|
1 package com.daffodilwoods.daffodildb.server.sql99.ddl.schemamanipulation;
2
3 import com.daffodilwoods.daffodildb.server.serversystem.*;
4 import com.daffodilwoods.daffodildb.server.sql99.ddl.descriptors.*;
5 import com.daffodilwoods.daffodildb.server.sql99.ddl.utility.*;
6 import com.daffodilwoods.daffodildb.server.sql99.dql.tableexpression.fromclause.*;
7 import com.daffodilwoods.daffodildb.server.sql99.token.*;
8 import com.daffodilwoods.database.general.*;
9 import com.daffodilwoods.database.resource.*;
10
11 public class dropsequencestatement implements SQLschemamanipulationstatement {
12 public localorschemaqualifiedname _localorschemaqualifiedname0;
13 public SRESERVEDWORD1206543922 _SRESERVEDWORD12065439221;
14 public SRESERVEDWORD1206543922 _SRESERVEDWORD12065439222;
15
16 public Object  run(Object object) throws DException {
17 _ServerSession currentSession = (_ServerSession) object;
18 SequenceNumberDescriptor sequenceDescriptor = new SequenceNumberDescriptor();
19 setSequenceName(currentSession, sequenceDescriptor);
20 sequenceDescriptor.load(currentSession);
21 String schemaOwner = GeneralUtility.getSchemaOwner(sequenceDescriptor.
22 sequence_catalog, sequenceDescriptor.sequence_schema, currentSession);
23 GeneralUtility.validateUserRights(schemaOwner, currentSession);
24 dropSequence(currentSession, sequenceDescriptor);
25
26 refreshServerSystem(currentSession, sequenceDescriptor.getQualifiedName());
27 return null;
28 }
29
30 public void dropSequence(_ServerSession currentSession,
31 SequenceNumberDescriptor sequenceDescriptor) throws
32 DException {
33
36 sequenceDescriptor.delete(currentSession);
37 }
38
39 public void refreshServerSystem(_ServerSession currentSession,
40 QualifiedIdentifier sequenceName) throws
41 DException {
42 currentSession.getSequenceManager().removeSequence(sequenceName);
43 }
44
45
46 private void setSequenceName(_ServerSession currentSession,
47 SequenceNumberDescriptor sequenceDescriptor) throws DException {
48 sequenceDescriptor.sequence_catalog = _localorschemaqualifiedname0.
49 getCatalogName();
50 sequenceDescriptor.sequence_schema = _localorschemaqualifiedname0.
51 getSchemaName();
52 if (sequenceDescriptor.sequence_catalog == null) {
53 sequenceDescriptor.sequence_catalog = currentSession.getCurrentCatalog();
54 }
55 if (sequenceDescriptor.sequence_schema == null) {
56 sequenceDescriptor.sequence_schema = currentSession.getCurrentSchema();
57 }
58 sequenceDescriptor.sequence_name = _localorschemaqualifiedname0.
59 getIdentifierName();
60 }
61
62 public Object clone() throws CloneNotSupportedException {
63 return this;
64 }
65
66 public String toString() {
67 StringBuffer sb = new StringBuffer ();
68 sb.append(" ");
69 sb.append(_SRESERVEDWORD12065439222);
70 sb.append(" ");
71 sb.append(_SRESERVEDWORD12065439221);
72 sb.append(" ");
73 sb.append(_localorschemaqualifiedname0);
74 return sb.toString();
75 }
76 }
77 |
Popular Tags |
Java API By Example, From Geeks To Geeks.