types

const (
	// BinaryOpInvalid indicates an invalid binary operation.
	BinaryOpInvalid BinaryOp = iota

	BinaryOpEq  // Equality comparison (==).
	BinaryOpNeq // Inequality comparison (!=).
	BinaryOpGt  // Greater than comparison (>).
	BinaryOpGte // Greater than or equal comparison (>=).
	BinaryOpLt  // Less than comparison (<).
	BinaryOpLte // Less than or equal comparison (<=).
	BinaryOpAnd // Logical AND operation (&&).
	BinaryOpOr  // Logical OR operation (||).
	BinaryOpXor // Logical XOR operation (^).
	BinaryOpNot // Logical NOT operation (!).

	BinaryOpAdd // Addition operation (+).
	BinaryOpSub // Subtraction operation (-).
	BinaryOpMul // Multiplication operation (*).
	BinaryOpDiv // Division operation (/).
	BinaryOpMod // Modulo operation (%).

	BinaryOpMatchStr    // String matching operation (|=).
	BinaryOpNotMatchStr // String non-matching operation (!=).
	BinaryOpMatchRe     // Regular expression matching operation (|~).
	BinaryOpNotMatchRe  // Regular expression non-matching operation (!~).
)

const (
	// ColumnTypeInvalid indicates an invalid column type.
	ColumnTypeInvalid ColumnType = iota

	ColumnTypeBuiltin  // ColumnTypeBuiltin represents a builtin column (such as timestamp).
	ColumnTypeLabel    // ColumnTypeLabel represents a column from a stream label.
	ColumnTypeMetadata // ColumnTypeMetadata represents a column from a log metadata.
)

const (
	// LiteralKindInvalid indicates an invalid literal value.
	LiteralKindInvalid LiteralKind = iota

	LiteralKindNull      // NULL literal value.
	LiteralKindString    // String literal value.
	LiteralKindInt64     // 64-bit integer literal value.
	LiteralKindUint64    // 64-bit unsigned integer literal value.
	LiteralKindByteArray // Byte array literal value.
)

const (
	// UnaryOpKindInvalid indicates an invalid unary operation.
	UnaryOpInvalid UnaryOp = iota

	UnaryOpNot // Logical NOT operation (!).
	UnaryOpAbs // Mathematical absolute operation (abs).
)

const (
	ValueTypeInvalid ValueType = iota // zero-value is an invalid type

	ValueTypeNull      // NULL value.
	ValueTypeBool      // Boolean value
	ValueTypeInt       // Signed 64bit integer value
	ValueTypeTimestamp // Unsigned 64bit integer value (nanosecond timestamp)
	ValueTypeStr       // String value
	ValueTypeBytes     // Byte-slice value
)