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support default for insert #600

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support default for insert #600

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3 changes: 3 additions & 0 deletions sqlparser/analyzer_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,9 @@ func TestGetDBName(t *testing.T) {
"insert into a values(1)",
"update a set c=1",
"delete from a where c=d",
"insert into a(b, c) values (default, 2)",
"insert into a values (default, 2)",
"insert into a(b, c) values (1, default(c))",
}
for _, stmt := range wantNo {
result, err := GetDBName(stmt)
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36 changes: 25 additions & 11 deletions sqlparser/ast.go
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Original file line number Diff line number Diff line change
Expand Up @@ -475,6 +475,7 @@ func (*BinaryExpr) IExpr() {}
func (*UnaryExpr) IExpr() {}
func (*FuncExpr) IExpr() {}
func (*CaseExpr) IExpr() {}
func (*DefaultExpr) IExpr() {}

// BoolExpr represents a boolean expression.
type BoolExpr interface {
Expand Down Expand Up @@ -600,17 +601,18 @@ type ValExpr interface {
Expr
}

func (StrVal) IValExpr() {}
func (NumVal) IValExpr() {}
func (ValArg) IValExpr() {}
func (*NullVal) IValExpr() {}
func (*ColName) IValExpr() {}
func (ValTuple) IValExpr() {}
func (*Subquery) IValExpr() {}
func (*BinaryExpr) IValExpr() {}
func (*UnaryExpr) IValExpr() {}
func (*FuncExpr) IValExpr() {}
func (*CaseExpr) IValExpr() {}
func (StrVal) IValExpr() {}
func (NumVal) IValExpr() {}
func (ValArg) IValExpr() {}
func (*NullVal) IValExpr() {}
func (*ColName) IValExpr() {}
func (ValTuple) IValExpr() {}
func (*Subquery) IValExpr() {}
func (*BinaryExpr) IValExpr() {}
func (*UnaryExpr) IValExpr() {}
func (*FuncExpr) IValExpr() {}
func (*CaseExpr) IValExpr() {}
func (*DefaultExpr) IValExpr() {}

// StrVal represents a string value.
type StrVal []byte
Expand Down Expand Up @@ -774,6 +776,18 @@ func (node *CaseExpr) Format(buf *TrackedBuffer) {
buf.Fprintf("end")
}

// DefaultExpr represents a DEFAULT expression.
type DefaultExpr struct {
Name *ColName
}

func (node *DefaultExpr) Format(buf *TrackedBuffer) {
buf.Fprintf("default")
if node.Name != nil {
buf.Fprintf("(%v)", node.Name)
}
}

// When represents a WHEN sub-expression.
type When struct {
Cond BoolExpr
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