Backport #19773 to 20.12: Fix stack overflow in FieldVisitorAccurateEquals

src/Common/FieldVisitorsAccurateComparison.h

@@ -53,7 +53,7 @@ public:
                 if constexpr (std::is_arithmetic_v<U>)
                 {
                     ReadBufferFromString in(l);
-                    T parsed;
+                    U parsed;
                     readText(parsed, in);
                     return operator()(parsed, r);
                 }
@@ -113,7 +113,7 @@ public:
                 if constexpr (std::is_arithmetic_v<U>)
                 {
                     ReadBufferFromString in(l);
-                    T parsed;
+                    U parsed;
                     readText(parsed, in);
                     return operator()(parsed, r);
                 }

tests/queries/0_stateless/00945_bloom_filter_index.reference

@@ -211,6 +211,14 @@
 2
 1
 1
+2
+2
+2
+2
+1
+2
+1
+2
 1	value1
 1	value2
 2	value3

tests/queries/0_stateless/00945_bloom_filter_index.sql

@@ -348,6 +348,16 @@ SELECT id FROM test_bf_indexOf WHERE 1 <= indexOf(ary, 'value1') ORDER BY id FOR
 SELECT id FROM test_bf_indexOf WHERE indexOf(ary, 'value1') >= 2 ORDER BY id FORMAT TSV;
 SELECT id FROM test_bf_indexOf WHERE 2 <= indexOf(ary, 'value1') ORDER BY id FORMAT TSV;
 
+SELECT id FROM test_bf_indexOf WHERE indexOf(ary, 'value1') = toDecimal32(0, 2) ORDER BY id FORMAT TSV;
+SELECT id FROM test_bf_indexOf WHERE toDecimal128(0, 2) = indexOf(ary, 'value1') ORDER BY id FORMAT TSV;
+SELECT id FROM test_bf_indexOf WHERE indexOf(ary, 'value1') = '0' ORDER BY id FORMAT TSV;
+SELECT id FROM test_bf_indexOf WHERE '0' = indexOf(ary, 'value1') ORDER BY id FORMAT TSV;
+
+SELECT id FROM test_bf_indexOf WHERE indexOf(ary, 'value1') > toDecimal32(0, 2) ORDER BY id FORMAT TSV;
+SELECT id FROM test_bf_indexOf WHERE indexOf(ary, 'value1') < toDecimal128(1, 2) ORDER BY id FORMAT TSV;
+SELECT id FROM test_bf_indexOf WHERE indexOf(ary, 'value1') > '0' ORDER BY id FORMAT TSV;
+SELECT id FROM test_bf_indexOf WHERE indexOf(ary, 'value1') < '1' ORDER BY id FORMAT TSV;
+
 SELECT id, ary[indexOf(ary, 'value1')] FROM test_bf_indexOf WHERE ary[indexOf(ary, 'value1')] = 'value1' ORDER BY id FORMAT TSV;
 SELECT id, ary[indexOf(ary, 'value2')] FROM test_bf_indexOf WHERE ary[indexOf(ary, 'value2')] = 'value2' ORDER BY id FORMAT TSV;
 SELECT id, ary[indexOf(ary, 'value3')] FROM test_bf_indexOf WHERE ary[indexOf(ary, 'value3')] = 'value3' ORDER BY id FORMAT TSV;