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/* Copyright (c) 2001-2010, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb;
import org.hsqldb.HsqlNameManager.HsqlName;
import org.hsqldb.error.Error;
import org.hsqldb.error.ErrorCode;
import org.hsqldb.lib.HashMappedList;
import org.hsqldb.lib.HsqlArrayList;
import org.hsqldb.lib.Iterator;
import org.hsqldb.lib.MultiValueHashMap;
import org.hsqldb.lib.OrderedHashSet;
import org.hsqldb.lib.StringConverter;
import org.hsqldb.lib.WrapperIterator;
import org.hsqldb.navigator.RowIterator;
import org.hsqldb.rights.Grantee;
import org.hsqldb.types.Type;
/**
* Manages all SCHEMA related database objects
*
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 1.9.0
* @since 1.8.0
*/
public class SchemaManager {
Database database;
HsqlName defaultSchemaHsqlName;
HashMappedList schemaMap = new HashMappedList();
MultiValueHashMap referenceMap = new MultiValueHashMap();
int defaultTableType = TableBase.MEMORY_TABLE;
long schemaChangeTimestamp;
public SchemaManager(Database database) {
this.database = database;
defaultSchemaHsqlName = SqlInvariants.INFORMATION_SCHEMA_HSQLNAME;
Schema schema =
new Schema(SqlInvariants.INFORMATION_SCHEMA_HSQLNAME,
SqlInvariants.INFORMATION_SCHEMA_HSQLNAME.owner);
schemaMap.put(schema.getName().name, schema);
try {
schema.typeLookup.add(SqlInvariants.CARDINAL_NUMBER);
schema.typeLookup.add(SqlInvariants.YES_OR_NO);
schema.typeLookup.add(SqlInvariants.CHARACTER_DATA);
schema.typeLookup.add(SqlInvariants.SQL_IDENTIFIER);
schema.typeLookup.add(SqlInvariants.TIME_STAMP);
schema.charsetLookup.add(SqlInvariants.SQL_TEXT);
schema.charsetLookup.add(SqlInvariants.SQL_IDENTIFIER_CHARSET);
schema.charsetLookup.add(SqlInvariants.SQL_CHARACTER);
} catch (HsqlException e) {}
}
public void setSchemaChangeTimestamp() {
schemaChangeTimestamp = database.txManager.getGlobalChangeTimestamp();
}
public long getSchemaChangeTimestamp() {
return schemaChangeTimestamp;
}
// pre-defined
public HsqlName getSQLJSchemaHsqlName() {
return SqlInvariants.SQLJ_SCHEMA_HSQLNAME;
}
// SCHEMA management
public void createPublicSchema() {
HsqlName name = database.nameManager.newHsqlName(null,
SqlInvariants.PUBLIC_SCHEMA, SchemaObject.SCHEMA);
Schema schema = new Schema(name,
database.getGranteeManager().getDBARole());
defaultSchemaHsqlName = schema.getName();
schemaMap.put(schema.getName().name, schema);
}
/**
* Creates a schema belonging to the given grantee.
*/
public void createSchema(HsqlName name, Grantee owner) {
SqlInvariants.checkSchemaNameNotSystem(name.name);
Schema schema = new Schema(name, owner);
schemaMap.add(name.name, schema);
}
public void dropSchema(Session session, String name, boolean cascade) {
Schema schema = (Schema) schemaMap.get(name);
if (schema == null) {
throw Error.error(ErrorCode.X_42501, name);
}
if (SqlInvariants.isLobsSchemaName(name)) {
throw Error.error(ErrorCode.X_42503, name);
}
if (!cascade && !schema.isEmpty()) {
throw Error.error(ErrorCode.X_2B000);
}
OrderedHashSet externalReferences = new OrderedHashSet();
getCascadingSchemaReferences(schema.getName(), externalReferences);
removeSchemaObjects(externalReferences);
Iterator tableIterator =
schema.schemaObjectIterator(SchemaObject.TABLE);
while (tableIterator.hasNext()) {
Table table = ((Table) tableIterator.next());
Constraint[] list = table.getFKConstraints();
for (int i = 0; i < list.length; i++) {
Constraint constraint = list[i];
if (constraint.getMain().getSchemaName() != schema.getName()) {
constraint.getMain().removeConstraint(
constraint.getMainName().name);
}
}
removeTable(session, table);
}
Iterator sequenceIterator =
schema.schemaObjectIterator(SchemaObject.SEQUENCE);
while (sequenceIterator.hasNext()) {
NumberSequence sequence =
((NumberSequence) sequenceIterator.next());
database.getGranteeManager().removeDbObject(sequence.getName());
}
schema.clearStructures();
schemaMap.remove(name);
if (defaultSchemaHsqlName.name.equals(name)) {
HsqlName hsqlName = database.nameManager.newHsqlName(name, false,
SchemaObject.SCHEMA);
schema = new Schema(hsqlName,
database.getGranteeManager().getDBARole());
defaultSchemaHsqlName = schema.getName();
schemaMap.put(schema.getName().name, schema);
}
// these are called last and in this particular order
database.getUserManager().removeSchemaReference(name);
database.getSessionManager().removeSchemaReference(schema);
}
public void renameSchema(HsqlName name, HsqlName newName) {
Schema schema = (Schema) schemaMap.get(name.name);
Schema exists = (Schema) schemaMap.get(newName.name);
if (schema == null) {
throw Error.error(ErrorCode.X_42501, name.name);
}
if (exists != null) {
throw Error.error(ErrorCode.X_42504, newName.name);
}
SqlInvariants.checkSchemaNameNotSystem(name.name);
SqlInvariants.checkSchemaNameNotSystem(newName.name);
int index = schemaMap.getIndex(name.name);
schema.getName().rename(newName);
schemaMap.set(index, newName.name, schema);
}
public void clearStructures() {
Iterator it = schemaMap.values().iterator();
while (it.hasNext()) {
Schema schema = (Schema) it.next();
schema.clearStructures();
}
}
public Iterator allSchemaNameIterator() {
return schemaMap.keySet().iterator();
}
public HsqlName getUserSchemaHsqlName(String name) {
Schema schema = (Schema) schemaMap.get(name);
if (schema == null) {
throw Error.error(ErrorCode.X_3F000, name);
}
if (schema.getName() == SqlInvariants.INFORMATION_SCHEMA_HSQLNAME) {
throw Error.error(ErrorCode.X_3F000, name);
}
return schema.getName();
}
public Grantee toSchemaOwner(String name) {
// Note that INFORMATION_SCHEMA and DEFINITION_SCHEMA aren't in the
// backing map.
