H2 Database Engine 2.3.232 · org.h2.schema.Schema · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
private final ConcurrentHashMap<String, Constant>	constants
private final ConcurrentHashMap<String, Constraint>	constraints
private final ConcurrentHashMap<String, Domain>	domains
private final ConcurrentHashMap<String, UserDefinedFunction>	functionsAndAggregates
private final ConcurrentHashMap<String, Index>	indexes
private RightOwner	owner
private final ConcurrentHashMap<String, Sequence>	sequences
private final ConcurrentHashMap<String, TableSynonym>	synonyms
private final boolean	system
private ArrayList<String>	tableEngineParams
private final ConcurrentHashMap<String, Table>	tablesAndViews
private final HashSet<String>	temporaryUniqueNames The set of returned unique names that are not yet stored.
private final ConcurrentHashMap<String, TriggerObject>	triggers

Access	Constructor and Description
public	Schema(Database the database database, int the object id id, String the schema name schemaName, RightOwner the owner of the schema owner, boolean if this is a system schema (such a schema can not be dropped) system) Create a new schema object.

Method Summary

Modifier and Type	Method and Description
public void	add(SchemaObject the object to add obj) Add an object to this schema.
public boolean	Returns: true if it can be dropped canDrop() Check if this schema can be dropped.
public TableSynonym	Returns: the created `TableSynonym` object createSynonym(CreateSynonymData the create synonym information data) Add a table synonym to the schema.
public Table	Returns: the created `Table` object createTable(CreateTableData the create table information data) Add a table to the schema.
public TableLink	Returns: the `TableLink` object createTableLink(int the object id id, String the table name of the alias tableName, String the driver class name driver, String the database URL url, String the user name user, String the password password, String the schema name of the target table originalSchema, String the table name of the target table originalTable, boolean if updates should be emitted instead of delete/insert emitUpdates, boolean create the object even if the database can not be accessed force) Add a linked table to the schema.
public UserAggregate	Returns: the aggregate function or null findAggregate(String the name of the user defined aggregate function name) Get the user defined aggregate function if it exists.
public Constant	Returns: the object or null findConstant(String the object name constantName) Try to find a user defined constant with this name.
public Constraint	Returns: the object or null findConstraint(SessionLocal the session session, String the object name name) Try to find a constraint with this name.
public Domain	Returns: the domain or null findDomain(String the name of the domain name) Get the domain if it exists, or null if not.
public FunctionAlias	Returns: the object or null findFunction(String the object name functionAlias) Try to find a user defined function with this name.
public UserDefinedFunction	Returns: the object or null findFunctionOrAggregate(String the object name name) Try to find a user defined function or aggregate function with the specified name.
public Index	Returns: the object or null findIndex(SessionLocal the session session, String the object name name) Try to find an index with this name.
public Sequence	Returns: the object or null findSequence(String the object name sequenceName) Try to find a sequence with this name.
public Table	Returns: the object or null findTableOrView(SessionLocal the session session, String the object name name) Try to find a table or view with this name.
public TriggerObject	Returns: the object or null findTrigger(String the object name name) Try to find a trigger with this name.
public void	freeUniqueName(String the object name name) Release a unique object name.
public ArrayList<SchemaObject>	Returns: the specified list with added objects, or a new (possibly empty) list with all objects getAll(ArrayList<SchemaObject> list to add objects to, or `null` to allocate a new list addTo) Get all objects.
public void	getAll(int the object type type, ArrayList<SchemaObject> list to add objects to addTo) Get all objects of the given type.
