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@ -28,6 +28,7 @@ SELECT
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-- using greatest() to avoid divide by zero error, by ensuring we divide by at least 1
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-- using greatest() to avoid divide by zero error, by ensuring we divide by at least 1
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shared_blks_hit /
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shared_blks_hit /
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GREATEST((shared_blks_hit + shared_blks_read), 1)::float AS shared_blks_hit_ratio,
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GREATEST((shared_blks_hit + shared_blks_read), 1)::float AS shared_blks_hit_ratio,
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-- casting divisor to float to avoid getting integer maths returning zeros instead of fractional ratios
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local_blks_hit,
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local_blks_hit,
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local_blks_read,
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local_blks_read,
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local_blks_hit /
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local_blks_hit /
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