Fix string search with const position

ClickHouse · Mar 18, 2024 · 7029a0f · 7029a0f
1 parent b01526a
commit 7029a0f
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Showing 3 changed files with 4 additions and 1 deletion.
diff --git a/src/Functions/FunctionsStringSearch.h b/src/Functions/FunctionsStringSearch.h
@@ -197,7 +197,7 @@ class FunctionsStringSearch : public IFunction
                 Impl::constantConstant(
                     col_haystack_const->getValue<String>(),
                     col_needle_const->getValue<String>(),
-                    column_start_pos,
+                    is_col_start_pos_const ? nullptr : column_start_pos,
                     vec_res,
                     null_map.get());
 

diff --git a/tests/queries/0_stateless/03013_position_const_start_pos.reference b/tests/queries/0_stateless/03013_position_const_start_pos.reference
diff --git a/tests/queries/0_stateless/03013_position_const_start_pos.sql b/tests/queries/0_stateless/03013_position_const_start_pos.sql
@@ -0,0 +1,3 @@
+CREATE TABLE 03013_position_const_start_pos (n Int16) ENGINE = Memory;
+INSERT INTO 03013_position_const_start_pos SELECT * FROM generateRandom() LIMIT 1000;
+SELECT position(concat(NULLIF(1, 1), materialize(3)), 'ca', 2) FROM 03013_position_const_start_pos FORMAT Null;