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Support XML data type for MSSQL #3006

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Support XML data type for MSSQL #3006

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afb1798
Initial plan
Copilot Dec 4, 2025
353b1ea
Add support for XML data type in MSSQL by treating it as string
Copilot Dec 4, 2025
3ce04b9
Add XML column to type_table in MsSql test database schema
Copilot Dec 4, 2025
f4b9b5f
Merge branch 'main' into copilot/support-xml-data-type-mssql
RubenCerna2079 Dec 16, 2025
686ec1e
Merge branch 'main' into copilot/support-xml-data-type-mssql
JerryNixon Jan 21, 2026
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2 changes: 1 addition & 1 deletion src/Core/Models/SqlTypeConstants.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ public static class SqlTypeConstants
{ "varbinary", true }, // SqlDbType.VarBinary
{ "varchar", true }, // SqlDbType.VarChar
{ "sql_variant", false }, // SqlDbType.Variant (unsupported)
{ "xml", false }, // SqlDbType.Xml (unsupported)
{ "xml", true }, // SqlDbType.Xml
{ "date", true }, // SqlDbType.Date
{ "time", true }, // SqlDbType.Time
{ "datetime2", true }, // SqlDbType.DateTime2
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3 changes: 2 additions & 1 deletion src/Core/Services/TypeHelper.cs
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Expand Up @@ -111,7 +111,8 @@ public static class TypeHelper
[SqlDbType.TinyInt] = typeof(byte),
[SqlDbType.UniqueIdentifier] = typeof(Guid),
[SqlDbType.VarBinary] = typeof(byte[]),
[SqlDbType.VarChar] = typeof(string)
[SqlDbType.VarChar] = typeof(string),
[SqlDbType.Xml] = typeof(string)
};

private static Dictionary<SqlDbType, DbType> _sqlDbDateTimeTypeToDbType = new()
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15 changes: 8 additions & 7 deletions src/Service.Tests/DatabaseSchema-MsSql.sql
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Expand Up @@ -229,7 +229,8 @@ CREATE TABLE type_table(
smalldatetime_types smalldatetime,
time_types time,
bytearray_types varbinary(max),
uuid_types uniqueidentifier DEFAULT newid()
uuid_types uniqueidentifier DEFAULT newid(),
xml_types xml
);

CREATE TABLE trees (
Expand Down Expand Up @@ -590,21 +591,21 @@ string_types, nvarchar_string_types,
single_types, float_types, decimal_types,
boolean_types,
date_types, datetime_types, datetime2_types, datetimeoffset_types, smalldatetime_types, time_types,
bytearray_types)
bytearray_types, xml_types)
VALUES
(1, 1, 1, 1, 1, '', '', 0.33, 0.33, 0.333333, 1,
'1999-01-08', '1999-01-08 10:23:54', '1999-01-08 10:23:54.9999999', '1999-01-08 10:23:54.9999999-14:00', '1999-01-08 10:23:54', '10:23:54.9999999',
0xABCDEF0123),
0xABCDEF0123, '<doc><type>report</type></doc>'),
(2, 0, -1, -1, -1, 'lksa;jdflasdf;alsdflksdfkldj', 'lksa;jdflasdf;alsdflksdfkldj', -9.2, -9.2, -9.292929, 0,
'1999-01-08', '1999-01-08 10:23:00', '1999-01-08 10:23:00.9999999', '1999-01-08 10:23:00.9999999+13:00', '1999-01-08 10:23:00', '10:23:00.9999999',
0x98AB7511AABB1234),
0x98AB7511AABB1234, '<author>admin</author>'),
(3, 0, -32768, -2147483648, -9223372036854775808, 'null', 'null', -3.4E38, -1.7E308, 2.929292E-19, 1,
'0001-01-01', '1753-01-01 00:00:00.000', '0001-01-01 00:00:00.0000000', '0001-01-01 00:00:00.0000000+0:00', '1900-01-01 00:00:00', '00:00:00.0000000',
0x00000000),
0x00000000, '<metadata><key>value</key></metadata>'),
(4, 255, 32767, 2147483647, 9223372036854775807, 'null', 'null', 3.4E38, 1.7E308, 2.929292E-14, 1,
'9999-12-31', '9999-12-31 23:59:59', '9999-12-31 23:59:59.9999999', '9999-12-31 23:59:59.9999999+14:00', '2079-06-06', '23:59:59.9999999',
0xFFFFFFFF),
(5, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
0xFFFFFFFF, '<config><setting enabled="true"/></config>'),
(5, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
INSERT INTO type_table(id, uuid_types) values(10, 'D1D021A8-47B4-4AE4-B718-98E89C41A161');
SET IDENTITY_INSERT type_table OFF

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