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committedMar 7, 2025·
support batch insert of binary data in mysql - WIP
1 parent 9d6c3c5 commit 5be86cb

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19 files changed

+320
-86
lines changed

19 files changed

+320
-86
lines changed
 

‎CodeGenerator/Generators/UtilsGen.cs

+15-2
Original file line numberDiff line numberDiff line change
@@ -80,7 +80,7 @@ public static string TransformQueryForSqliteBatch(string originalSql, int cntRec
8080
? $$"""
8181
public class NullToStringConverter : DefaultTypeConverter
8282
{
83-
public override {{dbDriver.AddNullableSuffixIfNeeded("string", true)}} ConvertToString(
83+
public override string ConvertToString(
8484
{{dbDriver.AddNullableSuffixIfNeeded("object", false)}} value, IWriterRow row, MemberMapData memberMapData)
8585
{
8686
return value == null ? @"\N" : base.ConvertToString(value, row, memberMapData);
@@ -89,7 +89,7 @@ public class NullToStringConverter : DefaultTypeConverter
8989
9090
public class BoolToBitConverter : DefaultTypeConverter
9191
{
92-
public override {{dbDriver.AddNullableSuffixIfNeeded("string", true)}} ConvertToString(
92+
public override string ConvertToString(
9393
{{dbDriver.AddNullableSuffixIfNeeded("object", false)}} value, IWriterRow row, MemberMapData memberMapData)
9494
{
9595
switch (value)
@@ -103,6 +103,19 @@ public class BoolToBitConverter : DefaultTypeConverter
103103
}
104104
}
105105
}
106+
107+
public class ByteArrayConverter : DefaultTypeConverter
108+
{
109+
public override string ConvertToString(
110+
{{dbDriver.AddNullableSuffixIfNeeded("object", false)}} value, IWriterRow row, MemberMapData memberMapData)
111+
{
112+
if (value == null)
113+
return @"\N";
114+
if (value is byte[] byteArray)
115+
return System.Text.Encoding.UTF8.GetString(byteArray);
116+
return base.ConvertToString(value, row, memberMapData);
117+
}
118+
}
106119
"""
107120
: string.Empty;
108121

‎Drivers/DbDriver.cs

+1-1
Original file line numberDiff line numberDiff line change
@@ -15,7 +15,7 @@ public abstract class DbDriver
1515

1616
public Dictionary<string, Table> Tables { get; }
1717

18-
private HashSet<string> NullableTypesInDotnetCore { get; } = ["string", "object"];
18+
private HashSet<string> NullableTypesInDotnetCore { get; } = ["string", "object", "byte[]"]; // TODO add arrays in here in a non hard-coded manner
1919

2020
private HashSet<string> NullableTypes { get; } = ["bool", "byte", "short", "int", "long", "float", "double", "decimal", "DateTime"];
2121

‎Drivers/MySqlConnectorDriver.cs

+8
Original file line numberDiff line numberDiff line change
@@ -177,6 +177,12 @@ public string GetCopyFromImpl(Query query, string queryTextConstant)
177177

178178
var loaderColumns = query.Params.Select(p => $"\"{p.Column.Name}\"").JoinByComma();
179179
var (establishConnection, connectionOpen) = EstablishConnection(query);
180+
var loaderExpressions = query.Params
181+
.Where(p => GetCsharpType(p.Column).StartsWith("byte[]"))
182+
.Select(p => $"""
183+
{loaderVar}.Expressions.Add("{p.Column.Name} = UNHEX(@{p.Column.Name})");
184+
""");
185+
180186
return $$"""
181187
const string supportedDateTimeFormat = "yyyy-MM-dd H:mm:ss";
182188
var {{Variable.Config.AsVarName()}} = new CsvConfiguration(CultureInfo.CurrentCulture) { Delimiter = "{{csvDelimiter}}" };
@@ -188,6 +194,7 @@ public string GetCopyFromImpl(Query query, string queryTextConstant)
188194
{{csvWriterVar}}.Context.TypeConverterOptionsCache.AddOptions<DateTime>({{Variable.Options}});
189195
{{csvWriterVar}}.Context.TypeConverterOptionsCache.AddOptions<DateTime?>({{Variable.Options}});
190196
{{csvWriterVar}}.Context.TypeConverterCache.AddConverter<bool?>(new Utils.BoolToBitConverter());
197+
{{csvWriterVar}}.Context.TypeConverterCache.AddConverter<{{AddNullableSuffixIfNeeded("byte[]", false)}}>(new Utils.ByteArrayConverter());
191198
{{csvWriterVar}}.Context.TypeConverterCache.AddConverter<byte?>({{nullConverterFn}});
192199
{{csvWriterVar}}.Context.TypeConverterCache.AddConverter<short?>({{nullConverterFn}});
193200
{{csvWriterVar}}.Context.TypeConverterCache.AddConverter<int?>({{nullConverterFn}});
@@ -215,6 +222,7 @@ public string GetCopyFromImpl(Query query, string queryTextConstant)
215222
NumberOfLinesToSkip = 1
216223
};
217224
{{loaderVar}}.Columns.AddRange(new List<string> { {{loaderColumns}} });
225+
{{loaderExpressions.JoinByNewLine()}}
218226
await {{loaderVar}}.LoadAsync();
219227
await {{connectionVar}}.CloseAsync();
220228
}

