parser

package
v0.0.2 Latest Latest
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 Go to latest Published: Apr 7, 2026 License: MIT Imports: 6 Imported by: 0

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Types

type ErrExpectedSingleStatement 

type ErrExpectedSingleStatement struct {
	Count int
}

ErrExpectedSingleStatement indicates ParseOne received zero or multiple statements.

func (ErrExpectedSingleStatement) Error 

func (e ErrExpectedSingleStatement) Error() string

type ErrUnsupportedDialect 

type ErrUnsupportedDialect struct {
	Dialect string
}

ErrUnsupportedDialect indicates there is no parser backend for the requested dialect yet.

func (ErrUnsupportedDialect) Error 

func (e ErrUnsupportedDialect) Error() string

type MariaDBDropForeignKeyStmt 

type MariaDBDropForeignKeyStmt struct {
	Table    string
	Name     string
	IfExists bool
}

MariaDBDropForeignKeyStmt captures a MariaDB-only ALTER TABLE extension not accepted by TiDB parser.

type ParsedStatement 

type ParsedStatement struct {
	SQL            string
	SourceDialect  string
	Kind           StatementKind
	Status         SupportStatus
	NativeNodeType string
	NativeAST      any
}

ParsedStatement is the project-owned parse result returned by the parser facade.

func ParseMulti 

func ParseMulti[D ~string](sql string, dialect D) ([]*ParsedStatement, error)

ParseMulti parses one or more SQL statements and returns project-owned parse results.

func ParseOne 

func ParseOne[D ~string](sql string, dialect D) (*ParsedStatement, error)

ParseOne parses a single SQL statement and classifies it for downstream adaptation.

type StatementKind 

type StatementKind string

StatementKind identifies the recognized SQL statement family. 

const (
	StatementKindSelect           StatementKind = "select"
	StatementKindInsert           StatementKind = "insert"
	StatementKindUpdate           StatementKind = "update"
	StatementKindDelete           StatementKind = "delete"
	StatementKindBegin            StatementKind = "begin"
	StatementKindCommit           StatementKind = "commit"
	StatementKindRollback         StatementKind = "rollback"
	StatementKindSavepoint        StatementKind = "savepoint"
	StatementKindReleaseSavepoint StatementKind = "release_savepoint"
	StatementKindWith             StatementKind = "with"
	StatementKindSetOp            StatementKind = "set_op"
	StatementKindSet              StatementKind = "set"
	StatementKindCreateTable      StatementKind = "create_table"
	StatementKindCreateDatabase   StatementKind = "create_database"
	StatementKindCreateView       StatementKind = "create_view"
	StatementKindExplain          StatementKind = "explain"
	StatementKindAlterTable       StatementKind = "alter_table"
	StatementKindDropDatabase     StatementKind = "drop_database"
	StatementKindDropTable        StatementKind = "drop_table"
	StatementKindDropView         StatementKind = "drop_view"
	StatementKindShow             StatementKind = "show"
	StatementKindUse              StatementKind = "use"
	StatementKindCreateIndex      StatementKind = "create_index"
	StatementKindDropIndex        StatementKind = "drop_index"
	StatementKindTruncate         StatementKind = "truncate_table"
	StatementKindRenameTable      StatementKind = "rename_table"
	StatementKindOtherDDL         StatementKind = "other_ddl"
	StatementKindOtherDML         StatementKind = "other_dml"
	StatementKindOther            StatementKind = "other"
)

type SupportStatus 

type SupportStatus string

SupportStatus records whether a parsed statement is already adapted upstream. 

const (
	SupportStatusSupported           SupportStatus = "supported"
	SupportStatusRecognizedUnadapted SupportStatus = "recognized_unadapted"
	SupportStatusUnsupported         SupportStatus = "unsupported"
)

Source Files

View all Source files

Directories

Path Synopsis
ast
Package ast is the abstract syntax tree parsed from a SQL statement by parser.
 Package ast is the abstract syntax tree parsed from a SQL statement by parser.
auth
charset
duration
Package duration provides a customized duration, which supports unit 'd', 'h' and 'm'
 Package duration provides a customized duration, which supports unit 'd', 'h' and 'm'
format
generate_keyword command
goyacc command
Goyacc is a version of yacc generating Go parsers.
 Goyacc is a version of yacc generating Go parsers.
mysql
opcode
terror
test_driver
types
util

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