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new c69c729a49e Add SQLFederationUnsupportedSQLException to handle some
case that sql federation not support now (#30492)
c69c729a49e is described below
commit c69c729a49ecbd7543fe5e223c5a35e48a1bd4a7
Author: Zhengqiang Duan <[email protected]>
AuthorDate: Fri Mar 15 09:47:24 2024 +0800
Add SQLFederationUnsupportedSQLException to handle some case that sql
federation not support now (#30492)
* Add SQLFederationUnsupportedSQLException to handle some case that sql
federation not support now
* fix unit test
* Revert MySQLStatement.g4 change
---
.../sqlfederation/engine/SQLFederationEngine.java | 20 +++++++++++++++-----
.../resultset/SQLFederationResultSet.java | 2 +-
.../optimizer/converter/SQLNodeConverterEngine.java | 2 +-
...Exception.java => SQLFederationSQLException.java} | 17 +++++++++--------
.../OptimizationSQLNodeConvertException.java | 8 ++++----
.../SQLFederationUnsupportedSQLException.java} | 15 +++++++--------
.../sql/parser/autogen/MySQLStatement.g4 | 1 +
.../mysql/visitor/format/MySQLFormatVisitorIT.java | 3 ++-
.../main/resources/sql/unsupported/unsupported.xml | 12 +++++++-----
9 files changed, 47 insertions(+), 33 deletions(-)
diff --git
a/kernel/sql-federation/core/src/main/java/org/apache/shardingsphere/sqlfederation/engine/SQLFederationEngine.java
b/kernel/sql-federation/core/src/main/java/org/apache/shardingsphere/sqlfederation/engine/SQLFederationEngine.java
index 624b07c19f9..2215722a1ed 100644
---
a/kernel/sql-federation/core/src/main/java/org/apache/shardingsphere/sqlfederation/engine/SQLFederationEngine.java
+++
b/kernel/sql-federation/core/src/main/java/org/apache/shardingsphere/sqlfederation/engine/SQLFederationEngine.java
@@ -18,6 +18,7 @@
package org.apache.shardingsphere.sqlfederation.engine;
import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
import org.apache.calcite.adapter.enumerable.EnumerableInterpretable;
import org.apache.calcite.adapter.enumerable.EnumerableRel;
import org.apache.calcite.linq4j.Enumerator;
@@ -52,6 +53,7 @@ import
org.apache.shardingsphere.sqlfederation.optimizer.SQLFederationCompilerEn
import
org.apache.shardingsphere.sqlfederation.optimizer.SQLFederationExecutionPlan;
import
org.apache.shardingsphere.sqlfederation.optimizer.context.OptimizerContext;
import
org.apache.shardingsphere.sqlfederation.optimizer.context.planner.OptimizerPlannerContext;
+import
org.apache.shardingsphere.sqlfederation.optimizer.exception.syntax.SQLFederationUnsupportedSQLException;
import
org.apache.shardingsphere.sqlfederation.optimizer.metadata.schema.SQLFederationTable;
import
org.apache.shardingsphere.sqlfederation.optimizer.planner.cache.ExecutionPlanCacheKey;
import
org.apache.shardingsphere.sqlfederation.optimizer.statement.SQLStatementCompiler;
@@ -73,6 +75,7 @@ import java.util.Map.Entry;
/**
* SQL federation engine.
