"github.com/minio/minio/internal/store"
	xnet "github.com/minio/pkg/v2/net"
)

const (
	psqlTableExists          = `SELECT 1 FROM %s;`
	psqlCreateNamespaceTable = `CREATE TABLE %s (key VARCHAR PRIMARY KEY, value JSONB);`
	psqlCreateAccessTable    = `CREATE TABLE %s (event_time TIMESTAMP WITH TIME ZONE NOT NULL, event_data JSONB);`

	ListExpr  *ListExpr `parser:"| @@"`
}

// Grammar for Operand:
//
// operand → multOp ( ("-" | "+") multOp )*
// multOp  → unary ( ("/" | "*" | "%") unary )*
// unary   → "-" unary | primary
// primary → Value | Variable | "(" expression ")"
//

// An Operand is a single term followed by an optional sequence of
// terms separated by +/-
type Operand struct {
	Left  *MultOp     `parser:"@@"`

		selectAST.Expression.Expressions[0].Expression.And[0].Condition[0].Operand.Operand.Left.Left.Primary != nil &&
		selectAST.Expression.Expressions[0].Expression.And[0].Condition[0].Operand.Operand.Left.Left.Primary.JPathExpr != nil {
		if selectAST.Expression.Expressions[0].Expression.And[0].Condition[0].Operand.Operand.Left.Left.Primary.JPathExpr.String() == selectAST.From.As+".*" {
			selectAST.Expression.All = true
		}
	}

		if err != nil {
			return nil, err
		}
	}
	return lval, nil
}

func (e *UnaryTerm) evalNode(r Record, tableAlias string) (*Value, error) {
	if e.Negated == nil {
		return e.Primary.evalNode(r, tableAlias)
	}

	v, err := e.Negated.Term.evalNode(r, tableAlias)
	if err != nil {
		return nil, err
	}

	inferTypeForArithOp(v)
	v.negate()
	if v.isNumeric() {
		return v, nil

			return err
		}
	}
	return nil
}

func (e *UnaryTerm) aggregateRow(r Record, tableAlias string) error {
	if e.Negated != nil {
		return e.Negated.Term.aggregateRow(r, tableAlias)
	}
	return e.Primary.aggregateRow(r, tableAlias)
}

func (e *PrimaryTerm) aggregateRow(r Record, tableAlias string) error {
	switch {
	case e.ListExpr != nil:
		return e.ListExpr.aggregateRow(r, tableAlias)

		result.combine(r.Right.analyze(s))
	}
	return
}

func (e *UnaryTerm) analyze(s *Select) (result qProp) {
	if e.Negated != nil {
		result = e.Negated.Term.analyze(s)
	} else {
		result = e.Primary.analyze(s)
	}
	return
}

func (e *PrimaryTerm) analyze(s *Select) (result qProp) {
	switch {
	case e.Value != nil:
		result = qProp{}

	case e.JPathExpr != nil:

	// set of byte data for PutObject.
	// object has to be created before running tests for HeadObject.
	// this is required even to assert the HeadObject data,
	// since dataInserted === dataFetched back is a primary criteria for any object storage this assertion is critical.
	bytesData := []struct {
		byteData []byte
	}{
		{generateBytesData(6 * humanize.MiByte)},
	}