public Collection<Constant>	getAllConstants()
public Collection<Constraint>	getAllConstraints()
public Collection<Domain>	getAllDomains()
public Collection<UserDefinedFunction>	getAllFunctionsAndAggregates()
public Collection<Index>	getAllIndexes()
public Collection<Sequence>	getAllSequences()
public Collection<TableSynonym>	getAllSynonyms()
public Collection<Table>	Returns: a (possible empty) list of all objects getAllTablesAndViews(SessionLocal the session, `null` to exclude meta tables session) Get all tables and views.
public Collection<TriggerObject>	getAllTriggers()
public ArrayList<DbObject>	getChildren() Overrides org.h2.engine.DbObject.getChildren. Get the list of dependent children (for tables, this includes indexes and so on).
public Constant	Returns: the constant getConstant(String the constant name constantName) Get the user defined constant with the given name.
public Constraint	Returns: the constraint getConstraint(String the constraint name name) Get the constraint with the given name.
public String	getCreateSQL() Implements abstract org.h2.engine.DbObject.getCreateSQL. Construct the CREATE ...
public Domain	Returns: the domain getDomain(String the domain name name) Get the domain with the given name.
public Index	Returns: the index getIndex(String the index name name) Get the index with the given name.
private Map<String, SchemaObject>	getMap(int type)
public RightOwner	Returns: the owner getOwner() Get the owner of this schema.
public Sequence	Returns: the sequence getSequence(String the sequence name sequenceName) Get the sequence with the given name.
public TableSynonym	Returns: the object or null getSynonym(String the object name name) Try to find a synonym with this name.
public ArrayList<String>	Returns: default table engine params getTableEngineParams() Get table engine params of this schema.
public Table	Returns: the table or view getTableOrView(SessionLocal the session session, String the table or view name name) Get the table or view with the given name.
public Table	Returns: the table or null if not found getTableOrViewByName(SessionLocal the session session, String the table name name) Get the table with the given name, if any.
public int	getType() Implements abstract org.h2.engine.DbObject.getType. Get the object type.
public String	Returns: the unique name getUniqueConstraintName(SessionLocal the session session, Table the constraint table table) Create a unique constraint name.
public String	Returns: the unique name getUniqueDomainConstraintName(SessionLocal the session session, Domain the constraint domain domain) Create a unique constraint name.
public String	Returns: the unique name getUniqueIndexName(SessionLocal the session session, Table the indexed table table, String the index name prefix prefix) Create a unique index name.
private String	getUniqueName(DbObject obj, Map<String, ? extends SchemaObject> map, String prefix)
public boolean	Returns: `true` if this schema is empty, `false` otherwise isEmpty() Return whether is this schema is empty (does not contain any objects).
public void	remove(SchemaObject the object to remove obj) Remove an object from this schema.
public void	removeChildrenAndResources(SessionLocal the session session) Implements abstract org.h2.engine.DbObject.removeChildrenAndResources. Delete all dependent children objects and resources of this object.
private void	removeChildrenFromMap(SessionLocal session, ConcurrentHashMap<String, ? extends SchemaObject> map)
public void	rename(SchemaObject the object to rename obj, String the new name newName) Rename an object.
public void	reserveUniqueName(String the object name name) Reserve a unique object name.
public Table	Returns: the object or null resolveTableOrView(SessionLocal the session session, String the object name name) Try to find a table or view with this name.
public Table	Returns: the object or null resolveTableOrView(SessionLocal the session session, String the object name name, boolean if true, and the object is a materialized view, return the underlying Table object. resolveMaterializedView) Try to find a table or view with this name.
public void	setTableEngineParams(ArrayList<String> default table engine params tableEngineParams) Set table engine params of this schema.

