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尝试使用查询从源中提取数据:

concat('select column_name from {$trytable} where table_name =',$scddimname)

声明的参数和分配的值都为:

scddimname string 'emp_scd'
trytable string'INFORMATION_SCHEMA.COLUMNS'

但是,错误

Error:
DF-DSL-001 - DSL stream has parsing errors
Line 9 Position 86: token recognition error at: '\n' - RunId: e93f18d2-cc0d-4b64-8336-15e75a5aaa22

看起来很麻烦!

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