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Java SQLEvalVisitor.EVAL_ERROR属性代码示例

本文整理汇总了Java中com.alibaba.druid.sql.visitor.SQLEvalVisitor.EVAL_ERROR属性的典型用法代码示例。如果您正苦于以下问题：Java SQLEvalVisitor.EVAL_ERROR属性的具体用法？Java SQLEvalVisitor.EVAL_ERROR怎么用？Java SQLEvalVisitor.EVAL_ERROR使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类com.alibaba.druid.sql.visitor.SQLEvalVisitor的用法示例。


在下文中一共展示了SQLEvalVisitor.EVAL_ERROR属性的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 2) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    SQLExpr param1 = x.getParameters().get(1);
    param0.accept(visitor);
    param1.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    Object param1Value = param1.getAttributes().get(EVAL_VALUE);
    if (param0Value == null || param1Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String strValue = param0Value.toString();
    int intValue = SQLEvalVisitorUtils.castToInteger(param1Value);

    int start = strValue.length() - intValue;
    if (start < 0) {
        start = 0;
    }
    String result = strValue.substring(start, strValue.length());
    return result;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:26，代码来源:Right.java

示例2: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 1) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    param0.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    if (param0Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    if (param0Value instanceof Number) {
        long longValue = ((Number) param0Value).longValue();
        String result = Long.toString(longValue, 2);
        return result;
    }
    return SQLEvalVisitor.EVAL_ERROR;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:20，代码来源:Bin.java

示例3: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() <= 1) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    param0.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    int param0IntValue;
    if (!(param0Value instanceof Number)) {
        return SQLEvalVisitor.EVAL_ERROR;
    }
    param0IntValue = ((Number) param0Value).intValue();

    if (param0IntValue >= x.getParameters().size()) {
        return null;
    }

    SQLExpr item = x.getParameters().get(param0IntValue);
    item.accept(visitor);

    Object itemValue = item.getAttributes().get(EVAL_VALUE);
    return itemValue;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:25，代码来源:Elt.java

示例4: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 2) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    SQLExpr param1 = x.getParameters().get(1);
    param0.accept(visitor);
    param1.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    Object param1Value = param1.getAttributes().get(EVAL_VALUE);
    if (param0Value == null || param1Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String strValue0 = param0Value.toString();
    String strValue1 = param1Value.toString();

    int result = strValue0.indexOf(strValue1) + 1;
    return result;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:22，代码来源:Instr.java

示例5: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 1) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    param0.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    if (param0Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String strValue = param0Value.toString();

    String result = strValue.toUpperCase();
    return result;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:18，代码来源:Ucase.java

示例6: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 1) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    param0.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    if (param0Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String strValue = param0Value.toString();

    int result = strValue.length();
    return result;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:18，代码来源:Length.java

示例7: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() == 0) {
        return SQLEvalVisitor.EVAL_ERROR;
    }
    SQLExpr param = x.getParameters().get(0);
    param.accept(visitor);
    
    Object paramValue = param.getAttributes().get(EVAL_VALUE);
    if (paramValue == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }
    
    if (paramValue == EVAL_VALUE_NULL) {
        return EVAL_VALUE_NULL;
    }

    String strValue = paramValue.toString();
    if (strValue.length() == 0) {
        return 0;
    }

    int ascii = strValue.charAt(0);
    return ascii;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:24，代码来源:Ascii.java

示例8: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 1) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    param0.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    if (param0Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String strValue = param0Value.toString();
    String result = strValue.trim();
    return result;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:17，代码来源:Trim.java

示例9: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 1) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    param0.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    if (param0Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String strValue = param0Value.toString();

    StringBuilder buf = new StringBuilder();
    for (int i = strValue.length() - 1; i >= 0; --i) {
        buf.append(strValue.charAt(i));
    }
    String result = buf.toString();
    return result;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:22，代码来源:Reverse.java

示例10: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 1) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    param0.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    if (param0Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String strValue = param0Value.toString();

    String result = strValue.toLowerCase();

    return result;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:19，代码来源:Lcase.java

