gudusoft.gsqlparser.lineage.v2.validation

Class LineageValidator

Object

gudusoft.gsqlparser.lineage.v2.validation.LineageValidator

public final class LineageValidator
extends Object

The staged validator of SQL-LR (specification Section 14.2): SCHEMA, SEMANTIC, REFERENCE, IDENTITY, in the order of the registry group validationStages. It stops at the first stage that reports a finding, as the reference runner does (conformance/run.py, validate_bytes).

A validator is immutable and may be shared between threads.

Since:

4.2.17

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LineageValidator.Result The outcome of a validation.

Field Summary

Fields

Modifier and Type	Field and Description
static List<String>	STAGES The stages in order.

Constructor Summary

Constructors

Constructor and Description
LineageValidator(SchemaStage schema, SemanticStage semantic)

Method Summary

Modifier and Type	Method and Description
static LineageValidator	standard(SourceTextProvider sources) A validator with the shipped schema and registry, the given source text provider, and the FOLD-V1 PROJECTOR checks of Projector.
static LineageValidator	standard(SourceTextProvider sources, SemanticStage.FoldCheck fold) A validator with the shipped schema and registry, the given source text provider, and the given FOLD-V1 checks (null to skip them; a document with an ExplainGraph then gets a note saying so).
LineageValidator.Result	validate(byte[] data) Validates the bytes of a lineage document.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

STAGES

public static final List<String> STAGES

The stages in order.

Constructor Detail

LineageValidator

public LineageValidator(SchemaStage schema,
                        SemanticStage semantic)

Method Detail

standard

public static LineageValidator standard(SourceTextProvider sources)

A validator with the shipped schema and registry, the given source text provider, and the FOLD-V1 PROJECTOR checks of Projector.

standard

public static LineageValidator standard(SourceTextProvider sources,
                                        SemanticStage.FoldCheck fold)

A validator with the shipped schema and registry, the given source text provider, and the given FOLD-V1 checks (null to skip them; a document with an ExplainGraph then gets a note saying so).

validate

public LineageValidator.Result validate(byte[] data)

Validates the bytes of a lineage document.

Throws:

FoldLimitException - when folding a statement needs more work than the FOLD-V1 kernel allows; the document was then not validated