Examples with OpExpressionNode org.apache.cayenne.access.sqlbuilder.sqltree.OpExpressionNode used on opensource projects

Example 6 with OpExpressionNode

use of org.apache.cayenne.access.sqlbuilder.sqltree.OpExpressionNode in project cayenne by apache.

the class SybaseSQLTreeProcessor method onFunctionNode.

@Override
protected void onFunctionNode(Node parent, FunctionNode child, int index) {
    String functionName = child.getFunctionName();
    Node replacement = null;
    switch(functionName) {
        case "LENGTH":
            replacement = new FunctionNode("LEN", child.getAlias(), true);
            break;
        case "LOCATE":
            replacement = new FunctionNode("CHARINDEX", child.getAlias(), true);
            break;
        case "MOD":
            replacement = new OpExpressionNode("%");
            break;
        case "TRIM":
            Node rtrim = new FunctionNode("RTRIM", null, true);
            replacement = new FunctionNode("LTRIM", child.getAlias(), true);
            for (int i = 0; i < child.getChildrenCount(); i++) {
                rtrim.addChild(child.getChild(i));
            }
            replacement.addChild(rtrim);
            parent.replaceChild(index, replacement);
            return;
        case "CURRENT_DATE":
            replacement = new FunctionNode("{fn CURDATE()}", child.getAlias(), false);
            break;
        case "CURRENT_TIME":
            replacement = new FunctionNode("{fn CURTIME()}", child.getAlias(), false);
            break;
        case "CURRENT_TIMESTAMP":
            replacement = new FunctionNode("CURRENT_TIMESTAMP", child.getAlias(), false);
            break;
        case "YEAR":
        case "MONTH":
        case "WEEK":
        case "DAY_OF_YEAR":
        case "DAY":
        case "DAY_OF_MONTH":
        case "DAY_OF_WEEK":
        case "HOUR":
        case "MINUTE":
        case "SECOND":
            replacement = new FunctionNode("DATEPART", child.getAlias(), true);
            switch(functionName) {
                case "DAY_OF_MONTH":
                    functionName = "DAY";
                    break;
                case "DAY_OF_WEEK":
                    functionName = "WEEKDAY";
                    break;
                case "DAY_OF_YEAR":
                    functionName = "DAYOFYEAR";
                    break;
            }
            replacement.addChild(new TextNode(functionName));
            break;
    }
    if (replacement != null) {
        replaceChild(parent, index, replacement);
    }
}

Example 7 with OpExpressionNode

use of org.apache.cayenne.access.sqlbuilder.sqltree.OpExpressionNode in project cayenne by apache.

the class SQLiteTreeProcessor method onFunctionNode.

@Override
protected void onFunctionNode(Node parent, FunctionNode child, int index) {
    String functionName = child.getFunctionName();
    Node replacement = null;
    switch(functionName) {
        case "LOCATE":
            replacement = new FunctionNode("INSTR", child.getAlias(), true);
            for (int i = 0; i <= 1; i++) {
                replacement.addChild(child.getChild(1 - i));
            }
            parent.replaceChild(index, replacement);
            return;
        case "DAY_OF_YEAR":
            replaceExtractFunction(parent, child, index, "'%j'");
            return;
        case "DAY_OF_WEEK":
            replaceExtractFunction(parent, child, index, "'%w'");
            return;
        case "WEEK":
            replaceExtractFunction(parent, child, index, "'%W'");
            return;
        case "YEAR":
            replaceExtractFunction(parent, child, index, "'%Y'");
            return;
        case "MONTH":
            replaceExtractFunction(parent, child, index, "'%m'");
            return;
        case "DAY":
        case "DAY_OF_MONTH":
            replaceExtractFunction(parent, child, index, "'%d'");
            return;
        case "HOUR":
            replaceExtractFunction(parent, child, index, "'%H'");
            return;
        case "MINUTE":
            replaceExtractFunction(parent, child, index, "'%M'");
            return;
        case "SECOND":
            replaceExtractFunction(parent, child, index, "'%S'");
            return;
        case "SUBSTRING":
            replacement = new FunctionNode("SUBSTR", child.getAlias(), true);
            break;
        case "CONCAT":
            replacement = new OpExpressionNode("||");
            break;
        case "MOD":
            replacement = new OpExpressionNode("%");
            break;
        case "CURRENT_DATE":
        case "CURRENT_TIMESTAMP":
        case "CURRENT_TIME":
            replacement = new FunctionNode(functionName, child.getAlias(), false);
            break;
    }
    if (replacement != null) {
        replaceChild(parent, index, replacement);
    }
}

Example 8 with OpExpressionNode

use of org.apache.cayenne.access.sqlbuilder.sqltree.OpExpressionNode in project cayenne by apache.

the class QualifierTranslationStageTest method perform.

@Test
public void perform() {
    QualifierTranslationStage stage = new QualifierTranslationStage();
    stage.perform(context);
    assertNotNull(context.getQualifierNode());
    // Content of "Qualifier" node:
    // 
    // OpExpression
    // /        \
    // Column     Value
    Node op = context.getQualifierNode();
    assertThat(op, instanceOf(OpExpressionNode.class));
    assertEquals(">=", ((OpExpressionNode) op).getOp());
    assertEquals(2, op.getChildrenCount());
    assertThat(op.getChild(0), instanceOf(ColumnNode.class));
    assertThat(op.getChild(1), instanceOf(ValueNode.class));
    ColumnNode columnNode = (ColumnNode) op.getChild(0);
    ValueNode valueNode = (ValueNode) op.getChild(1);
    assertEquals("path", columnNode.getColumn());
    assertEquals(10, valueNode.getValue());
}