Examples with SampleClause com.alibaba.druid.sql.dialect.oracle.ast.clause.SampleClause used on opensource projects

Example 1 with SampleClause

use of com.alibaba.druid.sql.dialect.oracle.ast.clause.SampleClause in project druid by alibaba.

the class OracleSelectParser method parseTableSourceQueryTableExpr.

private void parseTableSourceQueryTableExpr(OracleSelectTableReference tableReference) {
    tableReference.setExpr(this.exprParser.expr());
    {
        FlashbackQueryClause clause = flashback();
        tableReference.setFlashback(clause);
    }
    if (identifierEquals("SAMPLE")) {
        lexer.nextToken();
        SampleClause sample = new SampleClause();
        if (identifierEquals("BLOCK")) {
            sample.setBlock(true);
            lexer.nextToken();
        }
        accept(Token.LPAREN);
        this.exprParser.exprList(sample.getPercent(), sample);
        accept(Token.RPAREN);
        if (identifierEquals("SEED")) {
            lexer.nextToken();
            accept(Token.LPAREN);
            sample.setSeedValue(expr());
            accept(Token.RPAREN);
        }
        tableReference.setSampleClause(sample);
    }
    if (identifierEquals("PARTITION")) {
        lexer.nextToken();
        PartitionExtensionClause partition = new PartitionExtensionClause();
        if (lexer.token() == Token.LPAREN) {
            lexer.nextToken();
            partition.setPartition(exprParser.name());
            accept(Token.RPAREN);
        } else {
            accept(Token.FOR);
            accept(Token.LPAREN);
            exprParser.names(partition.getFor());
            accept(Token.RPAREN);
        }
        tableReference.setPartition(partition);
    }
    if (identifierEquals("SUBPARTITION")) {
        lexer.nextToken();
        PartitionExtensionClause partition = new PartitionExtensionClause();
        partition.setSubPartition(true);
        if (lexer.token() == Token.LPAREN) {
            lexer.nextToken();
            partition.setPartition(exprParser.name());
            accept(Token.RPAREN);
        } else {
            accept(Token.FOR);
            accept(Token.LPAREN);
            exprParser.names(partition.getFor());
            accept(Token.RPAREN);
        }
        tableReference.setPartition(partition);
    }
    if (identifierEquals("VERSIONS")) {
        lexer.nextToken();
        if (lexer.token() == Token.BETWEEN) {
            lexer.nextToken();
            VersionsFlashbackQueryClause clause = new VersionsFlashbackQueryClause();
            if (identifierEquals("SCN")) {
                clause.setType(AsOfFlashbackQueryClause.Type.SCN);
                lexer.nextToken();
            } else {
                acceptIdentifier("TIMESTAMP");
                clause.setType(AsOfFlashbackQueryClause.Type.TIMESTAMP);
            }
            SQLBinaryOpExpr binaryExpr = (SQLBinaryOpExpr) exprParser.expr();
            if (binaryExpr.getOperator() != SQLBinaryOperator.BooleanAnd) {
                throw new ParserException("syntax error : " + binaryExpr.getOperator());
            }
            clause.setBegin(binaryExpr.getLeft());
            clause.setEnd(binaryExpr.getRight());
            tableReference.setFlashback(clause);
        } else {
            throw new ParserException("TODO");
        }
    }
}

Example 2 with SampleClause

use of com.alibaba.druid.sql.dialect.oracle.ast.clause.SampleClause 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);
}