*/
+@Slf4j
@Getter
public final class SQLFederationEngine implements AutoCloseable {
@@ -155,14 +158,21 @@ public final class SQLFederationEngine implements
AutoCloseable {
* @param callback callback
* @param federationContext federation context
* @return result set
+ * @throws SQLFederationUnsupportedSQLException SQL federation unsupported
SQL exception
*/
public ResultSet executeQuery(final
DriverExecutionPrepareEngine<JDBCExecutionUnit, Connection> prepareEngine,
final JDBCExecutorCallback<? extends
ExecuteResult> callback, final SQLFederationExecutorContext federationContext) {
- String databaseName =
federationContext.getQueryContext().getDatabaseNameFromSQLStatement().orElse(this.databaseName);
- String schemaName =
federationContext.getQueryContext().getSchemaNameFromSQLStatement().orElse(this.schemaName);
- SQLFederationExecutionPlan executionPlan = compileQuery(prepareEngine,
callback, federationContext, databaseName, schemaName);
- resultSet = executePlan(federationContext, executionPlan,
databaseName, schemaName);
- return resultSet;
+ try {
+ String databaseName =
federationContext.getQueryContext().getDatabaseNameFromSQLStatement().orElse(this.databaseName);
+ String schemaName =
federationContext.getQueryContext().getSchemaNameFromSQLStatement().orElse(this.schemaName);
+ SQLFederationExecutionPlan executionPlan =
compileQuery(prepareEngine, callback, federationContext, databaseName,
schemaName);
+ resultSet = executePlan(federationContext, executionPlan,
databaseName, schemaName);
+ return resultSet;
+ // CHECKSTYLE:OFF
+ } catch (final Exception ex) {
+ // CHECKSTYLE:ON
+ throw new
SQLFederationUnsupportedSQLException(federationContext.getQueryContext().getSql());
+ }
}
private SQLFederationExecutionPlan compileQuery(final
DriverExecutionPrepareEngine<JDBCExecutionUnit, Connection> prepareEngine,
diff --git
a/kernel/sql-federation/core/src/main/java/org/apache/shardingsphere/sqlfederation/resultset/SQLFederationResultSet.java
b/kernel/sql-federation/core/src/main/java/org/apache/shardingsphere/sqlfederation/resultset/SQLFederationResultSet.java
index 5150215b8a7..84b2fedab14 100644
---
a/kernel/sql-federation/core/src/main/java/org/apache/shardingsphere/sqlfederation/resultset/SQLFederationResultSet.java
+++
b/kernel/sql-federation/core/src/main/java/org/apache/shardingsphere/sqlfederation/resultset/SQLFederationResultSet.java
@@ -97,7 +97,7 @@ public final class SQLFederationResultSet extends
AbstractUnsupportedOperationRe
@Override
public boolean next() {
boolean result = enumerator.moveNext();
- if (result) {
+ if (result && null != enumerator.current()) {
currentRows = enumerator.current().getClass().isArray() ?
(Object[]) enumerator.current() : new Object[]{enumerator.current()};
} else {
currentRows = new Object[]{};
diff --git
a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/converter/SQLNodeConverterEngine.java
b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/converter/SQLNodeConverterEngine.java
index 4c3c13aeb74..30ce7e05e02 100644
---
a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/converter/SQLNodeConverterEngine.java
+++
b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/converter/SQLNodeConverterEngine.java
@@ -35,7 +35,7 @@ import
org.apache.shardingsphere.sqlfederation.optimizer.converter.statement.ins
import
org.apache.shardingsphere.sqlfederation.optimizer.converter.statement.merge.MergeStatementConverter;
import
org.apache.shardingsphere.sqlfederation.optimizer.converter.statement.select.SelectStatementConverter;
import
org.apache.shardingsphere.sqlfederation.optimizer.converter.statement.update.UpdateStatementConverter;
-import
org.apache.shardingsphere.sqlfederation.optimizer.exception.OptimizationSQLNodeConvertException;
+import
org.apache.shardingsphere.sqlfederation.optimizer.exception.convert.OptimizationSQLNodeConvertException;
import java.util.Optional;
diff --git
a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/OptimizationSQLNodeConvertException.java
b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/SQLFederationSQLException.java
similarity index 64%
copy from
kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/OptimizationSQLNodeConvertException.java
copy to
kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/SQLFederationSQLException.java
index 3a63eeeb523..60cbd8bbe0e 100644
---
a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/OptimizationSQLNodeConvertException.java
+++
b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/SQLFederationSQLException.java
@@ -17,18 +17,19 @@
package org.apache.shardingsphere.sqlfederation.optimizer.exception;
-import
org.apache.shardingsphere.infra.exception.core.external.sql.sqlstate.XOpenSQLState;
-import
org.apache.shardingsphere.infra.exception.core.external.sql.type.kernel.category.MetaDataSQLException;
-import org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement;
+import
org.apache.shardingsphere.infra.exception.core.external.sql.sqlstate.SQLState;
+import
org.apache.shardingsphere.infra.exception.core.external.sql.type.feature.FeatureSQLException;
/**
- * Optimization SQL node convert exception.
+ * SQL federation SQL exception.
