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MsSqlTriggerTemplate.java
497 lines (457 loc) · 42.9 KB
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MsSqlTriggerTemplate.java
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/**
* 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.mssql;
import static org.apache.commons.lang.StringUtils.isBlank;
import static org.apache.commons.lang.StringUtils.isNotBlank;
import java.sql.Types;
import java.util.HashMap;
import org.apache.commons.lang.StringUtils;
import org.jumpmind.db.model.Column;
import org.jumpmind.db.model.Table;
import org.jumpmind.symmetric.common.ParameterConstants;
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.symmetric.util.SymmetricUtils;
import org.jumpmind.util.FormatUtils;
public class MsSqlTriggerTemplate extends AbstractTriggerTemplate {
boolean castToNVARCHAR;
public MsSqlTriggerTemplate(ISymmetricDialect symmetricDialect) {
super(symmetricDialect);
castToNVARCHAR = symmetricDialect.getParameterService().is(ParameterConstants.MSSQL_USE_NTYPES_FOR_SYNC);
String triggerExecuteAs = symmetricDialect.getParameterService().getString(ParameterConstants.MSSQL_TRIGGER_EXECUTE_AS, "self");
String defaultCatalog = symmetricDialect.getParameterService().is(ParameterConstants.MSSQL_INCLUDE_CATALOG_IN_TRIGGERS, true) ? "$(defaultCatalog)" : "";
// @formatter:off
emptyColumnTemplate = "''" ;
stringColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else '\"' + replace(replace(convert("+
(castToNVARCHAR ? "n" : "")
+"varchar($(columnSize)),$(tableAlias).\"$(columnName)\") $(masterCollation),'\\','\\\\'),'\"','\\\"') + '\"' end" ;
geometryColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else '\"' + replace(replace(convert("+(castToNVARCHAR ? "n" : "")+"varchar(max),$(tableAlias).\"$(columnName)\".STAsText()) $(masterCollation),'\\','\\\\'),'\"','\\\"') + '\"' end" ;
geographyColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else '\"' + replace(replace(convert("+(castToNVARCHAR ? "n" : "")+"varchar(max),$(tableAlias).\"$(columnName)\".STAsText()) $(masterCollation),'\\','\\\\'),'\"','\\\"') + '\"' end" ;
numberColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else ('\"' + convert(varchar(40), $(tableAlias).\"$(columnName)\",2) + '\"') end" ;
datetimeColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else ('\"' + convert(varchar,$(tableAlias).\"$(columnName)\",121) + '\"') end" ;
clobColumnTemplate = "case when $(origTableAlias).\"$(columnName)\" is null then '' else '\"' + replace(replace(cast($(origTableAlias).\"$(columnName)\" as "+(castToNVARCHAR ? "n" : "")+"varchar(max)),'\\','\\\\'),'\"','\\\"') + '\"' end" ;
blobColumnTemplate = "case when $(origTableAlias).\"$(columnName)\" is null then '' else '\"' + replace(replace(" + defaultCatalog + "dbo.$(prefixName)_base64_encode(CONVERT(VARBINARY(max), $(origTableAlias).\"$(columnName)\")),'\\','\\\\'),'\"','\\\"') + '\"' end" ;
binaryColumnTemplate = blobColumnTemplate;
booleanColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' when $(tableAlias).\"$(columnName)\" = 1 then '\"1\"' else '\"0\"' end" ;
//dateTimeWithTimeZoneColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else ('\"' + convert(varchar, $(tableAlias).\"$(columnName)\", 127) + '\"') end";
dateTimeWithTimeZoneColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else ('\"' + convert(varchar,cast($(tableAlias).\"$(columnName)\" as datetime2), 121) + ' ' + case when datepart(tz, $(tableAlias).\"$(columnName)\") > 0 then '+' else '-' end + RIGHT('0' + cast(abs(datepart(tz, $(tableAlias).\"$(columnName)\") / 60) as varchar), 2) + ':' + RIGHT('0' + cast(datepart(tz, $(tableAlias).\"$(columnName)\") % 60 as varchar), 2) + '\"') end";
triggerConcatCharacter = "+" ;
newTriggerValue = "inserted" ;
oldTriggerValue = "deleted" ;
oldColumnPrefix = "" ;
newColumnPrefix = "" ;
sqlTemplates = new HashMap<String,String>();
sqlTemplates.put("insertTriggerTemplate" ,
"create trigger $(triggerName) on $(schemaName)$(tableName) with execute as "+triggerExecuteAs+" after insert as \n" +
" begin \n" +
" declare @NCT int \n" +
" set @NCT = @@OPTIONS & 512 \n" +
" set nocount on \n" +
" declare @TransactionId varchar(1000) \n" +
" if (@@TRANCOUNT > 0) begin \n" +
" select @TransactionId = convert(VARCHAR(1000),transaction_id) from sys.dm_exec_requests where session_id=@@SPID and open_transaction_count > 0 \n" +
" end \n" +
" $(custom_before_insert_text) \n" +
" if ($(syncOnIncomingBatchCondition)) begin \n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data \n" +
" (table_name, event_type, trigger_hist_id, row_data, channel_id, transaction_id, source_node_id, external_data, create_time) \n" +
" select '$(targetTableName)','I', $(triggerHistoryId), $(columns), \n" +
" $(channelExpression), $(txIdExpression), " + defaultCatalog + "dbo.$(prefixName)_node_disabled(), $(externalSelect), current_timestamp \n" +
" $(if:containsBlobClobColumns) \n" +
" from inserted inner join $(schemaName)$(tableName) $(origTableAlias) on $(tableNewPrimaryKeyJoin) \n" +
" $(else:containsBlobClobColumns) \n" +
" from inserted \n" +
" $(end:containsBlobClobColumns) \n" +
" where $(syncOnInsertCondition) \n" +
" end \n" +
" $(custom_on_insert_text) \n" +
" if (@NCT = 0) set nocount off \n" +
" end \n" +
"---- go");
sqlTemplates.put("insertReloadTriggerTemplate" ,
"create trigger $(triggerName) on $(schemaName)$(tableName) with execute as "+triggerExecuteAs+" after insert as \n" +
" begin \n" +
" declare @NCT int \n" +
" set @NCT = @@OPTIONS & 512 \n" +
" set nocount on \n" +
" declare @TransactionId varchar(1000) \n" +
" if (@@TRANCOUNT > 0) begin \n" +
" select @TransactionId = convert(VARCHAR(1000),transaction_id) from sys.dm_exec_requests where session_id=@@SPID and open_transaction_count > 0 \n" +
" end \n" +
" $(custom_before_insert_text) \n" +
" if ($(syncOnIncomingBatchCondition)) begin \n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data \n" +
" (table_name, event_type, trigger_hist_id, pk_data, channel_id, transaction_id, source_node_id, external_data, create_time) \n" +
" select '$(targetTableName)','R', $(triggerHistoryId), $(newKeys), \n" +
" $(channelExpression), $(txIdExpression), " + defaultCatalog + "dbo.$(prefixName)_node_disabled(), $(externalSelect), current_timestamp \n" +
" $(if:containsBlobClobColumns) \n" +
" from inserted inner join $(schemaName)$(tableName) $(origTableAlias) on $(tableNewPrimaryKeyJoin) \n" +
" $(else:containsBlobClobColumns) \n" +
" from inserted \n" +
" $(end:containsBlobClobColumns) \n" +
" where $(syncOnInsertCondition) \n" +
" end \n" +
" $(custom_on_insert_text) \n" +
" if (@NCT = 0) set nocount off \n" +
" end \n" +
"---- go");
// TODO Unable to get old data for delete during primary key update trigger because the delete record
// has the old keys, but the record has already been updated with the new keys so there is no way to
// join the deleted record with the original record from the table.
