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Fix up hash interface and speed up save queries 10x

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Fix all optimizer
This commit is contained in:
Barak Michener 2015-08-10 15:41:22 -04:00
parent ab3f59d21f
commit aedd0401e2
5 changed files with 26 additions and 12 deletions
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9
graph/sql/sql_node_intersection.go
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@ -103,7 +103,7 @@ func (n *SQLNodeIntersection) buildSubqueries() []tableDef {
for i, it := range n.nodeIts {
var td tableDef
var table string
table, td.values = it.buildSQL(true, nil, true)
table, td.values = it.buildSQL(true, nil, false)
td.table = fmt.Sprintf("\n(%s)", table[:len(table)-1])
td.name = n.nodetables[i]
out = append(out, td)
@ -159,11 +159,14 @@ func (n *SQLNodeIntersection) buildWhere() (string, []string) {
return query, vals
}
func (n *SQLNodeIntersection) buildSQL(next bool, val graph.Value, _ bool) (string, []string) {
func (n *SQLNodeIntersection) buildSQL(next bool, val graph.Value, topLevel bool) (string, []string) {
topData := n.tableID()
tags := []tagDir{topData}
tags = append(tags, n.getTags()...)
query := "SELECT DISTINCT "
query := "SELECT "
if topLevel {
query += "DISTINCT "
}
var t []string
for _, v := range tags {
t = append(t, v.String())