Sometimes you may want to pass a comma separated string as an argument to stored procedure or SQL function and parse within the proc. This sample code shows how to parse a string based any delimiter you specify. The below code is using a function, but you can easily convert it into a s...
class sqlparse.sql.TokenList(tokens=None):pass 4. 实践场景简单应用 封装增删改查各种操作数据库语句执行,并且对查询结果返回条数限制为100条 import sqlparse sql_parse = sqlparse.parse(sql_string) sql = str(sql_parse[0]).strip(";") for item in sql_parse[0].tokens: if item.ttype is DML...
sqlparse.sql.Keyword: 表示SQL关键字,如SELECT, FROM, WHERE等。 sqlparse.sql.Punctuation: 表示SQL中的标点符号,如逗号,、分号;等。 sqlparse.sql.Comment: 用于表示SQL中的注释内容,可以是行内注释(–…)或块注释(/* … */)。 sqlparse.sql.Comparison: 包含比较操作符(如=, !=, IN, BETWEEN等)以及...
SparkSession.sql() --> AbstractSqlParser.parsePlan() --> AbstractSqlParser.parse() 代码语言:javascript 代码运行次数:0 运行 AI代码解释 /** Creates LogicalPlan for a given SQL string. */ override def parsePlan(sqlText: String): LogicalPlan = parse(sqlText) { parser => val ctx = parse...
Text.Whitespace Token.Keyword from Token.Text.Whitespace Token.Name bar Token.Punctuation ; # 通过;切分后,sql.Statement(self.tokens)聚合,输出类型Statement。 # 最终输出:Statement类型转换为string select * from foo; select * from bar; 2.4 语法解析(sqlparse.parse) 语法解析器:filter_stack.py -> ...
:param sql: A string containing one or more SQL statements. :param encoding: The encoding of the statement (optional). :returns: A tuple of :class:`~sqlparse.sql.Statement` instances. """ return tuple(parsestream(sql, encoding))
def parse(sql, encoding=None):"""Parse sql and return a list of statements.:param sql: A string containing one or more SQL statements.:param encoding: The encoding of the statement (optional).:returns: A tuple of :class:`~sqlparse.sql.Statement` instances."""return tuple(parsestream(sql...
Returns the result of an expression, translated to the requested data type in SQL Server. Transact-SQL syntax conventions Syntax syntaxsql PARSE(string_valueASdata_type[USINGculture ] ) Arguments string_value nvarchar(4000) value representing the formatted value to parse into the specified data type...
Returns the result of an expression, translated to the requested data type in SQL Server. Transact-SQL syntax conventions Syntax syntaxsql PARSE(string_valueASdata_type[USINGculture ] ) Arguments string_value nvarchar(4000) value representing the formatted value to parse into the specified data type...
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