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Andres Freund authored
The current method of computing the record length (excluding the lenght of full-page images) has been wrong since the WAL format has been revamped in 2c03216d. Only the main record's length was counted, but that can be significantly too little if there's data associated with further blocks. Fix by computing the record length as total_lenght - fpi_length. Reported-By: Chen Huajun Bug: #14687 Reviewed-By: Heikki Linnakangas Discussion: https://postgr.es/m/20170603165939.1436.58887@wrigleys.postgresql.org Backpatch: 9.5-
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