Revert "Issue apache#32280/ bug fix: WHERE segment with ON CONFLICT s…

…egment in INSE…" (#3)

This reverts commit ed4a82e.

RELEASE-NOTES.md

@@ -99,7 +99,6 @@
 1. Encrypt: Use sql bind info in EncryptInsertPredicateColumnTokenGenerator to avoid wrong column table mapping - [#34110](https://github.com/apache/shardingsphere/pull/34110)
 1. Mode: Fixes `JDBCRepository` improper handling of H2-database in memory mode - [#33281](https://github.com/apache/shardingsphere/issues/33281)
 1. Mode: Fixes duplicate column names added when index changed in DDL - [#33982](https://github.com/apache/shardingsphere/issues/33281)
-1. SQL Binder:  Fixes bug: throwing exception while using WHERE statement in ON CONFLICT with INSERT INTO in Postgres [#32280](https://github.com/apache/shardingsphere/issues/32280)
 
 ### Change Logs
 

infra/binder/src/main/java/org/apache/shardingsphere/infra/binder/context/statement/dml/InsertStatementContext.java

@@ -25,7 +25,6 @@
 import org.apache.shardingsphere.infra.binder.context.segment.insert.values.InsertSelectContext;
 import org.apache.shardingsphere.infra.binder.context.segment.insert.values.InsertValueContext;
 import org.apache.shardingsphere.infra.binder.context.segment.insert.values.OnDuplicateUpdateContext;
-import org.apache.shardingsphere.infra.binder.context.segment.insert.values.OnConflictUpdateContext;
 import org.apache.shardingsphere.infra.binder.context.segment.table.TablesContext;
 import org.apache.shardingsphere.infra.binder.context.statement.CommonSQLStatementContext;
 import org.apache.shardingsphere.infra.binder.context.type.TableAvailable;
@@ -44,7 +43,6 @@
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.assignment.InsertValuesSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.assignment.SetAssignmentSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.ColumnSegment;
-import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.OnConflictKeyColumnsSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.OnDuplicateKeyColumnsSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.combine.CombineSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.BinaryOperationExpression;
@@ -54,7 +52,6 @@
 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.WithSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.SimpleTableSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.statement.dml.InsertStatement;
-import org.apache.shardingsphere.sql.parser.statement.core.extractor.TableExtractor;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -95,9 +92,6 @@ public final class InsertStatementContext extends CommonSQLStatementContext impl
     @Getter
     private OnDuplicateUpdateContext onDuplicateKeyUpdateValueContext;
 
-    @Getter
-    private OnConflictUpdateContext onConflictKeyUpdateValueContext;
-
     private GeneratedKeyContext generatedKeyContext;
 
     public InsertStatementContext(final ShardingSphereMetaData metaData, final List<Object> params, final InsertStatement sqlStatement, final String currentDatabaseName) {
@@ -185,18 +179,6 @@ private Optional<OnDuplicateUpdateContext> getOnDuplicateKeyUpdateValueContext(f
         return Optional.of(onDuplicateUpdateContext);
     }
 
-    private Optional<OnConflictUpdateContext> getOnConflictKeyUpdateValueContext(final List<Object> params, final AtomicInteger parametersOffset) {
-        Optional<OnConflictKeyColumnsSegment> onConflictKeyColumnsSegment = getSqlStatement().getOnConflictKeyColumns();
-        if (!onConflictKeyColumnsSegment.isPresent()) {
-            return Optional.empty();
-        }
-        Collection<ColumnAssignmentSegment> onConflictKeyColumns = onConflictKeyColumnsSegment.get().getColumns();
-        Optional<WhereSegment> whereSegment = getSqlStatement().getOnConflictKeyColumns().flatMap(OnConflictKeyColumnsSegment::getWhere);
-        OnConflictUpdateContext onConflictUpdateContext = new OnConflictUpdateContext(onConflictKeyColumns, params, parametersOffset.get(), whereSegment);
-        parametersOffset.addAndGet(onConflictUpdateContext.getParameterCount());
-        return Optional.of(onConflictUpdateContext);
-    }
-
     private Collection<SimpleTableSegment> getAllSimpleTableSegments() {
         TableExtractor tableExtractor = new TableExtractor();
         tableExtractor.extractTablesFromInsert(getSqlStatement());
@@ -246,15 +228,6 @@ public List<Object> getOnDuplicateKeyUpdateParameters() {
         return null == onDuplicateKeyUpdateValueContext ? new ArrayList<>() : onDuplicateKeyUpdateValueContext.getParameters();
     }
 
-    /**
-     * Get on duplicate key update parameters.
-     *
-     * @return on duplicate key update parameters
-     */
-    public List<Object> getOnConflictKeyUpdateParameters() {
-        return null == onConflictKeyUpdateValueContext ? new ArrayList<>() : onConflictKeyUpdateValueContext.getParameters();
-    }
-
     /**
      * Get generated key context.
      *
@@ -342,7 +315,6 @@ public void setUpParameters(final List<Object> params) {
         insertValueContexts = getInsertValueContexts(params, parametersOffset, valueExpressions);
         insertSelectContext = getInsertSelectContext(metaData, params, parametersOffset, currentDatabaseName).orElse(null);
         onDuplicateKeyUpdateValueContext = getOnDuplicateKeyUpdateValueContext(params, parametersOffset).orElse(null);
-        onConflictKeyUpdateValueContext = getOnConflictKeyUpdateValueContext(params, parametersOffset).orElse(null);
         ShardingSphereSchema schema = getSchema(metaData, currentDatabaseName);
         generatedKeyContext = new GeneratedKeyContextEngine(getSqlStatement(), schema).createGenerateKeyContext(insertColumnNamesAndIndexes, insertValueContexts, params).orElse(null);
     }

infra/binder/src/main/java/org/apache/shardingsphere/infra/binder/engine/statement/dml/InsertStatementBinder.java

@@ -32,7 +32,6 @@
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.ColumnProjectionSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.ProjectionSegment;
 import org.apache.shardingsphere.sql.parser.statement.core.statement.dml.InsertStatement;
-import org.apache.shardingsphere.sql.parser.statement.postgresql.dml.PostgreSQLInsertStatement;
 
 import java.util.Collection;
 import java.util.stream.Collectors;
@@ -64,12 +63,6 @@ private InsertStatement copy(final InsertStatement sqlStatement) {
         result.getValues().addAll(sqlStatement.getValues());
         sqlStatement.getSetAssignment().ifPresent(result::setSetAssignment);
         sqlStatement.getOnDuplicateKeyColumns().ifPresent(result::setOnDuplicateKeyColumns);
-        sqlStatement.getOnConflictKeyColumns().ifPresent(segment -> {
-            if (result instanceof PostgreSQLInsertStatement) {
-                ((PostgreSQLInsertStatement) result).setOnConflictKeyColumnsSegment(segment);
-            }
-        });
-        sqlStatement.getWithSegment().ifPresent(result::setWithSegment);
         sqlStatement.getOutputSegment().ifPresent(result::setOutputSegment);
         sqlStatement.getMultiTableInsertType().ifPresent(result::setMultiTableInsertType);
         sqlStatement.getMultiTableInsertIntoSegment().ifPresent(result::setMultiTableInsertIntoSegment);