*/
-public final class OptimizationSQLNodeConvertException extends
MetaDataSQLException {
+public abstract class SQLFederationSQLException extends FeatureSQLException {
- private static final long serialVersionUID = -5486229929620713984L;
+ private static final long serialVersionUID = 4689889693356895996L;
- public OptimizationSQLNodeConvertException(final SQLStatement statement) {
- super(XOpenSQLState.SYNTAX_ERROR, 4, "Unsupported SQL node conversion
for SQL statement `%s`.", statement.toString());
+ private static final int FEATURE_CODE = 20;
+
+ protected SQLFederationSQLException(final SQLState sqlState, final int
errorCode, final String reason, final Object... messageArgs) {
+ super(sqlState, FEATURE_CODE, errorCode, reason, messageArgs);
}
}
diff --git
a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/OptimizationSQLNodeConvertException.java
b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/convert/OptimizationSQLNodeConvertException.java
similarity index 82%
copy from
kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/OptimizationSQLNodeConvertException.java
copy to
kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/convert/OptimizationSQLNodeConvertException.java
index 3a63eeeb523..dc20e3fab6b 100644
---
a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/OptimizationSQLNodeConvertException.java
+++
b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/convert/OptimizationSQLNodeConvertException.java
@@ -15,18 +15,18 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.sqlfederation.optimizer.exception;
+package org.apache.shardingsphere.sqlfederation.optimizer.exception.convert;
import
org.apache.shardingsphere.infra.exception.core.external.sql.sqlstate.XOpenSQLState;
-import
org.apache.shardingsphere.infra.exception.core.external.sql.type.kernel.category.MetaDataSQLException;
import org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement;
+import
org.apache.shardingsphere.sqlfederation.optimizer.exception.SQLFederationSQLException;
/**
* Optimization SQL node convert exception.
*/
-public final class OptimizationSQLNodeConvertException extends
MetaDataSQLException {
+public final class OptimizationSQLNodeConvertException extends
SQLFederationSQLException {
- private static final long serialVersionUID = -5486229929620713984L;
+ private static final long serialVersionUID = 7115939407266382363L;
public OptimizationSQLNodeConvertException(final SQLStatement statement) {
super(XOpenSQLState.SYNTAX_ERROR, 4, "Unsupported SQL node conversion
for SQL statement `%s`.", statement.toString());
diff --git
a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/OptimizationSQLNodeConvertException.java
b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/syntax/SQLFederationUnsupportedSQLException.java
similarity index 62%
rename from
kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/OptimizationSQLNodeConvertException.java
rename to
kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/syntax/SQLFederationUnsupportedSQLException.java
index 3a63eeeb523..ae5620c6fa9 100644
---
a/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/OptimizationSQLNodeConvertException.java
+++
b/kernel/sql-federation/optimizer/src/main/java/org/apache/shardingsphere/sqlfederation/optimizer/exception/syntax/SQLFederationUnsupportedSQLException.java
@@ -15,20 +15,19 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.sqlfederation.optimizer.exception;
+package org.apache.shardingsphere.sqlfederation.optimizer.exception.syntax;
import
org.apache.shardingsphere.infra.exception.core.external.sql.sqlstate.XOpenSQLState;
-import
org.apache.shardingsphere.infra.exception.core.external.sql.type.kernel.category.MetaDataSQLException;
-import org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement;
+import
org.apache.shardingsphere.sqlfederation.optimizer.exception.SQLFederationSQLException;
/**
- * Optimization SQL node convert exception.
+ * SQL federation unsupported SQL exception.
*/
-public final class OptimizationSQLNodeConvertException extends
MetaDataSQLException {
+public final class SQLFederationUnsupportedSQLException extends
SQLFederationSQLException {
- private static final long serialVersionUID = -5486229929620713984L;
+ private static final long serialVersionUID = -8571244162760408846L;
- public OptimizationSQLNodeConvertException(final SQLStatement statement) {
- super(XOpenSQLState.SYNTAX_ERROR, 4, "Unsupported SQL node conversion
for SQL statement `%s`.", statement.toString());