// This may not be the most elegant solution, but it is the safest
// (without doing a code review for implications of adding
// them to the map).
if (SqlInvariants.INFORMATION_SCHEMA_HSQLNAME.name.equals(name)) {
return SqlInvariants.INFORMATION_SCHEMA_HSQLNAME.owner;
}
Schema schema = (Schema) schemaMap.get(name);
return schema == null ? null
: schema.getOwner();
}
public HsqlName getDefaultSchemaHsqlName() {
return defaultSchemaHsqlName;
}
public void setDefaultSchemaHsqlName(HsqlName name) {
defaultSchemaHsqlName = name;
}
public boolean schemaExists(String name) {
return SqlInvariants.INFORMATION_SCHEMA.equals(name)
|| schemaMap.containsKey(name);
}
public HsqlName findSchemaHsqlName(String name) {
Schema schema = ((Schema) schemaMap.get(name));
if (schema == null) {
return null;
}
return schema.getName();
}
/**
* If schemaName is null, return the default schema name, else return
* the HsqlName object for the schema. If schemaName does not exist,
* throw.
*/
public HsqlName getSchemaHsqlName(String name) {
if (name == null) {
return defaultSchemaHsqlName;
}
if (SqlInvariants.INFORMATION_SCHEMA.equals(name)) {
return SqlInvariants.INFORMATION_SCHEMA_HSQLNAME;
}
Schema schema = ((Schema) schemaMap.get(name));
if (schema == null) {
throw Error.error(ErrorCode.X_3F000, name);
}
return schema.getName();
}
/**
* Same as above, but return string
*/
public String getSchemaName(String name) {
return getSchemaHsqlName(name).name;
}
public Schema findSchema(String name) {
return ((Schema) schemaMap.get(name));
}
/**
* Iterator includes DEFINITION_SCHEMA
*/
public Iterator fullSchemaNamesIterator() {
return schemaMap.keySet().iterator();
}
/**
* is a grantee the authorization of any schema
*/
boolean isSchemaAuthorisation(Grantee grantee) {
Iterator schemas = allSchemaNameIterator();
while (schemas.hasNext()) {
String schemaName = (String) schemas.next();
if (grantee.equals(toSchemaOwner(schemaName))) {
return true;
}
}
return false;
}
/**
* drop all schemas with the given authorisation
*/
public void dropSchemas(Session session, Grantee grantee,
boolean cascade) {
HsqlArrayList list = getSchemas(grantee);
Iterator it = list.iterator();
while (it.hasNext()) {
Schema schema = (Schema) it.next();
dropSchema(session, schema.getName().name, cascade);
}
}
public HsqlArrayList getSchemas(Grantee grantee) {
HsqlArrayList list = new HsqlArrayList();
Iterator it = schemaMap.values().iterator();
while (it.hasNext()) {
Schema schema = (Schema) it.next();
if (grantee.equals(schema.getOwner())) {
list.add(schema);
}
}
return list;
}
public boolean hasSchemas(Grantee grantee) {
Iterator it = schemaMap.values().iterator();
while (it.hasNext()) {
Schema schema = (Schema) it.next();
if (grantee.equals(schema.getOwner())) {
return true;
}
}
return false;
}
/**
* Returns an HsqlArrayList containing references to all non-system
* tables and views. This includes all tables and views registered with
* this Database.
*/
public HsqlArrayList getAllTables() {
Iterator schemas = allSchemaNameIterator();
HsqlArrayList alltables = new HsqlArrayList();
while (schemas.hasNext()) {
String name = (String) schemas.next();
if (SqlInvariants.isLobsSchemaName(name)) {
continue;
}
if (SqlInvariants.isSystemSchemaName(name)) {
continue;
}
HashMappedList current = getTables(name);
alltables.addAll(current.values());
}
return alltables;
}
public HashMappedList getTables(String schema) {
Schema temp = (Schema) schemaMap.get(schema);
return temp.tableList;
}
public HsqlName[] getCatalogAndBaseTableNames() {
OrderedHashSet names = new OrderedHashSet();
HsqlArrayList tables = getAllTables();
for (int i = 0; i < tables.size(); i++) {
Table table = (Table) tables.get(i);
if (!table.isTemp()) {
names.add(table.getName());
}
}
names.add(database.getCatalogName());
HsqlName[] array = new HsqlName[names.size()];
names.toArray(array);
return array;
}
private SchemaObjectSet getSchemaObjectSet(Schema schema, int type) {
SchemaObjectSet set = null;
switch (type) {
case SchemaObject.SEQUENCE :
set = schema.sequenceLookup;
break;
case SchemaObject.TABLE :
case SchemaObject.VIEW :
set = schema.tableLookup;
break;
case SchemaObject.CHARSET :
set = schema.charsetLookup;
break;
case SchemaObject.COLLATION :
set = schema.collationLookup;
break;
case SchemaObject.PROCEDURE :
set = schema.procedureLookup;
break;
case SchemaObject.FUNCTION :
set = schema.functionLookup;
break;
case SchemaObject.DOMAIN :
case SchemaObject.TYPE :
set = schema.typeLookup;
break;
case SchemaObject.INDEX :
set = schema.indexLookup;
break;
case SchemaObject.CONSTRAINT :
set = schema.constraintLookup;
break;
case SchemaObject.TRIGGER :
set = schema.triggerLookup;
break;
case SchemaObject.SPECIFIC_ROUTINE :
set = schema.specificRoutineLookup;
}
return set;
}
public void checkSchemaObjectNotExists(HsqlName name) {
Schema schema = (Schema) schemaMap.get(name.schema.name);
SchemaObjectSet set = getSchemaObjectSet(schema, name.type);
set.checkAdd(name);
}
/**
* Returns the specified user-defined table or view visible within the
* context of the specified Session, or any system table of the given
* name. It excludes any temp tables created in other Sessions.
* Throws if the table does not exist in the context.
