Ngữ pháp bằng Ngôn ngữ truy vấn trong Merchant Center
Dưới đây là tài liệu tham khảo ngữ pháp của Ngôn ngữ truy vấn Merchant Center (trong ký hiệu biểu thức chính quy):
Query->SelectClauseFromClause?WhereClause?OrderByClause?LimitClause? SelectClause-> SELECT FieldName(,FieldName)* FromClause-> FROM TableName WhereClause-> WHERE Condition(AND Condition)* OrderByClause-> ORDER BY Ordering(,Ordering)* LimitClause-> LIMIT PositiveInteger
Condition->FieldNameOperatorValue|FieldName BETWEEN Value AND Value Operator->=|!=|>|>=|<|<=|<>| IN | NOT IN | CONTAINS ANY | CONTAINS ALL | CONTAINS NONE | DURING | LIKE | NOT LIKE | REGEXP_MATCH | NOT REGEXP_MATCH Value->Number|NumberList|String|StringList|Function Ordering->FieldName(ASC | DESC)?
[null,null,["Cập nhật lần gần đây nhất: 2024-09-20 UTC."],[[["The Merchant API is the new version of the Content API for Shopping and represents the future of product data integration."],["Developers can learn more about the Merchant API and its benefits, as well as how to participate in shaping its future, in the official announcement blog post."],["The Merchant Center Query Language uses a structured grammar, allowing developers to query data with clauses like `SELECT`, `FROM`, `WHERE`, `ORDER BY`, and `LIMIT`."],["Various operators such as comparison, range, list inclusion, and regular expression matching are supported within the `WHERE` clause to filter data effectively."],["The `REGEXP_MATCH` operator leverages RE2 syntax for flexible and powerful regular expression-based filtering capabilities."]]],["The beta version of the Merchant API, the new Content API for Shopping, is available. The Merchant Center Query Language uses a specific grammar, defined with regular expressions, including `SELECT`, `FROM`, `WHERE`, `ORDER BY`, and `LIMIT` clauses. Conditions use operators like `=`, `IN`, `CONTAINS`, and `DURING`, and values can be numbers, strings, or functions like `LAST_14_DAYS`. The `REGEXP_MATCH` operator employs RE2 syntax. The documentation details how to integrate and shape this API.\n"]]