279 lines
7.9 KiB
Factor
279 lines
7.9 KiB
Factor
USING: accessors assocs bson.constants bson.writer combinators
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constructors continuations destructors formatting fry io io.pools
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io.encodings.binary io.sockets io.streams.duplex kernel linked-assocs hashtables
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math math.parser memoize mongodb.connection mongodb.msg mongodb.operations namespaces
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parser prettyprint sequences sets splitting strings uuid arrays ;
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IN: mongodb.driver
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TUPLE: mdb-pool < pool { mdb mdb-db } ;
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TUPLE: mdb-cursor collection id return# ;
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UNION: boolean t POSTPONE: f ;
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TUPLE: mdb-collection
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{ name string }
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{ capped boolean initial: f }
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{ size integer initial: -1 }
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{ max integer initial: -1 } ;
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: <mdb-collection> ( name -- collection )
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[ mdb-collection new ] dip >>name ; inline
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M: mdb-pool make-connection
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mdb>> mdb-open ;
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: <mdb-pool> ( mdb -- pool ) mdb-pool <pool> swap >>mdb ;
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CONSTANT: MDB-GENERAL-ERROR 1
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CONSTANT: PARTIAL? "partial?"
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CONSTANT: DIRTY? "dirty?"
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ERROR: mdb-error id msg ;
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<PRIVATE
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CONSTRUCTOR: mdb-cursor ( id collection return# -- cursor ) ;
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: check-ok ( result -- ? )
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[ "ok" ] dip key? ; inline
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: >mdbregexp ( value -- regexp )
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first <mdbregexp> ; inline
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PRIVATE>
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SYNTAX: r/ ( token -- mdbregexp )
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\ / [ >mdbregexp ] parse-literal ;
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: with-db ( mdb quot -- ... )
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swap [ mdb-open &dispose >mdb-connection ] curry
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prepose with-destructors ; inline
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: build-id-selector ( assoc -- selector )
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[ MDB_OID_FIELD swap at ] keep
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H{ } clone [ set-at ] keep ;
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<PRIVATE
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: index-collection ( -- ns )
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mdb-instance name>> "%s.system.indexes" sprintf ; inline
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: namespaces-collection ( -- ns )
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mdb-instance name>> "%s.system.namespaces" sprintf ; inline
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: cmd-collection ( -- ns )
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mdb-instance name>> "%s.$cmd" sprintf ; inline
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: index-ns ( colname -- index-ns )
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[ mdb-instance name>> ] dip "%s.%s" sprintf ; inline
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: send-message ( message -- )
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[ mdb-connection> handle>> ] dip '[ _ write-message ] with-stream* ;
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: send-query-plain ( query-message -- result )
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[ mdb-connection> handle>> ] dip
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'[ _ write-message read-message ] with-stream* ;
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: make-cursor ( mdb-result-msg -- cursor/f )
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dup cursor>> 0 >
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[ [ cursor>> ] [ collection>> ] [ requested#>> ] tri <mdb-cursor> ]
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[ drop f ] if ;
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: send-query ( query-message -- cursor/f result )
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[ send-query-plain ] keep
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[ collection>> >>collection drop ]
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[ return#>> >>requested# ] 2bi
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[ make-cursor ] [ objects>> ] bi ;
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PRIVATE>
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: <mdb> ( db host port -- mdb )
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<inet> f <mdb-node>
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check-nodes [ [ master?>> ] keep 2array ] map
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>hashtable (<mdb-db>) ;
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GENERIC: create-collection ( name -- )
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M: string create-collection
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<mdb-collection> create-collection ;
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M: mdb-collection create-collection ( mdb-collection -- )
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[ cmd-collection ] dip
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<linked-hash> [
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[ [ name>> "create" ] dip set-at ]
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[ [ [ capped>> ] keep ] dip
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'[ _ _
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[ [ drop t "capped" ] dip set-at ]
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[ [ size>> "size" ] dip set-at ]
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[ [ max>> "max" ] dip set-at ] 2tri ] when
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] 2bi
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] keep <mdb-query-msg> 1 >>return# send-query-plain
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objects>> first check-ok
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[ "could not create collection" throw ] unless ;
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: load-collection-list ( -- collection-list )
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namespaces-collection
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H{ } clone <mdb-query-msg> send-query-plain objects>> ;
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<PRIVATE
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: ensure-valid-collection-name ( collection -- )
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[ ";$." intersect length 0 > ] keep
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'[ _ "%s contains invalid characters ( . $ ; )" sprintf throw ] when ; inline
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: (ensure-collection) ( collection -- )
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mdb-instance collections>> dup keys length 0 =
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[ load-collection-list
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[ [ "options" ] dip key? ] filter
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[ [ "name" ] dip at "." split second <mdb-collection> ] map
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over '[ [ ] [ name>> ] bi _ set-at ] each ] [ ] if
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[ dup ] dip key? [ drop ]
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[ [ ensure-valid-collection-name ] keep create-collection ] if ; inline
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MEMO: reserved-namespace? ( name -- ? )
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[ "$cmd" = ] [ "system" head? ] bi or ;
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PRIVATE>
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MEMO: ensure-collection ( collection -- fq-collection )
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dup mdb-collection? [ name>> ] when
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"." split1 over mdb-instance name>> =
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[ nip ] [ drop ] if
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[ ] [ reserved-namespace? ] bi
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[ [ (ensure-collection) ] keep ] unless
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[ mdb-instance name>> ] dip "%s.%s" sprintf ; inline
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: <query> ( collection query -- mdb-query )
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[ ensure-collection ] dip
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<mdb-query-msg> ; inline
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GENERIC# limit 1 ( mdb-query limit# -- mdb-query )
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M: mdb-query-msg limit ( query limit# -- mdb-query )
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>>return# ; inline
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GENERIC# skip 1 ( mdb-query skip# -- mdb-query )
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M: mdb-query-msg skip ( query skip# -- mdb-query )
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>>skip# ; inline
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: asc ( key -- spec ) [ 1 ] dip H{ } clone [ set-at ] keep ; inline
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: desc ( key -- spec ) [ -1 ] dip H{ } clone [ set-at ] keep ; inline
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GENERIC# sort 1 ( mdb-query quot -- mdb-query )
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M: mdb-query-msg sort ( query qout -- mdb-query )
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[ { } ] dip with-datastack >>orderby ;
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GENERIC# hint 1 ( mdb-query index-hint -- mdb-query )
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M: mdb-query-msg hint ( mdb-query index-hint -- mdb-query )
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>>hint ;
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GENERIC: get-more ( mdb-cursor -- mdb-cursor objects )
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M: mdb-cursor get-more ( mdb-cursor -- mdb-cursor objects )
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[ [ collection>> ] [ return#>> ] [ id>> ] tri <mdb-getmore-msg> send-query ]
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[ f f ] if* ;
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GENERIC: find ( mdb-query -- cursor result )
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M: mdb-query-msg find
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send-query ;
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M: mdb-cursor find
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get-more ;
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GENERIC: explain. ( mdb-query -- )
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M: mdb-query-msg explain.
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t >>explain find nip . ;
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GENERIC: find-one ( mdb-query -- result/f )
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M: mdb-query-msg find-one
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1 >>return# send-query-plain objects>>
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dup empty? [ drop f ] [ first ] if ;
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GENERIC: count ( collection selector -- result )
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M: assoc count
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[ "count" H{ } clone [ set-at ] keep ] dip
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[ over [ "query" ] dip set-at ] when*
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[ cmd-collection ] dip <mdb-query-msg> find-one
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[ check-ok ] keep '[ "n" _ at >fixnum ] [ f ] if ;
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: lasterror ( -- error )
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cmd-collection H{ { "getlasterror" 1 } } <mdb-query-msg>
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find-one [ "err" ] dip at ;
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GENERIC: validate. ( collection -- )
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M: string validate.
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[ cmd-collection ] dip
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"validate" H{ } clone [ set-at ] keep
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<mdb-query-msg> find-one [ check-ok ] keep
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'[ "result" _ at print ] when ;
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M: mdb-collection validate.
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name>> validate. ;
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<PRIVATE
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: send-message-check-error ( message -- )
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send-message lasterror [ [ MDB-GENERAL-ERROR ] dip mdb-error ] when* ;
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PRIVATE>
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GENERIC: save ( collection assoc -- )
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M: assoc save
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[ ensure-collection ] dip
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<mdb-insert-msg> send-message-check-error ;
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GENERIC: save-unsafe ( collection object -- )
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M: assoc save-unsafe
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[ ensure-collection ] dip
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<mdb-insert-msg> send-message ;
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GENERIC: ensure-index ( collection name spec -- )
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M: assoc ensure-index
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H{ } clone
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[ [ uuid1 "_id" ] dip set-at ] keep
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[ [ "key" ] dip set-at ] keep
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[ [ "name" ] dip set-at ] keep
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[ [ index-ns "ns" ] dip set-at ] keep
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[ index-collection ] dip
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save ;
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: drop-index ( collection name -- )
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H{ } clone
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[ [ "index" ] dip set-at ] keep
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[ [ "deleteIndexes" ] dip set-at ] keep
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[ cmd-collection ] dip <mdb-query-msg> find-one
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check-ok [ "could not drop index" throw ] unless ;
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: <update> ( collection selector object -- update-msg )
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[ ensure-collection ] 2dip <mdb-update-msg> ;
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: >upsert ( mdb-update-msg -- mdb-update-msg )
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1 >>upsert? ;
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GENERIC: update ( mdb-update-msg -- )
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M: mdb-update-msg update
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send-message-check-error ;
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GENERIC: update-unsafe ( mdb-update-msg -- )
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M: mdb-update-msg update-unsafe
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send-message ;
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GENERIC: delete ( collection selector -- )
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M: assoc delete
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[ ensure-collection ] dip
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<mdb-delete-msg> send-message-check-error ;
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GENERIC: delete-unsafe ( collection selector -- )
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M: assoc delete-unsafe
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[ ensure-collection ] dip
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<mdb-delete-msg> send-message ;
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: load-index-list ( -- index-list )
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index-collection
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H{ } clone <mdb-query-msg> find nip ;
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: drop-collection ( name -- )
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[ cmd-collection ] dip
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"drop" H{ } clone [ set-at ] keep
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<mdb-query-msg> find-one check-ok
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[ "could not drop collection" throw ] unless ;
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