Handle floats

src/proxy.go

@@ -119,6 +119,9 @@ func (proxy *Proxy) generateDataRow(rows *sql.Rows, cols []*sql.ColumnType) (*pg
 		case "int64":
 			var value int64
 			valuePtrs[i] = &value
+		case "float64":
+			var value float64
+			valuePtrs[i] = &value
 		case "string":
 			var value string
 			valuePtrs[i] = &value
@@ -129,7 +132,7 @@ func (proxy *Proxy) generateDataRow(rows *sql.Rows, cols []*sql.ColumnType) (*pg
 			var value duckDB.Decimal
 			valuePtrs[i] = &value
 		default:
-			panic("Unsupported type")
+			panic("Unsupported type: " + col.ScanType().Name())
 		}
 	}
 
@@ -145,20 +148,22 @@ func (proxy *Proxy) generateDataRow(rows *sql.Rows, cols []*sql.ColumnType) (*pg
 			values = append(values, []byte(strconv.Itoa(int(*value))))
 		case *int64:
 			values = append(values, []byte(strconv.Itoa(int(*value))))
+		case *float64:
+			values = append(values, []byte(fmt.Sprintf("%v", *value)))
 		case *string:
 			values = append(values, []byte(*value))
 		case *time.Time:
 			switch cols[i].DatabaseTypeName() {
 			case "DATE":
 				values = append(values, []byte(value.Format("2006-01-02")))
 			default:
-				panic("Unsupported type")
+				panic("Unsupported type: " + cols[i].DatabaseTypeName())
 			}
 		case *duckDB.Decimal:
 			float64Value := (*value).Float64()
 			values = append(values, []byte(fmt.Sprintf("%v", float64Value)))
 		default:
-			panic("Unsupported type")
+			panic("Unsupported type: " + cols[i].ScanType().Name())
 		}
 	}
 	dataRow := pgproto3.DataRow{Values: values}