Package org.pgcodekeeper.core.database.base.schema.meta

Class MetaRelation

java.lang.Object

org.pgcodekeeper.core.database.base.schema.meta.MetaStatement

org.pgcodekeeper.core.database.base.schema.meta.MetaRelation

All Implemented Interfaces:

Serializable, IRelation, ISearchPath, IStatement

public final class MetaRelation
extends MetaStatement
implements IRelation

Represents a database relation metadata object (table, view, sequence, etc.). Stores information about relation columns including their names and types.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
MetaRelation(String schemaName, String relationName, DbObjType type)	Creates a new relation metadata object.
MetaRelation(ObjectLocation object)	Creates a new relation metadata object with location information.

Method Summary

Modifier and Type	Method	Description
void	addColumns(List<? extends Pair<String,String>> columns)	Sets the columns for this relation.
ISchema	getContainingSchema()	Returns the containing schema of this relation.
Stream<Pair<String,String>>	getRelationColumns()	Gets the columns of this relation as name-type pairs.
String	getSchemaName()	Returns the schema name of this relation.

Methods inherited from class org.pgcodekeeper.core.database.base.schema.meta.MetaStatement

addDependency, appendAlterSQL, appendOwnerSQL, canDrop, canDropBeforeCreate, clearPrivileges, compare, deepCopy, formatSql, getAuthor, getBareName, getChildren, getComment, getCreationSQL, getDatabase, getDependencies, getDescendants, getDropSQL, getFilePath, getLibName, getLineNumber, getLocation, getName, getObject, getObjectReference, getObjLength, getOffset, getOwner, getParent, getPrivileges, getQualifiedName, getQuoter, getRenameCommand, getSeparator, getSQL, getStatementType, getTwin, hasChildren, isLib, setComment, setLibName, setLocation, setOwner, shallowCopy

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.pgcodekeeper.core.database.api.schema.ISearchPath

getDatabase, toObjectReference

Methods inherited from interface org.pgcodekeeper.core.database.api.schema.IStatement

addDependency, appendAlterSQL, appendOwnerSQL, canDrop, canDropBeforeCreate, clearPrivileges, compare, deepCopy, formatSql, getAuthor, getBareName, getChildren, getComment, getCreationSQL, getDependencies, getDescendants, getDropSQL, getLibName, getLocation, getName, getOwner, getParent, getPrivileges, getQualifiedName, getQuotedName, getQuoter, getRenameCommand, getSeparator, getSQL, getStatementType, getTwin, getTypeName, hasChildren, isLib, isOwned, quote, setComment, setLibName, setLocation, setOwner, shallowCopy

Constructor Details

MetaRelation

public MetaRelation(ObjectLocation object)

Creates a new relation metadata object with location information.

Parameters:

object - the object location information

MetaRelation

public MetaRelation(String schemaName,
 String relationName,
 DbObjType type)

Creates a new relation metadata object.

Parameters:

schemaName - the schema name

relationName - the relation name

type - the database object type

Method Details

getRelationColumns

public Stream<Pair<String,String>> getRelationColumns()

Description copied from interface: IRelation

Gets the columns of this relation as name-type pairs.

Specified by:

getRelationColumns in interface IRelation

Returns:

a stream of column name and type pairs

addColumns

public void addColumns(List<? extends Pair<String,String>> columns)

Sets the columns for this relation.

Parameters:

columns - the list of column name-type pairs

getContainingSchema

public ISchema getContainingSchema()

Returns the containing schema of this relation. This operation is not supported for metadata relations.

Specified by:

getContainingSchema in interface ISearchPath

Returns:

never returns normally

Throws:

IllegalStateException - always thrown as this operation is unsupported

getSchemaName

public String getSchemaName()

Returns the schema name of this relation.

Specified by:

getSchemaName in interface ISearchPath

Returns:

the schema name