QueryResultReader class

Indexed access over live rows and a snapshot of the result's column names.

Constructors

QueryResultReader(QueryResult result)

Properties

columns → List<String>

final

firstRowOrNull → Map<String, Object?>?

First row as a map, or null when isEmpty.

no setter

hashCode → int

The hash code for this object.

no setter, inherited

isEmpty → bool

no setter

rows → List<List>

no setter

rowsAsMaps → List<Map<String, Object?>>

All rows as name → value maps aligned with columns.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

cell(int row, String column, {bool ignoreCase = false}) → Object?

Returns the value at row / column, or null when out of range.

cellAs<T>(int row, String column, {bool ignoreCase = false}) → T?

Returns the value at row / column cast to T, or null when absent or not assignable to T.

columnIndex(String column, {bool ignoreCase = false}) → int?

Returns the zero-based index of column, or null when absent.

columnValues<T>(String column, {bool ignoreCase = false, bool includeNulls = true}) → List<T?>

Returns all values for column as a typed list.

firstValue<T>(String column, {bool ignoreCase = false}) → T?

Returns the first row's value for column, or null when empty.

hasColumn(String column, {bool ignoreCase = false}) → bool

Returns true when column exists in columns.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

rowAsMap(int row) → Map<String, Object?>

Returns row row as a name → value map aligned with columns.

scalar<T>(String column, {bool ignoreCase = false}) → T?

Single scalar from the first row for column, or null when empty or not assignable to T. Alias for firstValue.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited