回答編集履歴
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加筆修正
test
CHANGED
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@@ -13,3 +13,27 @@
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その際、[ヒアドキュメント](https://www.php.net/manual/ja/language.types.string.php#language.types.string.syntax.heredoc)構文も駆使して、
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読みやすいSQLクエリーにするとよいかと。
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```php
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$sql = <<<EOT
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SELECT TO_CHAR(y.yoyaku_date,'YYYY-FMMM-FMDD') AS yoyaku_date, s.sname, y.start_time, y.end_time
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FROM tbl_4_2_1 AS y INNER JOIN tbl_4_2_2 AS s ON y.scode = s.scode
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WHERE TO_DATE(y.yoyaku_date,'YYYY-MM')=TO_DATE($1,'YYYY-MM')
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ORDER BY s.scode,y.start_time,y.end_time;
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EOT;
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$result = pg_prepare($con, 'query', $sql);
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$result = pg_execute($con, 'query', array($year . '-' . $month));
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```
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（あくまで机上のコードなので、エラーが出たらご指摘を。）
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