Examples with OracleAnalyticWindowing com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleAnalyticWindowing used on opensource projects

Example 1 with OracleAnalyticWindowing

use of com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleAnalyticWindowing in project druid by alibaba.

the class OracleExprParser method parseAggregateExpr.

protected SQLAggregateExpr parseAggregateExpr(String methodName) {
    methodName = methodName.toUpperCase();
    SQLAggregateExpr aggregateExpr;
    if (lexer.token() == Token.UNIQUE) {
        aggregateExpr = new SQLAggregateExpr(methodName, SQLAggregateOption.UNIQUE);
        lexer.nextToken();
    } else if (lexer.token() == (Token.ALL)) {
        aggregateExpr = new SQLAggregateExpr(methodName, SQLAggregateOption.ALL);
        lexer.nextToken();
    } else if (lexer.token() == (Token.DISTINCT)) {
        aggregateExpr = new SQLAggregateExpr(methodName, SQLAggregateOption.DISTINCT);
        lexer.nextToken();
    } else {
        aggregateExpr = new SQLAggregateExpr(methodName);
    }
    exprList(aggregateExpr.getArguments(), aggregateExpr);
    if (lexer.stringVal().equalsIgnoreCase("IGNORE")) {
        lexer.nextToken();
        identifierEquals("NULLS");
        aggregateExpr.setIgnoreNulls(true);
    }
    accept(Token.RPAREN);
    if (identifierEquals("WITHIN")) {
        lexer.nextToken();
        accept(Token.GROUP);
        accept(Token.LPAREN);
        SQLOrderBy withinGroup = this.parseOrderBy();
        aggregateExpr.setWithinGroup(withinGroup);
        accept(Token.RPAREN);
    }
    if (lexer.token() == Token.KEEP) {
        lexer.nextToken();
        SQLKeep keep = new SQLKeep();
        accept(Token.LPAREN);
        acceptIdentifier("DENSE_RANK");
        if (identifierEquals("FIRST")) {
            lexer.nextToken();
            keep.setDenseRank(DenseRank.FIRST);
        } else {
            acceptIdentifier("LAST");
            keep.setDenseRank(DenseRank.LAST);
        }
        SQLOrderBy orderBy = this.parseOrderBy();
        keep.setOrderBy(orderBy);
        aggregateExpr.setKeep(keep);
        accept(Token.RPAREN);
    }
    if (lexer.token() == Token.OVER) {
        OracleAnalytic over = new OracleAnalytic();
        lexer.nextToken();
        accept(Token.LPAREN);
        if (identifierEquals("PARTITION")) {
            lexer.nextToken();
            accept(Token.BY);
            if (lexer.token() == (Token.LPAREN)) {
                lexer.nextToken();
                exprList(over.getPartitionBy(), over);
                accept(Token.RPAREN);
            } else {
                exprList(over.getPartitionBy(), over);
            }
        }
        over.setOrderBy(parseOrderBy());
        if (over.getOrderBy() != null) {
            OracleAnalyticWindowing windowing = null;
            if (lexer.stringVal().equalsIgnoreCase("ROWS")) {
                lexer.nextToken();
                windowing = new OracleAnalyticWindowing();
                windowing.setType(OracleAnalyticWindowing.Type.ROWS);
            } else if (lexer.stringVal().equalsIgnoreCase("RANGE")) {
                lexer.nextToken();
                windowing = new OracleAnalyticWindowing();
                windowing.setType(OracleAnalyticWindowing.Type.RANGE);
            }
            if (windowing != null) {
                if (lexer.stringVal().equalsIgnoreCase("CURRENT")) {
                    lexer.nextToken();
                    if (lexer.stringVal().equalsIgnoreCase("ROW")) {
                        lexer.nextToken();
                        windowing.setExpr(new SQLIdentifierExpr("CURRENT ROW"));
                        over.setWindowing(windowing);
                    }
                    throw new ParserException("syntax error");
                }
                if (lexer.stringVal().equalsIgnoreCase("UNBOUNDED")) {
                    lexer.nextToken();
                    if (lexer.stringVal().equalsIgnoreCase("PRECEDING")) {
                        lexer.nextToken();
                        windowing.setExpr(new SQLIdentifierExpr("UNBOUNDED PRECEDING"));
                    } else {
                        throw new ParserException("syntax error");
                    }
                }
                over.setWindowing(windowing);
            }
        }
        accept(Token.RPAREN);
        aggregateExpr.setOver(over);
    }
    return aggregateExpr;
}

Example 2 with OracleAnalyticWindowing

use of com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleAnalyticWindowing in project druid by alibaba.

the class OracleASTVisitorAdapterTest method test_adapter.

