Commit c8d4859

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Create kladr

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	`1`	`+--https://habr.com/ru/company/hflabs/blog/333736/`
	`2`	`+`
	`3`	`+CREATE DOMAIN kladr AS text CHECK(octet_length(VALUE) IN (13, 17, 19) AND VALUE ~ '^\d+$');`
	`4`	`+COMMENT ON DOMAIN kladr IS 'Идентификатор КЛАДР';`
	`5`	`+`
	`6`	`+--TEST`
	`7`	`+select '1234567890123'::kladr; --ok`
	`8`	`+select '78000000000172700'::kladr; --ok`
	`9`	`+select '1234567890123456789'::kladr; --ok`
	`10`	`+`
	`11`	`+select '1234567890'::kladr; --error`
	`12`	`+`
	`13`	`+`

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