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Adds ability to extract index details from databases using sql syntax provider.

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This commit is contained in:
Shannon
2014-03-12 17:17:52 +11:00
parent ff21379547
commit 3a92c26a7f
6 changed files with 63 additions and 5 deletions
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14
src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSixTwoZero/AdditionalIndexesAndKeys.cs
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@@ -1,5 +1,6 @@
using System;
using Umbraco.Core.Configuration;
using Umbraco.Core.Persistence.Migrations.Initial;
namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSixTwoZero
{
@@ -7,11 +8,14 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSixTwoZero
public class AdditionalIndexesAndKeys : MigrationBase
{
public override void Up()
{
//Create.Index("IX_umbracoNodeTrashed").OnTable("umbracoNode").OnColumn("trashed").Ascending().WithOptions().NonClustered();
//Create.Index("IX_cmsContentVersion_ContentId").OnTable("cmsContentVersion").OnColumn("ContentId").Ascending().WithOptions().NonClustered();
//Create.Index("IX_cmsDocument_published").OnTable("cmsDocument").OnColumn("published").Ascending().WithOptions().NonClustered();
//Create.Index("IX_cmsDocument_newest").OnTable("cmsDocument").OnColumn("newest").Ascending().WithOptions().NonClustered();
{
var dbSchema = new DatabaseSchemaCreation(Context.Database);
var schemaResult = dbSchema.ValidateSchema();
Create.Index("IX_umbracoNodeTrashed").OnTable("umbracoNode").OnColumn("trashed").Ascending().WithOptions().NonClustered();
Create.Index("IX_cmsContentVersion_ContentId").OnTable("cmsContentVersion").OnColumn("ContentId").Ascending().WithOptions().NonClustered();
Create.Index("IX_cmsDocument_published").OnTable("cmsDocument").OnColumn("published").Ascending().WithOptions().NonClustered();
Create.Index("IX_cmsDocument_newest").OnTable("cmsDocument").OnColumn("newest").Ascending().WithOptions().NonClustered();
}
public override void Down()

3
src/Umbraco.Core/Persistence/SqlSyntax/ISqlSyntaxProvider.cs
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@@ -59,9 +59,12 @@ namespace Umbraco.Core.Persistence.SqlSyntax
bool SupportsClustered();
bool SupportsIdentityInsert();
bool? SupportsCaseInsensitiveQueries(Database db);
IEnumerable<string> GetTablesInSchema(Database db);
IEnumerable<ColumnInfo> GetColumnsInSchema(Database db);
IEnumerable<Tuple<string, string>> GetConstraintsPerTable(Database db);
IEnumerable<Tuple<string, string, string>> GetConstraintsPerColumn(Database db);
IEnumerable<Tuple<string, string, string, bool>> GetDefinedIndexes(Database db);
}
}

25
src/Umbraco.Core/Persistence/SqlSyntax/MySqlSyntaxProvider.cs
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@@ -115,6 +115,31 @@ namespace Umbraco.Core.Persistence.SqlSyntax
return list;
}
public override IEnumerable<Tuple<string, string, string, bool>> GetDefinedIndexes(Database db)
{
List<Tuple<string, string, string, bool>> list;
try
{
var indexes =
db.Fetch<dynamic>(@"SELECT DISTINCT
TABLE_NAME, INDEX_NAME, COLUMN_NAME, CASE NON_UNIQUE WHEN 1 THEN 0 ELSE 1 END AS `UNIQUE`
FROM INFORMATION_SCHEMA.STATISTICS
WHERE TABLE_SCHEMA = @TableSchema
ORDER BY TABLE_NAME, INDEX_NAME",
new { TableSchema = db.Connection.Database });
list =
indexes.Select(
item =>
new Tuple<string, string, string, bool>(item.TABLE_NAME, item.INDEX_NAME, item.COLUMN_NAME, item.UNIQUE))
.ToList();
}
finally
{
db.CloseSharedConnection();
}
return list;
}
public override bool DoesTableExist(Database db, string tableName)
{
long result;

10
src/Umbraco.Core/Persistence/SqlSyntax/SqlCeSyntaxProvider.cs
View File

@@ -226,6 +226,16 @@ namespace Umbraco.Core.Persistence.SqlSyntax
indexItem.INDEX_NAME))).ToList();
}
public override IEnumerable<Tuple<string, string, string, bool>> GetDefinedIndexes(Database db)
{
var items =
db.Fetch<dynamic>(
"SELECT TABLE_NAME, INDEX_NAME, COLUMN_NAME, [UNIQUE] FROM INFORMATION_SCHEMA.INDEXES ORDER BY TABLE_NAME, INDEX_NAME");
return
items.Select(
item => new Tuple<string, string, string, bool>(item.TABLE_NAME, item.INDEX_NAME, item.COLUMN_NAME, item.UNIQUE));
}
public override bool DoesTableExist(Database db, string tableName)
{
var result =

14
src/Umbraco.Core/Persistence/SqlSyntax/SqlServerSyntaxProvider.cs
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@@ -151,6 +151,20 @@ namespace Umbraco.Core.Persistence.SqlSyntax
return items.Select(item => new Tuple<string, string, string>(item.TABLE_NAME, item.COLUMN_NAME, item.CONSTRAINT_NAME)).ToList();
}
public override IEnumerable<Tuple<string, string, string, bool>> GetDefinedIndexes(Database db)
{
var items =
db.Fetch<dynamic>(
@"select T.name as TABLE_NAME, I.name as INDEX_NAME, AC.Name as COLUMN_NAME,
CASE WHEN I.is_unique_constraint = 1 OR I.is_unique = 1 THEN 1 ELSE 0 END AS [UNIQUE]
from sys.tables as T inner join sys.indexes as I on T.[object_id] = I.[object_id]
inner join sys.index_columns as IC on IC.[object_id] = I.[object_id] and IC.[index_id] = I.[index_id]
inner join sys.all_columns as AC on IC.[object_id] = AC.[object_id] and IC.[column_id] = AC.[column_id]
order by T.name, I.name");
return items.Select(item => new Tuple<string, string, string, bool>(item.TABLE_NAME, item.INDEX_NAME, item.COLUMN_NAME, item.UNIQUE)).ToList();
}
public override bool DoesTableExist(Database db, string tableName)
{
var result =

2
src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxProviderBase.cs
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@@ -212,6 +212,8 @@ namespace Umbraco.Core.Persistence.SqlSyntax
return new List<Tuple<string, string, string>>();
}
public abstract IEnumerable<Tuple<string, string, string, bool>> GetDefinedIndexes(Database db);
public virtual bool DoesTableExist(Database db, string tableName)
{
return false;