Extract subquery context for encrypt predicate rewrite and refactor s…

…ubquery type to SelectStatement
apache · Nov 18, 2024 · 5819b41 · 5819b41
1 parent 5a85a20
commit 5819b41
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Showing 28 changed files with 383 additions and 116 deletions.
diff --git a/.../shardingsphere/encrypt/checker/sql/predicate/EncryptPredicateColumnSupportedChecker.java b/.../shardingsphere/encrypt/checker/sql/predicate/EncryptPredicateColumnSupportedChecker.java
@@ -19,10 +19,12 @@
 
 import org.apache.shardingsphere.encrypt.exception.metadata.MissingMatchedEncryptQueryAlgorithmException;
 import org.apache.shardingsphere.encrypt.rewrite.token.comparator.JoinConditionsEncryptorComparator;
+import org.apache.shardingsphere.encrypt.rewrite.util.EncryptPredicateSegmentUtils;
 import org.apache.shardingsphere.encrypt.rule.EncryptRule;
 import org.apache.shardingsphere.encrypt.rule.table.EncryptTable;
 import org.apache.shardingsphere.infra.annotation.HighFrequencyInvocation;
 import org.apache.shardingsphere.infra.binder.context.statement.SQLStatementContext;
+import org.apache.shardingsphere.infra.binder.context.statement.dml.SelectStatementContext;
 import org.apache.shardingsphere.infra.binder.context.type.TableAvailable;
 import org.apache.shardingsphere.infra.binder.context.type.WhereAvailable;
 import org.apache.shardingsphere.infra.checker.SupportedSQLChecker;
@@ -53,7 +55,9 @@ public boolean isCheck(final SQLStatementContext sqlStatementContext) {
 
     @Override
     public void check(final EncryptRule rule, final ShardingSphereSchema schema, final SQLStatementContext sqlStatementContext) {
-        ShardingSpherePreconditions.checkState(JoinConditionsEncryptorComparator.isSame(((WhereAvailable) sqlStatementContext).getJoinConditions(), rule),
+        Collection<SelectStatementContext> allSubqueryContexts = EncryptPredicateSegmentUtils.getAllSubqueryContexts(sqlStatementContext);
+        Collection<BinaryOperationExpression> joinConditions = EncryptPredicateSegmentUtils.getJoinConditions((WhereAvailable) sqlStatementContext, allSubqueryContexts);
+        ShardingSpherePreconditions.checkState(JoinConditionsEncryptorComparator.isSame(joinConditions, rule),
                 () -> new UnsupportedSQLOperationException("Can not use different encryptor in join condition"));
         check(rule, schema, (WhereAvailable) sqlStatementContext);
     }

diff --git a/.../org/apache/shardingsphere/encrypt/rewrite/context/EncryptSQLRewriteContextDecorator.java b/.../org/apache/shardingsphere/encrypt/rewrite/context/EncryptSQLRewriteContextDecorator.java
@@ -22,10 +22,12 @@
 import org.apache.shardingsphere.encrypt.rewrite.condition.EncryptConditionEngine;
 import org.apache.shardingsphere.encrypt.rewrite.parameter.EncryptParameterRewritersRegistry;
 import org.apache.shardingsphere.encrypt.rewrite.token.EncryptTokenGenerateBuilder;
+import org.apache.shardingsphere.encrypt.rewrite.util.EncryptPredicateSegmentUtils;
 import org.apache.shardingsphere.encrypt.rule.EncryptRule;
 import org.apache.shardingsphere.infra.annotation.HighFrequencyInvocation;
 import org.apache.shardingsphere.infra.binder.context.statement.SQLStatementContext;
 import org.apache.shardingsphere.infra.binder.context.statement.dml.InsertStatementContext;
+import org.apache.shardingsphere.infra.binder.context.statement.dml.SelectStatementContext;
 import org.apache.shardingsphere.infra.binder.context.type.TableAvailable;
 import org.apache.shardingsphere.infra.binder.context.type.WhereAvailable;
 import org.apache.shardingsphere.infra.config.props.ConfigurationProperties;
@@ -88,8 +90,9 @@ private Collection<EncryptCondition> doCreateEncryptConditions(final EncryptRule
         if (!(sqlStatementContext instanceof WhereAvailable)) {
             return Collections.emptyList();
         }
-        Collection<WhereSegment> whereSegments = ((WhereAvailable) sqlStatementContext).getWhereSegments();
-        Collection<ColumnSegment> columnSegments = ((WhereAvailable) sqlStatementContext).getColumnSegments();
+        Collection<SelectStatementContext> allSubqueryContexts = EncryptPredicateSegmentUtils.getAllSubqueryContexts(sqlStatementContext);
+        Collection<WhereSegment> whereSegments = EncryptPredicateSegmentUtils.getWhereSegments((WhereAvailable) sqlStatementContext, allSubqueryContexts);
+        Collection<ColumnSegment> columnSegments = EncryptPredicateSegmentUtils.getColumnSegments((WhereAvailable) sqlStatementContext, allSubqueryContexts);
         return new EncryptConditionEngine(rule, sqlRewriteContext.getDatabase().getSchemas()).createEncryptConditions(whereSegments, columnSegments, sqlStatementContext,
                 sqlRewriteContext.getDatabase().getName());
     }

