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Fix postgres dialect for dbs with multiple schemas (#1558) 

If a postgres database contains more than one
schema methods like HasTable(...) would return
true even if the current schema does not contain a
table with that name.
This commit is contained in:
Lukas Dietrich 2017-09-04 16:22:02 +02:00 committed by Jinzhu
parent c3bb6aaa82
commit 750fd9030a
1 changed files with 3 additions and 3 deletions
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6
dialect_postgres.go
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@ -85,7 +85,7 @@ func (s *postgres) DataTypeOf(field *StructField) string {
func (s postgres) HasIndex(tableName string, indexName string) bool {
var count int
s.db.QueryRow("SELECT count(*) FROM pg_indexes WHERE tablename = $1 AND indexname = $2", tableName, indexName).Scan(&count)
s.db.QueryRow("SELECT count(*) FROM pg_indexes WHERE tablename = $1 AND indexname = $2 AND schemaname = CURRENT_SCHEMA()", tableName, indexName).Scan(&count)
return count > 0
}
@ -97,13 +97,13 @@ func (s postgres) HasForeignKey(tableName string, foreignKeyName string) bool {
func (s postgres) HasTable(tableName string) bool {
var count int
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.tables WHERE table_name = $1 AND table_type = 'BASE TABLE'", tableName).Scan(&count)
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.tables WHERE table_name = $1 AND table_type = 'BASE TABLE' AND table_schema = CURRENT_SCHEMA()", tableName).Scan(&count)
return count > 0
}
func (s postgres) HasColumn(tableName string, columnName string) bool {
var count int
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.columns WHERE table_name = $1 AND column_name = $2", tableName, columnName).Scan(&count)
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.columns WHERE table_name = $1 AND column_name = $2 AND table_schema = CURRENT_SCHEMA()", tableName, columnName).Scan(&count)
return count > 0
}