-
Notifications
You must be signed in to change notification settings - Fork 221
/
SqlAnywhereTriggerTemplate.java
303 lines (296 loc) · 25.7 KB
/
SqlAnywhereTriggerTemplate.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
/**
* Licensed to JumpMind Inc under one or more contributor
* license agreements. See the NOTICE file distributed
* with this work for additional information regarding
* copyright ownership. JumpMind Inc licenses this file
* to you under the GNU General Public License, version 3.0 (GPLv3)
* (the "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU General Public License,
* version 3.0 (GPLv3) along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.jumpmind.symmetric.db.sqlanywhere;
import java.sql.Types;
import java.util.HashMap;
import org.apache.commons.lang3.NotImplementedException;
import org.jumpmind.db.model.Column;
import org.jumpmind.db.model.ColumnTypes;
import org.jumpmind.db.model.Table;
import org.jumpmind.db.model.TypeMap;
import org.jumpmind.symmetric.db.AbstractTriggerTemplate;
import org.jumpmind.symmetric.db.ISymmetricDialect;
import org.jumpmind.symmetric.io.data.DataEventType;
import org.jumpmind.symmetric.model.Channel;
import org.jumpmind.symmetric.model.Trigger;
import org.jumpmind.symmetric.model.TriggerHistory;
import org.jumpmind.util.FormatUtils;
public class SqlAnywhereTriggerTemplate extends AbstractTriggerTemplate {
public SqlAnywhereTriggerTemplate(ISymmetricDialect symmetricDialect) {
super(symmetricDialect);
emptyColumnTemplate = "''";
stringColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else '\"' + replace(replace($(tableAlias).\"$(columnName)\",'\\','\\\\'),'\"','\\\"') + '\"' end";
numberColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else ('\"' + cast($(tableAlias).\"$(columnName)\" as varchar) + '\"') end";
datetimeColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else ('\"' + replace(convert(varchar,$(tableAlias).\"$(columnName)\",21),'T',' ') + '\"') end";
clobColumnTemplate = "case when $(origTableAlias).\"$(columnName)\" is null then '' else '\"' + replace(replace(cast($(origTableAlias).\"$(columnName)\" as varchar(16384)),'\\','\\\\'),'\"','\\\"') + '\"' end";
blobColumnTemplate = "case when $(origTableAlias).\"$(columnName)\" is null then '' else '\"' + base64_encode($(origTableAlias).\"$(columnName)\") + '\"' end";
binaryColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else '\"' + base64_encode($(tableAlias).\"$(columnName)\") + '\"' end";
booleanColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' when $(tableAlias).\"$(columnName)\" = 1 then '\"1\"' else '\"0\"' end";
triggerConcatCharacter = "+";
newTriggerValue = "inserted";
oldTriggerValue = "deleted";
oldColumnPrefix = "";
newColumnPrefix = "";
sqlTemplates = new HashMap<String, String>();
sqlTemplates.put("insertTriggerTemplate",
"create trigger $(triggerName) on $(schemaName)$(tableName) for insert as "
+
" begin "
+
" declare @DataRow varchar(16384) "
+
" $(declareNewKeyVariables) "
+
" declare @ChannelId varchar(128) "
+
" $(custom_before_insert_text) \n" +
" if ($(syncOnIncomingBatchCondition)) begin "
+
" declare DataCursor cursor for "
+
" $(if:containsBlobClobColumns) "
+
" select $(columns) $(newKeyNames), $(channelExpression) from inserted inner join $(schemaName)$(tableName) $(origTableAlias) on $(tableNewPrimaryKeyJoin) where $(syncOnInsertCondition)"
