質問編集履歴
2
explain追加
title
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body
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@@ -45,5 +45,5 @@
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45
45
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explain追加
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id select_type table type possible_keys key key_len ref rows Extra
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48
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-
1 SIMPLE main ALL idx_t_main_up_date
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48
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1 SIMPLE main ALL idx_t_main_up_date 399394 Using where
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1 SIMPLE sub eq_ref PRIMARY PRIMARY 71 _id 1 Using where
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1
explain追加
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body
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@@ -41,4 +41,9 @@
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欲しい結果
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44
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-
111,222
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44
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+
111,222
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45
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46
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+
explain追加
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47
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+
id select_type table type possible_keys key key_len ref rows Extra
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48
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+
1 SIMPLE main ALL idx_t_main_up_date 189394 Using where
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49
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+
1 SIMPLE sub eq_ref PRIMARY PRIMARY 71 _id 1 Using where
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