/**
* @param schemaTable
* @param tableDef
* @throws SqlJetException
*/
private void dropTableIndexes(SqlJetTableDef tableDef) throws SqlJetException {
final String tableName = tableDef.getName();
final Iterator<Map.Entry<String, ISqlJetIndexDef>> iterator = indexDefs.entrySet().iterator();
while (iterator.hasNext()) {
final Map.Entry<String, ISqlJetIndexDef> indexDefEntry = iterator.next();
final String indexName = indexDefEntry.getKey();
final ISqlJetIndexDef indexDef = indexDefEntry.getValue();
if (indexDef.getTableName().equals(tableName)) {
if (doDropIndex(indexName, true, false)) {
iterator.remove();
}
}
}
}
public Set<ISqlJetIndexDef> getIndexes(String tableName) throws SqlJetException {
db.getMutex().enter();
try {
Set<ISqlJetIndexDef> result = new HashSet<ISqlJetIndexDef>();
for (ISqlJetIndexDef index : indexDefs.values()) {
if (index.getTableName().equals(tableName)) {
result.add(index);
}
}
return Collections.unmodifiableSet(result);
} finally {
db.getMutex().leave();
}
}
@Override
public String toString() {
db.getMutex().enter();
try {
StringBuffer buffer = new StringBuffer();
buffer.append("Tables:\n");
for (ISqlJetTableDef tableDef : tableDefs.values()) {
buffer.append(tableDef.toString());
buffer.append('\n');
}
buffer.append("Indexes:\n");
for (ISqlJetIndexDef indexDef : indexDefs.values()) {
buffer.append(indexDef.toString());
buffer.append('\n');
}
return buffer.toString();
} finally {
db.getMutex().leave();
}
}
/**
* @param schemaTable
* @param newTableName
* @param tableName
* @param string
* @throws SqlJetException
*/
private void renameTablesIndices(
final ISqlJetBtreeSchemaTable schemaTable,
String tableName,
String newTableName,
String alterTableName)
throws SqlJetException {
final Set<ISqlJetIndexDef> indexes = getIndexes(tableName);
if (null == indexes || 0 == indexes.size()) {
return;
}
int i = 0;
for (final ISqlJetIndexDef index : indexes) {
if (index instanceof SqlJetBaseIndexDef) {
final SqlJetBaseIndexDef indexDef = (SqlJetBaseIndexDef) index;
final String indexName = indexDef.getName();
final long rowId = indexDef.getRowId();
final int page = indexDef.getPage();
if (!schemaTable.goToRow(rowId)) {
throw new SqlJetException(SqlJetErrorCode.CORRUPT);
}
final String typeField = schemaTable.getTypeField();
final String nameField = schemaTable.getNameField();
final String tableField = schemaTable.getTableField();
final int pageField = schemaTable.getPageField();
if (null == typeField || !INDEX_TYPE.equals(typeField)) {
throw new SqlJetException(SqlJetErrorCode.CORRUPT);
}
if (null == nameField || !indexName.equals(nameField)) {
throw new SqlJetException(SqlJetErrorCode.CORRUPT);
}
if (null == tableField || !tableName.equals(tableField)) {
throw new SqlJetException(SqlJetErrorCode.CORRUPT);
}
if (0 == pageField || pageField != page) {
throw new SqlJetException(SqlJetErrorCode.CORRUPT);
}
indexDef.setTableName(newTableName);
String newIndexName = indexName;
String alteredIndexSql = null;
if (index.isImplicit()) {
newIndexName = generateAutoIndexName(tableName, ++i);
indexDef.setName(newIndexName);
indexDefs.remove(indexName);
indexDefs.put(newIndexName, indexDef);
} else {
alteredIndexSql = getAlteredIndexSql(schemaTable.getSqlField(), alterTableName);
}
schemaTable.insertRecord(INDEX_TYPE, newIndexName, newTableName, page, alteredIndexSql);
} else {
throw new SqlJetException(SqlJetErrorCode.INTERNAL);
}
}
}
