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dialect/sql/schema: correctly check pg unique constraint

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This commit is contained in:
Ariel Mashraki
2019-12-15 16:41:28 +02:00
parent 98f1a28ad6
commit 25fe5b8f4a
1 changed files with 7 additions and 1 deletions
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8
dialect/sql/schema/schema.go
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@@ -108,7 +108,13 @@ func (t *Table) index(name string) (*Index, bool) {
}
// If it is an "implicit index" (unique constraint on
// table creation) and it didn't load on table scanning.
if c, ok := t.column(name); ok && c.Unique {
c, ok := t.column(name)
if !ok {
// Postgres naming convention for unique constraint.
name = strings.TrimSuffix(name, "_key")
c, ok = t.column(name)
}
if ok && c.Unique {
return &Index{Name: name, Unique: c.Unique, Columns: []*Column{c}, columns: []string{c.Name}}, true
}
return nil, false