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Merge pull request #44657 from ClickHouse/Avogar-patch-1

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Enable input_format_json_read_objects_as_strings by default
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Kruglov Pavel 2023-01-02 16:14:33 +01:00 committed by GitHub
commit ebbd47012e
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3 changed files with 3 additions and 2 deletions
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2
src/Core/Settings.h
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@ -771,7 +771,7 @@ static constexpr UInt64 operator""_GiB(unsigned long long value)
M(Bool, input_format_json_try_infer_numbers_from_strings, true, "Try to infer numbers from string fields while schema inference", 0) \
M(Bool, input_format_json_validate_types_from_metadata, true, "For JSON/JSONCompact/JSONColumnsWithMetadata input formats this controls whether format parser should check if data types from input metadata match data types of the corresponding columns from the table", 0) \
M(Bool, input_format_json_read_numbers_as_strings, false, "Allow to parse numbers as strings in JSON input formats", 0) \
M(Bool, input_format_json_read_objects_as_strings, false, "Allow to parse JSON objects as strings in JSON input formats", 0) \
M(Bool, input_format_json_read_objects_as_strings, true, "Allow to parse JSON objects as strings in JSON input formats", 0) \
M(Bool, input_format_try_infer_integers, true, "Try to infer integers instead of floats while schema inference in text formats", 0) \
M(Bool, input_format_try_infer_dates, true, "Try to infer dates from string fields while schema inference in text formats", 0) \
M(Bool, input_format_try_infer_datetimes, true, "Try to infer datetimes from string fields while schema inference in text formats", 0) \

1
src/Core/SettingsChangesHistory.h
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@ -80,6 +80,7 @@ namespace SettingsChangesHistory
/// It's used to implement `compatibility` setting (see https://github.com/ClickHouse/ClickHouse/issues/35972)
static std::map<ClickHouseVersion, SettingsChangesHistory::SettingsChanges> settings_changes_history =
{
{"23.1", {{"input_format_json_read_objects_as_strings", 0, 1, "Enable reading nested json objects as strings while object type is experimental"}}},
{"22.12", {{"max_size_to_preallocate_for_aggregation", 10'000'000, 100'000'000, "This optimizes performance"},
{"query_plan_aggregation_in_order", 0, 1, "Enable some refactoring around query plan"},
{"format_binary_max_string_size", 0, 1_GiB, "Prevent allocating large amount of memory"}}},

2
tests/queries/0_stateless/02416_json_object_inference.sql
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@ -1,6 +1,6 @@
-- Tags: no-fasttest
set allow_experimental_object_type=1;
desc format(JSONEachRow, '{"a" : {"b" : {"c" : 1, "d" : "str"}}}');
set allow_experimental_object_type=0;
set allow_experimental_object_type=0, input_format_json_read_objects_as_strings=0;
desc format(JSONEachRow, '{"a" : {"b" : {"c" : 1, "d" : "str"}}}'); -- {serverError 652}