minor cleanup of unused items

internal/engine/execution/dependencies.go

@@ -3,7 +3,6 @@ package execution
 import (
 	"context"
 
-	"github.com/kwilteam/kwil-db/internal/engine/types"
 	sql "github.com/kwilteam/kwil-db/internal/sql"
 )
 
@@ -29,33 +28,6 @@ type Registry interface {
 	List(ctx context.Context) ([]string, error)
 }
 
-// MetadataStore is an interface for storing metadata.
-type MetadataStore interface {
-	// StoreMetadata stores a key/value pair in the metadata store.
-	StoreMetadata(ctx context.Context, key []byte, value []byte, exec sql.Executor) error
-
-	// GetMetadata retrieves a value from the metadata store.
-	GetMetadata(ctx context.Context, key []byte, exec sql.Executor) ([]byte, error)
-
-	// CreateTable creates a table in the database.
-	CreateTable(ctx context.Context, table *types.Table, exec sql.Executor) error
-
-	// ListTables lists the tables in the database.
-	ListTables(ctx context.Context, exec sql.Executor) ([]*types.Table, error)
-
-	// StoreProcedure stores a procedure in the database.
-	StoreProcedure(ctx context.Context, proc *types.Procedure, exec sql.Executor) error
-
-	// ListProcedures lists the procedures in the database.
-	ListProcedures(ctx context.Context, exec sql.Executor) ([]*types.Procedure, error)
-
-	// StoreExtension stores an extension in the database.
-	StoreExtension(ctx context.Context, ext *types.Extension, exec sql.Executor) error
-
-	// ListExtensions lists the extensions in the database.
-	ListExtensions(ctx context.Context, exec sql.Executor) ([]*types.Extension, error)
-}
-
 // NamespaceInitializer is a function that initializes a namespace.
 type NamespaceInitializer func(ctx context.Context, metadata map[string]string) (Namespace, error)
 

internal/sql/common.go

@@ -4,15 +4,6 @@ import (
 	"context"
 )
 
-type DataType uint8
-
-const (
-	DataTypeNull DataType = iota
-	DataTypeInt
-	DataTypeText
-	DataTypeBlob
-)
-
 // KVStore is a key-value store.
 type KVStore interface {
 	// Set sets a key to a value.
@@ -25,16 +16,10 @@ type KVStore interface {
 
 type ResultSetFunc func(ctx context.Context, stmt string, args map[string]any) (*ResultSet, error)
 
-// Executor is an interface for executing statements.
-type Executor interface {
-	// Execute executes a statement against the database.
-	Execute(ctx context.Context, stmt string, args map[string]any) (Result, error)
-}
-
 // Connection is a connection to a database.
 type Connection interface {
 	KVStore
-	Executor
+	Execute(ctx context.Context, stmt string, args map[string]any) (Result, error)
 	Close() error
 	CreateSession() (Session, error)
 	Savepoint() (Savepoint, error)
@@ -46,11 +31,6 @@ type ReturnableConnection interface {
 	Return()
 }
 
-type Statement interface {
-	Execute(ctx context.Context, args map[string]any) ([]map[string]any, error)
-	Close() error
-}
-
 type Savepoint interface {
 	Rollback() error
 	Commit() error