parser

package

v0.0.0-...-9ff550a Latest Latest Go to latest Published: Aug 25, 2020 License: Apache-2.0 Imports: 12 Imported by: 0

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Repository

github.com/deepfabric/vectorsql

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
func EndsInSemicolon(sql string) bool
func LastLexicalToken(sql string) (lastTok int, ok bool)
func Parse(sql string) (*tree.Select, error)
func SplitFirstStatement(sql string) (pos int, ok bool)
type Parser
type TokenString
- func Tokens(sql string) (tokens []TokenString, ok bool)

Constants ¶

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const ALL = 57353

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const AND = 57354

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const AS = 57355

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const ASC = 57356

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const AT = 57401

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const BETWEEN = 57357

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const BOOL = 57358

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const BY = 57359

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const CAST = 57360

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const CROSS = 57361

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const DESC = 57362

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const DISTINCT = 57363

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const ERROR = 57345

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const EXCEPT = 57364

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const EXISTS = 57365

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const FALSE = 57367

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const FCONST = 57348

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const FETCH = 57368

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const FIRST = 57369

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const FLOAT = 57370

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const FROM = 57371

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const FTOP = 57366

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const FULL = 57372

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const GREATER_EQUALS = 57351

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const GROUP = 57373

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const HAVING = 57374

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const ICONST = 57347

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const IDENT = 57346

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const INNER = 57375

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const INT = 57376

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const INTERSECT = 57377

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const IS = 57378

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const JOIN = 57379

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const LEFT = 57403

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const LESS_EQUALS = 57350

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const NATURAL = 57380

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const NEXT = 57381

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const NOT = 57382

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const NOT_EQUALS = 57352

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const NOT_LA = 57400

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const NULL = 57383

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const OFFSET = 57384

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const ON = 57385

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const ONLY = 57386

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const OR = 57387

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const ORDER = 57388

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const OUTER = 57389

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const RIGHT = 57390

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const ROW = 57391

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const ROWS = 57392

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const SCONST = 57349

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const SELECT = 57393

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const STRING = 57394

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const TIME = 57396

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const TOP = 57395

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const TRUE = 57397

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const UMINUS = 57402

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const UNION = 57398

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const WHERE = 57399

Variables ¶

This section is empty.

Functions ¶

func EndsInSemicolon ¶

func EndsInSemicolon(sql string) bool

EndsInSemicolon returns true if the last lexical token is a semicolon.

func LastLexicalToken ¶

func LastLexicalToken(sql string) (lastTok int, ok bool)

LastLexicalToken returns the last lexical token. If the string has no lexical tokens, returns 0 and ok=false.

func Parse ¶

func Parse(sql string) (*tree.Select, error)

func SplitFirstStatement ¶

func SplitFirstStatement(sql string) (pos int, ok bool)

SplitFirstStatement returns the length of the prefix of the string up to and including the first semicolon that separates statements. If there is no semicolon, returns ok=false.

Types ¶

type Parser ¶

type Parser struct {
	// contains filtered or unexported fields
}

type TokenString ¶

type TokenString struct {
	TokenID int32
	Str     string
}

TokenString is the unit value returned by Tokens.

func Tokens ¶

func Tokens(sql string) (tokens []TokenString, ok bool)

Tokens decomposes the input into lexical tokens.

Source Files ¶

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Directories ¶

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