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1.4 LTS
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3.0
4.0
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10.2
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10.4
10.5
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10.8
10.9
10.11
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12.3
5.5
5.6
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8.0
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11g Release 2
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8.4
9.3
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12
13
14
15
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19 RC 1
2012
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3.8
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3.27
3.39
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3.53
2.11
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2.28
2.6
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2.18
2024.2 LTS
2025.2 LTS
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WITH j (val) AS ( VALUES ('{"one": null, "two": 0, "three": "" }'::jsonb) ) SELECT replace(val::text,'""','null')::jsonb FROM j;
replace
{"one": null, "two": 0, "three": null}
SELECT 1