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Provide partial support for string "format" constraint #16

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Provide partial support for string "format" constraint #16

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593c6ad
Implement partial support of "format" for type "string"
stefanov-sm Feb 24, 2024
8006e9b
Provide partial support for string "format" constraint
stefanov-sm Feb 25, 2024
24364f4
Provide partial support for string "format" constraint
stefanov-sm Feb 25, 2024
76a47d1
"email" format added, regex implementation
stefanov-sm Mar 7, 2024
942d435
Case-sensitive mail gegex suggested by [pbaumard](https://github.com/…
stefanov-sm Mar 20, 2024
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22 changes: 22 additions & 0 deletions postgres-json-schema--0.1.1.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -237,6 +237,28 @@ BEGIN
END IF;
END IF;

IF schema ? 'format' AND jsonb_typeof(data) = 'string' THEN
DECLARE
target text := (data #>> '{}');
EMAIL_RX constant text := '^[a-zA-Z0-9.!#$%&''*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$';
BEGIN
CASE (schema->>'format')
WHEN 'date-time' THEN PERFORM target::timestamptz;
WHEN 'date' THEN PERFORM target::date;
WHEN 'time' THEN PERFORM target::time;
WHEN 'duration' THEN PERFORM target::interval;
WHEN 'uuid' THEN PERFORM target::uuid;
WHEN 'ipv6' THEN PERFORM target::inet; IF target NOT LIKE '%:%' THEN RAISE; END IF;
WHEN 'ipv4' THEN PERFORM target::inet; IF target LIKE '%:%' THEN RAISE; END IF;
WHEN 'regex' THEN PERFORM '' ~ target;
WHEN 'email' THEN IF target !~ EMAIL_RX THEN RAISE; END IF;
ELSE null; -- consistent with current behaviour - validate positive for unsupported options
END CASE;
EXCEPTION WHEN OTHERS THEN
RETURN false;
END;
END IF;

IF schema ? 'patternProperties' AND jsonb_typeof(data) = 'object' THEN
FOR prop IN SELECT jsonb_object_keys(data) LOOP
FOR pattern IN SELECT jsonb_object_keys(schema->'patternProperties') LOOP
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