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Add support for PostgreSQL interval column

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go-jet 2020-02-09 18:37:48 +01:00
parent 641c62098c
commit 3013dc3647
30 changed files with 1038 additions and 255 deletions
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55
internal/jet/operators.go
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@ -29,44 +29,71 @@ func EXISTS(subQuery Expression) BoolExpression {
return newPrefixBoolOperatorExpression(subQuery, "EXISTS")
}
// Returns a representation of "a=b"
func eq(lhs, rhs Expression) BoolExpression {
// Eq returns a representation of "a=b"
func Eq(lhs, rhs Expression) BoolExpression {
return newBinaryBoolOperatorExpression(lhs, rhs, "=")
}
// Returns a representation of "a!=b"
func notEq(lhs, rhs Expression) BoolExpression {
// NotEq returns a representation of "a!=b"
func NotEq(lhs, rhs Expression) BoolExpression {
return newBinaryBoolOperatorExpression(lhs, rhs, "!=")
}
func isDistinctFrom(lhs, rhs Expression) BoolExpression {
// IsDistinctFrom returns a representation of "a IS DISTINCT FROM b"
func IsDistinctFrom(lhs, rhs Expression) BoolExpression {
return newBinaryBoolOperatorExpression(lhs, rhs, "IS DISTINCT FROM")
}
func isNotDistinctFrom(lhs, rhs Expression) BoolExpression {
// IsNotDistinctFrom returns a representation of "a IS NOT DISTINCT FROM b"
func IsNotDistinctFrom(lhs, rhs Expression) BoolExpression {
return newBinaryBoolOperatorExpression(lhs, rhs, "IS NOT DISTINCT FROM")
}
// Returns a representation of "a<b"
func lt(lhs Expression, rhs Expression) BoolExpression {
// Lt returns a representation of "a<b"
func Lt(lhs Expression, rhs Expression) BoolExpression {
return newBinaryBoolOperatorExpression(lhs, rhs, "<")
}
// Returns a representation of "a<=b"
func ltEq(lhs, rhs Expression) BoolExpression {
// LtEq returns a representation of "a<=b"
func LtEq(lhs, rhs Expression) BoolExpression {
return newBinaryBoolOperatorExpression(lhs, rhs, "<=")
}
// Returns a representation of "a>b"
func gt(lhs, rhs Expression) BoolExpression {
// Gt returns a representation of "a>b"
func Gt(lhs, rhs Expression) BoolExpression {
return newBinaryBoolOperatorExpression(lhs, rhs, ">")
}
// Returns a representation of "a>=b"
func gtEq(lhs, rhs Expression) BoolExpression {
// GtEq returns a representation of "a>=b"
func GtEq(lhs, rhs Expression) BoolExpression {
return newBinaryBoolOperatorExpression(lhs, rhs, ">=")
}
// Add notEq returns a representation of "a + b"
func Add(lhs, rhs Serializer) Expression {
return NewBinaryOperatorExpression(lhs, rhs, "+")
}
// Sub notEq returns a representation of "a - b"
func Sub(lhs, rhs Serializer) Expression {
return NewBinaryOperatorExpression(lhs, rhs, "-")
}
// Mul returns a representation of "a * b"
func Mul(lhs, rhs Serializer) Expression {
return NewBinaryOperatorExpression(lhs, rhs, "*")
}
// Div returns a representation of "a / b"
func Div(lhs, rhs Serializer) Expression {
return NewBinaryOperatorExpression(lhs, rhs, "/")
}
// Mod returns a representation of "a % b"
func Mod(lhs, rhs Serializer) Expression {
return NewBinaryOperatorExpression(lhs, rhs, "%")
}
// --------------- CASE operator -------------------//
// CaseOperator is interface for SQL case operator