Examples with SQLExpressionFactory org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory used on opensource projects

Example 41 with SQLExpressionFactory

use of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory in project datanucleus-rdbms by datanucleus.

the class TemporalMonthJavaMethod2 method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    SQLExpression invokedExpr = getInvokedExpression(expr, args, "MONTH_JAVA");
    SQLExpression one = ExpressionUtils.getLiteralForOne(stmt);
    RDBMSStoreManager storeMgr = stmt.getRDBMSManager();
    JavaTypeMapping mapping2 = storeMgr.getMappingManager().getMapping(String.class);
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    SQLExpression mm = exprFactory.newLiteral(stmt, mapping2, "MM");
    ArrayList funcArgs = new ArrayList();
    funcArgs.add(invokedExpr);
    funcArgs.add(mm);
    ArrayList funcArgs2 = new ArrayList();
    funcArgs2.add(new StringExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class, true), "TO_CHAR", funcArgs));
    // Delete one from the SQL "month" (origin=1) to be compatible with Java month (origin=0)
    NumericExpression numExpr = new NumericExpression(new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class, true), "TO_NUMBER", funcArgs2), Expression.OP_SUB, one);
    numExpr.encloseInParentheses();
    return numExpr;
}

Example 42 with SQLExpressionFactory

use of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory in project datanucleus-rdbms by datanucleus.

the class TemporalMonthJavaMethod3 method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    SQLExpression invokedExpr = getInvokedExpression(expr, args, "MONTH_JAVA");
    SQLExpression one = ExpressionUtils.getLiteralForOne(stmt);
    RDBMSStoreManager storeMgr = stmt.getRDBMSManager();
    JavaTypeMapping mapping2 = storeMgr.getMappingManager().getMapping(String.class);
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    ArrayList funcArgs = new ArrayList();
    funcArgs.add(exprFactory.newLiteral(stmt, mapping2, "month"));
    funcArgs.add(invokedExpr);
    // Delete one from the SQL "month" (origin=1) to be compatible with Java month (origin=0)
    NumericExpression numExpr = new NumericExpression(new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class, true), "date_part", funcArgs), Expression.OP_SUB, one);
    numExpr.encloseInParentheses();
    return numExpr;
}

Example 43 with SQLExpressionFactory

use of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory in project datanucleus-rdbms by datanucleus.

the class MathToRadiansMethod method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression ignore, List<SQLExpression> args) {
    if (args == null || args.size() == 0) {
        throw new NucleusUserException("Cannot invoke Math.toRadians without an argument");
    }
    SQLExpression expr = args.get(0);
    if (expr == null) {
        return new NullLiteral(stmt, null, null, null);
    } else if (expr instanceof SQLLiteral) {
        if (expr instanceof ByteLiteral) {
            int originalValue = ((BigInteger) ((ByteLiteral) expr).getValue()).intValue();
            BigInteger absValue = new BigInteger(String.valueOf(Math.cos(originalValue)));
            return new ByteLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        } else if (expr instanceof IntegerLiteral) {
            int originalValue = ((Number) ((IntegerLiteral) expr).getValue()).intValue();
            Double absValue = new Double(Math.cos(originalValue));
            return new FloatingPointLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        } else if (expr instanceof FloatingPointLiteral) {
            double originalValue = ((BigDecimal) ((FloatingPointLiteral) expr).getValue()).doubleValue();
            Double absValue = new Double(Math.cos(originalValue));
            return new FloatingPointLiteral(stmt, expr.getJavaTypeMapping(), absValue, null);
        }
        throw new IllegalExpressionOperationException("Math.toRadians()", expr);
    } else {
        // Relay to the equivalent "radians(expr)" function
        SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
        return exprFactory.invokeMethod(stmt, null, "radians", null, args);
    }
}

Example 44 with SQLExpressionFactory

use of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory in project datanucleus-rdbms by datanucleus.

the class TemporalDayMethod2 method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    SQLExpression invokedExpr = getInvokedExpression(expr, args, "DAY");
    RDBMSStoreManager storeMgr = stmt.getRDBMSManager();
    JavaTypeMapping mapping = storeMgr.getMappingManager().getMapping(String.class);
    ArrayList funcArgs = new ArrayList();
    funcArgs.add(invokedExpr);
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    funcArgs.add(exprFactory.newLiteral(stmt, mapping, "DD"));
    ArrayList funcArgs2 = new ArrayList();
    funcArgs2.add(new StringExpression(stmt, mapping, "TO_CHAR", funcArgs));
    return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class), "TO_NUMBER", funcArgs2);
}

Example 45 with SQLExpressionFactory

use of org.datanucleus.store.rdbms.sql.expression.SQLExpressionFactory in project datanucleus-rdbms by datanucleus.

the class TemporalDayMethod3 method getExpression.

/* (non-Javadoc)
     * @see org.datanucleus.store.rdbms.sql.method.SQLMethod#getExpression(org.datanucleus.store.rdbms.sql.expression.SQLExpression, java.util.List)
     */
public SQLExpression getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) {
    SQLExpression invokedExpr = getInvokedExpression(expr, args, "DAY");
    RDBMSStoreManager storeMgr = stmt.getRDBMSManager();
    JavaTypeMapping mapping = storeMgr.getMappingManager().getMapping(String.class);
    ArrayList funcArgs = new ArrayList();
    SQLExpressionFactory exprFactory = stmt.getSQLExpressionFactory();
    funcArgs.add(exprFactory.newLiteral(stmt, mapping, "day"));
    funcArgs.add(invokedExpr);
    return new NumericExpression(stmt, stmt.getSQLExpressionFactory().getMappingForType(int.class), "date_part", funcArgs);
}