public void test_adapter() throws Exception {
    OracleASTVisitorAdapter adapter = new OracleASTVisitorAdapter();
    new OraclePLSQLCommitStatement().accept(adapter);
    new OracleAnalytic().accept(adapter);
    new OracleAnalyticWindowing().accept(adapter);
    new SQLDateExpr().accept(adapter);
    new OracleDbLinkExpr().accept(adapter);
    new OracleSelectForUpdate().accept(adapter);
    new OracleSelectHierachicalQueryClause().accept(adapter);
    new OracleSelectPivot.Item().accept(adapter);
    new OracleSelectPivot().accept(adapter);
    new CheckOption().accept(adapter);
    new ReadOnly().accept(adapter);
    new OracleSelectUnPivot().accept(adapter);
    new SQLTimestampExpr().accept(adapter);
    new PartitionExtensionClause().accept(adapter);
    new VersionsFlashbackQueryClause().accept(adapter);
    new VersionsFlashbackQueryClause().accept(adapter);
    new AsOfFlashbackQueryClause().accept(adapter);
    new SQLGroupingSetExpr().accept(adapter);
    new OracleWithSubqueryEntry().accept(adapter);
    new OracleFileSpecification().accept(adapter);
    new OracleAlterTablespaceAddDataFile().accept(adapter);
    new OracleAlterTablespaceStatement().accept(adapter);
    new SQLCreateSequenceStatement().accept(adapter);
    new SQLLoopStatement().accept(adapter);
    new OracleIntervalExpr().accept(adapter);
    new OracleDeleteStatement().accept(adapter);
    new OracleUpdateStatement().accept(adapter);
    new SampleClause().accept(adapter);
    new OracleSelectTableReference().accept(adapter);
    new SearchClause().accept(adapter);
    new CycleClause().accept(adapter);
    new OracleBinaryFloatExpr().accept(adapter);
    new OracleBinaryDoubleExpr().accept(adapter);
    new OracleCursorExpr().accept(adapter);
    new OracleIsSetExpr().accept(adapter);
    new ReturnRowsClause().accept(adapter);
    new ModelClause().accept(adapter);
    new MainModelClause().accept(adapter);
    new ModelColumnClause().accept(adapter);
    new QueryPartitionClause().accept(adapter);
    new ModelColumn().accept(adapter);
    new ModelRulesClause().accept(adapter);
    new CellAssignmentItem().accept(adapter);
    new CellAssignment().accept(adapter);
    new SQLMergeStatement().accept(adapter);
    new MergeUpdateClause().accept(adapter);
    new MergeInsertClause().accept(adapter);
    new SQLErrorLoggingClause().accept(adapter);
    new OracleReturningClause().accept(adapter);
    new OracleInsertStatement().accept(adapter);
    new InsertIntoClause().accept(adapter);
    new OracleMultiInsertStatement().accept(adapter);
    new ConditionalInsertClause().accept(adapter);
    new ConditionalInsertClauseItem().accept(adapter);
    new OracleSelectQueryBlock().accept(adapter);
    new SQLBlockStatement().accept(adapter);
    new OracleLockTableStatement().accept(adapter);
    new OracleAlterSessionStatement().accept(adapter);
    new OracleExprStatement().accept(adapter);
    new OracleDatetimeExpr().accept(adapter);
    new OracleExceptionStatement().accept(adapter);
    new OracleExceptionStatement.Item().accept(adapter);
    new OracleArgumentExpr().accept(adapter);
    new OracleSetTransactionStatement().accept(adapter);
    new SQLDropSequenceStatement().accept(adapter);
    new OracleDataTypeIntervalDay().accept(adapter);
    new OracleDataTypeIntervalYear().accept(adapter);
    new OracleDataTypeTimestamp().accept(adapter);
    new OracleDropDbLinkStatement().accept(adapter);
    new OracleCreateDatabaseDbLinkStatement().accept(adapter);
    new SQLCreateProcedureStatement().accept(adapter);
    new OracleSavePointStatement().accept(adapter);
    new SQLFetchStatement().accept(adapter);
    new OracleExitStatement().accept(adapter);
    new OracleExplainStatement().accept(adapter);
    new OracleAlterProcedureStatement().accept(adapter);
    new OracleAlterTableDropPartition().accept(adapter);
    new OracleAlterTableTruncatePartition().accept(adapter);
    new OracleAlterTableSplitPartition.TableSpaceItem().accept(adapter);
    new OracleAlterTableSplitPartition.UpdateIndexesClause().accept(adapter);
    new OracleAlterTableSplitPartition.NestedTablePartitionSpec().accept(adapter);
    new OracleAlterTableSplitPartition().accept(adapter);
    new OracleAlterTableModify().accept(adapter);
    new OracleCreateIndexStatement().accept(adapter);
    new OracleAlterIndexStatement().accept(adapter);
    new OracleForStatement().accept(adapter);
    new OracleAlterIndexStatement().accept(adapter);
    new OracleRangeExpr().accept(adapter);
    new OraclePrimaryKey().accept(adapter);
    new OracleCreateTableStatement().accept(adapter);
    new SQLAlterTableRename().accept(adapter);
    new OracleStorageClause().accept(adapter);
    new OracleGotoStatement().accept(adapter);
    new OracleLabelStatement().accept(adapter);
    new SQLParameter().accept(adapter);
    new OracleCommitStatement().accept(adapter);
    new OracleAlterTriggerStatement().accept(adapter);
    new OracleAlterSynonymStatement().accept(adapter);
    new AsOfSnapshotClause().accept(adapter);
    new OracleAlterViewStatement().accept(adapter);
    new OracleAlterTableMoveTablespace().accept(adapter);
    new OracleSizeExpr().accept(adapter);
}