*/
public Table getTable(Session session, String name, String schema) {
Table t = null;
if (Tokens.T_MODULE.equals(schema)) {
t = findSessionTable(session, name, null);
if (t == null) {
throw Error.error(ErrorCode.X_42501, name);
}
}
if (schema == null) {
t = findSessionTable(session, name, null);
}
if (t == null) {
schema = session.getSchemaName(schema);
t = findUserTable(session, name, schema);
}
if (t == null) {
if (SqlInvariants.INFORMATION_SCHEMA.equals(schema)
&& database.dbInfo != null) {
t = database.dbInfo.getSystemTable(session, name);
}
}
if (t == null) {
throw Error.error(ErrorCode.X_42501, name);
}
return t;
}
public Table getUserTable(Session session, HsqlName name) {
return getUserTable(session, name.name, name.schema.name);
}
/**
* Returns the specified user-defined table or view visible within the
* context of the specified Session. It excludes system tables and
* any temp tables created in different Sessions.
* Throws if the table does not exist in the context.
*/
public Table getUserTable(Session session, String name, String schema) {
Table t = findUserTable(session, name, schema);
if (t == null) {
throw Error.error(ErrorCode.X_42501, name);
}
return t;
}
/**
* Returns the specified user-defined table or view visible within the
* context of the specified schema. It excludes system tables.
* Returns null if the table does not exist in the context.
*/
public Table findUserTable(Session session, String name,
String schemaName) {
Schema schema = (Schema) schemaMap.get(schemaName);
if (schema == null) {
return null;
}
int i = schema.tableList.getIndex(name);
if (i == -1) {
return null;
}
return (Table) schema.tableList.get(i);
}
/**
* Returns the specified session context table.
* Returns null if the table does not exist in the context.
*/
public Table findSessionTable(Session session, String name,
String schemaName) {
return session.findSessionTable(name);
}
/**
* Drops the specified user-defined view or table from this Database object.
*
* <p> The process of dropping a table or view includes:
* <OL>
* <LI> checking that the specified Session's currently connected User has
* the right to perform this operation and refusing to proceed if not by
* throwing.
* <LI> checking for referential constraints that conflict with this
* operation and refusing to proceed if they exist by throwing.</LI>
* <LI> removing the specified Table from this Database object.
* <LI> removing any exported foreign keys Constraint objects held by any
* tables referenced by the table to be dropped. This is especially
* important so that the dropped Table ceases to be referenced, eventually
* allowing its full garbage collection.
* <LI>
* </OL>
*
* <p>
*
* @param session the connected context in which to perform this operation
* @param table if true and if the Table to drop does not exist, fail
* silently, else throw
* @param cascade true if the name argument refers to a View
*/
public void dropTableOrView(Session session, Table table,
boolean cascade) {
// ft - concurrent
session.commit(false);
if (table.isView()) {
removeSchemaObject(table.getName(), cascade);
} else {
dropTable(session, table, cascade);
}
}
private void dropTable(Session session, Table table, boolean cascade) {
Schema schema = (Schema) schemaMap.get(table.getSchemaName().name);
int dropIndex = schema.tableList.getIndex(table.getName().name);
OrderedHashSet externalConstraints =
table.getDependentExternalConstraints();
OrderedHashSet externalReferences = new OrderedHashSet();
getCascadingReferencingObjectNames(table.getName(),
externalReferences);
if (!cascade) {
for (int i = 0; i < externalConstraints.size(); i++) {
Constraint c = (Constraint) externalConstraints.get(i);
HsqlName tablename = c.getRef().getName();
HsqlName refname = c.getRefName();
if (c.getConstraintType()
== SchemaObject.ConstraintTypes.MAIN) {
throw Error.error(ErrorCode.X_42533,
refname.schema.name + '.'
+ tablename.name + '.' + refname.name);
}
}
if (!externalReferences.isEmpty()) {
int i = 0;
for (; i < externalReferences.size(); i++) {
HsqlName name = (HsqlName) externalReferences.get(i);
if (name.parent == table.getName()) {
continue;
}
throw Error.error(ErrorCode.X_42502,
name.getSchemaQualifiedStatementName());
}
}
}
OrderedHashSet tableSet = new OrderedHashSet();
OrderedHashSet constraintNameSet = new OrderedHashSet();
OrderedHashSet indexNameSet = new OrderedHashSet();
// only columns with refs
OrderedHashSet childReferences = table.getReferences();
SchemaObject[] triggers = table.getTriggers();
for (int i = 0; i < triggers.length; i++) {
childReferences.add(triggers[i].getName());
}
for (int i = 0; i < externalConstraints.size(); i++) {
Constraint c = (Constraint) externalConstraints.get(i);
Table t = c.getMain();
if (t != table) {
tableSet.add(t);
}
t = c.getRef();
if (t != table) {
tableSet.add(t);
}
constraintNameSet.add(c.getMainName());
constraintNameSet.add(c.getRefName());
indexNameSet.add(c.getRefIndex().getName());
}
TableWorks tw = new TableWorks(session, table);
tableSet = tw.makeNewTables(tableSet, constraintNameSet, indexNameSet);
tw.setNewTablesInSchema(tableSet);
tw.updateConstraints(tableSet, constraintNameSet);
removeSchemaObjects(externalReferences);
removeSchemaObjects(childReferences);
removeReferencedObject(table.getName());
removeReferencingObject(table);
schema.tableList.remove(dropIndex);
schema.indexLookup.removeParent(table.getName());
schema.constraintLookup.removeParent(table.getName());
removeTable(session, table);
recompileDependentObjects(tableSet);
}
private void removeTable(Session session, Table table) {
database.getGranteeManager().removeDbObject(table.getName());
table.releaseTriggers();
if (table.hasLobColumn()) {
RowIterator it = table.rowIterator(session);
while (it.hasNext()) {
Row row = it.getNextRow();
Object[] data = row.getData();
session.sessionData.adjustLobUsageCount(table, data, -1);
}
}
database.persistentStoreCollection.releaseStore(table);
}
public void setTable(int index, Table table) {
Schema schema = (Schema) schemaMap.get(table.getSchemaName().name);
schema.tableList.set(index, table.getName().name, table);
}
/**
* Returns index of a table or view in the HashMappedList that
* contains the table objects for this Database.
