vtabutil

package

v0.19.0 Latest Latest Go to latest Published: Oct 7, 2024 License: MIT Imports: 7 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/ncruces/go-sqlite3

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README ¶

Virtual Table utility functions

This package implements utilities mostly useful to virtual table implementations.

It also wraps a parser for the CREATE and ALTER TABLE commands, created by Marco Bambini.

Documentation ¶

Overview ¶

Package vtabutil implements virtual table utility functions.

Index ¶

func NamedArg(arg string) (key, val string)
func Unquote(val string) string
type Column
type ConflictClause
type FKAction
type FKDefType
type ForeignKey
type OrderClause
type StatementType
type Table
- func Parse(sql string) (_ *Table, err error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func NamedArg ¶

func NamedArg(arg string) (key, val string)

NamedArg splits an named arg into a key and value, around an equals sign. Spaces are trimmed around both key and value.

func Unquote ¶

func Unquote(val string) string

Unquote unquotes a string.

Types ¶

type Column ¶ added in v0.16.3

type Column struct {
	Name                  string
	Type                  string
	Length                string
	ConstraintName        string
	Comment               string
	IsPrimaryKey          bool
	IsAutoIncrement       bool
	IsNotNull             bool
	IsUnique              bool
	PKOrder               OrderClause
	PKConflictClause      ConflictClause
	NotNullConflictClause ConflictClause
	UniqueConflictClause  ConflictClause
	CheckExpr             string
	DefaultExpr           string
	CollateName           string
	ForeignKeyClause      *ForeignKey
}

Column holds metadata about a column.

type ConflictClause ¶ added in v0.17.0

type ConflictClause uint32

const (
	CONFLICT_NONE ConflictClause = iota
	CONFLICT_ROLLBACK
	CONFLICT_ABORT
	CONFLICT_FAIL
	CONFLICT_IGNORE
	CONFLICT_REPLACE
)

type FKAction ¶ added in v0.17.0

type FKAction uint32

const (
	FKACTION_NONE FKAction = iota
	FKACTION_SETNULL
	FKACTION_SETDEFAULT
	FKACTION_CASCADE
	FKACTION_RESTRICT
	FKACTION_NOACTION
)

type FKDefType ¶ added in v0.17.0

type FKDefType uint32

const (
	DEFTYPE_NONE FKDefType = iota
	DEFTYPE_DEFERRABLE
	DEFTYPE_DEFERRABLE_INITIALLY_DEFERRED
	DEFTYPE_DEFERRABLE_INITIALLY_IMMEDIATE
	DEFTYPE_NOTDEFERRABLE
	DEFTYPE_NOTDEFERRABLE_INITIALLY_DEFERRED
	DEFTYPE_NOTDEFERRABLE_INITIALLY_IMMEDIATE
)

type ForeignKey ¶ added in v0.17.0

type ForeignKey struct {
	Table      string
	Columns    []string
	OnDelete   FKAction
	OnUpdate   FKAction
	Match      string
	Deferrable FKDefType
}

type OrderClause ¶ added in v0.17.0

type OrderClause uint32

const (
	ORDER_NONE OrderClause = iota
	ORDER_ASC
	ORDER_DESC
)

type StatementType ¶ added in v0.17.0

type StatementType uint32

const (
	CREATE_UNKNOWN StatementType = iota
	CREATE_TABLE
	ALTER_RENAME_TABLE
	ALTER_RENAME_COLUMN
	ALTER_ADD_COLUMN
	ALTER_DROP_COLUMN
)

type Table ¶ added in v0.16.3

type Table struct {
	Name           string
	Schema         string
	Comment        string
	IsTemporary    bool
	IsIfNotExists  bool
	IsWithoutRowID bool
	IsStrict       bool
	Columns        []Column
	Type           StatementType
	CurrentName    string
	NewName        string
}

Table holds metadata about a table.

func Parse ¶ added in v0.16.3

func Parse(sql string) (_ *Table, err error)

Parse parses a CREATE or ALTER TABLE command.

Source Files ¶

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