+ public SQLFederationUnsupportedSQLException(final String sql) {
+ super(XOpenSQLState.SYNTAX_ERROR, 41, "SQL federation doesn't support
SQL %s execution.", sql);
}
}
diff --git
a/parser/sql/dialect/mysql/src/main/antlr4/org/apache/shardingsphere/sql/parser/autogen/MySQLStatement.g4
b/parser/sql/dialect/mysql/src/main/antlr4/org/apache/shardingsphere/sql/parser/autogen/MySQLStatement.g4
index 78327eff296..e1c293fc99e 100644
---
a/parser/sql/dialect/mysql/src/main/antlr4/org/apache/shardingsphere/sql/parser/autogen/MySQLStatement.g4
+++
b/parser/sql/dialect/mysql/src/main/antlr4/org/apache/shardingsphere/sql/parser/autogen/MySQLStatement.g4
@@ -126,6 +126,7 @@ execute
| alterTablespace
| dropTablespace
| delimiter
+ // TODO consider refactor following sytax to SEMI_? EOF
) (SEMI_ EOF? | EOF)
| EOF
;
diff --git
a/parser/sql/dialect/mysql/src/test/java/org/apache/shardingsphere/sql/parser/mysql/visitor/format/MySQLFormatVisitorIT.java
b/parser/sql/dialect/mysql/src/test/java/org/apache/shardingsphere/sql/parser/mysql/visitor/format/MySQLFormatVisitorIT.java
index cb3b9e4ae80..1265a6a90bf 100644
---
a/parser/sql/dialect/mysql/src/test/java/org/apache/shardingsphere/sql/parser/mysql/visitor/format/MySQLFormatVisitorIT.java
+++
b/parser/sql/dialect/mysql/src/test/java/org/apache/shardingsphere/sql/parser/mysql/visitor/format/MySQLFormatVisitorIT.java
@@ -112,7 +112,8 @@ class MySQLFormatVisitorIT {
"INSERT INTO t_order (order_id, user_id, status)
SELECT order_id, user_id, status FROM t_order WHERE order_id = 1",
"INSERT INTO t_order (order_id , user_id ,
status) \nSELECT order_id , user_id , status \nFROM t_order\nWHERE \n\torder_id
= 1;",
"INSERT INTO t_order (order_id , user_id ,
status) \nSELECT order_id , user_id , status \nFROM t_order\nWHERE \n\torder_id
= ?;"),
- Arguments.of("only_comment", "/* c_zz_xdba_test_4 login
*/", "", ""),
+ // TODO fix only comment parse
+ // Arguments.of("only_comment", "/* c_zz_xdba_test_4 login
*/", "", ""),
Arguments.of("select_with_Variable",
"SELECT @@SESSION.auto_increment_increment AS
auto_increment_increment, @@character_set_client AS character_set_client, "
+ "@@character_set_connection AS
character_set_connection, @@character_set_results AS character_set_results,
@@character_set_server AS character_set_server, "
diff --git a/test/it/parser/src/main/resources/sql/unsupported/unsupported.xml
b/test/it/parser/src/main/resources/sql/unsupported/unsupported.xml
index 68b0d8af659..d9f55d822d7 100644
--- a/test/it/parser/src/main/resources/sql/unsupported/unsupported.xml
+++ b/test/it/parser/src/main/resources/sql/unsupported/unsupported.xml
@@ -319,9 +319,11 @@
<sql-case id="unsupported_select_case_for_opengauss_578" value="select
string_agg(name, #) from table_test;" db-types="openGauss" />
<sql-case id="unsupported_select_case_for_opengauss_579" value="select
bool_or(array[1.1,2.1,3.1]::int[] =[1,2,3]);" db-types="openGauss" />
<sql-case id="unsupported_select_case_for_opengauss_580" value="select
bool_or(@);" db-types="openGauss" />
- <sql-case id="assertDistSQLShowRuleParseConflict" value="SHOW
READWRITE_SPLITTING RULE FROM schema_name" db-types="PostgreSQL,openGauss" />
- <sql-case id="assertDistSQLRollbackMigration" value="ROLLBACK MIGRATION
10102p0000697d5ccb2e3d960d0gif75c7c7f486fal"
db-types="MySQL,PostgreSQL,openGauss,Oracle" />
- <sql-case id="assertShowDatabasesParseConflict" value="SHOW DATABASES"
db-types="Oracle" />
- <sql-case id="assertShowSchemasParseConflict" value="SHOW SCHEMAS"
db-types="Oracle" />
- <sql-case id="assertShowTablesParseConflict" value="SHOW TABLES"
db-types="Oracle" />
+ <sql-case id="assert_distsql_show_rule_parse_conflict" value="SHOW
READWRITE_SPLITTING RULE FROM schema_name" db-types="PostgreSQL,openGauss" />
+ <sql-case id="assert_distsql_rollback_migration" value="ROLLBACK MIGRATION
10102p0000697d5ccb2e3d960d0gif75c7c7f486fal"
db-types="MySQL,PostgreSQL,openGauss,Oracle" />
+ <sql-case id="assert_show_databases_parse_conflict" value="SHOW DATABASES"
db-types="Oracle" />
+ <sql-case id="assert_show_schemas_parse_conflict" value="SHOW SCHEMAS"
db-types="Oracle" />
+ <sql-case id="assert_show_tables_parse_conflict" value="SHOW TABLES"
db-types="Oracle" />
+ <!-- TODO open this case when MySQLStatement change to SEMI_? EOF -->
+ <!-- <sql-case id="assert_parse_multi_statements" value="SHOW VARIABLES
LIKE 'sql_mode'; SELECT COUNT(*) AS support_ndb FROM information_schema;"
db-types="MySQL" />-->
</sql-cases>
