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Fix JSONExtract String with null value.

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Amos Bird 2021-08-21 17:03:16 +08:00
parent 14ef66e49b
commit 4d3db821bb
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3 changed files with 5 additions and 0 deletions
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2
src/Functions/FunctionsJSON.h
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@ -695,6 +695,8 @@ struct JSONExtractTree
{
if (element.isString())
return JSONExtractStringImpl<JSONParser>::insertResultToColumn(dest, element, {});
else if (element.isNull())
return false;
else
return JSONExtractRawImpl<JSONParser>::insertResultToColumn(dest, element, {});
}

1
tests/queries/0_stateless/01915_json_extract_raw_string.reference
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@ -1 +1,2 @@
('123','456','[7,8,9]')
\N

2
tests/queries/0_stateless/01915_json_extract_raw_string.sql
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@ -1 +1,3 @@
select JSONExtract('{"a": "123", "b": 456, "c": [7, 8, 9]}', 'Tuple(a String, b String, c String)');
with '{"string_value":null}' as json select JSONExtract(json, 'string_value', 'Nullable(String)');