+
" $(else:containsBlobClobColumns) "
+
" select $(columns) $(newKeyNames), $(channelExpression) from inserted where $(syncOnInsertCondition) "
+
" $(end:containsBlobClobColumns) "
+
" open DataCursor "
+
" fetch next DataCursor into @DataRow $(newKeyVariables), @ChannelId "
+
" while @@FETCH_STATUS = 0 begin "
+
" insert into $(defaultCatalog)$(defaultSchema)$(prefixName)_data (table_name, event_type, trigger_hist_id, row_data, channel_id, transaction_id, source_node_id, external_data, create_time) "
+
" values('$(targetTableName)','I', $(triggerHistoryId), @DataRow, @ChannelId, $(txIdExpression), $(defaultCatalog)$(defaultSchema)$(prefixName)_node_disabled(0), $(externalSelect), getdate()) "
+
" fetch next DataCursor into @DataRow $(newKeyVariables), @ChannelId "
+
" end "
+
" close DataCursor "
+
" deallocate DataCursor "
+
" end "
+
" $(custom_on_insert_text) "
+
" end ");
sqlTemplates.put("updateTriggerTemplate",
"create trigger $(triggerName) on $(schemaName)$(tableName) for update as "
+
" begin "
+
" declare @DataRow varchar(16384) "
+
" declare @OldPk varchar(2000) "
+
" declare @OldDataRow varchar(16384) "
+
" declare @ChannelId varchar(128) "
+
" $(declareOldKeyVariables) "
+
" $(declareNewKeyVariables) "
+
" $(custom_before_update_text) \n" +
" if ($(syncOnIncomingBatchCondition)) begin "
+
" declare DataCursor cursor for "
+
" $(if:containsBlobClobColumns) "
+
" select $(columns), $(oldKeys), $(oldColumns) $(oldKeyNames) $(newKeyNames), $(channelExpression) from inserted inner join $(schemaName)$(tableName) $(origTableAlias) on $(tableNewPrimaryKeyJoin) inner join deleted on $(oldNewPrimaryKeyJoin) where $(syncOnUpdateCondition)"
+
" $(else:containsBlobClobColumns) "
+
" select $(columns), $(oldKeys), $(oldColumns) $(oldKeyNames) $(newKeyNames), $(channelExpression) from inserted inner join deleted on $(oldNewPrimaryKeyJoin) where $(syncOnUpdateCondition) "
+
" $(end:containsBlobClobColumns) "
+
" open DataCursor "
+
" fetch next DataCursor into @DataRow, @OldPk, @OldDataRow $(oldKeyVariables) $(newKeyVariables), @ChannelId "
+
" while @@FETCH_STATUS = 0 begin "
+
" insert into $(defaultCatalog)$(defaultSchema)$(prefixName)_data (table_name, event_type, trigger_hist_id, row_data, pk_data, old_data, channel_id, transaction_id, source_node_id, external_data, create_time) "
+
" values('$(targetTableName)','U', $(triggerHistoryId), @DataRow, @OldPk, @OldDataRow, @ChannelId, $(txIdExpression), $(defaultCatalog)$(defaultSchema)$(prefixName)_node_disabled(0), $(externalSelect), getdate())"
+
" fetch next DataCursor into @DataRow, @OldPk, @OldDataRow $(oldKeyVariables) $(newKeyVariables), @ChannelId "
+
" end "
+
" close DataCursor "
+
" deallocate DataCursor "
+
" end "
+
" $(custom_on_update_text) "
+
" end ");
sqlTemplates.put("deleteTriggerTemplate",
"create trigger $(triggerName) on $(schemaName)$(tableName) for delete as "
+
" begin "
+
" declare @OldPk varchar(2000) "
+
" declare @OldDataRow varchar(16384) "
+
" declare @ChannelId varchar(128) "
+
" $(declareOldKeyVariables) "
+
" $(custom_before_delete_text) \n" +
" if ($(syncOnIncomingBatchCondition)) begin "
+
" declare DataCursor cursor for "
+
" select $(oldKeys), $(oldColumns) $(oldKeyNames), $(channelExpression) from deleted where $(syncOnDeleteCondition) "