// This occurs for column types like blob, clob, varbinary and binary because those are captured using blobTemplate
// and need access to the original data
sqlTemplates.put("updateTriggerTemplate" ,
"create trigger $(triggerName) on $(schemaName)$(tableName) \n" +
" with execute as "+triggerExecuteAs+" after update as \n" +
"begin \n" +
" declare @LOCALROWCOUNT int \n" +
" set @LOCALROWCOUNT=@@ROWCOUNT \n" +
" declare @NCT int \n" +
" set @NCT = @@OPTIONS & 512 \n" +
" set nocount on \n" +
" declare @TransactionId varchar(1000) \n" +
" if (@@TRANCOUNT > 0) \n" +
" begin \n" +
" select @TransactionId = convert(VARCHAR(1000),transaction_id) \n" +
" from sys.dm_exec_requests \n" +
" where session_id=@@SPID and open_transaction_count > 0 \n" +
" end \n" +
" $(custom_before_update_text) \n" +
" if ($(syncOnIncomingBatchCondition)) \n" +
" begin \n" +
" if ($(hasPrimaryKeysDefined) $(primaryKeysUpdated) ) \n" +
" begin \n" +
" if (@LOCALROWCOUNT = 1) \n" +
" begin \n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data \n" +
" (table_name, event_type, trigger_hist_id, row_data, pk_data, old_data, channel_id, \n" +
" transaction_id, source_node_id, \n" +
" external_data, create_time) \n" +
" select '$(targetTableName)','U', $(triggerHistoryId), $(columns), $(oldKeys), $(oldColumns), \n" +
" $(channelExpression), \n" +
" $(txIdExpression), " + defaultCatalog + "dbo.$(prefixName)_node_disabled(), $(externalSelect), \n" +
" current_timestamp \n" +
" $(if:containsBlobClobColumns) \n" +
" from inserted \n" +
" inner join $(schemaName)$(tableName) $(origTableAlias) on $(tableNewPrimaryKeyJoin) \n" +
" inner join deleted on 1=1 \n" +
" $(else:containsBlobClobColumns) \n" +
" from inserted \n" +
" inner join deleted on 1=1 \n" +
" $(end:containsBlobClobColumns) \n" +
" where $(syncOnUpdateCondition) and ($(dataHasChangedCondition)) \n" +
" end \n" +
" else \n" +
" begin \n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data \n" +
" (table_name, event_type, trigger_hist_id, pk_data, channel_id, transaction_id, \n" +
" source_node_id, external_data, create_time) \n" +
" select '$(targetTableName)','D', $(triggerHistoryId), $(oldKeys), \n" +
" $(specialSqlServerSybaseChannelExpression), $(txIdExpression), \n" +
defaultCatalog + "dbo.$(prefixName)_node_disabled(), \n" +
" $(externalSelectForDelete), current_timestamp \n" +
" from deleted \n" +
" where $(syncOnDeleteCondition) \n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data \n" +
" (table_name, event_type, trigger_hist_id, row_data, channel_id, transaction_id, \n" +
" source_node_id, external_data, create_time) \n" +
" select '$(targetTableName)','I', $(triggerHistoryId), $(columns), \n" +
" $(channelExpression), $(txIdExpression), \n" +
defaultCatalog + "dbo.$(prefixName)_node_disabled(), \n" +
" $(externalSelectForInsert), current_timestamp \n" +
" $(if:containsBlobClobColumns) \n" +
" from inserted \n" +
" inner join $(schemaName)$(tableName) $(origTableAlias) on $(tableNewPrimaryKeyJoin) \n" +
" $(else:containsBlobClobColumns) \n" +
" from inserted \n" +
" $(end:containsBlobClobColumns) \n" +
" where $(syncOnInsertCondition) \n" +
" end \n" +
" end \n" +
" else \n" +
" begin \n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data \n" +
" (table_name, event_type, trigger_hist_id, row_data, pk_data, old_data, channel_id, \n" +
" transaction_id, source_node_id, \n" +
" external_data, create_time) \n" +
" select '$(targetTableName)','U', $(triggerHistoryId), $(columns), $(oldKeys), $(oldColumns), \n" +
" $(channelExpression), \n" +
" $(txIdExpression), " + defaultCatalog + "dbo.$(prefixName)_node_disabled(), $(externalSelect), \n" +
" current_timestamp \n" +
" $(if:containsBlobClobColumns) \n" +
" from inserted \n" +
" inner join $(schemaName)$(tableName) $(origTableAlias) on $(tableNewPrimaryKeyJoin) \n" +
" inner join deleted on $(oldNewPrimaryKeyJoin) \n" +
" $(else:containsBlobClobColumns) \n" +
" from inserted \n" +
" inner join deleted on $(oldNewPrimaryKeyJoin) \n" +
" $(end:containsBlobClobColumns) \n" +
" where $(syncOnUpdateCondition) and ($(dataHasChangedCondition)) \n" +
" end \n" +
" end \n" +
" $(custom_on_update_text) \n" +
" if (@NCT = 0) set nocount off \n" +
"end \n" +
"---- go");
sqlTemplates.put("updateReloadTriggerTemplate" ,
"create trigger $(triggerName) on $(schemaName)$(tableName) \n" +
" with execute as "+triggerExecuteAs+" after update as \n" +
"begin \n" +
" declare @LOCALROWCOUNT int \n" +
" set @LOCALROWCOUNT=@@ROWCOUNT \n" +
" declare @NCT int \n" +
" set @NCT = @@OPTIONS & 512 \n" +
" set nocount on \n" +
" declare @TransactionId varchar(1000) \n" +
" if (@@TRANCOUNT > 0) \n" +
" begin \n" +
" select @TransactionId = convert(VARCHAR(1000),transaction_id) \n" +
" from sys.dm_exec_requests \n" +
" where session_id=@@SPID and open_transaction_count > 0 \n" +
" end \n" +
" $(custom_before_update_text) \n" +
" if ($(syncOnIncomingBatchCondition)) \n" +
" begin \n" +
" if ($(hasPrimaryKeysDefined) $(primaryKeysUpdated) ) \n" +
" begin \n" +
" if (@LOCALROWCOUNT = 1) \n" +
" begin \n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data \n" +
" (table_name, event_type, trigger_hist_id, row_data, pk_data, old_data, channel_id, \n" +
" transaction_id, source_node_id, \n" +
" external_data, create_time) \n" +
" select '$(targetTableName)','U', $(triggerHistoryId), $(columns), $(oldKeys), $(oldColumns), \n" +
" $(channelExpression), \n" +
" $(txIdExpression), " + defaultCatalog + "dbo.$(prefixName)_node_disabled(), $(externalSelect), \n" +
" current_timestamp \n" +
" $(if:containsBlobClobColumns) \n" +
" from inserted \n" +
" inner join $(schemaName)$(tableName) $(origTableAlias) on $(tableNewPrimaryKeyJoin) \n" +
" inner join deleted on 1=1 \n" +
" $(else:containsBlobClobColumns) \n" +
" from inserted \n" +
" inner join deleted on 1=1 \n" +
" $(end:containsBlobClobColumns) \n" +
" where $(syncOnUpdateCondition) and ($(dataHasChangedCondition)) \n" +
" end \n" +
" else \n" +
" begin \n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data \n" +
" (table_name, event_type, trigger_hist_id, pk_data, channel_id, transaction_id, \n" +
" source_node_id, external_data, create_time) \n" +
" select '$(targetTableName)','D', $(triggerHistoryId), $(oldKeys), \n" +
" $(specialSqlServerSybaseChannelExpression), \n" +
" $(txIdExpression), " + defaultCatalog + "dbo.$(prefixName)_node_disabled(), \n" +
" $(externalSelectForDelete), current_timestamp \n" +
" from deleted \n" +
" where $(syncOnDeleteCondition) \n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data \n" +
" (table_name, event_type, trigger_hist_id, pk_data, channel_id, transaction_id, \n" +
" source_node_id, external_data, create_time) \n" +
" select '$(targetTableName)','R', $(triggerHistoryId), $(newKeys), \n" +
" $(channelExpression), $(txIdExpression), \n" +
defaultCatalog + "dbo.$(prefixName)_node_disabled(), \n" +
" $(externalSelectForInsert), current_timestamp \n" +
" $(if:containsBlobClobColumns) \n" +
" from inserted \n" +
" inner join $(schemaName)$(tableName) $(origTableAlias) on $(tableNewPrimaryKeyJoin) \n" +
" $(else:containsBlobClobColumns) \n" +
" from inserted \n" +
" $(end:containsBlobClobColumns) \n" +
" where $(syncOnInsertCondition) \n" +
" end \n" +
" end \n" +
" else \n" +
" begin \n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data \n" +
