In xquery when fn:upper-case() with apostrophe ", single quote receiving error

Question

In Xquery for the using the function fn:upper-case when we use apostrophe (') and double quotes (") getting below parser error. please let me know if any inputs on this error.

earch failed to execute, please check XQuery for possible issues: query:1:104:XQUERY_PARSE_ERROR: query:1:104:XQUERY_PARSE_ERROR: illegal entity reference: unexpected 'Q', expected &, >, <, ', or a character reference (XPST0003) query:1:114:XQUERY_PARSE_ERROR: illegal entity reference: unexpected 'Q', expected &, >, <, ', or a character reference (XPST0003) , Original message: illegal entity reference: unexpected 'Q', expected &, >, <, ', or a character reference (XPST0003) for $elem in /CSCHULMAN_DEV/CSCHULMAN_IA_INVOICE/ROW where contains(fn:upper-case($elem/ONSDES) ,'ERR/"ABD/"') return $elem -------------------------------------------------------------------

Answer 1

听起来好像您的 XQuery 代码有一个带有序列&Q的字符串文字，这违反了语法规则并且需要是&Q 。