*
* @param table the Table object
* @return the index of the specified table or view, or -1 if not found
*/
public int getTableIndex(Table table) {
Schema schema = (Schema) schemaMap.get(table.getSchemaName().name);
if (schema == null) {
return -1;
}
HsqlName name = table.getName();
return schema.tableList.getIndex(name.name);
}
public void recompileDependentObjects(OrderedHashSet tableSet) {
OrderedHashSet set = new OrderedHashSet();
for (int i = 0; i < tableSet.size(); i++) {
Table table = (Table) tableSet.get(i);
set.addAll(getReferencingObjectNames(table.getName()));
}
Session session = database.sessionManager.getSysSession();
for (int i = 0; i < set.size(); i++) {
HsqlName name = (HsqlName) set.get(i);
switch (name.type) {
case SchemaObject.VIEW :
case SchemaObject.CONSTRAINT :
case SchemaObject.ASSERTION :
case SchemaObject.ROUTINE :
case SchemaObject.PROCEDURE :
case SchemaObject.FUNCTION :
case SchemaObject.SPECIFIC_ROUTINE :
SchemaObject object = getSchemaObject(name);
object.compile(session, null);
break;
}
}
}
/**
* After addition or removal of columns and indexes all views that
* reference the table should be recompiled.
*/
public void recompileDependentObjects(Table table) {
OrderedHashSet set = new OrderedHashSet();
getCascadingReferencingObjectNames(table.getName(), set);
Session session = database.sessionManager.getSysSession();
for (int i = 0; i < set.size(); i++) {
HsqlName name = (HsqlName) set.get(i);
switch (name.type) {
case SchemaObject.VIEW :
case SchemaObject.CONSTRAINT :
case SchemaObject.ASSERTION :
case SchemaObject.ROUTINE :
case SchemaObject.PROCEDURE :
case SchemaObject.FUNCTION :
case SchemaObject.SPECIFIC_ROUTINE :
SchemaObject object = getSchemaObject(name);
object.compile(session, null);
break;
}
}
HsqlArrayList list = getAllTables();
for (int i = 0; i < list.size(); i++) {
Table t = (Table) list.get(i);
t.verifyConstraintsIntegrity();
}
}
public NumberSequence getSequence(String name, String schemaName,
boolean raise) {
Schema schema = (Schema) schemaMap.get(schemaName);
if (schema != null) {
NumberSequence object =
(NumberSequence) schema.sequenceList.get(name);
if (object != null) {
return object;
}
}
if (raise) {
throw Error.error(ErrorCode.X_42501, name);
}
return null;
}
public Type getUserDefinedType(String name, String schemaName,
boolean raise) {
Schema schema = (Schema) schemaMap.get(schemaName);
if (schema != null) {
SchemaObject object = schema.typeLookup.getObject(name);
if (object != null) {
return (Type) object;
}
}
if (raise) {
throw Error.error(ErrorCode.X_42501, name);
}
return null;
}
public Type getDomain(String name, String schemaName, boolean raise) {
Schema schema = (Schema) schemaMap.get(schemaName);
if (schema != null) {
SchemaObject object = schema.typeLookup.getObject(name);
if (object != null && ((Type) object).isDomainType()) {
return (Type) object;
}
}
if (raise) {
throw Error.error(ErrorCode.X_42501, name);
}
return null;
}
public Type getDistinctType(String name, String schemaName,
boolean raise) {
Schema schema = (Schema) schemaMap.get(schemaName);
if (schema != null) {
SchemaObject object = schema.typeLookup.getObject(name);
if (object != null && ((Type) object).isDomainType()) {
return (Type) object;
}
}
if (raise) {
throw Error.error(ErrorCode.X_42501, name);
}
return null;
}
public SchemaObject getSchemaObject(String name, String schemaName,
int type) {
SchemaObject object = findSchemaObject(name, schemaName, type);
if (object == null) {
throw Error.error(SchemaObjectSet.getGetErrorCode(type), name);
}
return object;
}
public SchemaObject findSchemaObject(String name, String schemaName,
int type) {
Schema schema = (Schema) schemaMap.get(schemaName);
if (schema == null) {
return null;
}
SchemaObjectSet set = null;
HsqlName objectName;
Table table;
switch (type) {
case SchemaObject.SEQUENCE :
return schema.sequenceLookup.getObject(name);
case SchemaObject.TABLE :
case SchemaObject.VIEW :
return schema.tableLookup.getObject(name);
case SchemaObject.CHARSET :
if (name.equals("SQL_IDENTIFIER")) {
return SqlInvariants.SQL_IDENTIFIER_CHARSET;
}
if (name.equals("SQL_TEXT")) {
return SqlInvariants.SQL_TEXT;
}
if (name.equals("LATIN1")) {
return SqlInvariants.LATIN1;
}
if (name.equals("ASCII_GRAPHIC")) {
return SqlInvariants.ASCII_GRAPHIC;
}
return schema.charsetLookup.getObject(name);
case SchemaObject.COLLATION :
return schema.collationLookup.getObject(name);
case SchemaObject.PROCEDURE :
return schema.procedureLookup.getObject(name);
case SchemaObject.FUNCTION :
return schema.functionLookup.getObject(name);
case SchemaObject.ROUTINE : {
SchemaObject object = schema.procedureLookup.getObject(name);
if (object == null) {
object = schema.functionLookup.getObject(name);
}
return object;
}
case SchemaObject.SPECIFIC_ROUTINE :
return schema.specificRoutineLookup.getObject(name);
case SchemaObject.DOMAIN :
case SchemaObject.TYPE :
return schema.typeLookup.getObject(name);
case SchemaObject.INDEX :
set = schema.indexLookup;
objectName = set.getName(name);
if (objectName == null) {
return null;
}
table = (Table) schema.tableList.get(objectName.parent.name);
return table.getIndex(name);
case SchemaObject.CONSTRAINT :
set = schema.constraintLookup;
objectName = set.getName(name);
if (objectName == null) {
return null;
}
table = (Table) schema.tableList.get(objectName.parent.name);
if (table == null) {
return null;
}
return table.getConstraint(name);
case SchemaObject.TRIGGER :
set = schema.indexLookup;
objectName = set.getName(name);
if (objectName == null) {
return null;
}
table = (Table) schema.tableList.get(objectName.parent.name);
return table.getTrigger(name);
default :
throw Error.runtimeError(ErrorCode.U_S0500, "SchemaManager");
}
}
// INDEX management
/**
* Returns the table that has an index with the given name and schema.
