Bugfix. Incorrect pointer shift during reading from learn_cache.

danolivo · danolivo · commit e49f2fd29d07 · 2022-10-14T10:37:00.000+05:00
diff --git a/learn_cache.c b/learn_cache.c
@@ -127,6 +127,12 @@ lc_update_fss(uint64 fs, int fss, OkNNrdata *data, List *reloids)
 		}
 	}
 
+	/*
+	 * Kludge code. But we should rewrite this code because now all knowledge
+	 * base lives in non-transactional shared memory.
+	 */
+	ptr = (char *) hdr + sizeof(dsm_block_hdr) + (sizeof(double) * data->cols * aqo_K);
+
 	/* copy targets into DSM storage */
 	memcpy(ptr, data->targets, sizeof(double) * hdr->rows);
 	ptr += sizeof(double) * aqo_K;

Original file line number	Diff line number	Diff line change
`@@ -127,6 +127,12 @@ lc_update_fss(uint64 fs, int fss, OkNNrdata data, List reloids)`
`127`	`127`	`}`
`128`	`128`	`}`
`129`	`129`
	`130`	`+ /*`
	`131`	`+ * Kludge code. But we should rewrite this code because now all knowledge`
	`132`	`+ * base lives in non-transactional shared memory.`
	`133`	`+ */`
	`134`	`+ ptr = (char ) hdr + sizeof(dsm_block_hdr) + (sizeof(double) data->cols * aqo_K);`
	`135`	`+`
`130`	`136`	`/* copy targets into DSM storage */`
`131`	`137`	`memcpy(ptr, data->targets, sizeof(double) * hdr->rows);`
`132`	`138`	`ptr += sizeof(double) * aqo_K;`