constants	back to summary
private final ConcurrentHashMap<String, Constant> constants

constraints	back to summary
private final ConcurrentHashMap<String, Constraint> constraints

domains	back to summary
private final ConcurrentHashMap<String, Domain> domains

functionsAndAggregates	back to summary
private final ConcurrentHashMap<String, UserDefinedFunction> functionsAndAggregates

indexes	back to summary
private final ConcurrentHashMap<String, Index> indexes

owner	back to summary
private RightOwner owner

sequences	back to summary
private final ConcurrentHashMap<String, Sequence> sequences

synonyms	back to summary
private final ConcurrentHashMap<String, TableSynonym> synonyms

system	back to summary
private final boolean system

tableEngineParams	back to summary
private ArrayList<String> tableEngineParams

tablesAndViews	back to summary
private final ConcurrentHashMap<String, Table> tablesAndViews

temporaryUniqueNames	back to summary
private final HashSet<String> temporaryUniqueNames The set of returned unique names that are not yet stored. It is used to avoid returning the same unique name twice when multiple threads concurrently create objects.

triggers	back to summary
private final ConcurrentHashMap<String, TriggerObject> triggers

Schema	back to summary
public Schema(Database database, int id, String schemaName, RightOwner owner, boolean system) Create a new schema object. Parameters database:Database the database id:int the object id schemaName:String the schema name owner:RightOwner the owner of the schema system:boolean if this is a system schema (such a schema can not be dropped)

Method Detail

add	back to summary
public void add(SchemaObject obj) Add an object to this schema. This method must not be called within CreateSchemaObject; use Database.addSchemaObject() instead Parameters obj:SchemaObject the object to add

add

back to summary

public void add(SchemaObject obj)

Add an object to this schema. This method must not be called within CreateSchemaObject; use Database.addSchemaObject() instead

Parameters

obj:SchemaObject: the object to add

canDrop	back to summary
public boolean canDrop() Check if this schema can be dropped. System schemas can not be dropped. Returns:boolean true if it can be dropped

canDrop

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public boolean canDrop()

Check if this schema can be dropped. System schemas can not be dropped.

Returns:boolean: true if it can be dropped

createSynonym back to summary

createSynonym	back to summary
public TableSynonym createSynonym(CreateSynonymData data) Add a table synonym to the schema. Parameters data:CreateSynonymData the create synonym information Returns:TableSynonym the created `TableSynonym` object

public TableSynonym createSynonym(CreateSynonymData data)

Add a table synonym to the schema.

Parameters

data:CreateSynonymData: the create synonym information

Returns:TableSynonym

the created TableSynonym object

createTable back to summary

createTable	back to summary
public Table createTable(CreateTableData data) Add a table to the schema. Parameters data:CreateTableData the create table information Returns:Table the created `Table` object

public Table createTable(CreateTableData data)

Add a table to the schema.

Parameters

data:CreateTableData: the create table information

Returns:Table

the created Table object

createTableLink back to summary

createTableLink	back to summary
public TableLink createTableLink(int id, String tableName, String driver, String url, String user, String password, String originalSchema, String originalTable, boolean emitUpdates, boolean force) Add a linked table to the schema. Parameters id:int the object id tableName:String the table name of the alias driver:String the driver class name url:String the database URL user:String the user name password:String the password originalSchema:String the schema name of the target table originalTable:String the table name of the target table emitUpdates:boolean if updates should be emitted instead of delete/insert force:boolean create the object even if the database can not be accessed Returns:TableLink the `TableLink` object

public TableLink createTableLink(int id, String tableName, String driver, String url, String user, String password, String originalSchema, String originalTable, boolean emitUpdates, boolean force)

Add a linked table to the schema.

Parameters

id:int: the object id
tableName:String: the table name of the alias
driver:String: the driver class name
url:String: the database URL
user:String: the user name
password:String: the password
originalSchema:String: the schema name of the target table
originalTable:String: the table name of the target table
emitUpdates:boolean: if updates should be emitted instead of delete/insert
force:boolean: create the object even if the database can not be accessed

Returns:TableLink

the TableLink object

findAggregate	back to summary
public UserAggregate findAggregate(String name) Get the user defined aggregate function if it exists. This method returns null if no object with this name exists. Parameters name:String the name of the user defined aggregate function Returns:UserAggregate the aggregate function or null

findAggregate

back to summary

public UserAggregate findAggregate(String name)

Get the user defined aggregate function if it exists. This method returns null if no object with this name exists.

Parameters

name:String: the name of the user defined aggregate function

Returns:UserAggregate

the aggregate function or null

findConstant	back to summary
public Constant findConstant(String constantName) Try to find a user defined constant with this name. This method returns null if no object with this name exists. Parameters constantName:String the object name Returns:Constant the object or null

findConstant

back to summary

public Constant findConstant(String constantName)

Try to find a user defined constant with this name. This method returns null if no object with this name exists.

Parameters

constantName:String: the object name

Returns:Constant

the object or null

findConstraint	back to summary
public Constraint findConstraint(SessionLocal session, String name) Try to find a constraint with this name. This method returns null if no object with this name exists. Parameters session:SessionLocal the session name:String the object name Returns:Constraint the object or null

findConstraint

back to summary

public Constraint findConstraint(SessionLocal session, String name)

Try to find a constraint with this name. This method returns null if no object with this name exists.

