Details
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Bug
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Status: Stalled (View Workflow)
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Major
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Resolution: Unresolved
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10.4, 10.5
Description
explain select * from t1,t2 where t1.a=t2.b+2 and t2.a= t1.b;
"best_access_path": {
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"considered_access_paths": [
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{
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"access_type": "ref",
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"index": "a",
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"used_range_estimates": false,
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"cause": "not available",
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"rows": 1,
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"cost": 200,
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"chosen": true
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},
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{
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"access_type": "scan",
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"resulting_rows": 100,
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"cost": 2.3174,
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"chosen": false
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}
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],
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"chosen_access_method": {
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"type": "ref",
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"records": 1,
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"cost": 200,
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"uses_join_buffering": false,
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"filter_used": false
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}
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As we see for table t2 ref access is used but the index name is not shown in chosen_access_method