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fix: insert with negative value #14244

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merged 3 commits into from
Oct 11, 2023
Merged

fix: insert with negative value #14244

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5348254
added failing insert with negative value
harshit-gangal Oct 11, 2023
606ee30
fix: walk the expression and add all the arguments to the bindvars
harshit-gangal Oct 11, 2023
d0d3516
addressed review comments
harshit-gangal Oct 11, 2023
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8 changes: 8 additions & 0 deletions go/test/endtoend/vtgate/misc_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,14 @@ import (
"github.com/stretchr/testify/require"
)

func TestInsertNeg(t *testing.T) {
conn, closer := start(t)
defer closer()

utils.Exec(t, conn, "insert ignore into t10(id, sharding_key, col1, col2, col3) values(10, 20, 'a', 1, 2), (20, -20, 'b', 3, 4), (30, -40, 'c', 6, 7), (40, 60, 'd', 4, 10)")
utils.Exec(t, conn, "insert ignore into t10(id, sharding_key, col1, col2, col3) values(1, 2, 'a', 1, 2), (2, -2, 'b', -3, 4), (3, -4, 'c', 6, -7), (4, 6, 'd', 4, -10)")
}

func TestSelectNull(t *testing.T) {
conn, closer := start(t)
defer closer()
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3 changes: 3 additions & 0 deletions go/test/endtoend/vtgate/schema.sql
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Expand Up @@ -143,6 +143,9 @@ create table t10
(
id bigint,
sharding_key bigint,
col1 varchar(50),
col2 int,
col3 int,
primary key (id)
) Engine = InnoDB;

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9 changes: 6 additions & 3 deletions go/vt/vtgate/engine/insert.go
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Expand Up @@ -766,9 +766,12 @@ func (ins *Insert) getInsertShardedRoute(
if keyspaceIDs[index] != nil {
mids = append(mids, sqlparser.String(ins.Mid[index]))
for _, expr := range ins.Mid[index] {
if arg, ok := expr.(*sqlparser.Argument); ok {
shardBindVars[arg.Name] = bindVars[arg.Name]
}
_ = sqlparser.Walk(func(node sqlparser.SQLNode) (kontinue bool, err error) {
if arg, ok := node.(*sqlparser.Argument); ok {
shardBindVars[arg.Name] = bindVars[arg.Name]
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shouldn't we check if the bindVars has the value or not? here we would not fail on missing arguments, we would just put in a null value

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@harshit-gangal harshit-gangal Oct 11, 2023 •
edited
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This should ideally never happen.
Not sure what should be the correct behaviour.
May be failing as internal error would be better

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It could also be a user error when using grpc for the case when the user did not provide the bind var.

}
return true, nil
}, expr, nil)
}
}
}
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36 changes: 36 additions & 0 deletions go/vt/vtgate/executor_dml_test.go
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Expand Up @@ -1362,6 +1362,42 @@ func TestInsertSharded(t *testing.T) {
testQueryLog(t, executor, logChan, "TestExecute", "INSERT", "insert into `user`(id, v, `name`) values (:vtg1 /* INT64 */, :vtg2 /* INT64 */, _binary :vtg3 /* VARCHAR */)", 1)
}

func TestInsertNegativeValue(t *testing.T) {
executor, sbc1, sbc2, sbclookup, ctx := createExecutorEnv(t)
executor.normalize = true

logChan := executor.queryLogger.Subscribe("Test")
defer executor.queryLogger.Unsubscribe(logChan)

session := &vtgatepb.Session{
TargetString: "@primary",
}
_, err := executorExec(ctx, executor, session, "insert into user(id, v, name) values (1, -2, 'myname')", nil)
require.NoError(t, err)
wantQueries := []*querypb.BoundQuery{{
Sql: "insert into `user`(id, v, `name`) values (:_Id_0, -:vtg2 /* INT64 */, :_name_0)",
BindVariables: map[string]*querypb.BindVariable{
"_Id_0": sqltypes.Int64BindVariable(1),
"vtg2": sqltypes.Int64BindVariable(2),
"_name_0": sqltypes.StringBindVariable("myname"),
},
}}
assertQueries(t, sbc1, wantQueries)
assertQueries(t, sbc2, nil)
wantQueries = []*querypb.BoundQuery{{
Sql: "insert into name_user_map(`name`, user_id) values (:name_0, :user_id_0)",
BindVariables: map[string]*querypb.BindVariable{
"name_0": sqltypes.StringBindVariable("myname"),
"user_id_0": sqltypes.Uint64BindVariable(1),
},
}}
assertQueries(t, sbclookup, wantQueries)

testQueryLog(t, executor, logChan, "MarkSavepoint", "SAVEPOINT", "savepoint x", 0)
testQueryLog(t, executor, logChan, "VindexCreate", "INSERT", "insert into name_user_map(`name`, user_id) values (:name_0, :user_id_0)", 1)
testQueryLog(t, executor, logChan, "TestExecute", "INSERT", "insert into `user`(id, v, `name`) values (:vtg1 /* INT64 */, -:vtg2 /* INT64 */, :vtg3 /* VARCHAR */)", 1)
}

func TestInsertShardedKeyrange(t *testing.T) {
executor, _, _, _, ctx := createExecutorEnv(t)

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4 changes: 2 additions & 2 deletions go/vt/vtgate/executor_framework_test.go
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Expand Up @@ -357,8 +357,8 @@ func assertQueries(t *testing.T, sbc *sandboxconn.SandboxConn, wantQueries []*qu
}
got := query.Sql
expected := wantQueries[idx].Sql
assert.Equal(t, expected, got)
assert.Equal(t, wantQueries[idx].BindVariables, query.BindVariables)
utils.MustMatch(t, expected, got)
utils.MustMatch(t, wantQueries[idx].BindVariables, query.BindVariables)
idx++
}
}
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