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Apply fill factor when creating tables #33407

Merged
merged 2 commits into from
Mar 27, 2024
Merged

Apply fill factor when creating tables #33407

merged 2 commits into from
Mar 27, 2024

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ajcvickers
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Fixes #33269

@ajcvickers ajcvickers requested a review from a team March 26, 2024 12:21
@@ -1669,6 +1667,8 @@ private static string FormatTable(string table, string? schema)
builder.Append("(")
.Append(ColumnList(operation.Columns))
.Append(")");

KeyTraits(operation, model, builder);
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Am not sure at all, but do we think unique constraints have common options/traits with primary keys? I thought e.g. fill factor is defined at the index level, rather than on the unique constraint (not sure).

Maybe it's better to be safe and make this a SQL Server-only thing rather than a relational thing?

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I don't know. @AndriySvyryd approved the original PR.

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SQL Server supports most of the index options at the primary key level, don't know about other databases

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Basically, we don't need KeyTraits, just call IndexOptions here. Only the relevant facets will be present on the operation.

/// <param name="builder">The command builder to use to add the SQL fragment.</param>
protected virtual void KeyWithOptions(MigrationOperation operation, MigrationCommandListBuilder builder)
protected virtual void KeyTraits(MigrationOperation operation, IModel? model, MigrationCommandListBuilder builder)
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For sequence/index I thing we use the word "Options" rather than "Traits"

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This copies the pattern used for IndexTraits which is the already existing method right above this one.

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Note however, we call IndexTraits at different places. I know know if it needs to called at different places--again @AndriySvyryd approved the original PR.

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Ah, missed that we had IndexTraits, makes sense I guess (though not sure why we have options in some places and traits in others...)

@ajcvickers
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@dotnet/efteam If there is concern that this is implemented incorrectly, then I don't think we should spend a lot of time on it, but rather just revert the community PR that was approved and then revisit it at a later date when we have time to review by more people than just @AndriySvyryd.

@@ -1717,12 +1717,13 @@ private static string FormatTable(string table, string? schema)
}

/// <summary>
/// Generates a SQL fragment for extra with options of a key from a
/// <see cref="AddPrimaryKeyOperation" /> or <see cref="AddUniqueConstraintOperation" />.
/// Generates a SQL fragment for traits of an primary key or alternate key from a <see cref="CreateTableOperation" />,
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Suggested change
/// Generates a SQL fragment for traits of an primary key or alternate key from a <see cref="CreateTableOperation" />,
/// Generates a SQL fragment for traits of a primary key or alternate key from a <see cref="CreateTableOperation" />,

@ajcvickers
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@AndriySvyryd @roji Updated.

@ajcvickers ajcvickers merged commit ce152e3 into main Mar 27, 2024
7 checks passed
@ajcvickers ajcvickers deleted the 240326_FillByFactors branch March 27, 2024 16:56
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HasFillFactor only gets applied when database is altered, not when created
3 participants