*/
Table findUserTableForIndex(Session session, String name,
String schemaName) {
Schema schema = (Schema) schemaMap.get(schemaName);
HsqlName indexName = schema.indexLookup.getName(name);
if (indexName == null) {
return null;
}
return findUserTable(session, indexName.parent.name, schemaName);
}
/**
* Drops the index with the specified name.
*/
void dropIndex(Session session, HsqlName name) {
Table t = getTable(session, name.parent.name, name.parent.schema.name);
TableWorks tw = new TableWorks(session, t);
tw.dropIndex(name.name);
}
/**
* Drops the index with the specified name.
*/
void dropConstraint(Session session, HsqlName name, boolean cascade) {
Table t = getTable(session, name.parent.name, name.parent.schema.name);
TableWorks tw = new TableWorks(session, t);
tw.dropConstraint(name.name, cascade);
}
void removeDependentObjects(HsqlName name) {
Schema schema = (Schema) schemaMap.get(name.schema.name);
schema.indexLookup.removeParent(name);
schema.constraintLookup.removeParent(name);
schema.triggerLookup.removeParent(name);
}
/**
* Removes any foreign key Constraint objects (exported keys) held by any
* tables referenced by the specified table. <p>
*
* This method is called as the last step of a successful call to
* dropTable() in order to ensure that the dropped Table ceases to be
* referenced when enforcing referential integrity.
*
* @param toDrop The table to which other tables may be holding keys.
* This is a table that is in the process of being dropped.
*/
void removeExportedKeys(Table toDrop) {
// toDrop.schema may be null because it is not registerd
Schema schema = (Schema) schemaMap.get(toDrop.getSchemaName().name);
for (int i = 0; i < schema.tableList.size(); i++) {
Table table = (Table) schema.tableList.get(i);
Constraint[] constraints = table.getConstraints();
for (int j = constraints.length - 1; j >= 0; j--) {
Table refTable = constraints[j].getRef();
if (toDrop == refTable) {
table.removeConstraint(j);
}
}
}
}
public Iterator databaseObjectIterator(String schemaName, int type) {
Schema schema = (Schema) schemaMap.get(schemaName);
return schema.schemaObjectIterator(type);
}
public Iterator databaseObjectIterator(int type) {
Iterator it = schemaMap.values().iterator();
Iterator objects = new WrapperIterator();
while (it.hasNext()) {
Schema temp = (Schema) it.next();
objects = new WrapperIterator(objects,
temp.schemaObjectIterator(type));
}
return objects;
}
// references
private void addReferences(SchemaObject object) {
OrderedHashSet set = object.getReferences();
if (set == null) {
return;
}
for (int i = 0; i < set.size(); i++) {
HsqlName referenced = (HsqlName) set.get(i);
HsqlName name = object.getName();
if (object instanceof Routine) {
name = ((Routine) object).getSpecificName();
}
referenceMap.put(referenced, name);
}
}
private void removeReferencedObject(HsqlName referenced) {
referenceMap.remove(referenced);
}
private void removeReferencingObject(SchemaObject object) {
OrderedHashSet set = object.getReferences();
if (set == null) {
return;
}
for (int i = 0; i < set.size(); i++) {
HsqlName referenced = (HsqlName) set.get(i);
HsqlName name = object.getName();
if (object instanceof Routine) {
name = ((Routine) object).getSpecificName();
}
referenceMap.remove(referenced, name);
if (name.parent != null) {
referenceMap.remove(referenced, name.parent);
}
}
}
OrderedHashSet getReferencingObjectNames(HsqlName object) {
OrderedHashSet set = new OrderedHashSet();
Iterator it = referenceMap.get(object);
while (it.hasNext()) {
HsqlName name = (HsqlName) it.next();
set.add(name);
}
return set;
}
public OrderedHashSet getReferencingObjectNames(HsqlName table,
HsqlName column) {
OrderedHashSet set = new OrderedHashSet();
Iterator it = referenceMap.get(table);
while (it.hasNext()) {
HsqlName name = (HsqlName) it.next();
SchemaObject object = getSchemaObject(name);
OrderedHashSet references = object.getReferences();
if (references.contains(column)) {
set.add(name);
}
}
return set;
}
private boolean isReferenced(HsqlName object) {
return referenceMap.containsKey(object);
}
//
public void getCascadingReferencingObjectNames(HsqlName object,
OrderedHashSet set) {
OrderedHashSet newSet = new OrderedHashSet();
Iterator it = referenceMap.get(object);
while (it.hasNext()) {
HsqlName name = (HsqlName) it.next();
boolean added = set.add(name);
if (added) {
newSet.add(name);
}
}
for (int i = 0; i < newSet.size(); i++) {
HsqlName name = (HsqlName) newSet.get(i);
getCascadingReferencingObjectNames(name, set);
}
}
//
private void getCascadingSchemaReferences(HsqlName schema,
OrderedHashSet set) {
Iterator mainIterator = referenceMap.keySet().iterator();
while (mainIterator.hasNext()) {
HsqlName name = (HsqlName) mainIterator.next();
if (name.schema != schema) {
continue;
}
getCascadingReferencingObjectNames(name, set);
}
for (int i = 0; i < set.size(); i++) {
HsqlName name = (HsqlName) set.get(i);
if (name.schema == schema) {
set.remove(i);
i--;
}
}
}
//
public HsqlName getSchemaObjectName(HsqlName schemaName, String name,
int type, boolean raise) {
Schema schema = (Schema) schemaMap.get(schemaName.name);
SchemaObjectSet set = null;
if (schema == null) {
if (raise) {
throw Error.error(SchemaObjectSet.getGetErrorCode(type));
} else {
return null;
}
}
if (type == SchemaObject.ROUTINE) {
set = schema.functionLookup;
SchemaObject object = schema.functionLookup.getObject(name);
if (object == null) {
