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Preserve batch terminators in migration scripts for SQL operations with GO separators #37810

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Merged
AndriySvyryd merged 8 commits into from
Feb 27, 2026
Merged

Preserve batch terminators in migration scripts for SQL operations with GO separators #37810

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1955a6a
Initial plan
Copilot Feb 27, 2026
5ce419b
Fix migration script to emit batch terminators between commands withi…
Copilot Feb 27, 2026
5f294ad
Keep BEGIN TRANSACTION and COMMIT in the same batch as commands
Copilot Feb 27, 2026
a5867c8
Revert Migrator.cs change; fix GO handling in SqlServerMigrationsSqlG…
Copilot Feb 27, 2026
687aae2
Add test for SqlOperation with suppressTransaction and multiple GO se…
Copilot Feb 27, 2026
e314e9b
Preserve GO N count in script mode; update test to use GO 2
Copilot Feb 27, 2026
64102e8
Simplify: skip GO parsing in script mode, pass SQL through as-is via …
Copilot Feb 27, 2026
f17adbd
Append line end only if SQL doesn't end with one; update baselines fo…
Copilot Feb 27, 2026
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24 changes: 22 additions & 2 deletions src/EFCore.SqlServer/Migrations/SqlServerMigrationsSqlGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1587,6 +1587,8 @@ protected override void Generate(SqlOperation operation, IModel? model, Migratio
.Replace("\\\r\n", "")
.Split(["\r\n", "\n"], StringSplitOptions.None);

var isScript = Options.HasFlag(MigrationsSqlGenerationOptions.Script);
var hasPendingBatch = false;
var state = ParsingState.Normal;
var batchBuilder = new StringBuilder();
foreach (var line in preBatched)
Expand Down Expand Up @@ -1650,6 +1652,11 @@ protected override void Generate(SqlOperation operation, IModel? model, Migratio

AppendBatch(batchBuilder.ToString());

if (isScript && hasPendingBatch)
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{
EndStatement(builder, operation.SuppressTransaction);
}

ParsingState ConsumeAndReturn(ref int index, ParsingState newState)
{
index++;
Expand All @@ -1660,8 +1667,21 @@ void AppendBatch(string batch)
{
if (!string.IsNullOrWhiteSpace(batch))
{
builder.Append(batch);
EndStatement(builder, operation.SuppressTransaction);
if (isScript)
{
if (hasPendingBatch)
{
builder.Append(Dependencies.SqlGenerationHelper.BatchTerminator);
}

builder.Append(batch);
hasPendingBatch = true;
}
else
{
builder.Append(batch);
EndStatement(builder, operation.SuppressTransaction);
}
}
}
}
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