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relational-record: apply replaced types.
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Kei Hibino
parent
c66cc46575
commit
17091a2d6c
@ -17,6 +17,7 @@ library
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Database.Relational.Documentation
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build-depends: base <5
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, product-isomorphic >= 0.0.3
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, persistable-record >= 0.5
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, relational-query >=0.9
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, relational-query-HDBC
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@ -53,12 +53,12 @@ module Database.Relational.Documentation (
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UpdateTarget, updateTarget,
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Restriction, restriction,
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-- ** Projection
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-- $projection
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-- ** Record
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-- $record
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-- *** Projection Type
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-- $projectionType
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Projection,
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-- *** Record Type
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-- $recordType
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Record,
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Flat, Aggregated,
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@ -69,7 +69,7 @@ module Database.Relational.Documentation (
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Pi, (!), (<.>),
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-- *** Projection Operators
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-- $projectionOperators
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-- $recordOperators
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ShowConstantTermsSQL,
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value, values,
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@ -104,8 +104,8 @@ module Database.Relational.Documentation (
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-- $setOperators
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union, except, intersect,
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-- ** Maybe Projections
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-- $maybeProjection
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-- ** Maybe Records
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-- $maybeRecord
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just, flattenMaybe,
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(?!), (?!?),
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@ -129,8 +129,8 @@ module Database.Relational.Documentation (
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-- ** Record Mapping
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-- $recordMapping
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ProductConstructor,
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ProjectableFunctor (..),
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ProjectableApplicative (..),
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ProductIsoFunctor (..),
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ProductIsoApplicative (..),
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(><),
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-- ** Database Statements
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@ -197,6 +197,7 @@ module Database.Relational.Documentation (
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) where
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import Data.Functor.ProductIsomorphic
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import Database.Relational
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import Database.Record (RecordFromSql, FromSql, RecordToSql, ToSql)
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import Database.HDBC.Record
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@ -210,7 +211,7 @@ User interface of Relational Record has main two part of modules.
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-}
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{- $queryBuildingDSL
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Relational Query ("Database.Relational.Query") module
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Relational Query ("Database.Relational") module
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defines Typed DSL to build complex SQL query.
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-}
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@ -224,14 +225,14 @@ Some operators are defined to build query structures in monadic context.
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'query' and 'queryMaybe' operators grow query product of monadic context like join operation of SQL.
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'on' operator appends a new condition into recent join product condition.
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'groupBy' operator aggregates flat projection value, and can be used only in 'MonadAggregate' context.
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'groupBy' operator aggregates flat record value, and can be used only in 'MonadAggregate' context.
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'wheres' and 'having' operators appends a new condition into whole query condition.
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'having' only accepts aggregated projection value, and can be used only in 'MonadRestrict' 'Aggregated' context.
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'having' only accepts aggregated record value, and can be used only in 'MonadRestrict' 'Aggregated' context.
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'distinct' operator and 'all'' operator specify SELECT DISTINCT or SELECT ALL, the last specified in monad is used.
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'<-#' operator assigns update target column and projection value to build update statement structure.
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'<-#' operator assigns update target column and record value to build update statement structure.
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-}
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{- $directJoin
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@ -258,12 +259,12 @@ which can be used as update statement.
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which can be used as delete statement.
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-}
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{- $projection
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SQL expression can be projected to Haskell phantom type in this DSL.
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{- $record
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SQL expression corresponds to Haskell record phantom type in this DSL.
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-}
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{- $projectionType
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'Projection' /c/ /t/ is SQL value type projection to Haskell type with context type /c/ correspond Haskell type /t/.
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{- $recordType
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'Record' /c/ /a/ is projected SQL value type corresponding to Haskell record type /a/ with context type /c/.
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'Flat' is not aggregated query context type,
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'Aggregated' is aggregated query context type,
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@ -273,24 +274,24 @@ Module "Database.Relational.Context" contains documentation of other context typ
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-}
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{- $projectionPath
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'!' operator is projected value selector using projection path type 'Pi' /r0/ /r1/.
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'!' operator is record value selector using projection path type 'Pi' /r0/ /r1/.
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'Pi' /r0/ /r1/ is projection path type selecting column type /r1/ from record type /r0/.
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'<.>' operator makes composed projection path from two projection paths.
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-}
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{- $projectionOperators
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Some operators are defined to calculate projected values.
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{- $recordOperators
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Some operators are defined to calculate record values.
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For example,
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'value' operator projects from Haskell value into 'Projection' corresponding SQL row value,
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which projection is implicitly specified by 'ShowConstantTermsSQL' class.
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'value' operator lifts from Haskell value into 'Record' corresponding SQL row value,
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which conversion is implicitly specified by 'ShowConstantTermsSQL' class.
