Added CreateIndexStatement

Author: msallin

SQLite.CodeFirst/Builder/CreateDatabaseStatementBuilder.cs

@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Data.Entity.Core.Metadata.Edm;
+using System.Data.Entity.Infrastructure.Annotations;
 using System.Linq;
 using SQLite.CodeFirst.Statement;
 
@@ -27,6 +28,20 @@ private IEnumerable<CreateTableStatement> GetCreateTableStatements()
                 ICollection<AssociationType> associationTypes =
                     edmModel.AssociationTypes.Where(a => a.Constraint.ToRole.Name == entityType.Name).ToList();
 
+                var indexAnnotationGroups = edmModel.EntityTypes.GroupBy(e => e.Name, e => e.MetadataProperties.OfType<IndexAnnotation>());
+                foreach (var indexAnnotationGroup in indexAnnotationGroups)
+                {
+                    foreach (var indexAnnotations in indexAnnotationGroup)
+                    {
+                        foreach (var indexAnnotation in indexAnnotations)
+                        {
+                            foreach (var indexAttribute in indexAnnotation.Indexes)
+                            {
+                            }
+                        }
+                    }
+                }
+
                 var tableStatementBuilder = new CreateTableStatementBuilder(entityType, associationTypes);
                 yield return tableStatementBuilder.BuildStatement();
             }

SQLite.CodeFirst/SQLite.CodeFirst.csproj

@@ -54,6 +54,7 @@
     <Compile Include="Builder\CreateDatabaseStatementBuilder.cs" />
     <Compile Include="Builder\PrimaryKeyStatementBuilder.cs" />
     <Compile Include="Statement\ColumnConstraint\MaxLengthConstraint.cs" />
+    <Compile Include="Statement\CreateIndexStatement.cs" />
     <Compile Include="Statement\PrimaryKeyStatement.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SqliteConnectionStringParser.cs" />

SQLite.CodeFirst/Statement/CreateIndexStatement.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SQLite.CodeFirst.Statement
+{
+    internal class CreateIndexStatement : IStatement
+    {
+        private const string Template = "CREATE {unique} INDEX {index-name} ON {table-name} ({column-def});";
+
+        private const string ColumnNameSeperator = ", ";
+
+        public string Name { get; set; }
+        public string Table { get; set; }
+        public IEnumerable<string> ColumnNames { get; set; }
+        public bool IsUnique { get; set; }
+
+        public string CreateStatement()
+        {
+            var stringBuilder = new StringBuilder(Template);
+
+            stringBuilder.Replace("{unique}", IsUnique ? "UNIQUE" : string.Empty);
+            stringBuilder.Replace("{index-name}", Name);
+            stringBuilder.Replace("{table-name}", Table);
+
+            string columnNames = String.Join(ColumnNameSeperator, ColumnNames);
+            stringBuilder.Replace("{column-def}", columnNames);
+
+            return stringBuilder.ToString();
+        }
+    }
+}