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MIGRATE: Fix key extraction for new form.

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This commit is contained in:
antirez
2015-12-11 18:09:01 +01:00
parent 82fd74a118
commit 4e252e4c09
3 changed files with 29 additions and 1 deletions
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27
src/db.c
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@ -1238,6 +1238,33 @@ int *sortGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *numkeys)
return keys;
}
int *migrateGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *numkeys) {
int i, num, first, *keys;
UNUSED(cmd);
/* Assume the obvious form. */
first = 3;
num = 1;
/* But check for the extended one with the KEYS option. */
if (argc > 6) {
for (i = 6; i < argc; i++) {
if (!strcasecmp(argv[i]->ptr,"keys") &&
sdslen(argv[3]->ptr) == 0)
{
first = i+1;
num = argc-first;
break;
}
}
}
keys = zmalloc(sizeof(int)*num);
for (i = 0; i < num; i++) keys[i] = first+i;
*numkeys = num;
return keys;
}
/* Slot to Key API. This is used by Redis Cluster in order to obtain in
* a fast way a key that belongs to a specified hash slot. This is useful
* while rehashing the cluster. */