In such a case, the configured property value is treated as a prefix to which a unique integer is appended.

在这种情况下，配置属性值被当作一个前缀，其后会附加一个唯一整数。

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The built-in Concat function supports the specification of a prefix, postfix, and delimiters through its property page.

内置的 Concat 函数支持通过其属性页指定前缀、后缀和分隔符。

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The connector prefixes these with a string that can be configured by setting the connector source context property prefix for Expression Columns.

连接器为这些数字添加一个字符串前缀，该字符串可以通过设置连接器源上下文属性Prefix for Expression Columns进行配置。

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