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GiorgiGiorgi
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Add support for analyzing plain ADO.NET exceptions
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‎DbExceptionClassifier/Common/Common.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>

‎DbExceptionClassifier/Common/IDbExceptionClassifier.cs

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using System.Data.Common;
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namespace DbExceptionClassifier.Common
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{
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public interface IDbExceptionClassifier
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{
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public bool IsReferenceConstraintError(DbException exception);
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public bool IsCannotInsertNullError(DbException exception);
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public bool IsNumericOverflowError(DbException exception);
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public bool IsUniqueConstraintError(DbException exception);
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public bool IsMaxLengthExceededError(DbException exception);
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}
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}

‎DbExceptionClassifier/Directory.Build.props

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<Project>
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<Import Project="$([MSBuild]::GetPathOfFileAbove('Directory.Build.props', '$(MSBuildThisFileDirectory)../'))" />
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<PropertyGroup Label="Configure assembly names and namespaces">
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<AssemblyName>DbExceptionClassifier.$(MSBuildProjectName)</AssemblyName>
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<RootNamespace>$(AssemblyName)</RootNamespace>
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<PackageId>DbExceptionClassifier.$(MSBuildProjectName)</PackageId>
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</PropertyGroup>
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</Project>

‎DbExceptionClassifier/MySQL.Pomelo/MySQL.Pomelo.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
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<DefineConstants>TRACE;POMELO</DefineConstants>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
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<DefineConstants>TRACE;POMELO</DefineConstants>
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</PropertyGroup>
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<ItemGroup>
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<Compile Include="..\MySQL\MySQLExceptionClassifier.cs" Link="MySQLExceptionClassifier.cs" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="MySqlConnector" Version="2.4.0" />
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</ItemGroup>
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</Project>

‎DbExceptionClassifier/MySQL/MySQL.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="MySql.Data" Version="8.3.0" />
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</ItemGroup>
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</Project>

‎DbExceptionClassifier/MySQL/MySQLExceptionClassifier.cs

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using System.Data.Common;
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using DbExceptionClassifier.Common;
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#if POMELO
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using MySqlConnector;
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namespace DbExceptionClassifier.MySQL.Pomelo;
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#else
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using MySql.Data.MySqlClient;
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namespace DbExceptionClassifier.MySQL;
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#endif
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public class MySQLExceptionClassifier : IDbExceptionClassifier
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{
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private static MySqlErrorCode GetErrorCode(DbException dbException)
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{
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if (dbException is not MySqlException mySqlException)
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{
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return MySqlErrorCode.None;
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}
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#if POMELO
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return mySqlException.ErrorCode;
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#else
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return (MySqlErrorCode)mySqlException.Number;
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#endif
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}
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public bool IsReferenceConstraintError(DbException exception)
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{
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var errorCode = GetErrorCode(exception);
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return errorCode is MySqlErrorCode.NoReferencedRow or
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MySqlErrorCode.RowIsReferenced or
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MySqlErrorCode.NoReferencedRow2 or
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MySqlErrorCode.RowIsReferenced2;
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}
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public bool IsCannotInsertNullError(DbException exception)
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{
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var errorCode = GetErrorCode(exception);
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return errorCode == MySqlErrorCode.ColumnCannotBeNull;
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}
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public bool IsNumericOverflowError(DbException exception)
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{
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var errorCode = GetErrorCode(exception);
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return errorCode == MySqlErrorCode.WarningDataOutOfRange;
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}
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public bool IsUniqueConstraintError(DbException exception)
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{
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var errorCode = GetErrorCode(exception);
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return errorCode == MySqlErrorCode.DuplicateKeyEntry;
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}
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public bool IsMaxLengthExceededError(DbException exception)
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{
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var errorCode = GetErrorCode(exception);
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return errorCode == MySqlErrorCode.DataTooLong;
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}
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}

‎DbExceptionClassifier/Oracle/Oracle.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Oracle.ManagedDataAccess.Core" Version="3.21.120" />
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</ItemGroup>
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</Project>

‎DbExceptionClassifier/Oracle/OracleExceptionClassifier.cs

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using System.Data.Common;
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using DbExceptionClassifier.Common;
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using Oracle.ManagedDataAccess.Client;
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namespace DbExceptionClassifier.Oracle;
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public class OracleExceptionClassifier : IDbExceptionClassifier
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{
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private const int CannotInsertNull = 1400;
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private const int CannotUpdateToNull = 1407;
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private const int UniqueConstraintViolation = 1;
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private const int IntegrityConstraintViolation = 2291;
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private const int ChildRecordFound = 2292;
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private const int NumericOverflow = 1438;
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private const int NumericOrValueError = 12899;
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public bool IsReferenceConstraintError(DbException exception) => exception is OracleException { Number: IntegrityConstraintViolation or ChildRecordFound };
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public bool IsCannotInsertNullError(DbException exception) => exception is OracleException { Number: CannotInsertNull or CannotUpdateToNull };
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public bool IsNumericOverflowError(DbException exception) => exception is OracleException { Number: NumericOverflow };
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public bool IsUniqueConstraintError(DbException exception) => exception is OracleException { Number: UniqueConstraintViolation };
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public bool IsMaxLengthExceededError(DbException exception) => exception is OracleException { Number: NumericOrValueError };
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}

‎DbExceptionClassifier/PostgreSQL/PostgreSQL.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Npgsql" Version="8.0.6" />
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</ItemGroup>
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</Project>

‎DbExceptionClassifier/PostgreSQL/PostgreSQLExceptionClassifier.cs

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using DbExceptionClassifier.Common;
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using Npgsql;
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using System.Data.Common;
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namespace DbExceptionClassifier.PostgreSQL;
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public class PostgreSQLExceptionClassifier : IDbExceptionClassifier
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{
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public bool IsReferenceConstraintError(DbException exception) => exception is PostgresException { SqlState: PostgresErrorCodes.ForeignKeyViolation };
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public bool IsCannotInsertNullError(DbException exception) => exception is PostgresException { SqlState: PostgresErrorCodes.NotNullViolation };
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public bool IsNumericOverflowError(DbException exception) => exception is PostgresException { SqlState: PostgresErrorCodes.NumericValueOutOfRange };
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public bool IsUniqueConstraintError(DbException exception) => exception is PostgresException { SqlState: PostgresErrorCodes.UniqueViolation };
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public bool IsMaxLengthExceededError(DbException exception) => exception is PostgresException { SqlState: PostgresErrorCodes.StringDataRightTruncation };
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}

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