cheese8 commented on a change in pull request #14864:
URL: https://github.com/apache/shardingsphere/pull/14864#discussion_r821367349
##########
File path:
shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-core/src/main/java/org/apache/shardingsphere/sharding/rule/ShardingRule.java
##########
@@ -216,6 +221,104 @@ private BindingTableRule createBindingTableRule(final
String bindingTableGroup)
return result;
}
+ private void checkSameBindingTables(final Collection<String>
bindingTableGroups, final Map<String, BindingTableRule> bindingTableRules) {
+ for (String each : bindingTableGroups) {
+ List<String> bindingTableList =
Splitter.on(",").trimResults().splitToList(each.toLowerCase());
+ TableRule sampleTableRule = null;
+ for (String bindingTable : bindingTableList) {
+ TableRule tableRule =
bindingTableRules.get(bindingTable).getTableRules().get(bindingTable);
+ if (null == sampleTableRule) {
+ sampleTableRule = tableRule;
+ } else {
+
checkSameActualDatasourceNamesAndActualTableIndex(sampleTableRule, tableRule,
each);
+ }
+ }
+ }
+ }
+
+ private void checkSameActualDatasourceNamesAndActualTableIndex(final
TableRule sampleTableRule, final TableRule tableRule, final String
bindingTableGroup) {
+ if
(!CollectionUtils.isEqualCollection(sampleTableRule.getActualDatasourceNames(),
tableRule.getActualDatasourceNames())) {
+ throw new ShardingSphereConfigurationException("The %s on
bindingTableGroup `%s` are inconsistent", "actualDatasourceNames",
bindingTableGroup);
+ }
+ checkSameAlgorithmOnDatabase(sampleTableRule, tableRule,
sampleTableRule.getActualDatasourceNames().stream().findFirst().get(),
bindingTableGroup);
+ for (String each : sampleTableRule.getActualDatasourceNames()) {
+ Collection<String> sampleActualTableNames =
sampleTableRule.getActualTableNames(each).stream().map(optional ->
substring(optional)[1])
+ .filter(optional ->
!optional.isEmpty()).collect(Collectors.toList());
+ Collection<String> actualTableNames =
tableRule.getActualTableNames(each).stream().map(optional ->
substring(optional)[1])
+ .filter(optional ->
!optional.isEmpty()).collect(Collectors.toList());
+ if (!CollectionUtils.isEqualCollection(sampleActualTableNames,
actualTableNames)) {
+ throw new ShardingSphereConfigurationException("The %s on
bindingTableGroup `%s` are inconsistent", "actualTableNames",
bindingTableGroup);
+ }
+ checkSameAlgorithmOnTable(sampleTableRule,
sampleTableRule.getActualTableNames(each).stream().findFirst().get(), tableRule,
+
tableRule.getActualTableNames(each).stream().findFirst().get(),
bindingTableGroup);
+ }
+ }
+
+ private void checkSameAlgorithmOnDatabase(final TableRule sampleTableRule,
final TableRule tableRule, final String dataSourceName,
+ final String bindingTableGroup) {
+ Collection<String[]> algorithmExpressions = new ArrayList<>();
+ String logicName = substring(dataSourceName)[0];
+ algorithmExpressions.add(new String[]
{getAlgorithmExpression(sampleTableRule, true), logicName,
getShardingColumn(sampleTableRule.getDatabaseShardingStrategyConfig())});
+ algorithmExpressions.add(new String[]
{getAlgorithmExpression(tableRule, true), logicName,
getShardingColumn(tableRule.getDatabaseShardingStrategyConfig())});
+ checkSameAlgorithmExpression(algorithmExpressions,
"databaseShardingStrategyConfig", bindingTableGroup);
+ }
+
+ private String getAlgorithmExpression(final TableRule tableRule, final
boolean databaseOrTable) {
+ if (null == tableRule.getDatabaseShardingStrategyConfig() || null ==
tableRule.getTableShardingStrategyConfig()) {
+ return "";
+ }
+ String shardingAlgorithmName = databaseOrTable ?
tableRule.getDatabaseShardingStrategyConfig().getShardingAlgorithmName()
+ :
tableRule.getTableShardingStrategyConfig().getShardingAlgorithmName();
+ ShardingAlgorithm shardingAlgorithm =
shardingAlgorithms.get(shardingAlgorithmName);
+ return null == shardingAlgorithm ? "" :
checkWithDefaultValue(shardingAlgorithm.getProps().getProperty("algorithm-expression"),
"");
+ }
+
+ private String checkWithDefaultValue(final String str, final String
defaultValue) {
Review comment:
OK, it's better
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