Parameters

session:SessionLocal: the session
name:String: the object name

Returns:Constraint

the object or null

findDomain	back to summary
public Domain findDomain(String name) Get the domain if it exists, or null if not. Parameters name:String the name of the domain Returns:Domain the domain or null

findDomain

back to summary

public Domain findDomain(String name)

Get the domain if it exists, or null if not.

Parameters

name:String: the name of the domain

Returns:Domain

the domain or null

findFunction	back to summary
public FunctionAlias findFunction(String functionAlias) Try to find a user defined function with this name. This method returns null if no object with this name exists. Parameters functionAlias:String the object name Returns:FunctionAlias the object or null

findFunction

back to summary

public FunctionAlias findFunction(String functionAlias)

Try to find a user defined function with this name. This method returns null if no object with this name exists.

Parameters

functionAlias:String: the object name

Returns:FunctionAlias

the object or null

findFunctionOrAggregate	back to summary
public UserDefinedFunction findFunctionOrAggregate(String name) Try to find a user defined function or aggregate function with the specified name. This method returns null if no object with this name exists. Parameters name:String the object name Returns:UserDefinedFunction the object or null

findFunctionOrAggregate

back to summary

public UserDefinedFunction findFunctionOrAggregate(String name)

Try to find a user defined function or aggregate function with the specified name. This method returns null if no object with this name exists.

Parameters

name:String: the object name

Returns:UserDefinedFunction

the object or null

findIndex	back to summary
public Index findIndex(SessionLocal session, String name) Try to find an index with this name. This method returns null if no object with this name exists. Parameters session:SessionLocal the session name:String the object name Returns:Index the object or null

findIndex

back to summary

public Index findIndex(SessionLocal session, String name)

Try to find an index with this name. This method returns null if no object with this name exists.

Parameters

session:SessionLocal: the session
name:String: the object name

Returns:Index

the object or null

findSequence	back to summary
public Sequence findSequence(String sequenceName) Try to find a sequence with this name. This method returns null if no object with this name exists. Parameters sequenceName:String the object name Returns:Sequence the object or null

findSequence

back to summary

public Sequence findSequence(String sequenceName)

Try to find a sequence with this name. This method returns null if no object with this name exists.

Parameters

sequenceName:String: the object name

Returns:Sequence

the object or null

findTableOrView	back to summary
public Table findTableOrView(SessionLocal session, String name) 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. Parameters session:SessionLocal the session name:String the object name Returns:Table the object or null

findTableOrView

back to summary

public Table findTableOrView(SessionLocal session, String name)

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.

Parameters

session:SessionLocal: the session
name:String: the object name

Returns:Table

the object or null

findTrigger	back to summary
public TriggerObject findTrigger(String name) Try to find a trigger with this name. This method returns null if no object with this name exists. Parameters name:String the object name Returns:TriggerObject the object or null

findTrigger

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public TriggerObject findTrigger(String name)

Try to find a trigger with this name. This method returns null if no object with this name exists.

Parameters

name:String: the object name

Returns:TriggerObject

the object or null

freeUniqueName	back to summary
public void freeUniqueName(String name) Release a unique object name. Parameters name:String the object name

freeUniqueName

back to summary

public void freeUniqueName(String name)

Release a unique object name.

Parameters

name:String: the object name

getAll back to summary

getAll	back to summary
public ArrayList<SchemaObject> getAll(ArrayList<SchemaObject> addTo) Get all objects. Parameters addTo:ArrayList<SchemaObject> list to add objects to, or `null` to allocate a new list Returns:ArrayList<SchemaObject> the specified list with added objects, or a new (possibly empty) list with all objects

public ArrayList<SchemaObject> getAll(ArrayList<SchemaObject> addTo)

Get all objects.

Parameters

addTo:ArrayList<SchemaObject>: list to add objects to, or null to allocate a new list

Returns:ArrayList<SchemaObject>

the specified list with added objects, or a new (possibly empty) list with all objects

getAll	back to summary
public void getAll(int type, ArrayList<SchemaObject> addTo) Get all objects of the given type. Parameters type:int the object type addTo:ArrayList<SchemaObject> list to add objects to

getAll

back to summary

public void getAll(int type, ArrayList<SchemaObject> addTo)

Get all objects of the given type.

