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test merging a changed unique index with and without violations

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elianddb
2026-03-30 19:52:13 +00:00
parent daad0be53c
commit 439e53e15c
1 changed files with 92 additions and 0 deletions
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92
go/libraries/doltcore/sqle/enginetest/dolt_queries_schema_merge.go
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@@ -1428,6 +1428,98 @@ var SchemaChangeTestsConstraints = []MergeScriptTest{
},
},
},
{
// https://github.com/dolthub/dolt/issues/10753.
Name: "adding a column to a unique index where merged rows violate the new index",
AncSetUpScript: []string{
"set autocommit = 0;",
"CREATE TABLE t (pk INT PRIMARY KEY, a INT, b TINYINT, UNIQUE KEY uq (a));",
"INSERT INTO t VALUES (1, 10, 1);",
},
RightSetUpScript: []string{
"ALTER TABLE t DROP INDEX uq;",
"ALTER TABLE t ADD UNIQUE KEY uq (a, b);",
"INSERT INTO t VALUES (2, 20, 2);",
},
LeftSetUpScript: []string{
"INSERT INTO t VALUES (3, 20, 2);",
},
Assertions: []queries.ScriptTestAssertion{
{
Query: "call dolt_merge('right');",
Expected: []sql.Row{{"", 0, 1, "conflicts found"}},
},
{
Query: "select * from dolt_conflicts;",
Expected: []sql.Row{},
},
{
Query: "select * from dolt_constraint_violations;",
Expected: []sql.Row{{"t", uint(2)}},
},
{
Query: "select violation_type, pk, a, b, violation_info from dolt_constraint_violations_t order by pk;",
Expected: []sql.Row{
{"unique index", 2, 20, int8(2), merge.UniqCVMeta{Columns: []string{"a", "b"}, Name: "uq"}},
{"unique index", 3, 20, int8(2), merge.UniqCVMeta{Columns: []string{"a", "b"}, Name: "uq"}},
},
},
{
Query: "select * from dolt_status;",
Expected: []sql.Row{{"t", byte(0), "constraint violation"}},
},
{
Query: "UPDATE t SET a = 30 WHERE pk = 3;",
Expected: []sql.Row{{types.OkResult{RowsAffected: 1, Info: plan.UpdateInfo{Matched: 1, Updated: 1}}}},
},
{
Query: "DELETE FROM dolt_constraint_violations_t;",
Expected: []sql.Row{{types.NewOkResult(2)}},
},
{
Query: "call dolt_commit('-am', 'merge right, resolve unique index violation');",
Expected: []sql.Row{{doltCommit}},
},
{
Query: "SELECT * FROM t ORDER BY pk;",
Expected: []sql.Row{
{1, 10, int8(1)},
{2, 20, int8(2)},
{3, 30, int8(2)},
},
},
},
},
{
// https://github.com/dolthub/dolt/issues/10753.
Name: "adding a column to a unique index and inserting data valid only under the new index",
AncSetUpScript: []string{
"CREATE TABLE t (pk INT PRIMARY KEY, a INT, b TINYINT, UNIQUE KEY uq (a));",
"INSERT INTO t VALUES (1, 10, 1);",
},
RightSetUpScript: []string{
"ALTER TABLE t DROP INDEX uq;",
"ALTER TABLE t ADD UNIQUE KEY uq (a, b);",
"INSERT INTO t VALUES (2, 10, 2);",
},
LeftSetUpScript: []string{
"INSERT INTO t VALUES (3, 30, 3);",
},
Assertions: []queries.ScriptTestAssertion{
{
Query: "call dolt_merge('right');",
Expected: []sql.Row{{doltCommit, 0, 0, "merge successful"}},
},
{
Query: "SELECT * FROM t ORDER BY pk;",
Expected: []sql.Row{
{1, 10, int8(1)},
{2, 10, int8(2)},
{3, 30, int8(3)},
},
},
},
},
}
// SchemaChangeTestsTypeChanges holds test scripts for schema merge where column types have changed. Note that