" (table_name, event_type, trigger_hist_id, pk_data, channel_id, transaction_id, \n" +
" source_node_id, external_data, create_time) \n" +
" select '$(targetTableName)','R', $(triggerHistoryId), $(oldKeys), $(channelExpression), \n" +
" $(txIdExpression), " + defaultCatalog + "dbo.$(prefixName)_node_disabled(), \n" +
" $(externalSelect), current_timestamp \n" +
" $(if:containsBlobClobColumns) \n" +
" from inserted \n" +
" inner join $(schemaName)$(tableName) $(origTableAlias) on $(tableNewPrimaryKeyJoin) \n" +
" inner join deleted on $(oldNewPrimaryKeyJoin) \n" +
" $(else:containsBlobClobColumns) \n" +
" from inserted \n" +
" inner join deleted on $(oldNewPrimaryKeyJoin) \n" +
" $(end:containsBlobClobColumns) \n" +
" where $(syncOnUpdateCondition) and ($(dataHasChangedCondition)) \n" +
" end \n" +
" end \n" +
" $(custom_on_update_text) \n" +
" if (@NCT = 0) set nocount off \n" +
"end \n" +
"---- go");
sqlTemplates.put("deleteTriggerTemplate" ,
"create trigger $(triggerName) on $(schemaName)$(tableName) with execute as "+triggerExecuteAs+" after delete as \n" +
" begin \n" +
" declare @NCT int \n" +
" set @NCT = @@OPTIONS & 512 \n" +
" set nocount on \n" +
" declare @TransactionId varchar(1000) \n" +
" if (@@TRANCOUNT > 0) begin \n" +
" select @TransactionId = convert(VARCHAR(1000),transaction_id) from sys.dm_exec_requests where session_id=@@SPID and open_transaction_count > 0 \n" +
" end \n" +
" $(custom_before_delete_text) \n" +
" if ($(syncOnIncomingBatchCondition)) begin \n" +
" 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) \n" +
" select '$(targetTableName)','D', $(triggerHistoryId), $(oldKeys), $(oldColumns), $(channelExpression), \n" +
" $(txIdExpression), " + defaultCatalog + "dbo.$(prefixName)_node_disabled(), $(externalSelect), current_timestamp\n" +
" from deleted where $(syncOnDeleteCondition) \n" +
" end \n" +
" $(custom_on_delete_text) \n" +
" if (@NCT = 0) set nocount off \n" +
" end \n" +
"---- go");
sqlTemplates.put("ddlTriggerTemplate",
"create trigger $(triggerName) on database\n" +
"for create_table, drop_table, alter_table,\n" +
"create_view, drop_view, alter_view,\n" +
"create_function, drop_function, alter_function,\n" +
"create_procedure, drop_procedure, alter_procedure,\n" +
"create_trigger, drop_trigger, alter_trigger,\n" +
"create_index, drop_index, alter_index as\n" +
"declare @data xml\n" +
"declare @histId int\n" +
"set @data = eventdata()\n" +
"if (@data.value('(/EVENT_INSTANCE/ObjectName)[1]', 'nvarchar(128)') not like '$(prefixName)%') begin\n" +
" select @histId = max(trigger_hist_id) from " + defaultCatalog + "$(defaultSchema)$(prefixName)_trigger_hist where source_table_name = '$(prefixName)_node'\n" +
" insert into " + defaultCatalog + "$(defaultSchema)$(prefixName)_data\n" +
" (table_name, event_type, trigger_hist_id, row_data, channel_id, source_node_id, create_time)\n" +
" values ('$(prefixName)_node', '" + DataEventType.SQL.getCode() + "', @histId,\n" +
" '\"' + replace(replace(@data.value('(/EVENT_INSTANCE/TSQLCommand/CommandText)[1]', 'nvarchar(max)'),'\\','\\\\'),'\"','\\\"') + '\",ddl',\n" +
" 'config', dbo.$(prefixName)_node_disabled(), current_timestamp)\n" +
"end\n" +
"---- go");
sqlTemplates.put("initialLoadSqlTemplate" ,
"select $(columns) from $(schemaName)$(tableName) t where $(whereClause) " );
}
@Override
protected String replaceTemplateVariables(DataEventType dml, Trigger trigger,
TriggerHistory history, Channel channel, String tablePrefix, Table originalTable, Table table,
String defaultCatalog, String defaultSchema, String ddl)
{
ddl = super.replaceTemplateVariables(dml, trigger, history, channel, tablePrefix, originalTable, table,
