haskelldb-0.12: SQL unwrapper for Haskell. Source code Contents Index

Database.HaskellDB.Sql Portability non-portable Stability experimental Maintainer [email protected]

Description

A data type for SQL.

Synopsis

type SqlTable = String type SqlColumn = String data SqlOrder = SqlAsc | SqlDesc data SqlType = SqlType String | SqlType1 String Int | SqlType2 String Int Int data SqlSelect = SqlSelect { options :: [String] attrs :: [(SqlColumn, SqlExpr)] tables :: [(SqlTable, SqlSelect)] criteria :: [SqlExpr] groupby :: [(SqlColumn, SqlExpr)] orderby :: [(SqlExpr, SqlOrder)] extra :: [String] } | SqlBin String SqlSelect SqlSelect | SqlTable SqlTable | SqlEmpty data SqlUpdate = SqlUpdate SqlTable [(SqlColumn, SqlExpr)] [SqlExpr] data SqlDelete = SqlDelete SqlTable [SqlExpr] data SqlInsert = SqlInsert SqlTable [SqlColumn] [SqlExpr] | SqlInsertQuery SqlTable [SqlColumn] SqlSelect data SqlCreate = SqlCreateDB String | SqlCreateTable SqlTable [(SqlColumn, (SqlType, Bool))] data SqlDrop = SqlDropDB String | SqlDropTable SqlTable data SqlExpr = ColumnSqlExpr SqlColumn | BinSqlExpr String SqlExpr SqlExpr | PrefixSqlExpr String SqlExpr | PostfixSqlExpr String SqlExpr | FunSqlExpr String [SqlExpr] | ConstSqlExpr String | CaseSqlExpr [(SqlExpr, SqlExpr)] SqlExpr | ListSqlExpr [SqlExpr] | ExistsSqlExpr SqlSelect newSelect :: SqlSelect

Documentation

type SqlTable = String Source

type SqlColumn = String Source

data SqlOrder Source

Constructors SqlAsc SqlDesc Instances Show SqlOrder

data SqlType Source

Constructors SqlType String SqlType1 String Int SqlType2 String Int Int Instances Show SqlType

data SqlSelect Source

Data type for SQL SELECT statements. Constructors SqlSelect options :: [String] DISTINCT, ALL etc. attrs :: [(SqlColumn, SqlExpr)] result tables :: [(SqlTable, SqlSelect)] FROM criteria :: [SqlExpr] WHERE groupby :: [(SqlColumn, SqlExpr)] GROUP BY orderby :: [(SqlExpr, SqlOrder)] ORDER BY extra :: [String] TOP n, etc. SqlBin String SqlSelect SqlSelect Binary relational operator SqlTable SqlTable Select a whole table. SqlEmpty Empty select. Instances Show SqlSelect

data SqlUpdate Source

Data type for SQL UPDATE statements. Constructors SqlUpdate SqlTable [(SqlColumn, SqlExpr)] [SqlExpr]

data SqlDelete Source

Data type for SQL DELETE statements. Constructors SqlDelete SqlTable [SqlExpr]

data SqlInsert Source

Data type for SQL INSERT statements. Constructors SqlInsert SqlTable [SqlColumn] [SqlExpr] SqlInsertQuery SqlTable [SqlColumn] SqlSelect

data SqlCreate Source

Data type for SQL CREATE statements. Constructors SqlCreateDB String Create a database SqlCreateTable SqlTable [(SqlColumn, (SqlType, Bool))] Create a table.

data SqlDrop Source

Data type representing the SQL DROP statement. Constructors SqlDropDB String Delete a database SqlDropTable SqlTable Delete a table named SqlTable

data SqlExpr Source

Expressions in SQL statements. Constructors ColumnSqlExpr SqlColumn BinSqlExpr String SqlExpr SqlExpr PrefixSqlExpr String SqlExpr PostfixSqlExpr String SqlExpr FunSqlExpr String [SqlExpr] ConstSqlExpr String CaseSqlExpr [(SqlExpr, SqlExpr)] SqlExpr ListSqlExpr [SqlExpr] ExistsSqlExpr SqlSelect Instances Show SqlExpr

newSelect :: SqlSelect Source

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