Package org.teiid.language

Examples of org.teiid.language.Literal

753
754
755
756
757
758
759
760
761
762
763
764
        if (limit == null) {
            return null;
        }
        int rowOffset = 0;
        if (limit.getOffset() != null) {
            Literal c1 = (Literal)translate(limit.getOffset());
            rowOffset = ((Integer)c1.getValue()).intValue();
        }
        Literal c2 = (Literal)translate(limit.getRowLimit());
        int rowLimit = ((Integer)c2.getValue()).intValue();
        return new org.teiid.language.Limit(rowOffset, rowLimit);
    }
View Full Code Here
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
    convertCrossJoinToInner(obj, getLanguageFactory());
    //DB2 needs projected nulls wrapped in casts
    if (obj instanceof DerivedColumn) {
      DerivedColumn selectSymbol = (DerivedColumn)obj;
      if (selectSymbol.getExpression() instanceof Literal) {
        Literal literal = (Literal)selectSymbol.getExpression();
        if (literal.getValue() == null) {
          String type = TypeFacility.RUNTIME_NAMES.INTEGER;
          if (literal.getType() != TypeFacility.RUNTIME_TYPES.NULL) {
            type = TypeFacility.getDataTypeName(literal.getType());
          }
          selectSymbol.setExpression(ConvertModifier.createConvertFunction(getLanguageFactory(), literal, type));
        }
      }
    }
View Full Code Here
147
148
149
150
151
152
153
154
155
156
157
  public static void convertCrossJoinToInner(LanguageObject obj, LanguageFactory lf) {
    if (obj instanceof Join) {
      Join join = (Join)obj;
      if (join.getJoinType() == JoinType.CROSS_JOIN) {
        Literal one = lf.createLiteral(1, TypeFacility.RUNTIME_TYPES.INTEGER);
        join.setCondition(lf.createCompareCriteria(Operator.EQ, one, one));
        join.setJoinType(JoinType.INNER_JOIN);
      }
    }
  }
View Full Code Here
105
106
107
108
109
110
111
112
113
114
115
        registerFunctionModifier(SourceSystemFunctions.CONCAT, new ConcatFunctionModifier(getLanguageFactory()));
        registerFunctionModifier(SourceSystemFunctions.COT, new FunctionModifier() {
      @Override
      public List<?> translate(Function function) {
        function.setName(SourceSystemFunctions.TAN);
        return Arrays.asList(getLanguageFactory().createFunction(SourceSystemFunctions.DIVIDE_OP, new Expression[] {new Literal(1, TypeFacility.RUNTIME_TYPES.INTEGER), function}, TypeFacility.RUNTIME_TYPES.DOUBLE));
      }
    });
       
