Enum DatabaseWarning 

pub enum DatabaseWarning {
    MissingRelation {
        query_name: String,
        sql_source: String,
    },
    MissingFunction {
        mutation_name: String,
        sql_source: String,
    },
    MissingTypeSource {
        type_name: String,
        sql_source: String,
    },
    MissingAdditionalView {
        query_name: String,
        view_name: String,
    },
    MissingJsonColumn {
        query_name: String,
        sql_source: String,
        column_name: String,
    },
    WrongJsonColumnType {
        query_name: String,
        sql_source: String,
        column_name: String,
        actual_type: String,
    },
    MissingPaginationColumn {
        query_name: String,
        sql_source: String,
        column_name: String,
    },
    PaginationIdentityFallback {
        query_name: String,
        sql_source: String,
        pk_column: String,
    },
    SelfOrderingView {
        query_name: String,
        sql_source: String,
    },
    MissingCursorColumn {
        query_name: String,
        sql_source: String,
        column_name: String,
    },
    MissingJsonKey {
        query_name: String,
        type_name: String,
        sql_source: String,
        json_column: String,
        field_name: String,
        json_key: String,
        field_required: bool,
    },
    NativeColumnFallback {
        query_name: String,
        sql_source: String,
        arg_name: String,
    },
    UnresolvableFilter {
        query_name: String,
        sql_source: String,
        filter: QueryFilter,
        key: String,
        reason: InjectMiss,
    },
    TypeConvertibility {
        query_name: String,
        sql_source: String,
        arg_name: String,
        graphql_type: String,
        column_type: String,
    },
}

A single database validation warning.

Variants

MissingRelation

L1: sql_source relation does not exist.

Fields

query_name: String

Name of the query or mutation.

sql_source: String

The sql_source value that was not found.

MissingFunction

L1: a mutation’s sql_source function does not exist.

Distinct from MissingRelation: a mutation’s sql_source names a SQL function (the runtime calls SELECT * FROM fn(...)), not a view/table, so it is probed via pg_proc rather than the relation catalog.

Fields

mutation_name: String

Name of the mutation.

sql_source: String

The sql_source function that was not found.

MissingTypeSource

L1: a @fraiseql.type’s declared sql_source view does not exist (#653).

Most often an embedded value object the SDK gave a synthesized v_<name> source by naming convention (a view that was never authored). Advisory only — it never fails the compile; the hard FRAISEQL_VALIDATE_SQL_SOURCES gate deliberately does not probe type sources (it would drown in synthesized-source noise), so this warn-grade path under --database is the only place phantom type sources surface.

Fields

type_name: String

Name of the type.

sql_source: String

The sql_source view that was not found.

MissingAdditionalView

L1: additional_view does not exist.

Fields

query_name: String

Name of the query.

view_name: String

The view name that was not found.

MissingJsonColumn

L2: jsonb_column does not exist on the relation.

Fields

query_name: String

Name of the query.

sql_source: String

The sql_source relation.

column_name: String

The missing column name.

WrongJsonColumnType

L2: jsonb_column exists but is not a JSON/JSONB type.

Fields

query_name: String

Name of the query.

sql_source: String

The sql_source relation.

column_name: String

The column name.

actual_type: String

The actual SQL data type.

MissingPaginationColumn

L2: an authored pagination_order column does not exist on the relation (#1303).

The same shape as MissingCursorColumn and error-grade for the same reason: the column is rendered into ORDER BY, so a name the relation does not carry is a query that fails at request time, on a route that compiled cleanly.

Fields

query_name: String

Name of the query.

sql_source: String

The sql_source relation.

column_name: String

The missing column name.

PaginationIdentityFallback

L2: no cheaper unique column was found, so pages stay ordered by data->>'id' (#1303).

Advisory: the ordering is correct, and correct is the point — id is an enforced invariant (ADR-0017), so the extraction orders every type. It is simply the most expensive of the three known spellings, and the relation is the only place a cheaper one could have come from.

Fields

query_name: String

Name of the query.

sql_source: String

The sql_source relation.

pk_column: String

The pk_<type> column that would have been used had it existed.

SelfOrderingView

L2: the view carries its own ORDER BY and the query did not declare pagination_order = "none" (#1303).

The one case where ordering pages by the entity identity is a regression: a self-ordering view is the compiler’s own documented remedy for order_by = false, and a default ordering replaces the author’s order rather than adding to it. Advisory rather than error-grade because pg_get_viewdef cannot tell a top-level ORDER BY from one inside a subquery or window frame, where imposing a page order is entirely correct — so this reports a suspicion, and the author resolves it by declaring either way.

Fields

query_name: String

Name of the query.

sql_source: String

The sql_source view.

MissingCursorColumn

L2: relay_cursor_column does not exist on the relation.

Fields

query_name: String

Name of the query.

sql_source: String

The sql_source relation.

column_name: String

The missing cursor column name.

MissingJsonKey

L3: a JSON key path is declared but not found in sampled data.

Fields

query_name: String

Name of the query.

type_name: String

The GraphQL type that declares the field (where to fix it).

sql_source: String

The sql_source relation.

json_column: String

The JSON column being sampled.

field_name: String

The GraphQL field name.

json_key: String

The snake_case key looked up in the JSON.

field_required: bool

Whether the field is declared non-nullable. A required field’s key cannot legitimately be absent from every sampled row, so this drives the finding’s Severity: required → error, nullable → warning.

NativeColumnFallback

L2: a direct query argument has no matching native column — will fall back to JSONB extraction.

For best performance, consider adding a native column with the same name and an index on the sql_source table/view.

Fields

query_name: String

Name of the query.

sql_source: String

The sql_source relation.

arg_name: String

The argument name that has no matching native column.

UnresolvableFilter

A filter the query’s relation cannot provide — an inject_params key (#1382) or a direct argument (#1394): no column of that name, and no sampled data row carrying it — so the predicate is false for every row and every caller gets an empty, successful answer.

Fields

query_name: String

Name of the query.

sql_source: String

The sql_source relation.

filter: QueryFilter

What filters the relation.

key: String

The column / JSON key the runtime reads for it.

reason: InjectMiss

Why the relation cannot provide it.

TypeConvertibility

L2: a direct query argument resolves to a native column whose SQL type cannot cleanly drive the predicate for the argument’s GraphQL scalar type (e.g. an Int argument filtering a uuid column — WHERE col = $N errors or never matches).

Fields

query_name: String

Name of the query.

sql_source: String

The sql_source relation.

arg_name: String

The argument name.

graphql_type: String

The argument’s declared GraphQL type (e.g. Int).

column_type: String

The native column’s SQL type (e.g. uuid).

Implementations

impl DatabaseWarning

pub const fn severity(&self) -> Severity

The severity of this finding under compile --database (#384).

Error-severity drift fails the compile (unless --allow-drift): the declared schema names database objects that do not exist or cannot serve the declared shape, so the first query/mutation against them fails at runtime. Warn-severity findings are advisory:

• MissingTypeSource is warn-grade by design (#653): synthesized value-object sources would drown a hard gate.
• MissingJsonKey is sampling-based; a nullable field may legitimately be unset in every sampled row, so only a required field’s absent key is an error.
• NativeColumnFallback is a performance advisory — the JSONB path is correct, just slower.

Trait Implementations

impl Debug for DatabaseWarning

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

Formats the value using the given formatter.

impl Display for DatabaseWarning

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

Formats the value using the given formatter.