Enum SessionCommand 

pub enum SessionCommand {
    UseGraph(String),
    CreateGraph {
        name: String,
        if_not_exists: bool,
        typed: Option<String>,
        like_graph: Option<String>,
        copy_of: Option<String>,
        open: bool,
    },
    DropGraph {
        name: String,
        if_exists: bool,
    },
    SessionSetGraph(String),
    SessionSetSchema(String),
    SessionSetTimeZone(String),
    SessionSetParameter(String, Expression),
    SessionReset(SessionResetTarget),
    SessionClose,
    StartTransaction {
        read_only: bool,
        isolation_level: Option<TransactionIsolationLevel>,
    },
    Commit,
    Rollback,
    Savepoint(String),
    RollbackToSavepoint(String),
    ReleaseSavepoint(String),
}

Session and transaction commands.

Variants

UseGraph(String)

USE GRAPH name

CreateGraph

CREATE [PROPERTY] GRAPH name [IF NOT EXISTS] [TYPED type_name] [LIKE source | AS COPY OF source] [OPEN | ANY]

Fields

name: String

Graph name.

if_not_exists: bool

IF NOT EXISTS flag.

typed: Option<String>

Optional graph type binding.

like_graph: Option<String>

LIKE source_graph: clone schema only.

copy_of: Option<String>

AS COPY OF source_graph: clone schema and data.

open: bool

ANY GRAPH / OPEN: schema-free graph (no type enforcement).

DropGraph

DROP [PROPERTY] GRAPH [IF EXISTS] name

Fields

name: String

Graph name.

if_exists: bool

IF EXISTS flag.

SessionSetGraph(String)

SESSION SET GRAPH name

SessionSetSchema(String)

SESSION SET SCHEMA name (ISO/IEC 39075 Section 7.1 GR1: independent from graph)

SessionSetTimeZone(String)

SESSION SET TIME ZONE 'tz'

SessionSetParameter(String, Expression)

SESSION SET PARAMETER $name = value

SessionReset(SessionResetTarget)

SESSION RESET [ALL | SCHEMA | GRAPH | TIME ZONE | PARAMETER] (ISO/IEC 39075 Section 7.2: schema and graph can be reset independently)

SessionClose

SESSION CLOSE

StartTransaction

START TRANSACTION [READ ONLY | READ WRITE] [ISOLATION LEVEL <level>]

Fields

read_only: bool

Whether the transaction is read-only (default: false = read-write).

isolation_level: Option<TransactionIsolationLevel>

Optional isolation level override.

Commit

COMMIT

Rollback

ROLLBACK

Savepoint(String)

SAVEPOINT name

RollbackToSavepoint(String)

ROLLBACK TO SAVEPOINT name

ReleaseSavepoint(String)

RELEASE SAVEPOINT name

Trait Implementations

impl Clone for SessionCommand

fn clone(&self) -> SessionCommand

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SessionCommand

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.