Minor Description
To https://docs.couchbase.com/server/current/n1ql/n1ql-language-reference/metafun.html add:
EXTRACTDDL(filter [,options])
Description
Extracts DDL statements from the matching buckets in accordance with the options provided, returning an array of strings containing the statements.
The user must have query_system_catalog authority and authority to access the individual buckets in order to extract the DDL.
Arguments
filter
String value LIKE pattern for matching against bucket names. An empty string matches all names.
options
An optional object value containing the field:
- flags
- A numeric representation of the flags or an array of string flag values.
- flag values
- bucket - include CREATE BUCKET statements
- scope - include CREATE SCOPE statements
- collection - include CREATE COLLECTION statements
- index - include CREATE INDEX statements
- sequence - include CREATE SEQUENCE statements
When options is not specified (or if it doesn't include the flags field) then all statements are included in the output.
Example
SELECT extractddl("travel-sample",{"flags":["index"]});
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...
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"results": [
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{
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"$1": [
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"CREATE INDEX `def_airportname` ON `travel-sample`(`airportname`) ;",
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"CREATE INDEX `def_city` ON `travel-sample`(`city`) ;",
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"CREATE INDEX `def_faa` ON `travel-sample`(`faa`) ;",
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"CREATE INDEX `def_icao` ON `travel-sample`(`icao`) ;",
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"CREATE INDEX `def_inventory_airline_primary` ON `travel-sample`.`inventory`.`airline`;",
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"CREATE INDEX `def_inventory_airport_airportname` ON `travel-sample`.`inventory`.`airport`(`airportname`) ;",
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"CREATE INDEX `def_inventory_airport_city` ON `travel-sample`.`inventory`.`airport`(`city`) ;",
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"CREATE INDEX `def_inventory_airport_faa` ON `travel-sample`.`inventory`.`airport`(`faa`) ;",
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"CREATE INDEX `def_inventory_airport_primary` ON `travel-sample`.`inventory`.`airport`;",
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"CREATE INDEX `def_inventory_hotel_city` ON `travel-sample`.`inventory`.`hotel`(`city`) ;",
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"CREATE INDEX `def_inventory_hotel_primary` ON `travel-sample`.`inventory`.`hotel`;",
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"CREATE INDEX `def_inventory_landmark_city` ON `travel-sample`.`inventory`.`landmark`(`city`) ;",
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"CREATE INDEX `def_inventory_landmark_primary` ON `travel-sample`.`inventory`.`landmark`;",
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"CREATE INDEX `def_inventory_route_primary` ON `travel-sample`.`inventory`.`route`;",
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"CREATE INDEX `def_inventory_route_route_src_dst_day` ON `travel-sample`.`inventory`.`route`(`sourceairport`,`destinationairport`,(distinct (array (`v`.`day`) for `v` in `schedule` end))) ;",
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"CREATE INDEX `def_inventory_route_schedule_utc` ON `travel-sample`.`inventory`.`route`(array (`s`.`utc`) for `s` in `schedule` end) ;",
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"CREATE INDEX `def_inventory_route_sourceairport` ON `travel-sample`.`inventory`.`route`(`sourceairport`) ;",
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"CREATE INDEX `def_name_type` ON `travel-sample`(`name`) WHERE (`_type` = 'User');",
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"CREATE INDEX `def_primary` ON `travel-sample`;",
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"CREATE INDEX `def_route_src_dst_day` ON `travel-sample`(`sourceairport`,`destinationairport`,(distinct (array (`v`.`day`) for `v` in `schedule` end))) WHERE (`type` = 'route');",
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"CREATE INDEX `def_schedule_utc` ON `travel-sample`(array (`s`.`utc`) for `s` in `schedule` end) ;",
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"CREATE INDEX `def_sourceairport` ON `travel-sample`(`sourceairport`) ;",
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"CREATE INDEX `def_type` ON `travel-sample`(`type`) ;"
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]
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}
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...
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Attachments
Issue Links
- is caused by
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MB-61441 Add SQL++ function to extract DDL statements
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- Resolved
-