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new 8e428712289 [fix](in expr) fix error result when in expr has null
value and lef… (#37800)
8e428712289 is described below
commit 8e42871228935b241e43ed2de99cf0aa750e1774
Author: Mryange <59914473+mrya...@users.noreply.github.com>
AuthorDate: Tue Jul 16 14:04:35 2024 +0800
[fix](in expr) fix error result when in expr has null value and lef…
(#37800)
https://github.com/apache/doris/pull/36024
## Proposed changes
```
create table t2 (id int, c1 int);
insert into t2 values(1, null);
select 0 in (c1, null) from t2; -- should return null，but 1
```
## Proposed changes
Issue Number: close #xxx
<!--Describe your changes.-->
---
be/src/vec/functions/in.h | 13 +++++++++---
.../data/nereids_p0/sql_functions/test_in_expr.out | 3 +++
.../nereids_p0/sql_functions/test_in_expr.groovy | 23 ++++++++++++++++++++++
3 files changed, 36 insertions(+), 3 deletions(-)
diff --git a/be/src/vec/functions/in.h b/be/src/vec/functions/in.h
index 955f44ec491..b25ad8eeb67 100644
--- a/be/src/vec/functions/in.h
+++ b/be/src/vec/functions/in.h
@@ -265,8 +265,9 @@ private:
continue;
}
- std::unique_ptr<HybridSetBase> hybrid_set(
- create_set(context->get_arg_type(0)->type,
set_columns.size()));
+ std::vector<StringRef> set_datas;
+ // To comply with the SQL standard, IN() returns NULL not only if
the expression on the left hand side is NULL,
+ // but also if no match is found in the list and one of the
expressions in the list is NULL.
bool null_in_set = false;
for (const auto& set_column : set_columns) {
@@ -274,9 +275,15 @@ private:
if (set_data.data == nullptr) {
null_in_set = true;
} else {
- hybrid_set->insert((void*)(set_data.data), set_data.size);
+ set_datas.push_back(set_data);
}
}
+ std::unique_ptr<HybridSetBase> hybrid_set(
+ create_set(context->get_arg_type(0)->type,
set_datas.size()));
+ for (auto& set_data : set_datas) {
+ hybrid_set->insert((void*)(set_data.data), set_data.size);
+ }
+
vec_res[i] = negative ^ hybrid_set->find((void*)ref_data.data,
ref_data.size);
if (null_in_set) {
vec_null_map_to[i] = negative == vec_res[i];
diff --git a/regression-test/data/nereids_p0/sql_functions/test_in_expr.out
b/regression-test/data/nereids_p0/sql_functions/test_in_expr.out
index 31d6bb5b1ac..4881e63f223 100644
--- a/regression-test/data/nereids_p0/sql_functions/test_in_expr.out
+++ b/regression-test/data/nereids_p0/sql_functions/test_in_expr.out
@@ -53,3 +53,6 @@ a
b
d
+-- !select --
+\N
+
diff --git
a/regression-test/suites/nereids_p0/sql_functions/test_in_expr.groovy
b/regression-test/suites/nereids_p0/sql_functions/test_in_expr.groovy
index 8f0d3015cab..b6c1b7a7d9a 100644
--- a/regression-test/suites/nereids_p0/sql_functions/test_in_expr.groovy
+++ b/regression-test/suites/nereids_p0/sql_functions/test_in_expr.groovy
@@ -115,4 +115,27 @@ suite("test_in_expr", "query") {
sql """DROP TABLE IF EXISTS ${nullTableName}"""
sql """DROP TABLE IF EXISTS ${notNullTableName}"""
+ sql """DROP TABLE IF EXISTS table_with_null"""
+
+ sql """
+ CREATE TABLE IF NOT EXISTS table_with_null (
+ `id` INT ,
+ `c1` INT
+ ) ENGINE=OLAP
+ DUPLICATE KEY(`id`)
+ DISTRIBUTED BY HASH(`id`) BUCKETS 1
+ PROPERTIES (
+ "replication_allocation" = "tag.location.default: 1",
+ "storage_format" = "V2"
+ );
+ """
+
+ sql """ insert into table_with_null values(1, null); """
+
+ qt_select """ select 0 in (c1, null) from table_with_null;"""
+
+
+
+
+
}
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