数据仓库服务 GaussDB(DWS)-类型转换函数:to_clob(char/nchar/varchar/nvarchar/varchar2/nvarchar2/text/raw)

时间:2025-02-12 15:05:10

to_clob(char/nchar/varchar/nvarchar/varchar2/nvarchar2/text/raw)

描述:将RAW类型或者文本字符集类型CHAR、NCHAR、VARCHAR、VARCHAR2、NVARCHAR2、TEXT转成CLOB类型。

返回值类型:clob

示例:

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SELECT to_clob('ABCDEF'::RAW(10)); to_clob --------- ABCDEF(1 row)
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SELECT to_clob('hello111'::CHAR(15)); to_clob  ---------- hello111(1 row)
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SELECT to_clob('gauss123'::NCHAR(10)); to_clob  ---------- gauss123(1 row)
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SELECT to_clob('gauss234'::VARCHAR(10)); to_clob  ---------- gauss234(1 row)
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SELECT to_clob('gauss345'::VARCHAR2(10)); to_clob  ---------- gauss345(1 row)
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SELECT to_clob('gauss456'::NVARCHAR2(10)); to_clob  ---------- gauss456(1 row)
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SELECT to_clob('World222!'::TEXT);  to_clob  ----------- World222!(1 row)
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