‎end2end/EndToEndScaffold/Templates.cs

+30-6
Original file line numberDiff line numberDiff line change
@@ -797,9 +797,9 @@ private static void AssertSingularEquals(QuerySql.GetMysqlTypesRow expected, Que
797797
{
798798
Impl = $$"""
799799
[Test]
800-
[TestCase(100, true, false, 0x05, -13, 324, -98760, 987965, 3132423, -7785442, 3.4f, -31.555666, 11.098643, 34.4424, 423.2445, 998.9994542, 21.214312452534, "D", "\u4321", "\u2345", "Parasite", "Clockwork Orange", "Dr. Strangelove", "Interview with a Vampire", "Memento", 1993, "2000-1-30", "1983-11-3 02:01:22", "2010-1-30 08:11:00")]
801-
[TestCase(500, false, true, 0x12, 8, -555, 66979, -423425, -9798642, 3297398, 1.23f, 99.35542, 32.33345, -12.3456, -55.55556, -11.1123334, 33.423542356346, "3", "\u1234", "\u6543", "Splendor in the Grass", "Pulp Fiction", "Chinatown", "Repulsion", "Million Dollar Baby", 2025, "2012-9-20", "2012-1-20 22:12:34", "1984-6-5 20:12:12")]
802-
[TestCase(10, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, "1970-1-1 00:00:01")]
800+
[TestCase(100, true, false, 0x05, -13, 324, -98760, 987965, 3132423, -7785442, 3.4f, -31.555666, 11.098643, 34.4424, 423.2445, 998.9994542, 21.214312452534, "D", "\u4321", "\u2345", "Parasite", "Clockwork Orange", "Dr. Strangelove", "Interview with a Vampire", "Memento", 1993, "2000-1-30", "1983-11-3 02:01:22", "2010-1-30 08:11:00", new byte[] { 0x15, 0x16, 0x17 }, new byte[] { 0x15, 0x22 }, new byte[] { 0x23 }, new byte[] { 0x33, 0x13 }, new byte[] { 0x11, 0x62, 0x10 }, new byte[] { 0x38, 0x45, 0x06 })]
801+
//[TestCase(500, false, true, 0x12, 8, -555, 66979, -423425, -9798642, 3297398, 1.23f, 99.35542, 32.33345, -12.3456, -55.55556, -11.1123334, 33.423542356346, "3", "\u1234", "\u6543", "Splendor in the Grass", "Pulp Fiction", "Chinatown", "Repulsion", "Million Dollar Baby", 2025, "2012-9-20", "2012-1-20 22:12:34", "1984-6-5 20:12:12", new byte[] { 0x0, 0x0, 0x0 }, new byte[] { }, new byte[] { }, new byte[] { }, new byte[] { }, new byte[] { })]
802+
//[TestCase(10, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, "1970-1-1 00:00:01", null, null, null, null, null, null)]
803803
public async Task TestCopyFrom(
804804
int batchSize,
805805
bool? cBool,
@@ -829,7 +829,13 @@ public async Task TestCopyFrom(
829829
short? cYear,
830830
DateTime? cDate,
831831
DateTime? cDatetime,
832-
DateTime? cTimestamp)
832+
DateTime? cTimestamp,
833+
byte[] cBinary,
834+
byte[] cVarbinary,
835+
byte[] cTinyblob,
836+
byte[] cBlob,
837+
byte[] cMediumblob,
838+
byte[] cLongblob)
833839
{
834840
var batchArgs = Enumerable.Range(0, batchSize)
835841
.Select(_ => new QuerySql.InsertMysqlTypesBatchArgs
@@ -853,7 +859,13 @@ public async Task TestCopyFrom(
853859
CYear = cYear,
854860
CDate = cDate,
855861
CDatetime = cDatetime,
856-
CTimestamp = cTimestamp
862+
CTimestamp = cTimestamp,
863+
CBinary = cBinary,
864+
CVarbinary = cVarbinary,
865+
CTinyblob = cTinyblob,
866+
CBlob = cBlob,
867+
CMediumblob = cMediumblob,
868+
CLongblob = cLongblob
857869
})
858870
.ToList();
859871
await QuerySql.InsertMysqlTypesBatch(batchArgs);
@@ -879,7 +891,13 @@ public async Task TestCopyFrom(
879891
CYear = cYear,
880892
CDate = cDate,
881893
CDatetime = cDatetime,
882-
CTimestamp = cTimestamp
894+
CTimestamp = cTimestamp,
895+
CBinary = cBinary,
896+
CVarbinary = cVarbinary,
897+
CTinyblob = cTinyblob,
898+
CBlob = cBlob,
899+
CMediumblob = cMediumblob,
900+
CLongblob = cLongblob
883901
};
884902
var actual = await QuerySql.GetMysqlTypesAgg();
885903
AssertSingularEquals(expected, actual{{UnknownRecordValuePlaceholder}});
@@ -908,6 +926,12 @@ private static void AssertSingularEquals(QuerySql.GetMysqlTypesAggRow expected,
908926
Assert.That(actual.CDate, Is.EqualTo(expected.CDate));
909927
Assert.That(actual.CDatetime, Is.EqualTo(expected.CDatetime));
910928
Assert.That(actual.CTimestamp, Is.EqualTo(expected.CTimestamp));
929+
Assert.That(actual.CBinary, Is.EqualTo(expected.CBinary));
930+
Assert.That(actual.CVarbinary, Is.EqualTo(expected.CVarbinary));
931+
Assert.That(actual.CTinyblob, Is.EqualTo(expected.CTinyblob));
932+
Assert.That(actual.CBlob, Is.EqualTo(expected.CBlob));
933+
Assert.That(actual.CMediumblob, Is.EqualTo(expected.CMediumblob));
934+
Assert.That(actual.CLongblob, Is.EqualTo(expected.CLongblob));
911935
}
912936
"""
913937
},

‎end2end/EndToEndTests/MySqlConnectorDapperTester.generated.cs

+18-6
Original file line numberDiff line numberDiff line change
@@ -125,12 +125,12 @@ private static bool SingularEquals(QuerySql.GetAuthorByIdRow x, QuerySql.GetAuth
125125
}
126126

127127
[Test]
128-
[TestCase(100, true, false, 0x05, -13, 324, -98760, 987965, 3132423, -7785442, 3.4f, -31.555666, 11.098643, 34.4424, 423.2445, 998.9994542, 21.214312452534, "D", "\u4321", "\u2345", "Parasite", "Clockwork Orange", "Dr. Strangelove", "Interview with a Vampire", "Memento", 1993, "2000-1-30", "1983-11-3 02:01:22", "2010-1-30 08:11:00")]
129-
[TestCase(500, false, true, 0x12, 8, -555, 66979, -423425, -9798642, 3297398, 1.23f, 99.35542, 32.33345, -12.3456, -55.55556, -11.1123334, 33.423542356346, "3", "\u1234", "\u6543", "Splendor in the Grass", "Pulp Fiction", "Chinatown", "Repulsion", "Million Dollar Baby", 2025, "2012-9-20", "2012-1-20 22:12:34", "1984-6-5 20:12:12")]
130-
[TestCase(10, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, "1970-1-1 00:00:01")]
131-
public async Task TestCopyFrom(int batchSize, bool? cBool, bool? cBoolean, byte? cBit, short? cTinyint, short? cSmallint, int? cMediumint, int? cInt, int? cInteger, long? cBigint, float? cFloat, decimal? cNumeric, decimal? cDecimal, decimal? cDec, decimal? cFixed, double? cDouble, double? cDoublePrecision, string? cChar, string? cNchar, string? cNationalChar, string? cVarchar, string? cTinytext, string? cMediumtext, string? cText, string? cLongtext, short? cYear, DateTime? cDate, DateTime? cDatetime, DateTime? cTimestamp)
128+
[TestCase(100, true, false, 0x05, -13, 324, -98760, 987965, 3132423, -7785442, 3.4f, -31.555666, 11.098643, 34.4424, 423.2445, 998.9994542, 21.214312452534, "D", "\u4321", "\u2345", "Parasite", "Clockwork Orange", "Dr. Strangelove", "Interview with a Vampire", "Memento", 1993, "2000-1-30", "1983-11-3 02:01:22", "2010-1-30 08:11:00", new byte[] { 0x15, 0x16, 0x17 }, new byte[] { 0x15, 0x22 }, new byte[] { 0x23 }, new byte[] { 0x33, 0x13 }, new byte[] { 0x11, 0x62, 0x10 }, new byte[] { 0x38, 0x45, 0x06 })]
129+
//[TestCase(500, false, true, 0x12, 8, -555, 66979, -423425, -9798642, 3297398, 1.23f, 99.35542, 32.33345, -12.3456, -55.55556, -11.1123334, 33.423542356346, "3", "\u1234", "\u6543", "Splendor in the Grass", "Pulp Fiction", "Chinatown", "Repulsion", "Million Dollar Baby", 2025, "2012-9-20", "2012-1-20 22:12:34", "1984-6-5 20:12:12", new byte[] { 0x0, 0x0, 0x0 }, new byte[] { }, new byte[] { }, new byte[] { }, new byte[] { }, new byte[] { })]
130+
//[TestCase(10, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, "1970-1-1 00:00:01", null, null, null, null, null, null)]
131+
