Class DropAliasConstantAction
java.lang.Object
org.apache.derby.impl.sql.execute.DDLConstantAction
org.apache.derby.impl.sql.execute.DropAliasConstantAction
- All Implemented Interfaces:
ConstantAction
This class performs actions that are ALWAYS performed for a
DROP FUNCTION/PROCEDURE/SYNONYM statement at execution time.
All of these SQL objects are represented by an AliasDescriptor.
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate final String
private final char
private SchemaDescriptor
Fields inherited from interface org.apache.derby.iapi.sql.execute.ConstantAction
WHEN_MATCHED_THEN_DELETE, WHEN_MATCHED_THEN_UPDATE, WHEN_NOT_MATCHED_THEN_INSERT
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Constructor Summary
ConstructorsConstructorDescriptionDropAliasConstantAction
(SchemaDescriptor sd, String aliasName, char nameSpace) Make the ConstantAction for a DROP ALIAS statement. -
Method Summary
Modifier and TypeMethodDescriptionvoid
executeConstantAction
(Activation activation) This is the guts of the Execution-time logic for DROP ALIAS.toString()
Methods inherited from class org.apache.derby.impl.sql.execute.DDLConstantAction
addColumnDependencies, adjustUDTDependencies, adjustUDTDependencies, constructToString, getAndCheckSchemaDescriptor, getSchemaDescriptorForCreate, lockTableForDDL, storeConstraintDependenciesOnPrivileges, storeViewTriggerDependenciesOnPrivileges
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Field Details
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sd
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aliasName
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nameSpace
private final char nameSpace
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Constructor Details
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DropAliasConstantAction
DropAliasConstantAction(SchemaDescriptor sd, String aliasName, char nameSpace) Make the ConstantAction for a DROP ALIAS statement.- Parameters:
aliasName
- Alias name.nameSpace
- Alias name space.
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Method Details
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toString
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executeConstantAction
This is the guts of the Execution-time logic for DROP ALIAS.- Parameters:
activation
- The execution environment for this constant action.- Throws:
StandardException
- Thrown on failure- See Also:
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