set = schema.procedureLookup;
object = schema.procedureLookup.getObject(name);
}
} else {
set = getSchemaObjectSet(schema, type);
}
if (raise) {
set.checkExists(name);
}
return set.getName(name);
}
public SchemaObject getSchemaObject(HsqlName name) {
Schema schema = (Schema) schemaMap.get(name.schema.name);
if (schema == null) {
return null;
}
switch (name.type) {
case SchemaObject.SEQUENCE :
return (SchemaObject) schema.sequenceList.get(name.name);
case SchemaObject.TABLE :
case SchemaObject.VIEW :
return (SchemaObject) schema.tableList.get(name.name);
case SchemaObject.CHARSET :
return schema.charsetLookup.getObject(name.name);
case SchemaObject.COLLATION :
return schema.collationLookup.getObject(name.name);
case SchemaObject.PROCEDURE :
return schema.procedureLookup.getObject(name.name);
case SchemaObject.FUNCTION :
return schema.functionLookup.getObject(name.name);
case RoutineSchema.SPECIFIC_ROUTINE :
return schema.specificRoutineLookup.getObject(name.name);
case RoutineSchema.ROUTINE :
SchemaObject object =
schema.functionLookup.getObject(name.name);
if (object == null) {
object = schema.procedureLookup.getObject(name.name);
}
return object;
case SchemaObject.DOMAIN :
case SchemaObject.TYPE :
return schema.typeLookup.getObject(name.name);
case SchemaObject.TRIGGER : {
name = schema.triggerLookup.getName(name.name);
if (name == null) {
return null;
}
HsqlName tableName = name.parent;
Table table = (Table) schema.tableList.get(tableName.name);
return table.getTrigger(name.name);
}
case SchemaObject.CONSTRAINT : {
name = schema.constraintLookup.getName(name.name);
if (name == null) {
return null;
}
HsqlName tableName = name.parent;
Table table = (Table) schema.tableList.get(tableName.name);
return table.getConstraint(name.name);
}
case SchemaObject.ASSERTION :
return null;
case SchemaObject.INDEX :
name = schema.indexLookup.getName(name.name);
if (name == null) {
return null;
}
HsqlName tableName = name.parent;
Table table = (Table) schema.tableList.get(tableName.name);
return table.getIndex(name.name);
}
return null;
}
public void checkColumnIsReferenced(HsqlName tableName, HsqlName name) {
OrderedHashSet set = getReferencingObjectNames(tableName, name);
if (!set.isEmpty()) {
HsqlName objectName = (HsqlName) set.get(0);
throw Error.error(ErrorCode.X_42502,
objectName.getSchemaQualifiedStatementName());
}
}
public void checkObjectIsReferenced(HsqlName name) {
OrderedHashSet set = getReferencingObjectNames(name);
HsqlName refName = null;
for (int i = 0; i < set.size(); i++) {
refName = (HsqlName) set.get(i);
// except columns of same table
if (refName.parent != name) {
break;
}
refName = null;
}
if (refName == null) {
return;
}
throw Error.error(ErrorCode.X_42502,
refName.getSchemaQualifiedStatementName());
}
public void checkSchemaNameCanChange(HsqlName name) {
Iterator it = referenceMap.values().iterator();
HsqlName refName = null;
mainLoop:
while (it.hasNext()) {
refName = (HsqlName) it.next();
switch (refName.type) {
case SchemaObject.VIEW :
case SchemaObject.ROUTINE :
case SchemaObject.FUNCTION :
case SchemaObject.PROCEDURE :
case SchemaObject.TRIGGER :
case SchemaObject.SPECIFIC_ROUTINE :
if (refName.schema == name) {
break mainLoop;
}
break;
default :
break;
}
refName = null;
}
if (refName == null) {
return;
}
throw Error.error(ErrorCode.X_42502,
refName.getSchemaQualifiedStatementName());
}
public void addSchemaObject(SchemaObject object) {
HsqlName name = object.getName();
Schema schema = (Schema) schemaMap.get(name.schema.name);
SchemaObjectSet set = getSchemaObjectSet(schema, name.type);
switch (name.type) {
case SchemaObject.PROCEDURE :
case SchemaObject.FUNCTION : {
RoutineSchema routine =
(RoutineSchema) set.getObject(name.name);
if (routine == null) {
routine = new RoutineSchema(name.type, name);
routine.addSpecificRoutine(database, (Routine) object);
set.checkAdd(name);
SchemaObjectSet specificSet = getSchemaObjectSet(schema,
SchemaObject.SPECIFIC_ROUTINE);
specificSet.checkAdd(((Routine) object).getSpecificName());
set.add(routine);
specificSet.add(object);
} else {
SchemaObjectSet specificSet = getSchemaObjectSet(schema,
SchemaObject.SPECIFIC_ROUTINE);
HsqlName specificName =
((Routine) object).getSpecificName();
if (specificName != null) {
specificSet.checkAdd(specificName);
}
routine.addSpecificRoutine(database, (Routine) object);
specificSet.add(object);
}
addReferences(object);
return;
}
case SchemaObject.TABLE : {
OrderedHashSet refs = object.getReferences();
for (int i = 0; i < refs.size(); i++) {
HsqlName ref = (HsqlName) refs.get(i);
if (ref.type == SchemaObject.COLUMN) {
int index = ((Table) object).findColumn(ref.name);
ColumnSchema column =
((Table) object).getColumn(index);
addSchemaObject(column);
}
}
break;
}
case SchemaObject.COLUMN : {
if (object.getReferences().isEmpty()) {
return;
}
break;
}
}
if (set != null) {
set.add(object);
}
addReferences(object);
}
public void removeSchemaObject(HsqlName name, boolean cascade) {
OrderedHashSet objectSet = new OrderedHashSet();
switch (name.type) {
case SchemaObject.ROUTINE :
case SchemaObject.PROCEDURE :
case SchemaObject.FUNCTION : {
RoutineSchema routine = (RoutineSchema) getSchemaObject(name);
if (routine != null) {
Routine[] specifics = routine.getSpecificRoutines();
for (int i = 0; i < specifics.length; i++) {
getCascadingReferencingObjectNames(
specifics[i].getSpecificName(), objectSet);
}
}
}
break;
case SchemaObject.SEQUENCE :
