Package org.teiid.language

Examples of org.teiid.language.Function

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        helpGetString1(func,  "CASE WHEN 1 = 0 THEN 0 WHEN 1 IS NOT NULL THEN 1 END");  //$NON-NLS-1$
    }
   
    @Test public void testBigIntegerToBoolean() throws Exception {
        Function func = LANG_FACTORY.createFunction("convert",  //$NON-NLS-1$
            new Expression[] {
                LANG_FACTORY.createLiteral(new java.math.BigInteger("1"), java.math.BigInteger.class),  //$NON-NLS-1$
                LANG_FACTORY.createLiteral("boolean", Boolean.class)}, //$NON-NLS-1$
            Boolean.class);
       
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        helpGetString1(func,  "CASE WHEN 1 = 0 THEN 0 WHEN 1 IS NOT NULL THEN 1 END");  //$NON-NLS-1$
    }
   
    @Test public void testFloatToBoolean() throws Exception {
        Function func = LANG_FACTORY.createFunction("convert",  //$NON-NLS-1$
            new Expression[] {
                LANG_FACTORY.createLiteral(new Float((float)1.0), Float.class), 
                LANG_FACTORY.createLiteral("boolean", Boolean.class)}, //$NON-NLS-1$
            Boolean.class);
       
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        helpGetString1(func,  "CASE WHEN 1.0 = 0 THEN 0 WHEN 1.0 IS NOT NULL THEN 1 END");  //$NON-NLS-1$
    }
   
    @Test public void testDoubleToBoolean() throws Exception {
        Function func = LANG_FACTORY.createFunction("convert",  //$NON-NLS-1$
            new Expression[] {
                LANG_FACTORY.createLiteral(new Double(1.0), Double.class), 
                LANG_FACTORY.createLiteral("boolean", Boolean.class)}, //$NON-NLS-1$
            Boolean.class);
       
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        helpGetString1(func,  "CASE WHEN 1.0 = 0 THEN 0 WHEN 1.0 IS NOT NULL THEN 1 END");  //$NON-NLS-1$
    }
   
    @Test public void testBigDecimalToBoolean() throws Exception {
        Function func = LANG_FACTORY.createFunction("convert",  //$NON-NLS-1$
            new Expression[] {
                LANG_FACTORY.createLiteral(new java.math.BigDecimal("1.0"), java.math.BigDecimal.class),  //$NON-NLS-1$
                LANG_FACTORY.createLiteral("boolean", Boolean.class)}, //$NON-NLS-1$
            Boolean.class);
       
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    /***************** End of cast(boolean AS input)******************/
   
   
    /***************** Beginning of cast(byte AS input) ************/
    @Test public void testStringToByte() throws Exception {
        Function func = LANG_FACTORY.createFunction("convert",  //$NON-NLS-1$
            new Expression[] {
                LANG_FACTORY.createLiteral("12", String.class),  //$NON-NLS-1$
                LANG_FACTORY.createLiteral("byte", Byte.class)}, //$NON-NLS-1$
            Byte.class);
       
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        helpGetString1(func,  "cast('12' AS smallint)");  //$NON-NLS-1$
    }
   
    @Test public void testBooleanToBytea() throws Exception {
        Function func = LANG_FACTORY.createFunction("convert",  //$NON-NLS-1$
            new Expression[] {
                LANG_FACTORY.createLiteral(Boolean.TRUE, Boolean.class),
                LANG_FACTORY.createLiteral("byte", Byte.class)}, //$NON-NLS-1$
            Byte.class);
       
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        helpGetString1(func,  "1");  //$NON-NLS-1$
    } 
   
    @Test public void testShortToByte() throws Exception {
        Function func = LANG_FACTORY.createFunction("convert",  //$NON-NLS-1$
            new Expression[] {
                LANG_FACTORY.createLiteral(new Short((short) 123), Short.class),
                LANG_FACTORY.createLiteral("byte",  Byte.class)}, //$NON-NLS-1$
            Byte.class);
       
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        helpGetString1(func,  "123");  //$NON-NLS-1$
    }

    @Test public void testIntegerToByte() throws Exception {
        Function func = LANG_FACTORY.createFunction("convert",  //$NON-NLS-1$
            new Expression[] {
                LANG_FACTORY.createLiteral(new Integer(1232321), Integer.class),
                LANG_FACTORY.createLiteral("byte",  Byte.class)}, //$NON-NLS-1$
            Byte.class);
       
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        helpGetString1(func,  "cast(1232321 AS smallint)");  //$NON-NLS-1$
    }
   
    @Test public void testLongToByte() throws Exception {
        Function func = LANG_FACTORY.createFunction("convert",  //$NON-NLS-1$
            new Expression[] {
                LANG_FACTORY.createLiteral(new Long(1231232341), Long.class),
                LANG_FACTORY.createLiteral("byte",  Byte.class)}, //$NON-NLS-1$
            Byte.class);
       
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        helpGetString1(func,  "cast(1231232341 AS smallint)");  //$NON-NLS-1$
    }
   
    @Test public void testBigIntegerToByte() throws Exception {
        Function func = LANG_FACTORY.createFunction("convert",  //$NON-NLS-1$
            new Expression[] {
                LANG_FACTORY.createLiteral(new java.math.BigInteger("123"), java.math.BigInteger.class), //$NON-NLS-1$
                LANG_FACTORY.createLiteral("byte",  Byte.class)}, //$NON-NLS-1$
            Byte.class);
       
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Related Classes of org.teiid.language.Function

  • org.teiid.connector.visitor.util.TestCollectorVisitor
  • org.teiid.connector.visitor.util.TestSQLStringVisitor
  • org.teiid.translator.jdbc.ConvertModifier
  • org.teiid.translator.jdbc.db2.SubstringFunctionModifier
  • org.teiid.translator.jdbc.db2.TestDB2ConvertModifier
  • org.teiid.translator.jdbc.ingres.TestIngresConvertModifier
  • org.teiid.translator.jdbc.intersyscache.InterSystemsCacheExecutionFactory
  • org.teiid.translator.jdbc.intersystemscache.TestInterSystemsCacheTranslation
  • org.teiid.translator.jdbc.JDBCExecutionFactory
  • org.teiid.translator.jdbc.modeshape.TestPathFunctionModifier
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