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dialect/sql: allow appending select columns to query

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This commit is contained in:
Ariel Mashraki
2021-06-01 11:35:59 +03:00
committed by Ariel Mashraki
parent fdc5f2b7e9
commit f5c284787f
88 changed files with 621 additions and 761 deletions
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16
examples/o2orecur/ent/node_query.go
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@@ -545,10 +545,14 @@ func (nq *NodeQuery) querySpec() *sqlgraph.QuerySpec {
func (nq *NodeQuery) sqlQuery(ctx context.Context) *sql.Selector {
builder := sql.Dialect(nq.driver.Dialect())
t1 := builder.Table(node.Table)
selector := builder.Select(t1.Columns(node.Columns...)...).From(t1)
columns := nq.fields
if len(columns) == 0 {
columns = node.Columns
}
selector := builder.Select(t1.Columns(columns...)...).From(t1)
if nq.sql != nil {
selector = nq.sql
selector.Select(selector.Columns(node.Columns...)...)
selector.Select(selector.Columns(columns...)...)
}
for _, p := range nq.predicates {
p(selector)
@@ -1049,16 +1053,10 @@ func (ns *NodeSelect) BoolX(ctx context.Context) bool {
func (ns *NodeSelect) sqlScan(ctx context.Context, v interface{}) error {
rows := &sql.Rows{}
query, args := ns.sqlQuery().Query()
query, args := ns.sql.Query()
if err := ns.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}
func (ns *NodeSelect) sqlQuery() sql.Querier {
selector := ns.sql
selector.Select(selector.Columns(ns.fields...)...)
return selector
}