PostgreSQLExecutionContext class abstract

Implementers

• PostgreSQLConnection
• PostgreSQLPool

Available extensions

• PgCopyExecutionContext
• PgQueryStreamExecutionContext
• PgSavepointExecutionContext

Constructors

PostgreSQLExecutionContext()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

queueSize → int

Returns this context queue size

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

cancelTransaction({String? reason}) → void

Cancels a transaction on this context.

copyFrom(String sql, Stream<List<int>> data, {dynamic substitutionValues, PlaceholderIdentifier placeholderIdentifier = PlaceholderIdentifier.atSign, int? timeoutInSeconds}) → Future<int>

Available on PostgreSQLExecutionContext, provided by the PgCopyExecutionContext extension

copyRows(String table, List<String> columns, Iterable<List<Object?>> rows, {String? schema, int? timeoutInSeconds}) → Future<int>

Available on PostgreSQLExecutionContext, provided by the PgCopyExecutionContext extension

copyTo(String sql, void onData(Uint8List data), {dynamic substitutionValues, PlaceholderIdentifier placeholderIdentifier = PlaceholderIdentifier.atSign, int? timeoutInSeconds}) → Future<int>

Available on PostgreSQLExecutionContext, provided by the PgCopyExecutionContext extension

execute(String fmtString, {dynamic substitutionValues, int? timeoutInSeconds, PlaceholderIdentifier placeholderIdentifier = PlaceholderIdentifier.atSign}) → Future<int>

Executes a query on this context.

mappedResultsQuery(String fmtString, {dynamic substitutionValues, bool? allowReuse, int? timeoutInSeconds, PlaceholderIdentifier placeholderIdentifier = PlaceholderIdentifier.atSign}) → Future<List<Map<String, Map<String, dynamic>>>>

Executes a query on this connection and returns each row as a Map.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

query(String fmtString, {dynamic substitutionValues, bool? allowReuse, int? timeoutInSeconds, bool? useSimpleQueryProtocol, PlaceholderIdentifier placeholderIdentifier = PlaceholderIdentifier.atSign}) → Future<PostgreSQLResult>

Executes a query on this context.

queryAsMap(String fmtString, {dynamic substitutionValues, bool? allowReuse, int? timeoutInSeconds, PlaceholderIdentifier placeholderIdentifier = PlaceholderIdentifier.atSign}) → Future<List<Map<String, dynamic>>>

Executes a query on this connection and returns each row as a Map.

queryStream(String fmtString, {dynamic substitutionValues, PlaceholderIdentifier placeholderIdentifier = PlaceholderIdentifier.atSign, int fetchSize = 1000, int? timeoutInSeconds}) → Stream<PostgreSQLResultRow>

Available on PostgreSQLExecutionContext, provided by the PgQueryStreamExecutionContext extension

savepoint<T>(Future<T> block(PostgreSQLExecutionContext ctx)) → Future<T>

Available on PostgreSQLExecutionContext, provided by the PgSavepointExecutionContext extension

Executa block dentro de um SAVEPOINT da transação atual.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited