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fix advanced tuple selects 

select-tuple uses limit 1 now
db4
Doug Coleman 2008-05-30 22:47:38 -05:00
parent cf0ed665bf
commit 4732915a57
4 changed files with 20 additions and 14 deletions
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2
extra/db/postgresql/postgresql.factor
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@ -175,7 +175,7 @@ M: postgresql-db create-sql-statement ( class -- seq )
: drop-table-sql ( table -- statement ) : drop-table-sql ( table -- statement )
[ [
"drop table " 0% 0% ";" 0% drop "drop table " 0% 0% drop
] query-make ; ] query-make ;
M: postgresql-db drop-sql-statement ( class -- seq ) M: postgresql-db drop-sql-statement ( class -- seq )

9
extra/db/queries/queries.factor
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@ -147,7 +147,8 @@ M: db <select-by-slots-statement> ( tuple class -- statement )
number>string " limit " prepend append number>string " limit " prepend append
] curry change-sql drop ; ] curry change-sql drop ;
: make-advanced-statement ( tuple advanced -- ) : make-advanced-statement ( tuple advanced -- tuple' )
dupd
{ {
[ group>> [ do-group ] [ drop ] if* ] [ group>> [ do-group ] [ drop ] if* ]
[ order>> [ do-order ] [ drop ] if* ] [ order>> [ do-order ] [ drop ] if* ]
@ -155,6 +156,6 @@ M: db <select-by-slots-statement> ( tuple class -- statement )
[ offset>> [ do-offset ] [ drop ] if* ] [ offset>> [ do-offset ] [ drop ] if* ]
} 2cleave ; } 2cleave ;
M: db <advanced-select-statement> ( tuple class advanced -- tuple ) M: db <advanced-select-statement> ( tuple class group order limit offset -- tuple )
>r <select-by-slots-statement> r> advanced-statement boa
dupd make-advanced-statement ; [ <select-by-slots-statement> ] dip make-advanced-statement ;

2
extra/db/sql/sql-tests.factor
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@ -4,9 +4,11 @@ IN: db.sql.tests
! TUPLE: person name age ; ! TUPLE: person name age ;
: insert-1 : insert-1
{ insert { insert
{
{ table "person" } { table "person" }
{ columns "name" "age" } { columns "name" "age" }
{ values "erg" 26 } { values "erg" 26 }
}
} ; } ;
: update-1 : update-1

15
extra/db/tuples/tuples.factor
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@ -43,7 +43,7 @@ HOOK: <update-tuple-statement> db ( class -- obj )
HOOK: <delete-tuples-statement> db ( tuple class -- obj ) HOOK: <delete-tuples-statement> db ( tuple class -- obj )
HOOK: <select-by-slots-statement> db ( tuple class -- tuple ) HOOK: <select-by-slots-statement> db ( tuple class -- tuple )
TUPLE: advanced-statement group order offset limit ; TUPLE: advanced-statement group order offset limit ;
HOOK: <advanced-select-statement> db ( tuple class advanced -- tuple ) HOOK: <advanced-select-statement> db ( tuple class group order offset limit -- tuple )
HOOK: insert-tuple* db ( tuple statement -- ) HOOK: insert-tuple* db ( tuple statement -- )
@ -143,9 +143,12 @@ M: retryable execute-statement* ( statement type -- )
[ bind-tuple ] keep execute-statement [ bind-tuple ] keep execute-statement
] with-disposal ; ] with-disposal ;
: select-tuples ( tuple -- tuples ) : do-select ( exemplar-tuple statement -- tuples )
dup dup class <select-by-slots-statement> [ [ [ bind-tuple ] [ query-tuples ] 2bi ] with-disposal ;
[ bind-tuple ] [ query-tuples ] 2bi
] with-disposal ;
: select-tuple ( tuple -- tuple/f ) select-tuples ?first ; : select-tuples ( tuple -- tuples )
dup dup class <select-by-slots-statement> do-select ;
: select-tuple ( tuple -- tuple/f )
dup dup class f f f 1 <advanced-select-statement>
do-select ?first ;