+
" open DataCursor "
+
" fetch next DataCursor into @OldPk, @OldDataRow $(oldKeyVariables), @ChannelId "
+
" while @@FETCH_STATUS = 0 begin "
+
" insert into $(defaultCatalog)$(defaultSchema)$(prefixName)_data (table_name, event_type, trigger_hist_id, pk_data, old_data, channel_id, transaction_id, source_node_id, external_data, create_time) "
+
" values('$(targetTableName)','D', $(triggerHistoryId), @OldPk, @OldDataRow, @ChannelId, $(txIdExpression), $(defaultCatalog)$(defaultSchema)$(prefixName)_node_disabled(0), $(externalSelect), getdate())"
+
" fetch next DataCursor into @OldPk,@OldDataRow $(oldKeyVariables), @ChannelId "
+
" end "
+
" close DataCursor "
+
" deallocate DataCursor "
+
" end "
+
" $(custom_on_delete_text) "
+
" end ");
sqlTemplates.put("initialLoadSqlTemplate",
"select $(columns) from $(schemaName)$(tableName) t where $(whereClause) ");
}
@Override
protected String replaceTemplateVariables(DataEventType dml, Trigger trigger,
TriggerHistory history, Channel channel, String tablePrefix, Table originalTable, Table table,
String defaultCatalog, String defaultSchema, String ddl) {
ddl = super.replaceTemplateVariables(dml, trigger, history, channel, tablePrefix, originalTable, table,
defaultCatalog, defaultSchema, ddl);
Column[] columns = table.getPrimaryKeyColumns();
ddl = FormatUtils.replace("declareOldKeyVariables",
buildKeyVariablesDeclare(columns, "old"), ddl);
ddl = FormatUtils.replace("declareNewKeyVariables",
buildKeyVariablesDeclare(columns, "new"), ddl);
return ddl;
}
@Override
protected String buildKeyVariablesDeclare(Column[] columns, String prefix) {
String text = "";
for (int i = 0; i < columns.length; i++) {
text += "declare @" + prefix + "pk" + i + " ";
switch (columns[i].getMappedTypeCode()) {
case Types.TINYINT:
case Types.SMALLINT:
case Types.INTEGER:
case Types.BIGINT:
text += "bigint\n";
break;
case Types.NUMERIC:
case Types.DECIMAL:
text += "decimal\n";
break;
case Types.FLOAT:
case Types.REAL:
case Types.DOUBLE:
text += "float\n";
break;
case Types.CHAR:
case Types.VARCHAR:
case ColumnTypes.NVARCHAR:
case ColumnTypes.LONGNVARCHAR:
case Types.LONGVARCHAR:
text += "varchar(1000)\n";
break;
case Types.DATE:
text += "date\n";
break;
case Types.TIME:
text += "time\n";
break;
case Types.TIMESTAMP:
text += "datetime\n";
break;
case Types.BOOLEAN:
case Types.BIT:
text += "bit\n";
break;
case Types.CLOB:
text += "varchar(16384)\n";
break;
case Types.BLOB:
case Types.BINARY:
case Types.VARBINARY:
case Types.LONGVARBINARY:
case -10: // SQL-Server ntext binary type
text += "varbinary(16384)\n";
break;
case Types.OTHER:
text += "varbinary(16384)\n";
break;
default:
if (columns[i].getJdbcTypeName() != null
&& columns[i].getJdbcTypeName().equalsIgnoreCase("interval")) {
text += "interval";
break;
}
throw new NotImplementedException(columns[i] + " is of type "
+ columns[i].getMappedType());
}
text += appendSemicolonAfterDeclare();
}
return text;
}
protected String appendSemicolonAfterDeclare() {
return "";
}
@Override
protected boolean useTriggerTemplateForColumnTemplatesDuringInitialLoad(Column column) {
boolean result = super.useTriggerTemplateForColumnTemplatesDuringInitialLoad(column);
if (column != null) {
if (column.getJdbcTypeName() != null && column.getJdbcTypeName().toUpperCase().contains(TypeMap.VARBIT)) {
result = true;
}
}
return result;
}
}