July 2009 - teiid-commits - Jboss List Archives

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teiid SVN: r1138 - in trunk: engine/src/main/java/com/metamatrix/query/function and 2 other directories.

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Author: shawkins Date: 2009-07-16 13:06:57 -0400 (Thu, 16 Jul 2009) New Revision: 1138 Modified: trunk/documentation/reference/src/main/docbook/en-US/content/scalar_functions.xml trunk/engine/src/main/java/com/metamatrix/query/function/FunctionMethods.java trunk/engine/src/main/java/com/metamatrix/query/function/source/SystemSource.java trunk/engine/src/test/java/com/metamatrix/query/function/TestFunctionLibrary.java Log: TEIID-671 adding bigdecimal as an accepted input to power. Modified: trunk/documentation/reference/src/main/docbook/en-US/content/scalar_functions.xml =================================================================== --- trunk/documentation/reference/src/main/docbook/en-US/content/scalar_functions.xml 2009-07-16 14:19:27 UTC (rev 1137) +++ trunk/documentation/reference/src/main/docbook/en-US/content/scalar_functions.xml 2009-07-16 17:06:57 UTC (rev 1138) @@ -350,8 +350,7 @@ <para>x to the y power</para> </entry> <entry> - <para>x in {integer, long, float, double, biginteger}, if x is - biginteger then return type is biginteger, else double</para> + <para>x in {double, bigdecimal, biginteger}, return is the same type as x</para> </entry> </row> <row> Modified: trunk/engine/src/main/java/com/metamatrix/query/function/FunctionMethods.java =================================================================== --- trunk/engine/src/main/java/com/metamatrix/query/function/FunctionMethods.java 2009-07-16 14:19:27 UTC (rev 1137) +++ trunk/engine/src/main/java/com/metamatrix/query/function/FunctionMethods.java 2009-07-16 17:06:57 UTC (rev 1138) @@ -282,22 +282,18 @@ } // ================== Function = power ===================== - - public static Object power(Object x, Object y) throws FunctionExecutionException { - if(x == null || y == null) { - return null; - } else if(x instanceof Double) { - if(y instanceof Double) { - return new Double(Math.pow(((Double)x).doubleValue(), ((Double)y).doubleValue())); - } - } else if(x instanceof BigInteger) { - if(y instanceof Integer) { - return ((BigInteger)x).pow(((Integer)y).intValue()); - } - } - - throw new FunctionExecutionException(ErrorMessageKeys.FUNCTION_0007, QueryPlugin.Util.getString(ErrorMessageKeys.FUNCTION_0007, new Object[]{"power", x.getClass().getName(), y.getClass().getName()})); //$NON-NLS-1$ + + public static double power(double x, double y) { + return Math.pow(x, y); } + + public static BigInteger power(BigInteger x, int y) { + return x.pow(y); + } + + public static BigDecimal power(BigDecimal x, int y) { + return x.pow(y); + } public static int round(int number, int places) { if(places < 0){ Modified: trunk/engine/src/main/java/com/metamatrix/query/function/source/SystemSource.java =================================================================== --- trunk/engine/src/main/java/com/metamatrix/query/function/source/SystemSource.java 2009-07-16 14:19:27 UTC (rev 1137) +++ trunk/engine/src/main/java/com/metamatrix/query/function/source/SystemSource.java 2009-07-16 17:06:57 UTC (rev 1138) @@ -298,6 +298,7 @@ private void addPowerFunction() { addTypedPowerFunction(DataTypeManager.DefaultDataTypes.DOUBLE, DataTypeManager.DefaultDataTypes.DOUBLE); addTypedPowerFunction(DataTypeManager.DefaultDataTypes.BIG_INTEGER, DataTypeManager.DefaultDataTypes.INTEGER); + addTypedPowerFunction(DataTypeManager.DefaultDataTypes.BIG_DECIMAL, DataTypeManager.DefaultDataTypes.INTEGER); } private void addTypedPowerFunction(String baseType, String powerType) { Modified: trunk/engine/src/test/java/com/metamatrix/query/function/TestFunctionLibrary.java =================================================================== --- trunk/engine/src/test/java/com/metamatrix/query/function/TestFunctionLibrary.java 2009-07-16 14:19:27 UTC (rev 1137) +++ trunk/engine/src/test/java/com/metamatrix/query/function/TestFunctionLibrary.java 2009-07-16 17:06:57 UTC (rev 1138) @@ -1341,6 +1341,10 @@ helpInvokeMethod("power", new Object[] { new Double("10"), new Double("2") }, new Double("100")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ } + @Test public void testInvokePower1() { + helpInvokeMethod("power", new Object[] { new BigDecimal("10"), new Integer(2) }, new BigDecimal("100")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ + } + @Test public void testInvokeSqrt() { helpInvokeMethod("sqrt", new Object[] { new Double("4")}, new Double("2")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ }

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