MDL-40120: Fix get_course_records() which breaks in PSQL
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@@ -833,7 +833,7 @@ class coursecat implements renderable, cacheable_object, IteratorAggregate {
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$fields[] = 'c.summary';
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$fields[] = 'c.summaryformat';
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} else {
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$fields[] = $DB->sql_substr('c.summary', 1, 1). ' hassummary';
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$fields[] = $DB->sql_substr('c.summary', 1, 1). ' as hassummary';
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}
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$sql = "SELECT ". join(',', $fields). ", $ctxselect
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FROM {course} c
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