johnidm / johnidm/QueryDSL4Delphi
Informações quanto a implementação
- Dominant language
- Pascal
- Stars
- 4
- Forks
- 4
- PR merge metrics
- No merged PRs in 30d
Description
Exemplo de como deve ser implementado.
delete from tabela where campo01 = 01 or campo > 02
Delete()
.From( 'tabela' )
.Where().Field( 'campo01' ).Equal( '01' ).Or().Field( 'campo02' ).Larger( 02 )
insert into tabela( campo01, campo02 ) values ( 01, 02 )
Insert()
.Into( 'tabela' )
.Field('campo01').Value( 01 )
.Field('campo02').Value( 02 )
update tabela set campo01 = 01, campo02 = 02 where campo03 < 03 and campo04 in ( 100, 102 )
Update( 'tabela' )
.Field( 'campo01' ).Value( 01 )
.Field( 'campo02' ).Value( 02 )
.Where().Field( 'campo03' ).Less( 03 ).And()
.Field( 'campo04' ).In( [ 100, 102 ] )
select campo01, campo02 from tabela where campo01 = 01 or campo02 <> 02 order by campo01, campo02
Select()
.Field( 'campo01' )
.Field( 'campo02' )
.From( 'tabela' )
.Where
.Field( 'campo01' ).Equal( '01' ).Or
.Field( 'campo02' ).Diff( '02' )
.OrdeBy( ['campo01', 'campo02'] )
select tabela01.campo01 from tabela01 inner join tabela02 on tabela01.campo01 = tabela02.campo02
Select()
.Field'tabela01.campo01')
.From( 'tabela01' )
.Inner().Join('tabela02').On( 'tabela01.campo01' , 'tabela02.campo02' )
Usar a linguagem DSL para fazer as implementações
Materiais que podem ser utilizados
http://sourceforge.net/projects/directsql/?source=recommended
http://sourceforge.net/projects/gasqlparser/?source=recommended
http://sourceforge.net/projects/parserbuilder/
http://www.scifac.ru.ac.za/coco/
http://www.grendelproject.nl/dyacclex/
http://cc.embarcadero.com/Item/26667
https://code.google.com/p/dcocor/
http://sourceforge.net/projects/cocodelphiide/?source=recommended
http://blog.marcocantu.com/blog/introducing_dsl.html
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Assessment
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