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in ms excel, 100>"23" , "100">"23" will be converted to Number to compare, hope poi do it the same #5

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in ms excel, 100>"23" , "100">"23" will be converted to Number to compare, hope poi do it the same #5

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f43a8cf
in ms excel, 100>"23" , "100">"23" will be converted to Number to com…
helloworld2688 Jul 24, 2013
473c8c9
format style the same as poi
helloworld2688 Jul 24, 2013
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20 changes: 11 additions & 9 deletions src/java/org/apache/poi/ss/formula/eval/RelationalOperationEval.java
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ Licensed to the Apache Software Foundation (ASF) under one or more
*/
public abstract class RelationalOperationEval extends Fixed2ArgFunction {

/**
/**
* Converts a standard compare result (-1, 0, 1) to <code>true</code> or <code>false</code>
* according to subclass' comparison type.
*/
Expand All @@ -45,7 +45,7 @@ public abstract class RelationalOperationEval extends Fixed2ArgFunction {
* Bool.TRUE > Bool.FALSE
* Bool.FALSE == Blank
*
* Strings are never converted to numbers or booleans
* Strings can converted to numbers or booleans to compare
* String > any number. ALWAYS
* Non-empty String > Blank
* Empty String == Blank
Expand Down Expand Up @@ -94,6 +94,15 @@ private static int doCompare(ValueEval va, ValueEval vb) {
if (vb instanceof BoolEval) {
return -1;
}

try {
Double nA = OperandResolver.coerceValueToDouble(va);
Double nB = OperandResolver.coerceValueToDouble(vb);
return NumberComparer.compare(nA, nB);
} catch (Exception e) {
//
}

if (va instanceof StringEval) {
if (vb instanceof StringEval) {
StringEval sA = (StringEval) va;
Expand All @@ -105,13 +114,6 @@ private static int doCompare(ValueEval va, ValueEval vb) {
if (vb instanceof StringEval) {
return -1;
}
if (va instanceof NumberEval) {
if (vb instanceof NumberEval) {
NumberEval nA = (NumberEval) va;
NumberEval nB = (NumberEval) vb;
return NumberComparer.compare(nA.getNumberValue(), nB.getNumberValue());
}
}
throw new IllegalArgumentException("Bad operand types (" + va.getClass().getName() + "), ("
+ vb.getClass().getName() + ")");
}
Expand Down