fix: 修复删除文档最后一个分段报错 (#534)
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@ -1,4 +1,7 @@
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UPDATE "document"
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UPDATE "document"
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SET "char_length" = ( SELECT "sum" ( "char_length" ( "content" ) ) FROM paragraph WHERE "document_id" = %s )
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SET "char_length" = ( SELECT CASE WHEN
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"sum" ( "char_length" ( "content" ) ) IS NULL THEN
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0 ELSE "sum" ( "char_length" ( "content" ) )
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END FROM paragraph WHERE "document_id" = %s )
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WHERE
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WHERE
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"id" = %s
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"id" = %s
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