terrymanu commented on a change in pull request #4826: issue-4785: Check
uniformed with all actual tables' meta data in once when loading them
URL:
https://github.com/apache/incubator-shardingsphere/pull/4826#discussion_r394330227
##########
File path:
sharding-core/sharding-core-common/src/main/java/org/apache/shardingsphere/core/metadata/ShardingMetaDataLoader.java
##########
@@ -103,17 +104,25 @@ private SchemaMetaData loadDefaultSchemaMetaData()
throws SQLException {
return actualDefaultDataSourceName.isPresent()
?
SchemaMetaDataLoader.load(dataSourceMap.get(actualDefaultDataSourceName.get()),
maxConnectionsSizePerQuery) : new SchemaMetaData(Collections.emptyMap());
}
-
- // TODO check all meta data in once
+
private void checkUniformed(final String logicTableName, final Map<String,
TableMetaData> actualTableMetaDataMap) {
ShardingTableMetaDataDecorator decorator = new
ShardingTableMetaDataDecorator();
TableMetaData sample =
decorator.decorate(actualTableMetaDataMap.values().iterator().next(),
logicTableName, shardingRule);
+ List<TableMetaDataViolation> metaDataViolationList = new
LinkedList<>();
for (Entry<String, TableMetaData> entry :
actualTableMetaDataMap.entrySet()) {
- if (!sample.equals(decorator.decorate(entry.getValue(),
logicTableName, shardingRule))) {
- throw new ShardingSphereException(
- "Cannot get uniformed table structure for logic table
`%s` and actual table `%s`. The different meta data of actual tables are as
follows:\n%s\n%s.",
- logicTableName, entry.getKey(), sample,
entry.getValue());
+ TableMetaData entryValue = entry.getValue();
+ if (!sample.equals(decorator.decorate(entryValue, logicTableName,
shardingRule))) {
+ metaDataViolationList.add(new
TableMetaDataViolation(entry.getKey(), entryValue));
+ }
+ }
+ if (!metaDataViolationList.isEmpty()) {
+ StringBuilder exceptionMessageBuilder = new StringBuilder("Cannot
get uniformed table structure for logic table `%s`"
+ + ",it has different meta data of actual tables are as
follows:");
Review comment:
It is better to add a space after symbol, such as `,` and `:`
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