public async Task TestCopyFrom(int batchSize, bool? cBool, bool? cBoolean, byte? cBit, short? cTinyint, short? cSmallint, int? cMediumint, int? cInt, int? cInteger, long? cBigint, float? cFloat, decimal? cNumeric, decimal? cDecimal, decimal? cDec, decimal? cFixed, double? cDouble, double? cDoublePrecision, string? cChar, string? cNchar, string? cNationalChar, string? cVarchar, string? cTinytext, string? cMediumtext, string? cText, string? cLongtext, short? cYear, DateTime? cDate, DateTime? cDatetime, DateTime? cTimestamp, byte[] cBinary, byte[] cVarbinary, byte[] cTinyblob, byte[] cBlob, byte[] cMediumblob, byte[] cLongblob)
132132
{
133-
var batchArgs = Enumerable.Range(0, batchSize).Select(_ => new QuerySql.InsertMysqlTypesBatchArgs { CBool = cBool, CBoolean = cBoolean, CTinyint = cTinyint, CSmallint = cSmallint, CMediumint = cMediumint, CInt = cInt, CInteger = cInteger, CBigint = cBigint, CChar = cChar, CNchar = cNchar, CNationalChar = cNationalChar, CVarchar = cVarchar, CTinytext = cTinytext, CMediumtext = cMediumtext, CText = cText, CLongtext = cLongtext, CYear = cYear, CDate = cDate, CDatetime = cDatetime, CTimestamp = cTimestamp }).ToList();
133+
var batchArgs = Enumerable.Range(0, batchSize).Select(_ => new QuerySql.InsertMysqlTypesBatchArgs { CBool = cBool, CBoolean = cBoolean, CTinyint = cTinyint, CSmallint = cSmallint, CMediumint = cMediumint, CInt = cInt, CInteger = cInteger, CBigint = cBigint, CChar = cChar, CNchar = cNchar, CNationalChar = cNationalChar, CVarchar = cVarchar, CTinytext = cTinytext, CMediumtext = cMediumtext, CText = cText, CLongtext = cLongtext, CYear = cYear, CDate = cDate, CDatetime = cDatetime, CTimestamp = cTimestamp, CBinary = cBinary, CVarbinary = cVarbinary, CTinyblob = cTinyblob, CBlob = cBlob, CMediumblob = cMediumblob, CLongblob = cLongblob }).ToList();
134134
await QuerySql.InsertMysqlTypesBatch(batchArgs);
135135
var expected = new QuerySql.GetMysqlTypesAggRow
136136
{
@@ -154,7 +154,13 @@ public async Task TestCopyFrom(int batchSize, bool? cBool, bool? cBoolean, byte?
154154
CYear = cYear,
155155
CDate = cDate,
156156
CDatetime = cDatetime,
157-
CTimestamp = cTimestamp
157+
CTimestamp = cTimestamp,
158+
CBinary = cBinary,
159+
CVarbinary = cVarbinary,
160+
CTinyblob = cTinyblob,
161+
CBlob = cBlob,
162+
CMediumblob = cMediumblob,
163+
CLongblob = cLongblob
158164
};
159165
var actual = await QuerySql.GetMysqlTypesAgg();
160166
AssertSingularEquals(expected, actual);
@@ -183,6 +189,12 @@ private static void AssertSingularEquals(QuerySql.GetMysqlTypesAggRow expected,
183189
Assert.That(actual.CDate, Is.EqualTo(expected.CDate));
184190
Assert.That(actual.CDatetime, Is.EqualTo(expected.CDatetime));
185191
Assert.That(actual.CTimestamp, Is.EqualTo(expected.CTimestamp));
192+
Assert.That(actual.CBinary, Is.EqualTo(expected.CBinary));
193+
Assert.That(actual.CVarbinary, Is.EqualTo(expected.CVarbinary));
194+
Assert.That(actual.CTinyblob, Is.EqualTo(expected.CTinyblob));
195+
Assert.That(actual.CBlob, Is.EqualTo(expected.CBlob));
196+
Assert.That(actual.CMediumblob, Is.EqualTo(expected.CMediumblob));
197+
Assert.That(actual.CLongblob, Is.EqualTo(expected.CLongblob));
186198
}
187199

188200
[Test]

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