Parameters

type:int: the object type
addTo:ArrayList<SchemaObject>: list to add objects to

getAllConstants	back to summary
public Collection<Constant> getAllConstants()

getAllConstraints	back to summary
public Collection<Constraint> getAllConstraints()

getAllDomains	back to summary
public Collection<Domain> getAllDomains()

getAllFunctionsAndAggregates	back to summary
public Collection<UserDefinedFunction> getAllFunctionsAndAggregates()

getAllIndexes	back to summary
public Collection<Index> getAllIndexes()

getAllSequences	back to summary
public Collection<Sequence> getAllSequences()

getAllSynonyms	back to summary
public Collection<TableSynonym> getAllSynonyms()

getAllTablesAndViews back to summary

getAllTablesAndViews	back to summary
public Collection<Table> getAllTablesAndViews(SessionLocal session) Get all tables and views. Parameters session:SessionLocal the session, `null` to exclude meta tables Returns:Collection<Table> a (possible empty) list of all objects

public Collection<Table> getAllTablesAndViews(SessionLocal session)

Get all tables and views.

Parameters

session:SessionLocal: the session, null to exclude meta tables

Returns:Collection<Table>

a (possible empty) list of all objects

getAllTriggers	back to summary
public Collection<TriggerObject> getAllTriggers()

getChildren back to summary

getChildren	back to summary
public ArrayList<DbObject> getChildren() Overrides org.h2.engine.DbObject.getChildren. Doc from org.h2.engine.DbObject.getChildren. Get the list of dependent children (for tables, this includes indexes and so on). Returns:ArrayList<DbObject> the list of children, or `null` Annotations @Override

public ArrayList<DbObject> getChildren()

Overrides org.h2.engine.DbObject.getChildren.

Doc from org.h2.engine.DbObject.getChildren.

Get the list of dependent children (for tables, this includes indexes and so on).

Returns:ArrayList<DbObject>

the list of children, or null

Annotations

@Override

getConstant	back to summary
public Constant getConstant(String constantName) Get the user defined constant with the given name. Parameters constantName:String the constant name Returns:Constant the constant Exceptions DbException: if no such object exists

getConstant

back to summary

public Constant getConstant(String constantName)

Get the user defined constant with the given name.

Parameters

constantName:String: the constant name

Returns:Constant

the constant

Exceptions

DbException:: if no such object exists

getConstraint	back to summary
public Constraint getConstraint(String name) Get the constraint with the given name. Parameters name:String the constraint name Returns:Constraint the constraint Exceptions DbException: if no such object exists

getConstraint

back to summary

public Constraint getConstraint(String name)

Get the constraint with the given name.

Parameters

name:String: the constraint name

Returns:Constraint

the constraint

Exceptions

DbException:: if no such object exists

getCreateSQL	back to summary
public String getCreateSQL() Implements abstract org.h2.engine.DbObject.getCreateSQL. Doc from org.h2.engine.DbObject.getCreateSQL. Construct the CREATE ... SQL statement for this object. Returns:String the SQL statement Annotations @Override

getCreateSQL

back to summary

public String getCreateSQL()

Implements abstract org.h2.engine.DbObject.getCreateSQL.

Doc from org.h2.engine.DbObject.getCreateSQL.

Construct the CREATE ... SQL statement for this object.

Returns:String

the SQL statement

Annotations

@Override

getDomain	back to summary
public Domain getDomain(String name) Get the domain with the given name. Parameters name:String the domain name Returns:Domain the domain Exceptions DbException: if no such object exists

getDomain

back to summary

public Domain getDomain(String name)

Get the domain with the given name.

Parameters

name:String: the domain name

Returns:Domain

the domain

Exceptions

DbException:: if no such object exists

getIndex	back to summary
public Index getIndex(String name) Get the index with the given name. Parameters name:String the index name Returns:Index the index Exceptions DbException: if no such object exists

getIndex

back to summary

public Index getIndex(String name)

Get the index with the given name.

Parameters

name:String: the index name

Returns:Index

the index

Exceptions

DbException:: if no such object exists

getMap	back to summary
private Map<String, SchemaObject> getMap(int type) Annotations @SuppressWarnings:unchecked

getOwner

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public RightOwner getOwner()

Get the owner of this schema.

