提交 9293d8ad authored 作者: noelgrandin's avatar noelgrandin

Hash indexes can only index one column. Rather throw an error message than…

Hash indexes can only index one column. Rather throw an error message than silently converting it to a different type of index.
上级 c9612df0
......@@ -234,7 +234,10 @@ public class RegularTable extends TableBase {
index = new PageBtreeIndex(this, indexId, indexName, cols, indexType, create, session);
}
} else {
if (indexType.isHash() && cols.length <= 1) {
if (indexType.isHash()) {
if (cols.length != 1) {
throw DbException.getUnsupportedException("hash indexes may index only one column");
}
if (indexType.isUnique()) {
index = new HashIndex(this, indexId, indexName, cols, indexType);
} else {
......
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