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simple-sql-parser/tools/Language/SQL/SimpleSQL/Odbc.lhs

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2016-02-21 22:43:19 +01:00
> module Language.SQL.SimpleSQL.Odbc (odbcTests) where
> import Language.SQL.SimpleSQL.TestTypes
> import Language.SQL.SimpleSQL.Syntax
> odbcTests :: TestItem
> odbcTests = Group "odbc" [
> Group "datetime" [
> e "{d '2000-01-01'}" (OdbcLiteral OLDate "2000-01-01")
> ,e "{t '12:00:01.1'}" (OdbcLiteral OLTime "12:00:01.1")
> ,e "{ts '2000-01-01 12:00:01.1'}"
> (OdbcLiteral OLTimestamp "2000-01-01 12:00:01.1")
> ]
> ,Group "functions" [
> e "{fn CHARACTER_LENGTH(string_exp)}"
> $ OdbcFunc (ap "CHARACTER_LENGTH" [iden "string_exp"])
> ,e "{fn EXTRACT(day from t)}"
> $ OdbcFunc (SpecialOpK [Name Nothing "extract"] (Just $ Iden [Name Nothing "day"]) [("from", Iden [Name Nothing "t"])])
> ,e "{fn now()}"
> $ OdbcFunc (ap "now" [])
> ,e "{fn CONVERT('2000-01-01', SQL_DATE)}"
> $ OdbcFunc (ap "CONVERT"
> [StringLit "'" "'" "2000-01-01"
> ,iden "SQL_DATE"])
> ,e "{fn CONVERT({fn CURDATE()}, SQL_DATE)}"
> $ OdbcFunc (ap "CONVERT"
> [OdbcFunc (ap "CURDATE" [])
> ,iden "SQL_DATE"])
> ]
> {-,Group "outer join" [
> ParseQueryExpr defaultParseFlags
> "select * from {oj t1 left outer join t2 on true}"
> $ makeSelect
> {selSelectList = sl [si $ Star ea]
> ,selTref = [OdbcTableRef ea (JoinTref ea (tref "t1") Unnatural LeftOuter Nothing
> (tref "t2") (Just $ JoinOn ea (BooleanLit ea True)))]}]
> ,Group "check parsing bugs" [
> ParseQueryExpr defaultParseFlags
> "select {fn CONVERT(cint,SQL_BIGINT)} from t;"
> $ makeSelect
> {selSelectList = sl [si $ OdbcFunc ea (App ea (name "CONVERT")
> [ei "cint"
> ,ei "SQL_BIGINT"])]
> ,selTref = [tref "t"]}]-}
> ]
> where
> e = TestValueExpr ansi2011 {allowOdbc = True}
> --tsql = ParseProcSql defaultParseFlags {pfDialect=sqlServerDialect}
> ap n = App [Name Nothing n]
> iden n = Iden [Name Nothing n]