Package org.h2.schema
Class MetaSchema
- java.lang.Object
-
- org.h2.engine.DbObject
-
- org.h2.schema.Schema
-
- org.h2.schema.MetaSchema
-
- All Implemented Interfaces:
HasSQL
- Direct Known Subclasses:
InformationSchema
,PgCatalogSchema
public abstract class MetaSchema extends Schema
Meta data schema.
-
-
Field Summary
-
Fields inherited from class org.h2.engine.DbObject
AGGREGATE, comment, COMMENT, CONSTANT, CONSTRAINT, database, DOMAIN, FUNCTION_ALIAS, INDEX, RIGHT, ROLE, SCHEMA, SEQUENCE, SETTING, SYNONYM, TABLE_OR_VIEW, trace, TRIGGER, USER
-
Fields inherited from interface org.h2.util.HasSQL
ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS
-
-
Constructor Summary
Constructors Constructor Description MetaSchema(Database database, int id, java.lang.String schemaName, User owner)
Creates a new instance of meta data schema.
-
Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description Table
findTableOrView(SessionLocal session, java.lang.String name)
Try to find a table or view with this name.java.util.Collection<Table>
getAllTablesAndViews(SessionLocal session)
Get all tables and views.protected abstract java.util.Map<java.lang.String,Table>
getMap(SessionLocal session)
Returns map of tables in this schema.Table
getTableOrView(SessionLocal session, java.lang.String name)
Get the table or view with the given name.Table
getTableOrViewByName(SessionLocal session, java.lang.String name)
Get the table with the given name, if any.boolean
isEmpty()
Return whether is this schema is empty (does not contain any objects).-
Methods inherited from class org.h2.schema.Schema
add, canDrop, createSynonym, createTable, createTableLink, findAggregate, findConstant, findConstraint, findDomain, findFunction, findFunctionOrAggregate, findIndex, findSequence, findTrigger, freeUniqueName, getAll, getAll, getAllConstants, getAllConstraints, getAllDomains, getAllFunctionsAndAggregates, getAllIndexes, getAllSequences, getAllSynonyms, getAllTriggers, getChildren, getConstant, getConstraint, getCreateSQL, getCreateSQLForCopy, getDomain, getIndex, getOwner, getSequence, getSynonym, getTableEngineParams, getType, getUniqueConstraintName, getUniqueDomainConstraintName, getUniqueIndexName, remove, removeChildrenAndResources, rename, reserveUniqueName, resolveTableOrView, setTableEngineParams
-
Methods inherited from class org.h2.engine.DbObject
checkRename, getComment, getCreateSQLForMeta, getDatabase, getDropSQL, getId, getModificationId, getName, getSQL, getSQL, invalidate, isTemporary, isValid, rename, setComment, setModified, setObjectName, setTemporary, toString
-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
-
Methods inherited from interface org.h2.util.HasSQL
getTraceSQL
-
-
-
-
Method Detail
-
findTableOrView
public Table findTableOrView(SessionLocal session, java.lang.String name)
Description copied from class:Schema
Try to find a table or view with this name. This method returns null if no object with this name exists. Local temporary tables are also returned. Synonyms are not returned or resolved.- Overrides:
findTableOrView
in classSchema
- Parameters:
session
- the sessionname
- the object name- Returns:
- the object or null
-
getAllTablesAndViews
public java.util.Collection<Table> getAllTablesAndViews(SessionLocal session)
Description copied from class:Schema
Get all tables and views.- Overrides:
getAllTablesAndViews
in classSchema
- Parameters:
session
- the session,null
to exclude meta tables- Returns:
- a (possible empty) list of all objects
-
getTableOrView
public Table getTableOrView(SessionLocal session, java.lang.String name)
Description copied from class:Schema
Get the table or view with the given name. Local temporary tables are also returned.- Overrides:
getTableOrView
in classSchema
- Parameters:
session
- the sessionname
- the table or view name- Returns:
- the table or view
-
getTableOrViewByName
public Table getTableOrViewByName(SessionLocal session, java.lang.String name)
Description copied from class:Schema
Get the table with the given name, if any.- Overrides:
getTableOrViewByName
in classSchema
- Parameters:
session
- the sessionname
- the table name- Returns:
- the table or null if not found
-
getMap
protected abstract java.util.Map<java.lang.String,Table> getMap(SessionLocal session)
Returns map of tables in this schema.- Parameters:
session
- the session- Returns:
- map of tables in this schema
-
-