diff --git a/.../shardingsphere/encrypt/rewrite/parameter/rewriter/EncryptPredicateParameterRewriter.java b/.../shardingsphere/encrypt/rewrite/parameter/rewriter/EncryptPredicateParameterRewriter.java
@@ -25,6 +25,8 @@
 import org.apache.shardingsphere.encrypt.rule.column.EncryptColumn;
 import org.apache.shardingsphere.encrypt.rule.table.EncryptTable;
 import org.apache.shardingsphere.infra.binder.context.statement.SQLStatementContext;
+import org.apache.shardingsphere.infra.binder.context.statement.dml.InsertStatementContext;
+import org.apache.shardingsphere.infra.binder.context.statement.dml.SelectStatementContext;
 import org.apache.shardingsphere.infra.binder.context.type.TableAvailable;
 import org.apache.shardingsphere.infra.binder.context.type.WhereAvailable;
 import org.apache.shardingsphere.infra.database.core.type.DatabaseTypeRegistry;
@@ -51,7 +53,25 @@ public final class EncryptPredicateParameterRewriter implements ParameterRewrite
 
     @Override
     public boolean isNeedRewrite(final SQLStatementContext sqlStatementContext) {
-        return sqlStatementContext instanceof WhereAvailable && !((WhereAvailable) sqlStatementContext).getWhereSegments().isEmpty();
+        if (sqlStatementContext instanceof WhereAvailable && !((WhereAvailable) sqlStatementContext).getWhereSegments().isEmpty()) {
+            return true;
+        }
+        if (sqlStatementContext instanceof SelectStatementContext) {
+            return isSubqueryNeedRewrite((SelectStatementContext) sqlStatementContext);
+        }
+        if (sqlStatementContext instanceof InsertStatementContext && null != ((InsertStatementContext) sqlStatementContext).getInsertSelectContext()) {
+            return isSubqueryNeedRewrite(((InsertStatementContext) sqlStatementContext).getInsertSelectContext().getSelectStatementContext());
+        }
+        return false;
+    }
+
+    private boolean isSubqueryNeedRewrite(final SelectStatementContext selectStatementContext) {
+        for (SelectStatementContext each : selectStatementContext.getSubqueryContexts().values()) {
+            if (isNeedRewrite(each)) {
+                return true;
+            }
+        }
+        return false;
     }
 
     @Override

diff --git a/...phere/encrypt/rewrite/token/generator/predicate/EncryptPredicateColumnTokenGenerator.java b/...phere/encrypt/rewrite/token/generator/predicate/EncryptPredicateColumnTokenGenerator.java
@@ -20,6 +20,7 @@
 import com.google.common.base.Preconditions;
 import lombok.RequiredArgsConstructor;
 import lombok.Setter;
+import org.apache.shardingsphere.encrypt.rewrite.util.EncryptPredicateSegmentUtils;
 import org.apache.shardingsphere.encrypt.rule.EncryptRule;
 import org.apache.shardingsphere.encrypt.rule.column.EncryptColumn;
 import org.apache.shardingsphere.encrypt.rule.column.item.LikeQueryColumnItem;
@@ -28,6 +29,7 @@
 import org.apache.shardingsphere.infra.binder.context.segment.select.projection.Projection;
 import org.apache.shardingsphere.infra.binder.context.segment.select.projection.impl.ColumnProjection;
 import org.apache.shardingsphere.infra.binder.context.statement.SQLStatementContext;
+import org.apache.shardingsphere.infra.binder.context.statement.dml.SelectStatementContext;
 import org.apache.shardingsphere.infra.binder.context.type.TableAvailable;
 import org.apache.shardingsphere.infra.binder.context.type.WhereAvailable;
 import org.apache.shardingsphere.infra.database.core.metadata.database.enums.QuoteCharacter;
@@ -72,8 +74,9 @@ public boolean isGenerateSQLToken(final SQLStatementContext sqlStatementContext)
 
     @Override
     public Collection<SQLToken> generateSQLTokens(final SQLStatementContext sqlStatementContext) {
-        Collection<ColumnSegment> columnSegments = ((WhereAvailable) sqlStatementContext).getColumnSegments();
-        Collection<WhereSegment> whereSegments = ((WhereAvailable) sqlStatementContext).getWhereSegments();
+        Collection<SelectStatementContext> allSubqueryContexts = EncryptPredicateSegmentUtils.getAllSubqueryContexts(sqlStatementContext);
+        Collection<WhereSegment> whereSegments = EncryptPredicateSegmentUtils.getWhereSegments((WhereAvailable) sqlStatementContext, allSubqueryContexts);
+        Collection<ColumnSegment> columnSegments = EncryptPredicateSegmentUtils.getColumnSegments((WhereAvailable) sqlStatementContext, allSubqueryContexts);
         ShardingSphereSchema schema = ((TableAvailable) sqlStatementContext).getTablesContext().getSchemaName().map(schemas::get).orElseGet(() -> defaultSchema);
         Map<String, String> columnExpressionTableNames = ((TableAvailable) sqlStatementContext).getTablesContext().findTableNames(columnSegments, schema);
         return generateSQLTokens(columnSegments, columnExpressionTableNames, whereSegments, sqlStatementContext.getDatabaseType());