Working select statements for know tables, with and without semi at the end

manager.go

@@ -61,6 +61,114 @@ func NewManager(path string) (*Manager, error) {
 	}, nil
 }
 
+func (m *Manager) RunSql(sqlText string) (Table, error) {
+	p := engine.NewParser(strings.NewReader(sqlText))
+	stmt, err := p.Parse()
+	if err != nil && !errors.Is(err, io.EOF) {
+		return Table{}, err
+	}
+
+	selectStmt, ok := stmt.(*engine.SelectStatement)
+	if !ok {
+		panic("HELP ITS NOT A SELECT STATMET")
+	}
+
+	table, ok := m.GetTable(selectStmt.From)
+	if !ok {
+		panic("HELP TABLE NOT FOUND")
+	}
+
+	rows, err := m.conn.Query(sqlText)
+	if err != nil {
+		return Table{}, err
+	}
+	table.Rows = make([]Row, 0)
+
+	if slices.Contains(selectStmt.Fields, "*") {
+		for rows.Next() {
+			cols := make([]any, len(table.Columns))
+
+			for i, column := range table.Columns {
+				switch column.Type {
+				case BLOB:
+					cols[i] = new([]byte)
+				case TEXT:
+					cols[i] = new(string)
+				case INTEGER:
+					cols[i] = new(int)
+				case REAL:
+					cols[i] = new(float64)
+				default:
+					panic("THIS SHOULD NEVER HAPPEN, WE HIT AN UNKNOWN COLUMN.TYPE")
+				}
+			}
+
+			err = rows.Scan(cols...)
+			if err != nil {
+				return Table{}, err
+			}
+
+			table.Rows = append(table.Rows, Row{
+				Values: anyToStr(cols),
+			})
+		}
+
+		return table, nil
+	} else {
+		columns := make([]Column, len(selectStmt.Fields))
+		firstTime := true
+
+		for rows.Next() {
+
+			cols := make([]any, len(selectStmt.Fields))
+
+			for i, s := range selectStmt.Fields {
+				for _, column := range table.Columns {
+					if column.Name != s {
+						continue
+					}
+
+					if firstTime {
+						columns[i] = column
+					}
+
+					switch column.Type {
+					case BLOB:
+						cols[i] = new([]byte)
+					case TEXT:
+						cols[i] = new(string)
+					case INTEGER:
+						cols[i] = new(int)
+					case REAL:
+						cols[i] = new(float64)
+					default:
+						panic("THIS SHOULD NEVER HAPPEN, WE HIT AN UNKNOWN COLUMN.TYPE")
+					}
+				}
+			}
+
+			firstTime = false
+
+			err = rows.Scan(cols...)
+			if err != nil {
+				return Table{}, err
+			}
+
+			table.Rows = append(table.Rows, Row{
+				Values: anyToStr(cols),
+			})
+		}
+
+		nTable := Table{
+			Name:    selectStmt.From,
+			Columns: columns,
+			Rows:    table.Rows,
+		}
+
+		return nTable, nil
+	}
+}
+
 func (m *Manager) Start() error {
 	for {
 		stmt, err := m.parser.Parse()