提交 40d0ad31 authored 作者: Thomas Mueller's avatar Thomas Mueller

The data index is no longer called 'scan' because sometimes it's a direct lookup.

上级 7de44b9e
...@@ -45,7 +45,7 @@ public class ScanIndex extends BaseIndex implements RowIndex { ...@@ -45,7 +45,7 @@ public class ScanIndex extends BaseIndex implements RowIndex {
private long rowCount; private long rowCount;
public ScanIndex(TableData table, int id, IndexColumn[] columns, IndexType indexType) { public ScanIndex(TableData table, int id, IndexColumn[] columns, IndexType indexType) {
initBaseIndex(table, id, table.getName() + "_TABLE_SCAN", columns, indexType); initBaseIndex(table, id, table.getName() + "_DATA", columns, indexType);
if (database.isMultiVersion()) { if (database.isMultiVersion()) {
sessionRowCount = New.hashMap(); sessionRowCount = New.hashMap();
} }
......
...@@ -22,7 +22,7 @@ SELECT COUNT(*) FROM TEST; ...@@ -22,7 +22,7 @@ SELECT COUNT(*) FROM TEST;
-- Display the query plan - 'direct lookup' means the index is used -- Display the query plan - 'direct lookup' means the index is used
EXPLAIN SELECT COUNT(*) FROM TEST; EXPLAIN SELECT COUNT(*) FROM TEST;
--> SELECT COUNT(*) --> SELECT COUNT(*)
--> FROM PUBLIC.TEST /* PUBLIC.TEST_TABLE_SCAN */ --> FROM PUBLIC.TEST /* PUBLIC.TEST_DATA */
--> /* direct lookup */ --> /* direct lookup */
; ;
...@@ -90,7 +90,7 @@ SELECT MIN(VALUE), MAX(VALUE) FROM TEST; ...@@ -90,7 +90,7 @@ SELECT MIN(VALUE), MAX(VALUE) FROM TEST;
-- Display the query plan - 'direct lookup' means it's optimized -- Display the query plan - 'direct lookup' means it's optimized
EXPLAIN SELECT MIN(VALUE), MAX(VALUE) FROM TEST; EXPLAIN SELECT MIN(VALUE), MAX(VALUE) FROM TEST;
--> SELECT MIN(VALUE), MAX(VALUE) --> SELECT MIN(VALUE), MAX(VALUE)
--> FROM PUBLIC.TEST /* PUBLIC.TEST_TABLE_SCAN */ --> FROM PUBLIC.TEST /* PUBLIC.TEST_DATA */
--> /* direct lookup */ --> /* direct lookup */
; ;
......
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