Struct pgrx_sql_entity_graph::PgrxSql

pub struct PgrxSql {

    pub control: ControlFile,
    pub graph: StableGraph<SqlGraphEntity, SqlGraphRequires>,
    pub graph_root: NodeIndex,
    pub graph_bootstrap: Option<NodeIndex>,
    pub graph_finalize: Option<NodeIndex>,
    pub schemas: HashMap<SchemaEntity, NodeIndex>,
    pub extension_sqls: HashMap<ExtensionSqlEntity, NodeIndex>,
    pub externs: HashMap<PgExternEntity, NodeIndex>,
    pub types: HashMap<PostgresTypeEntity, NodeIndex>,
    pub builtin_types: HashMap<String, NodeIndex>,
    pub enums: HashMap<PostgresEnumEntity, NodeIndex>,
    pub ords: HashMap<PostgresOrdEntity, NodeIndex>,
    pub hashes: HashMap<PostgresHashEntity, NodeIndex>,
    pub aggregates: HashMap<PgAggregateEntity, NodeIndex>,
    pub triggers: HashMap<PgTriggerEntity, NodeIndex>,
    pub extension_name: String,
    pub versioned_so: bool,
}

A generator for SQL.

Consumes a base mapping of types (typically pgrx::DEFAULT_TYPEID_SQL_MAPPING), a ControlFile, and collections of each SQL entity.

During construction, a Directed Acyclic Graph is formed out the dependencies. For example, an item detect_dog(x: &[u8]) -> animals::Dog would have have a relationship with animals::Dog.

Typically, PgrxSql types are constructed in a pgrx::pg_binary_magic!() call in a binary out of entities collected during a pgrx::pg_module_magic!() call in a library.

Fields

control: ControlFile

graph: StableGraph<SqlGraphEntity, SqlGraphRequires>

graph_root: NodeIndex

graph_bootstrap: Option<NodeIndex>

graph_finalize: Option<NodeIndex>

schemas: HashMap<SchemaEntity, NodeIndex>

extension_sqls: HashMap<ExtensionSqlEntity, NodeIndex>

externs: HashMap<PgExternEntity, NodeIndex>

types: HashMap<PostgresTypeEntity, NodeIndex>

builtin_types: HashMap<String, NodeIndex>

enums: HashMap<PostgresEnumEntity, NodeIndex>

ords: HashMap<PostgresOrdEntity, NodeIndex>

hashes: HashMap<PostgresHashEntity, NodeIndex>

aggregates: HashMap<PgAggregateEntity, NodeIndex>

triggers: HashMap<PgTriggerEntity, NodeIndex>

extension_name: String

versioned_so: bool

Implementations

impl PgrxSql

pub fn build( entities: impl Iterator<Item = SqlGraphEntity>, extension_name: String, versioned_so: bool ) -> Result<Self>

pub fn to_file(&self, file: impl AsRef<Path> + Debug) -> Result<()>

pub fn write(&self, out: &mut impl Write) -> Result<()>

pub fn to_dot(&self, file: impl AsRef<Path> + Debug) -> Result<()>

pub fn schema_alias_of(&self, item_index: &NodeIndex) -> Option<String>

pub fn schema_prefix_for(&self, target: &NodeIndex) -> String

pub fn to_sql(&self) -> Result<String>

pub fn has_sql_declared_entity( &self, identifier: &SqlDeclared ) -> Option<&SqlDeclaredEntity>

pub fn get_module_pathname(&self) -> String

Trait Implementations

impl Clone for PgrxSql

fn clone(&self) -> PgrxSql

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for PgrxSql

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

Formats the value using the given formatter.