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entc/gen: generate sql builders with dialect option

Browse Source 
Summary: Pull Request resolved: https://github.com/facebookincubator/ent/pull/130

Reviewed By: alexsn

Differential Revision: D18164397

fbshipit-source-id: 2858d69d3ff85c06b51382c01c3d4369ee2c3bdb
This commit is contained in:
Ariel Mashraki
2019-10-27 21:52:31 -07:00
committed by Facebook Github Bot
parent ea479ea527
commit c259aee24b
241 changed files with 3899 additions and 2394 deletions
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56
dialect/sql/builder.go
View File

@@ -486,10 +486,11 @@ func (d *DropIndexBuilder) Query() (string, []interface{}) {
// InsertBuilder is a builder for `INSERT INTO` statement.
type InsertBuilder struct {
Builder
table string
columns []string
defaults string
values [][]interface{}
table string
columns []string
defaults string
returning []string
values [][]interface{}
}
// Insert creates a builder for the `INSERT INTO` statement.
@@ -536,23 +537,35 @@ func (i *InsertBuilder) Default() *InsertBuilder {
return i
}
// Returning adds the `RETURNING` clause to the insert statement. PostgreSQL only.
func (i *InsertBuilder) Returning(columns ...string) *InsertBuilder {
i.returning = append(i.returning, columns...)
return i
}
// Query returns query representation of an `INSERT INTO` statement.
func (i *InsertBuilder) Query() (string, []interface{}) {
i.WriteString("INSERT INTO ")
i.Ident(i.table).Pad()
if i.defaults != "" && len(i.columns) == 0 {
return i.Ident(i.table).Pad().String() + i.defaults, nil
}
i.Ident(i.table).Pad().Nested(func(b *Builder) {
b.IdentComma(i.columns...)
})
i.WriteString(" VALUES ")
for j, v := range i.values {
if j > 0 {
i.Comma()
}
i.WriteString(i.defaults)
} else {
i.Nested(func(b *Builder) {
b.Args(v...)
b.IdentComma(i.columns...)
})
i.WriteString(" VALUES ")
for j, v := range i.values {
if j > 0 {
i.Comma()
}
i.Nested(func(b *Builder) {
b.Args(v...)
})
}
}
if len(i.returning) > 0 && i.postgres() {
i.WriteString(" RETURNING ")
i.IdentComma(i.returning...)
}
return i.String(), i.args
}
@@ -1457,7 +1470,7 @@ func (s *Selector) Having(p *Predicate) *Selector {
}
// Query returns query representation of a `SELECT` statement.
func (s Selector) Query() (string, []interface{}) {
func (s *Selector) Query() (string, []interface{}) {
b := s.Builder.clone()
b.WriteString("SELECT ")
if s.distinct {
@@ -1475,13 +1488,11 @@ func (s Selector) Query() (string, []interface{}) {
b.WriteString(t.ref())
case *Selector:
t.SetDialect(s.dialect)
query, args := t.Query()
b.Nested(func(b *Builder) {
b.WriteString(query)
b.Join(t)
})
b.WriteString(" AS ")
b.Ident(t.as)
b.args = append(b.args, args...)
}
for _, join := range s.joins {
b.WriteString(" " + join.kind + " ")
@@ -1491,13 +1502,11 @@ func (s Selector) Query() (string, []interface{}) {
b.WriteString(view.ref())
case *Selector:
view.SetDialect(s.dialect)
query, args := view.Query()
b.Nested(func(b *Builder) {
b.WriteString(query)
b.Join(view)
})
b.WriteString(" AS ")
b.Ident(view.as)
b.args = append(b.args, args...)
}
if join.on != "" {
b.WriteString(" ON ")
@@ -1528,6 +1537,7 @@ func (s Selector) Query() (string, []interface{}) {
b.WriteString(" OFFSET ")
b.Arg(*s.offset)
}
s.total = b.total
return b.String(), b.args
}
@@ -1817,7 +1827,7 @@ func (b Builder) Query() (string, []interface{}) {
// clone returns a shallow clone of a builder.
func (b Builder) clone() Builder {
c := Builder{dialect: b.dialect}
c := Builder{dialect: b.dialect, total: b.total}
if len(b.args) > 0 {
c.args = append(c.args, b.args...)
}