Add support for sqlite generated columns.

generator/sqlite/query_set.go

@@ -5,6 +5,7 @@ import (
 	"database/sql"
 	"fmt"
 	"github.com/go-jet/jet/v2/generator/metadata"
+	"github.com/go-jet/jet/v2/internal/utils/semantic"
 	"github.com/go-jet/jet/v2/qrm"
 	"strings"
 )
@@ -42,16 +43,45 @@ func (p sqliteQuerySet) GetTablesMetaData(db *sql.DB, schemaName string, tableTy
 	return tables, nil
 }
 
+func getTableInfoQuery(db *sql.DB) (string, error) {
+	var version string
+	err := db.QueryRow("select sqlite_version();").Scan(&version)
+
+	if err != nil {
+		return "", fmt.Errorf("failed to get sqlite version: %w", err)
+	}
+
+	sqliteVersion, err := semantic.VersionFromString(version)
+
+	if err != nil {
+		return "", fmt.Errorf("can't parse sqlite version: %w", err)
+	}
+
+	// generated columns were added in version 3.26.0
+	if sqliteVersion.Lt(semantic.Version{Major: 3, Minor: 26, Patch: 0}) {
+		return `select * from pragma_table_info(?);`, nil
+	}
+
+	return `select * from pragma_table_xinfo(?);`, nil
+}
+
 func (p sqliteQuerySet) GetTableColumnsMetaData(db *sql.DB, schemaName string, tableName string) ([]metadata.Column, error) {
-	query := fmt.Sprintf(`select * from pragma_table_info(?);`)
+
+	tableInfoQuery, err := getTableInfoQuery(db)
+
+	if err != nil {
+		return nil, err
+	}
+
 	var columnInfos []struct {
 		Name    string
 		Type    string
 		NotNull int32
 		Pk      int32
+		Hidden  int32
 	}
 
-	_, err := qrm.Query(context.Background(), db, query, []interface{}{tableName}, &columnInfos)
+	_, err = qrm.Query(context.Background(), db, tableInfoQuery, []interface{}{tableName}, &columnInfos)
 	if err != nil {
 		return nil, fmt.Errorf("failed to query '%s' column metadata: %w", tableName, err)
 	}
@@ -60,11 +90,13 @@ func (p sqliteQuerySet) GetTableColumnsMetaData(db *sql.DB, schemaName string, t
 
 	for _, columnInfo := range columnInfos {
 		columnType := getColumnType(columnInfo.Type)
+		isGenerated := columnInfo.Hidden == 2 || columnInfo.Hidden == 3 // stored or virtual column
 
 		columns = append(columns, metadata.Column{
 			Name:         columnInfo.Name,
 			IsPrimaryKey: columnInfo.Pk != 0,
 			IsNullable:   columnInfo.NotNull != 1,
+			IsGenerated:  isGenerated,
 			DataType: metadata.DataType{
 				Name:       columnType,
 				Kind:       metadata.BaseType,