67 lines
2.1 KiB
Forth
67 lines
2.1 KiB
Forth
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namespace CommonCore.Db
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open System
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open System.Data
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module Db =
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// Data Readers
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let toNullable (value : 'a option) =
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match value with
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| None -> DBNull.Value :> obj
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| Some x -> x :> obj
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let tryGetBool (ord : int32) (record : IDataRecord) =
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if ord |> record.IsDBNull then
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None
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else
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ord |> record.GetBoolean |> Some
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let getBool (ord : int32) (record : IDataRecord) =
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match record |> tryGetBool ord with
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| Some x -> x
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| None -> (raise (InvalidOperationException $"Ordinal {ord} is null"))
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let tryGetString (ord : int32) (record : IDataRecord) =
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if ord |> record.IsDBNull then
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None
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else
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ord |> record.GetString |> Some
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let getString (ord : int32) (record : IDataRecord) =
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match record |> tryGetString ord with
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| Some x -> x
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| None -> (raise (InvalidOperationException $"Ordinal {ord} is null"))
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let tryGetInt32 (ord : int32) (record : IDataRecord) =
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if ord |> record.IsDBNull then
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None
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else
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ord |> record.GetInt32 |> Some
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let getInt32 (ord : int32) (record : IDataRecord) =
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match record |> tryGetInt32 ord with
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| Some x -> x
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| None -> (raise (InvalidOperationException $"Ordinal {ord} is null"))
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let tryGetInt64 (ord : int32) (record : IDataRecord) =
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if ord |> record.IsDBNull then
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None
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else
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ord |> record.GetInt64 |> Some
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let getInt64 (ord : int32) (record : IDataRecord) =
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match record |> tryGetInt64 ord with
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| Some x -> x
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| None -> (raise (InvalidOperationException $"Ordinal {ord} is null"))
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let tryGetDateTime (ord : int32) (record : IDataRecord) =
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if ord |> record.IsDBNull then
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None
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else
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ord |> record.GetDateTime |> Some
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let getDateTime (ord : int32) (record : IDataRecord) =
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match record |> tryGetDateTime ord with
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| Some x -> x
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| None -> (raise (InvalidOperationException $"Ordinal {ord} is null"))
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