case SchemaObject.TABLE :
case SchemaObject.VIEW :
case SchemaObject.TYPE :
case SchemaObject.CHARSET :
case SchemaObject.COLLATION :
case SchemaObject.SPECIFIC_ROUTINE :
getCascadingReferencingObjectNames(name, objectSet);
break;
case SchemaObject.DOMAIN :
OrderedHashSet set = getReferencingObjectNames(name);
Iterator it = set.iterator();
while (it.hasNext()) {
HsqlName ref = (HsqlName) it.next();
if (ref.type == SchemaObject.COLUMN) {
it.remove();
}
}
if (!set.isEmpty()) {
HsqlName objectName = (HsqlName) set.get(0);
throw Error.error(
ErrorCode.X_42502,
objectName.getSchemaQualifiedStatementName());
}
break;
}
if (objectSet.isEmpty()) {
removeSchemaObject(name);
return;
}
if (!cascade) {
HsqlName objectName = (HsqlName) objectSet.get(0);
throw Error.error(ErrorCode.X_42502,
objectName.getSchemaQualifiedStatementName());
}
objectSet.add(name);
removeSchemaObjects(objectSet);
}
public void removeSchemaObjects(OrderedHashSet set) {
for (int i = 0; i < set.size(); i++) {
HsqlName name = (HsqlName) set.get(i);
removeSchemaObject(name);
}
}
public void removeSchemaObject(HsqlName name) {
Schema schema = (Schema) schemaMap.get(name.schema.name);
SchemaObject object = null;
SchemaObjectSet set = null;
switch (name.type) {
case SchemaObject.SEQUENCE :
set = schema.sequenceLookup;
object = set.getObject(name.name);
break;
case SchemaObject.TABLE :
case SchemaObject.VIEW : {
set = schema.tableLookup;
object = set.getObject(name.name);
break;
}
case SchemaObject.COLUMN : {
Table table = (Table) getSchemaObject(name.parent);
if (table != null) {
object = table.getColumn(table.getColumnIndex(name.name));
}
break;
}
case SchemaObject.CHARSET :
set = schema.charsetLookup;
object = set.getObject(name.name);
break;
case SchemaObject.COLLATION :
set = schema.collationLookup;
object = set.getObject(name.name);
break;
case SchemaObject.PROCEDURE : {
set = schema.procedureLookup;
RoutineSchema routine =
(RoutineSchema) set.getObject(name.name);
object = routine;
Routine[] specifics = routine.getSpecificRoutines();
for (int i = 0; i < specifics.length; i++) {
removeSchemaObject(specifics[i].getSpecificName());
}
break;
}
case SchemaObject.FUNCTION : {
set = schema.functionLookup;
RoutineSchema routine =
(RoutineSchema) set.getObject(name.name);
object = routine;
Routine[] specifics = routine.getSpecificRoutines();
for (int i = 0; i < specifics.length; i++) {
removeSchemaObject(specifics[i].getSpecificName());
}
break;
}
case SchemaObject.SPECIFIC_ROUTINE : {
set = schema.specificRoutineLookup;
Routine routine = (Routine) set.getObject(name.name);
object = routine;
routine.routineSchema.removeSpecificRoutine(routine);
if (routine.routineSchema.getSpecificRoutines().length == 0) {
removeSchemaObject(routine.getName());
}
break;
}
case SchemaObject.DOMAIN :
case SchemaObject.TYPE :
set = schema.typeLookup;
object = set.getObject(name.name);
break;
case SchemaObject.INDEX :
set = schema.indexLookup;
break;
case SchemaObject.CONSTRAINT : {
set = schema.constraintLookup;
if (name.parent.type == SchemaObject.TABLE) {
Table table =
(Table) schema.tableList.get(name.parent.name);
object = table.getConstraint(name.name);
table.removeConstraint(name.name);
} else if (name.parent.type == SchemaObject.DOMAIN) {
Type type =
(Type) schema.typeLookup.getObject(name.parent.name);
object = type.userTypeModifier.getConstraint(name.name);
type.userTypeModifier.removeConstraint(name.name);
}
break;
}
case SchemaObject.TRIGGER : {
set = schema.triggerLookup;
Table table = (Table) schema.tableList.get(name.parent.name);
object = table.getTrigger(name.name);
if (object != null) {
table.removeTrigger((TriggerDef) object);
}
break;
}
default :
throw Error.runtimeError(ErrorCode.U_S0500, "SchemaManager");
}
if (object != null) {
database.getGranteeManager().removeDbObject(name);
removeReferencingObject(object);
}
if (set != null) {
set.remove(name.name);
}
removeReferencedObject(name);
}
public void renameSchemaObject(HsqlName name, HsqlName newName) {
if (name.schema != newName.schema) {
throw Error.error(ErrorCode.X_42505, newName.schema.name);
}
checkObjectIsReferenced(name);
Schema schema = (Schema) schemaMap.get(name.schema.name);
SchemaObjectSet set = getSchemaObjectSet(schema, name.type);
set.rename(name, newName);
}
public String[] getSQLArray() {
OrderedHashSet resolved = new OrderedHashSet();
OrderedHashSet unresolved = new OrderedHashSet();
HsqlArrayList list = new HsqlArrayList();
Iterator schemas = schemaMap.values().iterator();
schemas = schemaMap.values().iterator();
while (schemas.hasNext()) {
Schema schema = (Schema) schemas.next();
if (SqlInvariants.isSystemSchemaName(schema.getName().name)) {
continue;
}
if (SqlInvariants.isLobsSchemaName(schema.getName().name)) {
continue;
}
list.add(schema.getSQL());
schema.addSimpleObjects(unresolved);
}
while (true) {
Iterator it = unresolved.iterator();
if (!it.hasNext()) {
break;
}
OrderedHashSet newResolved = new OrderedHashSet();
SchemaObjectSet.addAllSQL(resolved, unresolved, list, it,
newResolved);
unresolved.removeAll(newResolved);
if (newResolved.size() == 0) {
break;
}
}
schemas = schemaMap.values().iterator();
while (schemas.hasNext()) {
Schema schema = (Schema) schemas.next();
if (SqlInvariants.isLobsSchemaName(schema.getName().name)) {
continue;
}
if (SqlInvariants.isSystemSchemaName(schema.getName().name)) {
continue;
}
list.addAll(schema.getSQLArray(resolved, unresolved));
