Method Format

postgres/parser/sem/tree/create_table.go:441–560

Format implements the NodeFormatter interface.

(ctx *FmtCtx)

// Format implements the NodeFormatter interface.
func (node *ColumnTableDef) Format(ctx *FmtCtx) {
	ctx.FormatNode(&node.Name)

	// ColumnTableDef node type will not be specified if it represents a CREATE
	// TABLE ... AS query.
	if node.Type != nil {
		ctx.WriteByte(' ')
		ctx.WriteString(node.columnTypeString())
	}

	if node.Nullable.Nullability != SilentNull && node.Nullable.ConstraintName != "" {
		ctx.WriteString(" CONSTRAINT ")
		ctx.FormatNode(&node.Nullable.ConstraintName)
	}
	switch node.Nullable.Nullability {
	case Null:
		ctx.WriteString(" NULL")
	case NotNull:
		ctx.WriteString(" NOT NULL")
	default:
	}
	for _, checkExpr := range node.CheckExprs {
		if checkExpr.ConstraintName != "" {
			ctx.WriteString(" CONSTRAINT ")
			ctx.FormatNode(&checkExpr.ConstraintName)
		}
		ctx.WriteString(" CHECK (")
		ctx.FormatNode(checkExpr.Expr)
		ctx.WriteByte(')')
		if checkExpr.NoInherit {
			ctx.WriteString(" NO INHERIT")
		}
	}
	if node.HasDefaultExpr() {
		if node.DefaultExpr.ConstraintName != "" {
			ctx.WriteString(" CONSTRAINT ")
			ctx.FormatNode(&node.DefaultExpr.ConstraintName)
		}
		ctx.WriteString(" DEFAULT ")
		ctx.FormatNode(node.DefaultExpr.Expr)
	}
	if node.IsComputed() {
		ctx.WriteString(" GENERATED")
		if node.Computed.ByDefault {
			ctx.WriteString(" BY DEFAULT")
		} else {
			ctx.WriteString(" ALWAYS")
		}
		ctx.WriteString(" AS")
		if node.Computed.Expr != nil {
			ctx.WriteString(" ( ")
			ctx.FormatNode(node.Computed.Expr)
			ctx.WriteString(" ) STORED")
		} else {
			ctx.WriteString(" IDENTITY")
			if node.Computed.Options != nil {
				ctx.WriteString(" ( ")
				ctx.FormatNode(&node.Computed.Options)