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BUG#13081: Disable ROR-index_merge for NDB tables (by adding a

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HA_KEY_SCAN_NOT_ROR index flag) as NDB index scans are not guaranteed to be ROR 
scans.
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unknown
2005-09-30 14:20:15 +04:00
parent ec5df5f269
commit b8ad9d1461
3 changed files with 11 additions and 1 deletions
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2
sql/opt_range.cc
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@ -5117,6 +5117,8 @@ check_quick_select(PARAM *param,uint idx,SEL_ARG *tree)
if (cpk_scan)
param->is_ror_scan= TRUE;
}
if (param->table->file->index_flags(key, 0, TRUE) & HA_KEY_SCAN_NOT_ROR)
param->is_ror_scan= FALSE;
DBUG_PRINT("exit", ("Records: %lu", (ulong) records));
DBUG_RETURN(records);
}