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54 lines
2.3 KiB
54 lines
2.3 KiB
namespace Dapper
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{
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partial class SqlMapper
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{
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/// <summary>
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/// Permits specifying certain SqlMapper values globally.
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/// </summary>
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public static class Settings
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{
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static Settings()
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{
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SetDefaults();
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}
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/// <summary>
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/// Resets all Settings to their default values
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/// </summary>
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public static void SetDefaults()
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{
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CommandTimeout = null;
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ApplyNullValues = false;
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}
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/// <summary>
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/// Specifies the default Command Timeout for all Queries
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/// </summary>
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public static int? CommandTimeout { get; set; }
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/// <summary>
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/// Indicates whether nulls in data are silently ignored (default) vs actively applied and assigned to members
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/// </summary>
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public static bool ApplyNullValues { get; set; }
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/// <summary>
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/// Should list expansions be padded with null-valued parameters, to prevent query-plan saturation? For example,
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/// an 'in @foo' expansion with 7, 8 or 9 values will be sent as a list of 10 values, with 3, 2 or 1 of them null.
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/// The padding size is relative to the size of the list; "next 10" under 150, "next 50" under 500,
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/// "next 100" under 1500, etc.
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/// </summary>
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/// <remarks>
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/// Caution: this should be treated with care if your DB provider (or the specific configuration) allows for null
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/// equality (aka "ansi nulls off"), as this may change the intent of your query; as such, this is disabled by
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/// default and must be enabled.
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/// </remarks>
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public static bool PadListExpansions { get; set; }
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/// <summary>
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/// If set (non-negative), when performing in-list expansions of integer types ("where id in @ids", etc), switch to a string_split based
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/// operation if there are more than this many elements. Note that this feautre requires SQL Server 2016 / compatibility level 130 (or above).
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/// </summary>
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public static int InListStringSplitCount { get; set; } = -1;
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}
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}
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}
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