models package

Core data structures shared by every stage: tokens, spans and locations.

Import path: github.com/ajitpratap0/GoSQLX/pkg/models (pkg.go.dev)

Part of the GoSQLX API reference.

Core Types

TokenType (Type)

type TokenType int

Constants: TokenTypeSelect, TokenTypeFrom, TokenTypeWhere, TokenTypeIdentifier, etc.

v1.6.0 Enhancements:

• 120+ new SQL token types with proper categorization
• ModelType field for O(1) int-based comparisons
• Helper methods: IsKeyword(), IsOperator(), IsLiteral(), IsDMLKeyword(), IsDDLKeyword(), etc.

TokenWithSpan

type TokenWithSpan struct {
    Type  TokenType
    Value string
    Span  Span
}

Span

type Span struct {
    Start Location
    End   Location
}

Location

type Location struct {
    Line   int // 1-based line number
    Column int // 1-based column number
    Offset int // 0-based byte offset
}

Functions

NewTokenWithSpan(tokenType TokenType, value string, span Span) TokenWithSpan

Create token with span.

(t TokenType) String() string

Get string representation.

v1.6.0 Enhancement:

• Complete hash map implementation covering all 90+ token types (optimized for performance)