Changes

rag-api/Database/schema.sql

@@ -0,0 +1,63 @@
+IF OBJECT_ID('dbo.RagChunks', 'U') IS NULL
+BEGIN
+    CREATE TABLE dbo.RagChunks (
+        Id NVARCHAR(64) NOT NULL CONSTRAINT PK_RagChunks PRIMARY KEY,
+        DocumentId NVARCHAR(64) NOT NULL,
+        ChunkIndex INT NOT NULL,
+        Text NVARCHAR(MAX) NOT NULL,
+        Embedding VARBINARY(MAX) NOT NULL
+    );
+END
+GO
+
+IF OBJECT_ID('dbo.RagDocuments', 'U') IS NULL
+BEGIN
+    CREATE TABLE dbo.RagDocuments (
+        Id NVARCHAR(64) NOT NULL CONSTRAINT PK_RagDocuments PRIMARY KEY,
+        DocumentType NVARCHAR(80) NOT NULL,
+        Title NVARCHAR(300) NOT NULL,
+        SourceUrl NVARCHAR(1200) NULL,
+        RawText NVARCHAR(MAX) NOT NULL,
+        TextHash NVARCHAR(64) NOT NULL,
+        TypeConfidence FLOAT NOT NULL,
+        MetadataJson NVARCHAR(MAX) NOT NULL CONSTRAINT DF_RagDocuments_MetadataJson DEFAULT '{}',
+        CreatedAt DATETIME2 NOT NULL CONSTRAINT DF_RagDocuments_CreatedAt DEFAULT SYSUTCDATETIME()
+    );
+
+    CREATE INDEX IX_RagDocuments_TextHash ON dbo.RagDocuments(TextHash);
+    CREATE INDEX IX_RagDocuments_DocumentType ON dbo.RagDocuments(DocumentType);
+END
+GO
+
+IF NOT EXISTS (SELECT 1 FROM sys.foreign_keys WHERE name = 'FK_RagChunks_RagDocuments')
+BEGIN
+    ALTER TABLE dbo.RagChunks
+    ADD CONSTRAINT FK_RagChunks_RagDocuments FOREIGN KEY (DocumentId) REFERENCES dbo.RagDocuments(Id) ON DELETE CASCADE;
+END
+GO
+
+IF OBJECT_ID('dbo.RagEmbeddingCache', 'U') IS NULL
+BEGIN
+    CREATE TABLE dbo.RagEmbeddingCache (
+        CacheKey NVARCHAR(64) NOT NULL CONSTRAINT PK_RagEmbeddingCache PRIMARY KEY,
+        Model NVARCHAR(120) NOT NULL,
+        TextHash NVARCHAR(64) NOT NULL,
+        Vector VARBINARY(MAX) NOT NULL,
+        CreatedAt DATETIME2 NOT NULL CONSTRAINT DF_RagEmbeddingCache_CreatedAt DEFAULT SYSUTCDATETIME()
+    );
+
+    CREATE INDEX IX_RagEmbeddingCache_TextHash ON dbo.RagEmbeddingCache(TextHash);
+END
+GO
+
+IF OBJECT_ID('dbo.RagChatCompletionCache', 'U') IS NULL
+BEGIN
+    CREATE TABLE dbo.RagChatCompletionCache (
+        CacheKey NVARCHAR(64) NOT NULL CONSTRAINT PK_RagChatCompletionCache PRIMARY KEY,
+        Model NVARCHAR(120) NOT NULL,
+        Temperature DECIMAL(4,2) NOT NULL,
+        ResponseText NVARCHAR(MAX) NOT NULL,
+        CreatedAt DATETIME2 NOT NULL CONSTRAINT DF_RagChatCompletionCache_CreatedAt DEFAULT SYSUTCDATETIME()
+    );
+END
+GO