ast

type AggFunc int

type AggregateExpr struct {
	Func   AggFunc
	Column string
	Alias  string
}

type ComparisonNode struct {
	Column string
	Op     Operator
	Value  any
	Values []any
}

type Direction int

type LogicalOp int

type Operator int

type OrderByExpr struct {
	Column    string
	Direction Direction
}

type QueryType int

type SelectNode struct {
	Table      string
	Columns    []string
	Where      *WhereClause
	OrderBy    []OrderByExpr
	Limit      *int
	Offset     *int
	Type       QueryType
	GroupBy    []string
	Having     *WhereClause
	Aggregates []AggregateExpr
}

type WhereClause struct {
	Comparison *ComparisonNode
	LogicalOp  LogicalOp
	Children   []WhereClause
	Raw        *string
	RawArgs    []any
}