        //spatial functions
        registerFunctionModifier(OracleSpatialFunctions.RELATE, new OracleSpatialFunctionModifier());
View Full Code Here
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
    //case when length > LENGTH(string) - start + 1 then LENGTH(string) - start + 1 case when length > 0 then length end
    Expression length = function.getParameters().get(2);
    List<SearchedWhenClause> clauses = new ArrayList<SearchedWhenClause>(2);
    Boolean isNegative = null;
    if (length instanceof Literal) {
      Literal l = (Literal)length;
      if (!l.isMultiValued()) {
        int value = (Integer)l.getValue();
        isNegative = value < 0;
      }
    }
    Expression maxLength = new Function(
        SourceSystemFunctions.SUBTRACT_OP,
        Arrays.asList(new Function(
                SourceSystemFunctions.LENGTH,
                Arrays.asList(function.getParameters().get(0)),
                TypeFacility.RUNTIME_TYPES.INTEGER),
              new Function(
                SourceSystemFunctions.SUBTRACT_OP,
                Arrays.asList(
                    function.getParameters().get(1),
                    new Literal(1, TypeFacility.RUNTIME_TYPES.INTEGER)),
                  TypeFacility.RUNTIME_TYPES.INTEGER)),
        TypeFacility.RUNTIME_TYPES.INTEGER);
    clauses.add(new SearchedWhenClause(new Comparison(length, maxLength, Operator.GT), maxLength));
    Expression defaultExpr = null;
    if (isNegative == null) {
      clauses.add(new SearchedWhenClause(new Comparison(length, new Literal(0, TypeFacility.RUNTIME_TYPES.INTEGER), Operator.GT), length));
    } else if (isNegative) {
      //TODO: could be done in the rewriter
      function.getParameters().set(2, null);
      return null;
    } else {
View Full Code Here
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
    if (add) {
      function.setName("dateadd"); //$NON-NLS-1$
    } else {
      function.setName("datediff"); //$NON-NLS-1$
    }
    Literal intervalType = (Literal)function.getParameters().get(0);
    String interval = ((String)intervalType.getValue()).toUpperCase();
    String newInterval = INTERVAL_MAP.get(interval);
    if (newInterval != null) {
      intervalType.setValue(newInterval);
      return null;
    }
    if (add) {
      if (interval.equals(NonReserved.SQL_TSI_FRAC_SECOND)) {
        intervalType.setValue("MILLISECOND"); //$NON-NLS-1$
        Expression[] args = new Expression[] {function.getParameters().get(1), factory.createLiteral(1000000, TypeFacility.RUNTIME_TYPES.INTEGER)};
        function.getParameters().set(1, factory.createFunction("/", args, TypeFacility.RUNTIME_TYPES.INTEGER)); //$NON-NLS-1$
      } else if (interval.equals(NonReserved.SQL_TSI_QUARTER)) {
        intervalType.setValue(ExtractFunctionModifier.DAY);
        Expression[] args = new Expression[] {function.getParameters().get(1), factory.createLiteral(91, TypeFacility.RUNTIME_TYPES.INTEGER)};
        function.getParameters().set(1, factory.createFunction("*", args, TypeFacility.RUNTIME_TYPES.INTEGER)); //$NON-NLS-1$
      } else {
        intervalType.setValue(ExtractFunctionModifier.DAY);
        Expression[] args = new Expression[] {function.getParameters().get(1), factory.createLiteral(7, TypeFacility.RUNTIME_TYPES.INTEGER)};
        function.getParameters().set(1, factory.createFunction("*", args, TypeFacility.RUNTIME_TYPES.INTEGER)); //$NON-NLS-1$
      }
      return null;
    }
    if (interval.equals(NonReserved.SQL_TSI_FRAC_SECOND)) {
      intervalType.setValue("MILLISECOND"); //$NON-NLS-1$
      return Arrays.asList(function, " * 1000000"); //$NON-NLS-1$
    } else if (interval.equals(NonReserved.SQL_TSI_QUARTER)) {
      intervalType.setValue(ExtractFunctionModifier.DAY);
      return Arrays.asList(function, " / 91"); //$NON-NLS-1$ 
    }
    intervalType.setValue(ExtractFunctionModifier.DAY);
    return Arrays.asList(function, " / 7"); //$NON-NLS-1$ 
  }
View Full Code Here
43
44
45
46
47
48
49
50
51
52
53
  @Test public void testGetTextFiles() throws Exception {
    FileExecutionFactory fef = new FileExecutionFactory();
    FileConnection fc = Mockito.mock(FileConnection.class);
    Mockito.stub(fc.getFile("*.txt")).toReturn(new File(UnitTestUtil.getTestDataPath(), "*.txt"));
    Call call = fef.getLanguageFactory().createCall("getTextFiles", Arrays.asList(new Argument(Direction.IN, new Literal("*.txt", TypeFacility.RUNTIME_TYPES.STRING), TypeFacility.RUNTIME_TYPES.STRING, null)), null);
    ProcedureExecution pe = fef.createProcedureExecution(call, null, null, fc);
    pe.execute();
    int count = 0;
    while (true) {
      if (pe.next() == null) {
View Full Code Here
TOP

Related Classes of org.teiid.language.Literal

  • org.teiid.connector.visitor.util.TestSQLStringVisitor
  • org.teiid.dqp.internal.datamgr.LanguageBridgeFactory
  • org.teiid.dqp.internal.datamgr.TestLiteralImpl
  • org.teiid.dqp.internal.datamgr.TestSelectSymbolImpl
  • org.teiid.translator.file.TestFileExecutionFactory
  • org.teiid.translator.jdbc.db2.DB2ExecutionFactory
  • org.teiid.translator.jdbc.db2.SubstringFunctionModifier
  • org.teiid.translator.jdbc.hsql.AddDiffModifier
  • org.teiid.translator.jdbc.JDBCBaseExecution
  • org.teiid.translator.jdbc.JDBCUpdateExecution
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.