Returns:RightOwner: the owner

getSequence

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public Sequence getSequence(String sequenceName)

Get the sequence with the given name.

Parameters

sequenceName:String: the sequence name

Returns:Sequence

the sequence

Exceptions

DbException:: if no such object exists

getSynonym

back to summary

public TableSynonym getSynonym(String name)

Try to find a synonym with this name. This method returns null if no object with this name exists.

Parameters

name:String: the object name

Returns:TableSynonym

the object or null

getTableEngineParams

back to summary

public ArrayList<String> getTableEngineParams()

Get table engine params of this schema.

Returns:ArrayList<String>: default table engine params

getTableOrView

back to summary

public Table getTableOrView(SessionLocal session, String name)

Get the table or view with the given name. Local temporary tables are also returned.

Parameters

session:SessionLocal: the session
name:String: the table or view name

Returns:Table

the table or view

Exceptions

DbException:: if no such object exists

getTableOrViewByName

back to summary

public Table getTableOrViewByName(SessionLocal session, String name)

Get the table with the given name, if any.

Parameters

session:SessionLocal: the session
name:String: the table name

Returns:Table

the table or null if not found

getType

back to summary

public int getType()

Implements abstract org.h2.engine.DbObject.getType.

Doc from org.h2.engine.DbObject.getType.

Get the object type.

Returns:int

the object type

Annotations

@Override

getUniqueConstraintName

back to summary

public String getUniqueConstraintName(SessionLocal session, Table table)

Create a unique constraint name.

Parameters

session:SessionLocal: the session
table:Table: the constraint table

Returns:String

the unique name

getUniqueDomainConstraintName

back to summary

public String getUniqueDomainConstraintName(SessionLocal session, Domain domain)

Create a unique constraint name.

Parameters

session:SessionLocal: the session
domain:Domain: the constraint domain

Returns:String

the unique name

getUniqueIndexName

back to summary

public String getUniqueIndexName(SessionLocal session, Table table, String prefix)

Create a unique index name.

Parameters

session:SessionLocal: the session
table:Table: the indexed table
prefix:String: the index name prefix

Returns:String

the unique name

getUniqueName	back to summary
private String getUniqueName(DbObject obj, Map<String, ? extends SchemaObject> map, String prefix)

isEmpty back to summary

public boolean isEmpty()

Return whether is this schema is empty (does not contain any objects).

Returns:boolean: true if this schema is empty, false otherwise

remove

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public void remove(SchemaObject obj)

Remove an object from this schema.

Parameters

obj:SchemaObject: the object to remove

removeChildrenAndResources

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public void removeChildrenAndResources(SessionLocal session)

Implements abstract org.h2.engine.DbObject.removeChildrenAndResources.

Doc from org.h2.engine.DbObject.removeChildrenAndResources.

Delete all dependent children objects and resources of this object.

Parameters

session:SessionLocal: the session

Annotations

@Override

removeChildrenFromMap	back to summary
private void removeChildrenFromMap(SessionLocal session, ConcurrentHashMap<String, ? extends SchemaObject> map)

rename

back to summary

public void rename(SchemaObject obj, String newName)

Rename an object.

Parameters

obj:SchemaObject: the object to rename
newName:String: the new name

reserveUniqueName

back to summary

public void reserveUniqueName(String name)

Reserve a unique object name.

Parameters

name:String: the object name

resolveTableOrView

back to summary

public Table resolveTableOrView(SessionLocal session, String name)

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. If a synonym with this name exists, the backing table of the synonym is returned

Parameters

session:SessionLocal: the session
name:String: the object name

Returns:Table

the object or null

resolveTableOrView

back to summary

public Table resolveTableOrView(SessionLocal session, String name, boolean resolveMaterializedView)

Parameters

session:SessionLocal: the session
name:String: the object name
resolveMaterializedView:boolean: if true, and the object is a materialized view, return the underlying Table object.

Returns:Table

the object or null

setTableEngineParams

back to summary

public void setTableEngineParams(ArrayList<String> tableEngineParams)

Set table engine params of this schema.

Parameters

tableEngineParams:ArrayList<String>: default table engine params

public Class Schema

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail