Revision 44752 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/expressionevaluator/impl/function/dataaccess/SelectFunction.java
| SelectFunction.java | ||
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import org.apache.commons.lang3.tuple.ImmutablePair; |
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import org.apache.commons.lang3.tuple.Pair; |
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import org.gvsig.expressionevaluator.Code; |
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import org.gvsig.expressionevaluator.Code.Caller; |
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import org.gvsig.expressionevaluator.CodeBuilder; |
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import org.gvsig.expressionevaluator.Codes; |
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import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_GETATTR; |
| ... | ... | |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.impl.expressionevaluator.DefaultExpressionEvaluator; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.expressionevaluator.Code.Callable; |
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/** |
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* |
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private static final int LIMIT = 5; |
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private Caller getTupleOrNull(Codes args, int argn) {
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private Callable getTupleOrNull(Codes args, int argn) {
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Code code = args.get(argn); |
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if( code.code()==Code.CONSTANT ) {
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if( ((Code.Constant)code).value()!=null ) {
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| ... | ... | |
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} |
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return null; |
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} |
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if( code.code()!=Code.CALLER ) {
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if( code.code()!=Code.CALLABLE ) {
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throw new ExpressionRuntimeException("Tupple or null expected in argument "+argn+ " of function '" + FUNCTION_SELECT + "'.");
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} |
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Caller caller = (Caller) code;
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Callable caller = (Callable) code;
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if( !StringUtils.equalsIgnoreCase(FUNCTION_TUPLE, caller.name()) ) {
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throw new ExpressionRuntimeException("Tupple or null expected in argument "+argn+ " of function '" + FUNCTION_SELECT + "'.");
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} |
| ... | ... | |
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Code columns = getTupleOrNull(args, COLUMNS); |
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Code where = args.get(WHERE); |
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Number limit = (Number) getObject(interpreter, args, LIMIT); |
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Caller order = getTupleOrNull(args, ORDER);
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Caller order_mode = getTupleOrNull(args, ORDER_MODE);
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Callable order = getTupleOrNull(args, ORDER);
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Callable order_mode = getTupleOrNull(args, ORDER_MODE);
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FeatureQueryOrder queryOrder = null; |
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if( order!=null || order_mode!=null ) {
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| ... | ... | |
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CodeBuilder codeBuilder = ExpressionUtils.createCodeBuilder(); |
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where.accept((Object o) -> {
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Code code = (Code) o; |
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if( code!=null && code.code() == Code.CALLER ) {
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Code.Caller caller = (Code.Caller) code;
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if( code!=null && code.code() == Code.CALLABLE ) {
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Code.Callable caller = (Code.Callable) code;
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if( StringUtils.equalsIgnoreCase(caller.name(),FUNCTION_GETATTR) ) {
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Codes args = caller.parameters(); |
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Code arg0 = args.get(0); |
| ... | ... | |
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} |
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@Override |
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public Code optimize(Optimizer optimizer, Caller caller) {
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public Code optimize(Optimizer optimizer, Callable caller) {
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return caller; // Don't optimize SELECT |
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} |
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