7e089d0c40
Add test case for previous commit.
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FossilOrigin-Name: 535867a9c8719358380f89fd80473c484def9bb72744dd2fd28ada65999ee901
2022-10-20 16:22:39 +00:00
dan
a5ec23a705
In sqlite3WhereBegin, do not proceed with coding the loop if an error is detected as part of WHERE expression analysis.
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FossilOrigin-Name: db5266dec601a9513bc8dd09a9f8bb4aef55b780d22610946099e8edd4836587
2022-06-24 11:05:36 +00:00
dan
2a7aff93ed
Avoid omitting the rhs of FULL JOINs in cases where it is only correct to omit the rhs of a LEFT JOIN.
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FossilOrigin-Name: f23a429d4153518d37387e121f22a30b22e2b31e126ad168e72049a96be86269
2022-06-17 11:39:24 +00:00
