Examples of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory.newExpression()

Package org.datanucleus.store.rdbms.sql.expression

Class org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory

Examples of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory.newExpression()

org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory.newExpression()
Factory for an expression representing a mapping on a table. @param stmt The statement @param sqlTbl The table @param mapping The mapping @return The expression

                // Order by the ordering column, when present
                SQLTable orderSqlTbl =
                    SQLStatementHelper.getSQLTableForMappingOfTable(sqlStmt, sqlStmt.getPrimaryTable(), orderMapping);
                SQLExpression[] orderExprs = new SQLExpression[orderMapping.getNumberOfDatastoreMappings()];
                boolean descendingOrder[] = new boolean[orderMapping.getNumberOfDatastoreMappings()];
                orderExprs[0] = exprFactory.newExpression(sqlStmt, orderSqlTbl, orderMapping);
                sqlStmt.setOrdering(orderExprs, descendingOrder);
            }
        }
        else
        {

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                {
                    String fieldName = orderComponents[i].getFieldName();
                    JavaTypeMapping fieldMapping = elementTbl.getMemberMapping(elementInfo[0].getAbstractClassMetaData().getMetaDataForMember(fieldName));
                    orderDirs[i] = !orderComponents[i].isForward();
                    SQLTable fieldSqlTbl = SQLStatementHelper.getSQLTableForMappingOfTable(sqlStmt, sqlStmt.getPrimaryTable(), fieldMapping);
                    orderExprs[i] = exprFactory.newExpression(sqlStmt, fieldSqlTbl, fieldMapping);
                }


                sqlStmt.setOrdering(orderExprs, orderDirs);
            }
        }

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        }


        // Apply condition to filter by owner
        SQLTable ownerSqlTbl =
            SQLStatementHelper.getSQLTableForMappingOfTable(sqlStmt, sqlStmt.getPrimaryTable(), ownerMapping);
        SQLExpression ownerExpr = exprFactory.newExpression(sqlStmt, ownerSqlTbl, ownerMapping);
        SQLExpression ownerVal = exprFactory.newLiteralParameter(sqlStmt, ownerMapping, null, "OWNER");
        sqlStmt.whereAnd(ownerExpr.eq(ownerVal), true);


        if (relationDiscriminatorMapping != null)
        {

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        if (relationDiscriminatorMapping != null)
        {
            // Apply condition on distinguisher field to filter by distinguisher (when present)
            SQLTable distSqlTbl =
                SQLStatementHelper.getSQLTableForMappingOfTable(sqlStmt, sqlStmt.getPrimaryTable(), relationDiscriminatorMapping);
            SQLExpression distExpr = exprFactory.newExpression(sqlStmt, distSqlTbl, relationDiscriminatorMapping);
            SQLExpression distVal = exprFactory.newLiteral(sqlStmt, relationDiscriminatorMapping, relationDiscriminatorValue);
            sqlStmt.whereAnd(distExpr.eq(distVal), true);
        }


        if (orderMapping != null)

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            // Order by the ordering column, when present
            SQLTable orderSqlTbl =
                SQLStatementHelper.getSQLTableForMappingOfTable(sqlStmt, sqlStmt.getPrimaryTable(), orderMapping);
            SQLExpression[] orderExprs = new SQLExpression[orderMapping.getNumberOfDatastoreMappings()];
            boolean descendingOrder[] = new boolean[orderMapping.getNumberOfDatastoreMappings()];
            orderExprs[0] = exprFactory.newExpression(sqlStmt, orderSqlTbl, orderMapping);
            sqlStmt.setOrdering(orderExprs, descendingOrder);
        }


        // Input parameter(s) - the owner
        int inputParamNum = 1;

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        }


        // Apply condition on join-table owner field to filter by owner
        SQLTable ownerSqlTbl =
            SQLStatementHelper.getSQLTableForMappingOfTable(sqlStmt, sqlStmt.getPrimaryTable(), ownerMapping);
        SQLExpression ownerExpr = exprFactory.newExpression(sqlStmt, ownerSqlTbl, ownerMapping);
        SQLExpression ownerVal = exprFactory.newLiteralParameter(sqlStmt, ownerMapping, null, "OWNER");
        sqlStmt.whereAnd(ownerExpr.eq(ownerVal), true);


        if (relationDiscriminatorMapping != null)
        {

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        if (relationDiscriminatorMapping != null)
        {
            // Apply condition on distinguisher field to filter by distinguisher (when present)
            SQLTable distSqlTbl =
                SQLStatementHelper.getSQLTableForMappingOfTable(sqlStmt, sqlStmt.getPrimaryTable(), relationDiscriminatorMapping);
            SQLExpression distExpr = exprFactory.newExpression(sqlStmt, distSqlTbl, relationDiscriminatorMapping);
            SQLExpression distVal = exprFactory.newLiteral(sqlStmt, relationDiscriminatorMapping, relationDiscriminatorValue);
            sqlStmt.whereAnd(distExpr.eq(distVal), true);
        }


        if (orderMapping != null)

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            // Order by the ordering column, when present
            SQLTable orderSqlTbl =
                SQLStatementHelper.getSQLTableForMappingOfTable(sqlStmt, sqlStmt.getPrimaryTable(), orderMapping);
            SQLExpression[] orderExprs = new SQLExpression[orderMapping.getNumberOfDatastoreMappings()];
            boolean descendingOrder[] = new boolean[orderMapping.getNumberOfDatastoreMappings()];
            orderExprs[0] = exprFactory.newExpression(sqlStmt, orderSqlTbl, orderMapping);
            sqlStmt.setOrdering(orderExprs, descendingOrder);
        }


        // Input parameter(s) - the owner
        int inputParamNum = 1;

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        // Apply condition on owner field to filter by owner
        SQLExpressionFactory exprFactory = storeMgr.getSQLExpressionFactory();
        SQLTable ownerSqlTbl =
            SQLStatementHelper.getSQLTableForMappingOfTable(sqlStmt, containerSqlTbl, ownerMapping);
        SQLExpression ownerExpr = exprFactory.newExpression(sqlStmt, ownerSqlTbl, ownerMapping);
        SQLExpression ownerVal = exprFactory.newLiteralParameter(sqlStmt, ownerMapping, null, "OWNER");
        sqlStmt.whereAnd(ownerExpr.eq(ownerVal), true);


        // Input parameter(s) - the owner
        int inputParamNum = 1;

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        // Apply condition on owner field to filter by owner
        SQLExpressionFactory exprFactory = storeMgr.getSQLExpressionFactory();
        SQLTable ownerSqlTbl =
            SQLStatementHelper.getSQLTableForMappingOfTable(sqlStmt, sqlStmt.getPrimaryTable(), ownerMapping);
        SQLExpression ownerExpr = exprFactory.newExpression(sqlStmt, ownerSqlTbl, ownerMapping);
        SQLExpression ownerVal = exprFactory.newLiteralParameter(sqlStmt, ownerMapping, null, "OWNER");
        sqlStmt.whereAnd(ownerExpr.eq(ownerVal), true);


        // Apply condition on key
        if (keyMapping instanceof SerialisedMapping)

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