Class DropSequenceConstantAction
- java.lang.Object
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- org.apache.derby.impl.sql.execute.DDLConstantAction
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- org.apache.derby.impl.sql.execute.DropSequenceConstantAction
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- All Implemented Interfaces:
ConstantAction
class DropSequenceConstantAction extends DDLConstantAction
This class describes actions that are ALWAYS performed for a DROP SEQUENCE Statement at Execution time.
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Field Summary
Fields Modifier and Type Field Description private SchemaDescriptor
schemaDescriptor
private java.lang.String
sequenceName
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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
Constructors Constructor Description DropSequenceConstantAction(SchemaDescriptor sd, java.lang.String sequenceName)
Make the ConstantAction for a DROP SEQUENCE statement.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
executeConstantAction(Activation activation)
This is the guts of the Execution-time logic for DROP SEQUENCE.java.lang.String
toString()
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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 Detail
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sequenceName
private final java.lang.String sequenceName
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schemaDescriptor
private final SchemaDescriptor schemaDescriptor
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Constructor Detail
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DropSequenceConstantAction
DropSequenceConstantAction(SchemaDescriptor sd, java.lang.String sequenceName)
Make the ConstantAction for a DROP SEQUENCE statement.- Parameters:
sequenceName
- sequence name to be dropped
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Method Detail
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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executeConstantAction
public void executeConstantAction(Activation activation) throws StandardException
This is the guts of the Execution-time logic for DROP SEQUENCE.- Parameters:
activation
- The execution environment for this constant action.- Throws:
StandardException
- Thrown on failure- See Also:
ConstantAction.executeConstantAction(org.apache.derby.iapi.sql.Activation)
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