defaultCatalog, defaultSchema, ddl);
Column[] columns = table.getPrimaryKeyColumns();
ddl = FormatUtils.replace("declareOldKeyVariables",
buildKeyVariablesDeclare(columns, "old"), ddl);
ddl = FormatUtils.replace("declareNewKeyVariables",
buildKeyVariablesDeclare(columns, "new"), ddl);
ddl = FormatUtils.replace("anyNonBlobColumnChanged",
buildNonLobColumnsAreNotEqualString(table, newTriggerValue, oldTriggerValue), ddl);
ddl = FormatUtils.replace("nonBlobColumns", buildNonLobColumnsString(table), ddl);
return ddl;
}
protected boolean isNotComparable(Column column) {
String columnType = column.getJdbcTypeName();
return StringUtils.equalsIgnoreCase(columnType, "IMAGE")
|| StringUtils.equalsIgnoreCase(columnType, "TEXT")
|| StringUtils.equalsIgnoreCase(columnType, "NTEXT");
}
private String buildNonLobColumnsAreNotEqualString(Table table, String table1Name, String table2Name){
StringBuilder builder = new StringBuilder();
for(Column column : table.getColumns()){
if (isNotComparable(column)) {
continue;
}
if (builder.length() > 0) {
builder.append(" or ");
}
builder.append(String.format("((%1$s.\"%2$s\" IS NOT NULL AND %3$s.\"%2$s\" IS NOT NULL AND %1$s.\"%2$s\"<>%3$s.\"%2$s\") or "
+ "(%1$s.\"%2$s\" IS NULL AND %3$s.\"%2$s\" IS NOT NULL) or "
+ "(%1$s.\"%2$s\" IS NOT NULL AND %3$s.\"%2$s\" IS NULL))", table1Name, column.getName(), table2Name));
}
if (builder.length() == 0) {
builder.append("1=1");
}
return builder.toString();
}
private String buildNonLobColumnsString(Table table){
StringBuilder builder = new StringBuilder();
for(Column column : table.getColumns()){
if(isNotComparable(column)){
continue;
}
if(builder.length() > 0){
builder.append(",");
}
builder.append('"');
builder.append(column.getName());
builder.append('"');
}
return builder.toString();
}
protected String getSourceTablePrefix(TriggerHistory triggerHistory) {
String prefix = (isNotBlank(triggerHistory.getSourceSchemaName()) ? SymmetricUtils.quote(
symmetricDialect, triggerHistory.getSourceSchemaName()) + symmetricDialect.getPlatform().getDatabaseInfo().getSchemaSeparator() : "");
prefix = (isNotBlank(triggerHistory.getSourceCatalogName()) ? SymmetricUtils.quote(
symmetricDialect, triggerHistory.getSourceCatalogName()) + symmetricDialect.getPlatform().getDatabaseInfo().getCatalogSeparator() : "")
+ prefix;
if (isBlank(prefix)) {
prefix = (isNotBlank(symmetricDialect.getPlatform().getDefaultSchema()) ? SymmetricUtils
.quote(symmetricDialect, symmetricDialect.getPlatform().getDefaultSchema())
+ "." : "");
if (symmetricDialect.getParameterService().is(ParameterConstants.MSSQL_INCLUDE_CATALOG_IN_TRIGGERS, true)) {
prefix = (isNotBlank(symmetricDialect.getPlatform().getDefaultCatalog()) ? SymmetricUtils
.quote(symmetricDialect, symmetricDialect.getPlatform().getDefaultCatalog())
+ "." : "") + prefix;
}
}
return prefix;
}
@Override
protected String getColumnSize(Table table, Column column) {
int totalSize = 0;
for (Column c : table.getColumns()) {
totalSize += c.getSizeAsInt();
}
if (castToNVARCHAR && totalSize > 8000) {
return "max";
}
if (castToNVARCHAR && column.getSizeAsInt() > 4000) {
return "max";
}
return column.getSize();
}
@Override
protected boolean useTriggerTemplateForColumnTemplatesDuringInitialLoad(Column column) {
boolean result = super.useTriggerTemplateForColumnTemplatesDuringInitialLoad(column);
if (column != null) {
int type = column.getJdbcTypeCode();
if (type == Types.DECIMAL || type == Types.FLOAT || type == Types.DOUBLE) {
// always use template for decimal to avoid conversion to scientific notation
result = true;
}
}
return result;
}
@Override
protected boolean requiresEmptyLobTemplateForDeletes() {
return true;
}
}