ddl

type AutoGenCol struct {
	Name string
	// Type of autogenerated column, example, pre-defined(uuid) or user-defined(sequence)
	GenerationType string
}

type CheckConstraint struct {
	Id     string
	Name   string
	Expr   string
	ExprId string
}

type ColumnDef struct {
	Name         string
	T            Type
	NotNull      bool
	Comment      string
	Id           string
	AutoGen      AutoGenCol
	DefaultValue DefaultValue
}

type Config struct {
	Comments    bool // If true, print comments.
	ProtectIds  bool // If true, table and col names are quoted using backticks (avoids reserved-word issue).
	Tables      bool // If true, print tables
	ForeignKeys bool // If true, print foreign key constraints.
	SpDialect   string
	Source      string // SourceDB information for determining case-sensitivity handling for PGSQL
}

type CreateIndex struct {
	Name            string
	TableId         string `json:"TableId"`
	Unique          bool
	Keys            []IndexKey
	Id              string
	StoredColumnIds []string
}

type CreateTable struct {
	Name             string
	ColIds           []string // Provides names and order of columns
	ShardIdColumn    string
	ColDefs          map[string]ColumnDef // Provides definition of columns (a map for simpler/faster lookup during type processing)
	PrimaryKeys      []IndexKey
	ForeignKeys      []Foreignkey
	Indexes          []CreateIndex
	ParentTable      InterleavedParent // if not empty, this table will be interleaved
	CheckConstraints []CheckConstraint
	Comment          string
	Id               string
}

type DefaultValue struct {
	IsPresent bool
	Value     Expression
}

type Expression struct {
	ExpressionId string
	Statement    string
}

type Foreignkey struct {
	Name           string
	ColIds         []string
	ReferTableId   string
	ReferColumnIds []string
	Id             string
	OnDelete       string
	OnUpdate       string
}

type IndexKey struct {
	ColId string
	Desc  bool // Default order is ascending i.e. Desc = false.
	Order int
}

type InterleavedParent struct {
	Id       string
	OnDelete string
}

type Schema map[string]CreateTable

type Sequence struct {
	Id               string
	Name             string
	SequenceKind     string
	SkipRangeMin     string
	SkipRangeMax     string
	StartWithCounter string
	ColumnsUsingSeq  map[string][]string
}

type Type struct {
	Name string
	// Len encodes the following Spanner DDL definition:
	//     length:
	//        { int64_value | MAX }
	Len int64
	// IsArray represents if Type is an array_type or not
	// When false, column has type T; when true, it is an array of type T.
	IsArray bool
}