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Generic programming with default signature is available to define instances of 'ShowConstantTermsSQL'.
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'values' operator projects from Haskell list value into 'ListProjection', corresponding SQL set value,
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'.=.' operator is equal compare operation of projected value correspond to SQL =,
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'.+.' operator is plus operation of projected value correspond to SQL +, and so on.
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'values' operator converts from Haskell list value into 'RecordList', corresponding SQL set value,
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'.=.' operator is equal compare operation of record value correspond to SQL =,
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'.+.' operator is plus operation of record value correspond to SQL +, and so on.
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Module "Database.Relational.Projectable" contains documentation of other projection operators.
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Module "Database.Relational.Projectable" contains documentation of other record operators.
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-}
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{- $aggregateFunctions
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@ -298,11 +299,11 @@ Typed aggregate function operators are defined.
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Aggregated value types is distinguished with Flat value types.
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For example,
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'sum'' operator is aggregate function of projected flat (not aggregated) value
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'sum'' operator is aggregate function of flat (not aggregated) record value
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correspond to SQL SUM(...),
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'rank' operator is window function of projected value correspond to SQL RANK(), and so on.
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'rank' operator is window function of record value correspond to SQL RANK(), and so on.
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To convert window function result into normal projection, use the 'over' operator with built 'Window' monad.
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To convert window function result into normal record, use the 'over' operator with built 'Window' monad.
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Module "Database.Relational.Projectable" contains documentation of
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other aggregate function operators and window function operators.
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@ -316,13 +317,13 @@ Several operators are defined to manipulate relation set.
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'intersect' operator makes intersection relation set of two relation set correspond to SQL INTERSECT.
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-}
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{- $maybeProjection
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Some operators are provided to manage projections with 'Maybe' phantom type.
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{- $maybeRecord
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Some operators are provided to manage records with 'Maybe' phantom type.
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'just' operator creates 'Maybe' typed projection,
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'flattenMaybe' operator joins nested 'Maybe' typed projection.
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'just' operator creates 'Maybe' typed record,
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'flattenMaybe' operator joins nested 'Maybe' typed record.
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'Maybe' type flavor of operators against projection path, projection and aggregation are also provided.
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'Maybe' type flavor of operators against projection path, record and aggregation are also provided.
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For example,
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'?!' operator is maybe flavor of '!',
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@ -333,13 +334,13 @@ For example,
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'negateMaybe' operator is maybe flavor of 'negate'',
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'sumMaybe' operator is maybe flavor of 'sum''.
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Module "Database.Relational.Projectable" and "Database.Relational.Query.ProjectableExtended"
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contain documentation of other 'Maybe' flavor projection operators.
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Module "Database.Relational.Projectable" and "Database.Relational.ProjectableExtended"
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contain documentation of other 'Maybe' flavor operators.
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-}
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{- $placeholders
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'placeholders' operator takes
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a lambda-form which argument is 'Projection' typed placeholders and its scope is restricted by that lambda-form
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a lambda-form which argument is 'Record' typed placeholders and its scope is restricted by that lambda-form
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and then creates dummy value with 'Placeholders' typed which propagate placeholder type information into 'Relation' layer.
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Placeholders' flavor of operators against query operation and set operation are also provided, to realize type safe placeholders.
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@ -347,15 +348,15 @@ Placeholders' flavor of operators against query operation and set operation are
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'query'', 'left'', 'relation'', 'updateTarget'', 'restriction'', and 'union''
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operator are placeholders' flavor 'query', 'left', 'relation', 'updateTarget', 'restriction' and 'union'.
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Module "Database.Relational.Relation" and "Database.Relational.Query.Effect"
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Module "Database.Relational.Relation" and "Database.Relational.Effect"
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contains documentation of other placeholders' flavor operators.
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-}
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{- $recordMapping
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Applicative style record mapping is supported, for 'Projection', 'Pi' and 'PlaceHolders'.
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'|$|' operator can be used on 'ProjectableFunctor' context, and
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'|*|' operator can be used on 'ProjectableApplicative' context with 'ProductConstructor',
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like /Foo |$| projection1 |*| projection2 |*| projection3/
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Applicative style record mapping is supported, for 'Record', 'Pi' and 'PlaceHolders'.
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'|$|' operator can be used on 'ProductIsoFunctor' context, and
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'|*|' operator can be used on 'ProductIsoApplicative' context with 'ProductConstructor',
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like /Foo |$| record1 |*| record2 |*| record3/
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, /Foo |$| placeholders1 |*| placeholders2 |*| placeholders3/, and so on.
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'><' operator constructs pair result. /x >< y/ is the same as /(,) |$| x |*| y/.
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