JSONCompactEachRowWithNamesAndTypes - ClickHouse Documentation

إدخال	إخراج	اسم بديل
✔	✔

الوصف

يختلف عن تنسيق JSONCompactEachRow في أنه يعرض أيضًا صفَّي رؤوس يحتويان على أسماء الأعمدة وأنواعها، على غرار تنسيق TabSeparatedWithNamesAndTypes.

مثال للاستخدام

إدراج البيانات

باستخدام ملف JSON بالاسم football.json ويحتوي على البيانات التالية:

["date", "season", "home_team", "away_team", "home_team_goals", "away_team_goals"]
["Date", "Int16", "LowCardinality(String)", "LowCardinality(String)", "Int8", "Int8"]
["2022-04-30", 2021, "Sutton United", "Bradford City", 1, 4]
["2022-04-30", 2021, "Swindon Town", "Barrow", 2, 1]
["2022-04-30", 2021, "Tranmere Rovers", "Oldham Athletic", 2, 0]
["2022-05-02", 2021, "Port Vale", "Newport County", 1, 2]
["2022-05-02", 2021, "Salford City", "Mansfield Town", 2, 2]
["2022-05-07", 2021, "Barrow", "Northampton Town", 1, 3]
["2022-05-07", 2021, "Bradford City", "Carlisle United", 2, 0]
["2022-05-07", 2021, "Bristol Rovers", "Scunthorpe United", 7, 0]
["2022-05-07", 2021, "Exeter City", "Port Vale", 0, 1]
["2022-05-07", 2021, "Harrogate Town A.F.C.", "Sutton United", 0, 2]
["2022-05-07", 2021, "Hartlepool United", "Colchester United", 0, 2]
["2022-05-07", 2021, "Leyton Orient", "Tranmere Rovers", 0, 1]
["2022-05-07", 2021, "Mansfield Town", "Forest Green Rovers", 2, 2]
["2022-05-07", 2021, "Newport County", "Rochdale", 0, 2]
["2022-05-07", 2021, "Oldham Athletic", "Crawley Town", 3, 3]
["2022-05-07", 2021, "Stevenage Borough", "Salford City", 4, 2]
["2022-05-07", 2021, "Walsall", "Swindon Town", 0, 3]

أدخِل البيانات:

INSERT INTO football FROM INFILE 'football.json' FORMAT JSONCompactEachRowWithNamesAndTypes;

قراءة البيانات

اقرأ البيانات بتنسيق JSONCompactEachRowWithNamesAndTypes:

SELECT *
FROM football
FORMAT JSONCompactEachRowWithNamesAndTypes

سيكون الناتج بتنسيق JSON:

["date", "season", "home_team", "away_team", "home_team_goals", "away_team_goals"]
["Date", "Int16", "LowCardinality(String)", "LowCardinality(String)", "Int8", "Int8"]
["2022-04-30", 2021, "Sutton United", "Bradford City", 1, 4]
["2022-04-30", 2021, "Swindon Town", "Barrow", 2, 1]
["2022-04-30", 2021, "Tranmere Rovers", "Oldham Athletic", 2, 0]
["2022-05-02", 2021, "Port Vale", "Newport County", 1, 2]
["2022-05-02", 2021, "Salford City", "Mansfield Town", 2, 2]
["2022-05-07", 2021, "Barrow", "Northampton Town", 1, 3]
["2022-05-07", 2021, "Bradford City", "Carlisle United", 2, 0]
["2022-05-07", 2021, "Bristol Rovers", "Scunthorpe United", 7, 0]
["2022-05-07", 2021, "Exeter City", "Port Vale", 0, 1]
["2022-05-07", 2021, "Harrogate Town A.F.C.", "Sutton United", 0, 2]
["2022-05-07", 2021, "Hartlepool United", "Colchester United", 0, 2]
["2022-05-07", 2021, "Leyton Orient", "Tranmere Rovers", 0, 1]
["2022-05-07", 2021, "Mansfield Town", "Forest Green Rovers", 2, 2]
["2022-05-07", 2021, "Newport County", "Rochdale", 0, 2]
["2022-05-07", 2021, "Oldham Athletic", "Crawley Town", 3, 3]
["2022-05-07", 2021, "Stevenage Borough", "Salford City", 4, 2]
["2022-05-07", 2021, "Walsall", "Swindon Town", 0, 3]

إعدادات التنسيق

إذا كان الإعداد input_format_with_names_use_header مضبوطًا على 1، فستُطابَق الأعمدة الواردة في بيانات الإدخال مع أعمدة الجدول بناءً على أسمائها، وسيتم تخطي الأعمدة ذات الأسماء غير المعروفة إذا كان الإعداد input_format_skip_unknown_fields مضبوطًا على 1. وإلا فسيتم تخطي الصف الأول. إذا كان الإعداد input_format_with_types_use_header مضبوطًا على 1، فستُقارَن الأنواع الواردة في بيانات الإدخال بأنواع الأعمدة المقابلة في الجدول. وإلا فسيتم تخطي الصف الثاني.

​الوصف

​مثال للاستخدام

​إدراج البيانات

​قراءة البيانات

​إعدادات التنسيق

الوصف

مثال للاستخدام

إدراج البيانات

قراءة البيانات

إعدادات التنسيق