示例11: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 1) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    param0.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    if (param0Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    if (param0Value instanceof String) {
        return ((String) param0Value).getBytes().length * 8;
    }
    return SQLEvalVisitor.EVAL_ERROR;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:18，代码来源:BitLength.java

示例12: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 1) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    param0.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    if (param0Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String strValue = param0Value.toString();
    
    int index = -1;
    for (int i = 0; i < strValue.length(); ++i) {
        if (!Character.isWhitespace(strValue.charAt(i))) {
            index = i;
            break;
        }
    }
    
    if (index <= 0) {
        return strValue;
    } else {
        return strValue.substring(index);
    }
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:29，代码来源:Ltrim.java

示例13: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 2) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    SQLExpr param1 = x.getParameters().get(1);
    param0.accept(visitor);
    param1.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    Object param1Value = param1.getAttributes().get(EVAL_VALUE);
    if (param0Value == null || param1Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String strValue = param0Value.toString();
    int intValue = SQLEvalVisitorUtils.castToInteger(param1Value);
    
    if (intValue > strValue.length()) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String result = strValue.substring(0, intValue);

    return result;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:27，代码来源:Left.java

示例14: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    List<SQLExpr> params = x.getParameters();
    int paramSize = params.size();
    if (paramSize != 3) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = params.get(0);
    SQLExpr param1 = params.get(1);
    SQLExpr param2 = params.get(2);

    param0.accept(visitor);
    param1.accept(visitor);
    param2.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    Object param1Value = param1.getAttributes().get(EVAL_VALUE);
    Object param2Value = param2.getAttributes().get(EVAL_VALUE);
    if (param0Value == null || param1Value == null || param2Value == null) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String strValue0 = param0Value.toString();
    int len = ((Number) param1Value).intValue();
    String strValue1 = param2Value.toString();
    
    String result = strValue0;
    if (result.length() > len) {
        return result.substring(0, len);
    }
    
    while (result.length() < len) {
        result = strValue1 + result;
    }

    return result;
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:37，代码来源:Lpad.java

示例15: eval

public Object eval(SQLEvalVisitor visitor, SQLMethodInvokeExpr x) {
    if (x.getParameters().size() != 4) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    SQLExpr param0 = x.getParameters().get(0);
    SQLExpr param1 = x.getParameters().get(1);
    SQLExpr param2 = x.getParameters().get(2);
    SQLExpr param3 = x.getParameters().get(3);
    param0.accept(visitor);
    param1.accept(visitor);
    param2.accept(visitor);
    param3.accept(visitor);

    Object param0Value = param0.getAttributes().get(EVAL_VALUE);
    Object param1Value = param1.getAttributes().get(EVAL_VALUE);
    Object param2Value = param2.getAttributes().get(EVAL_VALUE);
    Object param3Value = param3.getAttributes().get(EVAL_VALUE);

    if (!(param0Value instanceof String)) {
        return SQLEvalVisitor.EVAL_ERROR;
    }
    if (!(param1Value instanceof Number)) {
        return SQLEvalVisitor.EVAL_ERROR;
    }
    if (!(param2Value instanceof Number)) {
        return SQLEvalVisitor.EVAL_ERROR;
    }
    if (!(param3Value instanceof String)) {
        return SQLEvalVisitor.EVAL_ERROR;
    }

    String str = (String) param0Value;
    int pos = ((Number) param1Value).intValue();
    int len = ((Number) param2Value).intValue();
    String newstr = (String) param3Value;
    
    if (pos <= 0) {
        return str;
    }
    
    if (pos == 1) {
        if (len > str.length()) {
            return newstr;
        }
        return newstr + str.substring(len);
    }
    
    String first = str.substring(0, pos - 1);
    if (pos + len - 1 > str.length()) {
        return first + newstr;
    }
    
    return first + newstr + str.substring(pos + len - 1);
}
开发者ID:zuonima，项目名称:sql-utils，代码行数:55，代码来源:Insert.java


注：本文中的com.alibaba.druid.sql.visitor.SQLEvalVisitor.EVAL_ERROR属性示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。