}
while (true) {
Iterator it = unresolved.iterator();
if (!it.hasNext()) {
break;
}
OrderedHashSet newResolved = new OrderedHashSet();
SchemaObjectSet.addAllSQL(resolved, unresolved, list, it,
newResolved);
unresolved.removeAll(newResolved);
if (newResolved.size() == 0) {
break;
}
}
schemas = schemaMap.values().iterator();
while (schemas.hasNext()) {
Schema schema = (Schema) schemas.next();
if (SqlInvariants.isLobsSchemaName(schema.getName().name)) {
continue;
}
if (SqlInvariants.isSystemSchemaName(schema.getName().name)) {
continue;
}
String[] t = schema.getTriggerSQL();
if (t.length > 0) {
list.add(Schema.getSetSchemaSQL(schema.getName()));
list.addAll(t);
}
list.addAll(schema.getSequenceRestartSQL());
}
schemas = schemaMap.values().iterator();
while (schemas.hasNext()) {
Schema schema = (Schema) schemas.next();
list.addAll(schema.getSequenceRestartSQL());
}
if (defaultSchemaHsqlName != null) {
StringBuffer sb = new StringBuffer();
sb.append(Tokens.T_SET).append(' ').append(Tokens.T_DATABASE);
sb.append(' ').append(Tokens.T_DEFAULT).append(' ');
sb.append(Tokens.T_INITIAL).append(' ').append(Tokens.T_SCHEMA);
sb.append(' ').append(defaultSchemaHsqlName.statementName);
list.add(sb.toString());
}
String[] array = new String[list.size()];
list.toArray(array);
return array;
}
public String[] getTablePropsSQL(boolean withHeader) {
HsqlArrayList tableList = getAllTables();
HsqlArrayList list = new HsqlArrayList();
for (int i = 0; i < tableList.size(); i++) {
Table t = (Table) tableList.get(i);
if (t.isText()) {
String[] ddl = t.getSQLForTextSource(withHeader);
list.addAll(ddl);
} else {
String ddl = t.getSQLForReadOnly();
if (ddl != null) {
list.add(ddl);
}
}
}
String[] array = new String[list.size()];
list.toArray(array);
return array;
}
public String[] getIndexRootsSQL() {
Session sysSession = database.sessionManager.getSysSession();
int[][] rootsArray = getIndexRoots(sysSession);
HsqlArrayList tableList = getAllTables();
HsqlArrayList list = new HsqlArrayList();
for (int i = 0; i < rootsArray.length; i++) {
Table t = (Table) tableList.get(i);
if (rootsArray[i] != null && rootsArray[i].length > 0
&& rootsArray[i][0] != -1) {
String ddl =
((Table) tableList.get(i)).getIndexRootsSQL(rootsArray[i]);
list.add(ddl);
}
}
String[] array = new String[list.size()];
list.toArray(array);
return array;
}
public String[] getCommentsArray() {
HsqlArrayList tableList = getAllTables();
HsqlArrayList list = new HsqlArrayList();
StringBuffer sb = new StringBuffer();
for (int i = 0; i < tableList.size(); i++) {
Table table = (Table) tableList.get(i);
if (table.getTableType() == Table.SYSTEM_TABLE) {
continue;
}
int colCount = table.getColumnCount();
for (int j = 0; j < colCount; j++) {
ColumnSchema column = table.getColumn(j);
if (column.getName().comment == null) {
continue;
}
sb.setLength(0);
sb.append(Tokens.T_COMMENT).append(' ').append(Tokens.T_ON);
sb.append(' ').append(Tokens.T_COLUMN).append(' ');
sb.append(table.getName().getSchemaQualifiedStatementName());
sb.append('.').append(column.getName().statementName);
sb.append(' ').append(Tokens.T_IS).append(' ');
sb.append(
StringConverter.toQuotedString(
column.getName().comment, '\'', true));
list.add(sb.toString());
}
if (table.getName().comment == null) {
continue;
}
sb.setLength(0);
sb.append(Tokens.T_COMMENT).append(' ').append(Tokens.T_ON);
sb.append(' ').append(Tokens.T_TABLE).append(' ');
sb.append(table.getName().getSchemaQualifiedStatementName());
sb.append(' ').append(Tokens.T_IS).append(' ');
sb.append(StringConverter.toQuotedString(table.getName().comment,
'\'', true));
list.add(sb.toString());
}
Iterator it = databaseObjectIterator(SchemaObject.ROUTINE);
while (it.hasNext()) {
SchemaObject object = (SchemaObject) it.next();
if (object.getName().comment == null) {
continue;
}
sb.setLength(0);
sb.append(Tokens.T_COMMENT).append(' ').append(Tokens.T_ON);
sb.append(' ').append(Tokens.T_ROUTINE).append(' ');
sb.append(object.getName().getSchemaQualifiedStatementName());
sb.append(' ').append(Tokens.T_IS).append(' ');
sb.append(StringConverter.toQuotedString(object.getName().comment,
'\'', true));
list.add(sb.toString());
}
String[] array = new String[list.size()];
list.toArray(array);
return array;
}
int[][] tempIndexRoots;
public void setTempIndexRoots(int[][] roots) {
tempIndexRoots = roots;
}
public int[][] getIndexRoots(Session session) {
if (tempIndexRoots != null) {
int[][] roots = tempIndexRoots;
tempIndexRoots = null;
return roots;
}
HsqlArrayList allTables = getAllTables();
HsqlArrayList list = new HsqlArrayList();
for (int i = 0, size = allTables.size(); i < size; i++) {
Table t = (Table) allTables.get(i);
if (t.getTableType() == TableBase.CACHED_TABLE) {
int[] roots = t.getIndexRootsArray();
list.add(roots);
} else {
list.add(null);
}
}
int[][] array = new int[list.size()][];
list.toArray(array);
return array;
}
/**
* called after the completion of defrag
*/
public void setIndexRoots(int[][] roots) {
HsqlArrayList allTables = database.schemaManager.getAllTables();
for (int i = 0, size = allTables.size(); i < size; i++) {
Table t = (Table) allTables.get(i);
if (t.getTableType() == TableBase.CACHED_TABLE) {
int[] rootsArray = roots[i];
if (roots != null) {
t.setIndexRoots(rootsArray);
}
}
}
}
public void setDefaultTableType(int type) {
defaultTableType = type;
}
public int getDefaultTableType() {
return defaultTableType;
}
}